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B140E2009.3 Update
GroovingRevolutiony Innovative clamping system
ensures reliable grooving.y Internal tools now available
Grooving System
SeriesGY
1
3Lock
1Lock2Lock
a
a
Innovative Tri Lock System
SERIESGY
2Lock
1Lock
3Lock
1Lock2Lock
3Lock
Original insert design leading the way to new grooving applications !
Convexcontact
face
Grooving Tool
Highly reliable insert clamping
New Tri Lock System for increased stability and performance!
aSafety keys prevent insert movement.aThe convex geometry ensures high precision clamping.
GY series offers ultimate rigidity and accuracy for stability when grooving.Easy to use modular blade system allows flexible tool management but maintains an overall strength comparable to a mono block type holder.
Mitsubishi Materials has developed an original and unique, new modular blade system.*The Tri-Lock system ensures the blade is securely fixed in 3 directions (side, front and top) giving high rigidity for stable grooving performance.
*Mitsubishi Materials study data
2
aa
a
GFGS(CBN)
NEW External holders
GS breaker(Low feeds)
GM breaker(Medium feeds)
GFGS(CBN)
MS breaker(Low feeds)
MM breaker(Medium feeds)
Multifunctional GroovingGrooving
CopyingBM breaker GS breaker
(Low feeds)GM breaker(Medium feeds)
R/L05-GMbreaker(Medium feeds)
Cutting Off
aBreaker system
aSelection of groove widths aDifferent corner radii available
A wide selection of holders and inserts available for diverse applications.
Outstanding compatibility
Modular blade typeMono block typeMono block type Modular blade type
Internal holders
Short StandardShort Standard
A wide range of holders available from the minimum diameter ø25.
A wide selection of inserts
One tool holder can be used with several different blades, offering a flexible modular system and improved tool management.
Sha
peS
hape
3
1Lock2Lock
3Lock
a
a a
GY
0
0.05
0.10
0.15
0.20
500 100010.0
5.0
0.0
-5.0
-10.0
0 2.50
10.0
5.0
0.0
-5.0
-10.0
0 2.50
(mm)
(mm)
(!m)
(!m)
GY
Conventional modular type
Conventional modular type
aMachining comparison
Conventional modular type
Mitsubishi GY
Competitor’sMono block typeD
efle
ctio
n (m
m)
Load (N)
(Tool body for 5mm insert)
Conventional modular type aSurface roughness
TRI-LOCK aSurface roughness
Dimple
Coolant
Direction of workpiece rotation
<Cutting conditions>
Assembly
<Cutting conditions>
SERIESGY
Grooving Tool
The TRI-LOCK system gives excellent performance in comparison with conventional modular type holders.
The front locking gives improved surface finishes even when cross-feed machining.
The TRI-LOCK system offers the best performance even when cross-feed machining.
Unique dimple technology for dampening vibrations. Twin coolant for smoother machining.
In comparison with conventional modular types, vibration and insert movement are eliminated resulting in higher quality surface finishes.
aMachining comparisonIn comparison with conventional modular types, vibration and insert movement are eliminated resulting in higher quality surface finishes.
aRigidity comparisonThe GY series provides rigidity comparable to a mono block type grooving tool.
Workpiece : DIN 42CrMo4Holder size : r25x25mmInsert width : 5mm
Cutting speed : 150m/minFeed : 0.2mm/revGroove depth : 23mm
<Cutting conditions>Workpiece : DIN 41CrMo4Holder size : r25x25mmInsert width : 5mm
Cutting speed : 150m/minFeed : 0.2mm/revDepth of cut : 2mm
Mitsubishi Materials unique dimple configuration* on the head improves vibration resistance.Excellent rigidity and vibration resistance results in reduced vibrations.
*Patent registered.
aTwo directional coolant gives superior chip disposal.
aUtilisation of workpiece rotation helps coolant to flow on to the cutting edge.
Workpiece : DIN 41CrMo4Holder size : &32mmInsert width : 5mmCutting speed : 100m/minFeed : 0.12mm/revCutting dia. : &50mmGroove depth : 7mm
4
3
2
3
P.11^
P.17
P.23
P.23
1
^
^
^
a
a
a
a
90° typeModular blade type(Air/coolant through)
Mono block type(Air/coolant through)
Modular blade type
Modular blade type
90° type
90° type
InsertCutting Mode
External InternalHolder
00º type GS Breaker(Low feed)
GS Breaker(Low feed)
GM Breaker(Medium feed)
GFGS(CBN)
MS Breaker(Low feed)
MM Breaker(Medium feed)
BM Breaker
GM Breaker(Medium feed)
R/L05-GMBreaker(Medium feed)
CLASSIFICATION OF GY SERIESIn
tern
alE
xter
nal
Gro
ovin
gM
ultif
unct
iona
l Gro
ovin
gC
opyi
ngC
uttin
g O
ff
5
Re±0.05
Re±0.05
W3
L2
L2
Re±0.05
Re±0.05
W3
P.11
2
1
2 P.17P.111 3
3 P.23
P.23 P.17
y y
W3CBN
VP10
RT
VP20
RT
MB
8025 arRe L2
GY2M0200D020N-GS 0239E020N-GS 0250E020N-GS 0300F020N-GS 0318F020N-GS 0400G020N-GS 0475H030N-GS 0500H030N-GS 0600J030N-GS 0635J030N-GSGY2M0200D020N-GM 0239E020N-GM 0250E020N-GM 0300F030N-GM 0318F030N-GM 0400G030N-GM 0475H040N-GM 0500H040N-GM 0600J040N-GM 0635J040N-GM
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
2.00
2.39
2.50
3.00
3.18
4.00
4.75
5.00
6.00
6.35
2.00
2.39
2.50
3.00
3.18
4.00
4.75
5.00
6.00
6.35
18.7
18.5
18.5
18.5
18.5
23.9
23.9
24.0
24.1
24.1
19.4
19.4
19.4
19.4
19.4
24.4
24.3
24.3
24.3
24.3
0.2
0.2
0.2
0.2
0.2
0.2
0.3
0.3
0.3
0.3
0.2
0.2
0.2
0.3
0.3
0.3
0.4
0.4
0.4
0.4
±0.03
±0.03
±0.03
±0.03
±0.03
±0.04
±0.04
±0.04
±0.04
±0.04
±0.03
±0.03
±0.03
±0.03
±0.03
±0.04
±0.04
±0.04
±0.04
±0.04
DEEFFGHHJJDEEFFGHHJJ
20.70
20.70
20.70
20.70
20.70
25.65
25.65
25.65
25.65
25.65
20.70
20.70
20.70
20.70
20.70
25.65
25.65
25.65
25.65
25.65
NEW
GROOVING (EXTERNAL / INTERNAL)
HOW TO SELECT GY SERIESSTEP1 SELECT AN APPLICATION
Select the application and the direction of the workpiece rotation.
Select an insert suitable for the application, then select the corresponding seat size.* Seat size refers to the seat width of the modular blade.
STEP2 SELECT AN INSERT
Grooving / Cutting off / Copying
Grooving / Cutting off / CopyingGrooving / Cutting off / Copying Grooving / Cutting off / Copying
Normal use Reverse holder useClockwise
00° type
90º left hand typeGrooving / Copying90º right hand type
Grooving / Copying90º right hand type
00° type 90º left hand type
GroovingWidth
SeatSize
ToleranceOrder Number
Stock Dimensions (mm)
Inserts
Geometry
GM Breaker(Medium feed)
GS Breaker(Low feed)
Coated
ar (Max.)
ar (Max.)
(Max.)
App
licat
ions
For G
roov
ing
/ Cut
ting
off
1
1
L
L
R
L
RR
R
L
6
H2
H1
L2
øD1
F1H
2W
3 B
H1
L1
ar
L2
øD1
1 P.11 12
2
3
3 P.23
P.17
P.17
P.11 P.23
y y
GY2Mooooooooo-BM
GY2MoooooR/Loo-GMGY2Mooooooooo-GMGY2Mooooooooo-GS
GYM20RA-D06GYM20RA-D10GYM20RB-D18GYM20RA-D06GYM20RA-D10GYM20RB-D18GYM25RA-D06GYM25RA-D12GYM25RA-D20GYM25RA-D06GYM25RA-D12GYM25RA-D20GYM20LA-D06GYM20LA-D10GYM20LB-D18GYM20LA-D06GYM20LA-D10
61018
61018
61220
61220
61018
610
2.00D
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
R
*4
*4
*1
*1
*4
1220361220361224401224401220361220
*2
*2
ar D1
GYHR1616J00-M20R
GYHR2020K00-M20R
GYHR2020K00-M25R
GYHR2525M00-M25R
GYHL1616J00-M20L
GYHL2020K00-M20L
(1C1R3D1)(1C1R3D2)(1C1R3D3)(1E1R3D1)(1E1R3D2)(1E1R3D3)(1E1R4D1)(1E1R4D2)(1E1R4D3)(1G1R4D1)(1G1R4D2)(1G1R4D3)(1C1L3D1)(1C1L3D2)(1C1L3D3)(1E1L3D1)(1E1L3D2)
W3 (R/L)
Proceed to the tool holder page in STEP1, then go to the column of the seat size selected in STEP 2.Select the hand of the tool holder. Select the maximum groove depth.
Select the modular blade corresponding to 4.
Grooving / Cutting off / Copying Grooving / Cutting off / Copying
Select an external modular holder suitable for the machine used or an internal modular holder suitable for the machining depth.
Grooving / Cutting off / Copying
Grooving / Cutting off / Copying
Normal use Reverse holder useCounter Clockwise
00° type 90º right hand typeGrooving / Copying90º left hand type
Grooving / Copying90º left hand type
00° type
90º right hand type
STEP3 SELECT A MODULAR HOLDER & BLADE
Insert
InsertInsertInsert
Right hand tool holder shown.
Fig. 1 Fig. 2
SeatSize
StockStock
Hand
Modular HolderModular Blade
InsertWidth
Max.Groove Depth
Max.Cut Off Diameter
Order NumberID
(mm) (mm) (mm)
1
2 45
3
L
L LL
R
R
R
R
1 2 4 5 3
7
GMB
GSRN
L
*05 5º
SM
F
G
z x nc v b
y
y
RL
1012
0806
z x c v
0300
M
12
02500300
0200
0475
0600
0400
GY 2 M
2025
1814
0239
0318
0500
0635
040080
020
200
250
159
030
150
238
300318
*2
F
G
E
D
J
H
F
G
E
D
J
H
*1
*3
*1
030n m ,
Fb
NR
.
m . /
GSGG
05 MF
GY M25 12R A F
2.39mm
3.18mm
4.75mm
2.00mm
2.50mm3.00mm
6.35mm
4.00mm
5.00mm6.00mm
0.30mm
1.50mm
2.00mm
0.20mm
0.40mm0.80mm
3.00mm
1.59mm
2.38mm2.50mm
3.18mm
2.00mm2.39mm2.50mm3.00mm3.18mm
4.75mm5.00mm6.00mm6.35mm
4.00mm
6mm8mm
10mm12mm14mm18mm20mm25mm
2.00mm2.39mm2.50mm3.00mm3.18mm
4.75mm5.00mm6.00mm6.35mm
4.00mm
General Purpose
.Application 1Grooving/Cutting off
Multifunctional
mHandNeutralRightLeft
Copying (Ball nose)
,Lead angle (R/L type insert)
* Only for CBN inserts.
* Only for CBN inserts.
/Application 2Low feeds
Medium feeds
Ground
Modular blade
zSeries Description vModular Blade Type nMax. Groove DepthxModular Blade SizeStandard Type
cHandRightLeft
A
Insert
zSeries Description
cPeripheral
Sintered
xNumber of Teeth1 Edge Type2 Edge Type
vGroove Width
IDENTIFICATION
Reinforced TypeB
bSeat Size
nCorner RadiusbSeat Size
*1 Select a seat size with the same symbol as that of insert.
*2 The maximum groove depth is a value when used for external grooving and changes according to the insert used. For internal grooving, refer to the maximum groove depth on pages 23-27.
*3 GYM20R/LA-o10, GYM20R/LA-o12, GYM25R/LA-o12 and GYM25R/LA-o14 can be used for both external and internal grooving.
*1 Select a seat size with the same symbol as that of modular blade and mono block holder.
GROOVING (EXTERNAL / INTERNAL)
Flat Top
Application 3
Honing Type
M20M25
8
161620202525
y
RL
RL
0090
vxz
GY Hc
Rb
Mm
M252525n ,
R00
0°90°
MKJ
A
2025
y
RL
90
vx mz
GY A Ac
Rb
K20
90°
AB
RQK
324050
y
RL
RL
vxz
GY Dc
Lb
M40
PST
ML
0607
,
Fn
90.
06
,
M25n .
L90m
D
90 90°
CDF
G
H
D
E
F
D
16mmx16mm20mmx20mm25mmx25mm
110mm125mm150mm
20mm25mm
40mm
125mm180mm200mm
32mm40mm50mm
140mm150mm170mm250mm300mm
30mm
60mm80mm
50mm
2.00mm2.39mm2.50mm3.00mm3.18mm
4.00mm4.75mm5.00mm
M20M25
Modular Holder (External)
,Hand of Modular BladeRightLeft
zSeries Description
xExternal Holder mModular Blade Size
vModular Holder SizecHand of HolderRightLeft
nAngle (degree)bHolder Length
Mono Block Holder (Internal)
Modular Holder (Internal)
zSeries Description
xHold TypeMono block type
vShank SizecHand of HolderRightLeft
nAngle (degree)bHolder Length
mNeck Length
.Max. Grooving Depth
,Hand of Modular BladeRightLeft
zSeries Description
mModular Blade Size
vShank SizecHand of HolderRightLeft
bHolder Length nAngle (degree)
mNeck Length
,Seat Size
xHold TypeModular blade type
7mm6mm
9
W3CBN
VP10
RT
VP20
RT
MB
8025 arRe L2
GY2M0200D020N-GS 0239E020N-GS 0250E020N-GS 0300F020N-GS 0318F020N-GS 0400G020N-GS 0475H030N-GS 0500H030N-GS 0600J030N-GS 0635J030N-GSGY2M0200D020N-GM 0239E020N-GM 0250E020N-GM 0300F030N-GM 0318F030N-GM 0400G030N-GM 0475H040N-GM 0500H040N-GM 0600J040N-GM 0635J040N-GMGY2M0200D020R05-GM 0200D020L05-GM 0250E020R05-GM 0250E020L05-GM 0300F030R05-GM 0300F030L05-GM 0400G030R05-GM 0400G030L05-GM 0500H040R05-GM 0500H040L05-GM
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
2.00
2.39
2.50
3.00
3.18
4.00
4.75
5.00
6.00
6.35
2.00
2.39
2.50
3.00
3.18
4.00
4.75
5.00
6.00
6.35
2.00
2.00
2.50
2.50
3.00
3.00
4.00
4.00
5.00
5.00
18.7
18.5
18.5
18.5
18.5
23.9
23.9
24.0
24.1
24.1
19.4
19.4
19.4
19.4
19.4
24.4
24.3
24.3
24.3
24.3
19.5
19.5
19.5
19.5
19.5
19.5
24.5
24.5
24.5
24.5
0.2
0.2
0.2
0.2
0.2
0.2
0.3
0.3
0.3
0.3
0.2
0.2
0.2
0.3
0.3
0.3
0.4
0.4
0.4
0.4
0.2
0.2
0.2
0.2
0.3
0.3
0.3
0.3
0.4
0.4
±0.03
±0.03
±0.03
±0.03
±0.03
±0.04
±0.04
±0.04
±0.04
±0.04
±0.03
±0.03
±0.03
±0.03
±0.03
±0.04
±0.04
±0.04
±0.04
±0.04
±0.03
±0.03
±0.03
±0.03
±0.03
±0.03
±0.04
±0.04
±0.04
±0.04
DEEFFGHHJJDEEFFGHHJJDDEEFFGGHH
20.70
20.70
20.70
20.70
20.70
25.65
25.65
25.65
25.65
25.65
20.70
20.70
20.70
20.70
20.70
25.65
25.65
25.65
25.65
25.65
20.80
20.80
20.825
20.825
20.85
20.85
25.85
25.85
25.95
25.95
NEW
Re±0.05
Re±0.05
W3
L2
L2
Re±0.05
Re±0.05
W3
L2
5°
Re±0.05
W3
GROOVING (EXTERNAL / INTERNAL)
GroovingWidth
SeatSize
ToleranceOrder Number
Stock Dimensions (mm)
Inserts
Geometry
R/L05-GM Breaker
GM Breaker(Medium feeds)
GS Breaker(Low feeds)
Right hand insert shown.
Coated
CLASSIFICATION OF GY INSERTS
ar (Max.)
ar (Max.)
ar (Max.)
(Max.)
App
licat
ions
For G
roov
ing
/ Cut
ting
off
For C
uttin
g of
f
a : Inventory maintained. (10 inserts in one case)(CBN:1 insert in one case)
10
W3CBN
VP10
RT
VP20
RT
MB
8025 arRe L2
GY2M0300F020N-MS 0300F040N-MS 0400G020N-MS 0400G040N-MS 0500H040N-MS 0500H080N-MS 0600J040N-MS 0600J080N-MSGY2M0300F020N-MM 0300F040N-MM 0400G040N-MM 0400G080N-MM 0500H040N-MM 0500H080N-MM 0600J040N-MM 0600J080N-MMGY2M0300F150N-BM 0318F159N-BM 0400G200N-BM 0475H238N-BM 0500H250N-BM 0600J300N-BM 0635J318N-BMGY1G0200D020N-GFGS 0239E020N-GFGS 0250E020N-GFGS 0300F020N-GFGS 0318F020N-GFGS 0400G020N-GFGS 0475H020N-GFGS 0500H020N-GFGS
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
3.00
3.00
4.00
4.00
5.00
5.00
6.00
6.00
3.00
3.00
4.00
4.00
5.00
5.00
6.00
6.00
3.00
3.18
4.00
4.75
5.00
6.00
6.35
2.00
2.39
2.50
3.00
3.18
4.00
4.75
5.00
19.2
18.9
24.2
23.9
23.9
23.5
23.9
23.5
19.1
18.9
23.9
23.5
23.9
23.5
23.9
23.5
19.0
18.9
23.4
22.9
22.8
22.5
22.3────────
0.2
0.4
0.2
0.4
0.4
0.8
0.4
0.8
0.2
0.4
0.4
0.8
0.4
0.8
0.4
0.8
1.50
1.59
2.00
2.38
2.50
3.00
3.18
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
±0.03
±0.03
±0.04
±0.04
±0.04
±0.04
±0.04
±0.04
±0.03
±0.03
±0.04
±0.04
±0.04
±0.04
±0.04
±0.04
±0.03
±0.03
±0.04
±0.04
±0.04
±0.04
±0.04
±0.03
±0.03
±0.03
±0.03
±0.03
±0.03
±0.03
±0.03
FFGGHHJJFFGGHHJJFFGHHJJDEEFFGHH
20.70
20.70
25.65
25.65
25.65
25.65
25.65
25.65
20.70
20.70
25.65
25.65
25.65
25.65
25.65
25.65
20.90
20.90
25.80
25.80
25.80
25.90
25.90
20.70
20.70
20.70
20.70
20.70
25.65
25.65
25.65
L2
Re±0.05
Re±0.05
W3
L2
Re±0.05
Re±0.05
W3
L2
Re±0.05
W3
L2
Re±0.05
Re±0.05
7°
W3
3.0
7° 7°
MS Breaker(Low feeds)
MM Breaker(Medium feeds)
BM Breaker
Flat Top (CBN)
GroovingWidth
SeatSize
ToleranceOrder Number
Stock Dimensions (mm)
GeometryCoated
ar (Max.)
ar (Max.)
ar (Max.)
(Max.)
App
licat
ions
For C
opyi
ngFo
r Gro
ovin
gFo
r Mul
tifun
ctio
nal G
roov
ing
11
H2
H1
L2
øD1
F1H
2W
3 B
H1
L1
ar
L2
øD1
GY2Mooooooooo-GS1
GY2Mooooooooo-MMGY2Mooooooooo-MS
GY2Mooooooooo-BM
GY2Mooooooooo-GM
GY2MoooooR/Loo-GM
GY1Gooooooooo- GFGS
GY2Mooooooooo-GMGY2Mooooooooo-GS
GYM20RA-D06GYM20RA-D10GYM20RB-D18GYM20RA-D06GYM20RA-D10GYM20RB-D18GYM25RA-D06GYM25RA-D12GYM25RA-D20GYM25RA-D06GYM25RA-D12GYM25RA-D20GYM20LA-D06GYM20LA-D10GYM20LB-D18GYM20LA-D06GYM20LA-D10GYM20LB-D18GYM25LA-D06GYM25LA-D12GYM25LA-D20GYM25LA-D06GYM25LA-D12GYM25LA-D20
61018
61018
61220
61220
61018
61018
61220
61220
2.00
2.392.50
D
E
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
R
*4
*4
*1
*1
*4
*4
*1
*1
*4
*4
*1
*1
*4
*4
*1
*1
122036122036122440122440122036122036122440122440
*2
*2
*2
*2
*2
*2
*2
*2
GYM20RA-E06GYM20RA-E10GYM20RB-E18GYM20RA-E06GYM20RA-E10GYM20RB-E18GYM25RA-E06GYM25RA-E12GYM25RA-E20GYM25RA-E06GYM25RA-E12GYM25RA-E20GYM20LA-E06GYM20LA-E10GYM20LB-E18GYM20LA-E06GYM20LA-E10GYM20LB-E18GYM25LA-E06GYM25LA-E12GYM25LA-E20GYM25LA-E06GYM25LA-E12GYM25LA-E20
61018
61018
61220
61220
61018
61018
61220
61220
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
122036122036122440122440122036122036122440122440
GYHR1616J00-M20R
GYHR2020K00-M20R
GYHR2020K00-M25R
GYHR2525M00-M25R
GYHL1616J00-M20L
GYHL2020K00-M20L
GYHL2020K00-M25L
GYHL2525M00-M25L
(1C1R3E1)(1C1R3E2)(1C1R3E3)(1E1R3E1)(1E1R3E2)(1E1R3E3)(1E1R4E1)(1E1R4E2)(1E1R4E3)(1G1R4E1)(1G1R4E2)(1G1R4E3)(1C1L3E1)(1C1L3E2)(1C1L3E3)(1E1L3E1)(1E1L3E2)(1E1L3E3)(1E1L4E1)(1E1L4E2)(1E1L4E3)(1G1L4E1)(1G1L4E2)(1G1L4E3)
ar(mm) (mm) (mm)
D1
GYHR1616J00-M20R
GYHR2020K00-M20R
GYHR2020K00-M25R
GYHR2525M00-M25R
GYHL1616J00-M20L
GYHL2020K00-M20L
GYHL2020K00-M25L
GYHL2525M00-M25L
(1C1R3D1)(1C1R3D2)(1C1R3D3)(1E1R3D1)(1E1R3D2)(1E1R3D3)(1E1R4D1)(1E1R4D2)(1E1R4D3)(1G1R4D1)(1G1R4D2)(1G1R4D3)(1C1L3D1)(1C1L3D2)(1C1L3D3)(1E1L3D1)(1E1L3D2)(1E1L3D3)(1E1L4D1)(1E1L4D2)(1E1L4D3)(1G1L4D1)(1G1L4D2)(1G1L4D3)
L
R
L
W3 (R/L) ID
GY SERIES (EXTERNAL)
Insert
00° type holderInsertInsert
Insert
Insert
Insert
Insert
InsertInsert
Right hand tool holder shown.
*1 The maximum groove depth changes according to the insert used. Please refer to the maximum groove depth of inserts on pages 9 and 10.
*2 The maximum cut off diameter D1 changes according to the insert used. The cut off diameter is double the maximum groove depth (ar) of inserts on pages 9 and 10.
*3 Dimensions shown are when the gauge insert is used. If other insert geometries are used then L1, L2 and F1 values may vary.
*4 The maximum groove depth is limited by the workpiece diameter. For details, please refer to page 22.
Fig. 1 Fig. 2
SeatSize
StockStock
Hand
Modular HolderModular Blade
InsertWidth
Max.Groove Depth
Max.Cut Off Diameter Order Number
EXTERNAL GROOVING
a : Inventory maintained.
Note 1) For modular blades and modular holders, please order separately.Note 2) Please use right hand modular blade for right hand modular holder and
left hand modular blade for left hand modular holder.
12
F1 W3 B
L1
ar
øD1
H1
H2
H1
L2
S3
øD1
S3
H2
L2
GYHR/L1616J00-M20R/L
GYHR/L2020K00-M20R/L
GYHR/L2020K00-M25R/L
GYHR/L2525M00-M25R/LTKY30RTKY25R
TKY30RTKY15R
H1 B L1 L2 H2 F1
P.9P.10
P.9P.10
161616202020202020252525161616202020202020252525
161616202020202020252525161616202020202020252525
104110116119125131117125131142150156104110116119125131117125131142150156
283440283440313945313945283440283440313945313945
161616202020202020252525161616202020202020252525
S3
444───555───444───555───
202020232323262626282828202020232323262626282828
334112334112334112334112
GY2M0200D020N-GS
GY2M0200D020N-GM
GY2M0200D020R/L05-GM
GY1G0200D020N-GFGS
161616202020202020252525161616202020202020252525
161616202020202020252525161616202020202020252525
104110116119125131117125131142150156104110116119125131117125131142150156
283440283440313945313945283440283440313945313945
161616202020202020252525161616202020202020252525
202020232323262626282828202020232323262626282828
444───555───444───555───
334112334112334112334112
*3
GY2M0239E020N-GSGY2M0250E020N-GS
GY2M0239E020N-GMGY2M0250E020N-GM
GY2M0250E020R/L05-GM
GY1G0239E020N-GFGSGY1G0250E020N-GFGS
GY06013M
TS55
TS407
SPARE PARTS
Modular Holder Number
Clamp Screw Wrench
Fig.Insert
Geometry / Insert Number
Dimensions (mm)
(Gauge insert)
(Gauge insert)
(5 pcs.)
Right hand tool holder shown.
Fig. 3 Fig. 4
Page
Blade Screw
(Clamp Torque: 5.0N·m)
(Clamp Torque: 3.5N·m)
(Clamp Torque: 6.0N·m)
13
H2
H1
L2
øD1
F1H
2W
3 B
H1
L1
ar
L2
øD1
GY2Mooooooooo-MMGY2Mooooooooo-MS
GY2Mooooooooo-BM
GY2Mooooooooo-GMGY2Mooooooooo-GS
GY2MoooooR/Loo-GM
GY1Gooooooooo- GFGS
GY2Mooooooooo-GMGY2Mooooooooo-GS
GYM20RA-F06GYM20RA-F10GYM20RB-F18GYM20RA-F06GYM20RA-F10GYM20RB-F18GYM25RA-F06GYM25RA-F12GYM25RA-F20GYM25RA-F06GYM25RA-F12GYM25RA-F20GYM20LA-F06GYM20LA-F10GYM20LB-F18GYM20LA-F06GYM20LA-F10GYM20LB-F18GYM25LA-F06GYM25LA-F12GYM25LA-F20GYM25LA-F06GYM25LA-F12GYM25LA-F20
61018
61018
61220
61220
61018
61018
61220
61220
4.00
F
G
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
R
*4
*4
*1
*1
*4
*4
*1
*1
*1
*1
*1
*1
122036122036122440122440122036122036122440122440
*2
*2
*2
*2
*2
*2
*2
*2
GYM20RA-G12
GYM20RA-G12GYM25RA-G08GYM25RA-G14GYM25RA-G25GYM25RA-G08GYM25RA-G14GYM25RA-G25GYM20LA-G12
GYM20LA-G12GYM25LA-G08GYM25LA-G14GYM25LA-G25GYM25LA-G08GYM25LA-G14GYM25LA-G25
12
12
81425
81425
12
12
81425
81425
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
24
24
162850162850
24
24
162850162850
3.003.18
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
(1C1R3F1)(1C1R3F2)(1C1R3F3)(1E1R3F1)(1E1R3F2)(1E1R3F3)(1E1R4F1)(1E1R4F2)(1E1R4F3)(1G1R4F1)(1G1R4F2)(1G1R4F3)(1C1L3F1)(1C1L3F2)(1C1L3F3)(1E1L3F1)(1E1L3F2)(1E1L3F3)(1E1L4F1)(1E1L4F2)(1E1L4F3)(1G1L4F1)(1G1L4F2)(1G1L4F3)
(1C1R3G1)
(1E1R3G1)
(1E1R4G1)(1E1R4G2)(1E1R4G3)(1G1R4G1)(1G1R4G2)(1G1R4G3)
(1C1L3G1)
(1E1L3G1)
(1E1L4G1)(1E1L4G2)(1E1L4G3)(1G1L4G1)(1G1L4G2)(1G1L4G3)
L
R
L
GYHR1616J00-M20R
GYHR2020K00-M20R
GYHR2020K00-M25R
GYHR2525M00-M25R
GYHL1616J00-M20L
GYHL2020K00-M20L
GYHL2020K00-M25L
GYHL2525M00-M25L
GYHR1616J00-M20R
GYHR2020K00-M20R
GYHR2020K00-M25R
GYHR2525M00-M25R
GYHL1616J00-M20L
GYHL2020K00-M20L
GYHL2020K00-M25L
GYHL2525M00-M25L
1
ar D1W3 (R/L)(mm) (mm) (mm)
ID
InsertInsert
Insert
InsertInsert
Insert
Insert
InsertInsert
Right hand tool holder shown.
*1 The maximum groove depth changes according to the insert used. Please refer to the maximum groove depth of inserts on pages 9 and 10.
*2 The maximum cut off diameter D1 changes according to the insert used. The cut off diameter is double the maximum groove depth (ar) of inserts on pages 9 and 10.
*3 Dimensions shown are when the gauge insert is used. If other insert geometries are used then L1, L2 and F1 values may vary.
*4 The maximum groove depth is limited by the workpiece diameter. For details, please refer to page 22.
Fig. 1 Fig. 2
00° type holder
SeatSize
StockStock
Hand
Modular HolderModular Blade
InsertWidth
Max.Groove Depth
Max.Cut Off Diameter Order Number
GY SERIES (EXTERNAL)
EXTERNAL GROOVING
a : Inventory maintained.
Note 1) For modular blades and modular holders, please order separately.Note 2) Please use right hand modular blade for right hand modular holder and
left hand modular blade for left hand modular holder.
14
F1 W3 B
L1
ar
øD1
H1
H2
H1
L2
S3
øD1
S3
H2
L2
GYHR/L1616J00-M20R/L
GYHR/L2020K00-M20R/L
GYHR/L2020K00-M25R/L
GYHR/L2525M00-M25R/L
P.9P.10
P.9P.10
161616202020202020252525161616202020202020252525
161616202020202020252525161616202020202020252525
104110116119125131117125131142150156104110116119125131117125131142150156
283440283440313945313945283440283440313945313945
161616202020202020252525161616202020202020252525
202020232323262626282828202020232323262626282828
334112334112334112334112
GY2M0300F020N-GSGY2M0318F020N-GS
GY2M0300F030N-GM
GY2M0318F030N-GM
GY2M0300F030R/L05-GM
GY2M0300F020N-MSGY2M0300F040N-MS
GY2M0300F020N-MMGY2M0300F040N-MM
GY2M0300F150N-BMGY2M0318F159N-BM
GY1G0300F020N-GFGSGY1G0318F020N-GFGS
GY2M0400G020N-GS
GY2M0400G030N-GM
GY2M0400G030R/L05-GM
GY2M0400G020N-MSGY2M0400G040N-MS
GY2M0400G040N-MMGY2M0400G080N-MM
GY2M0400G200N-BM
GY1G0400G020N-GFGS
16
20
202020252525
16
20
202020252525
16
20
202020252525
16
20
202020252525
110
125
119125136144150161
110
125
119125136144150161
34
34
333950333950
34
34
333950333950
16
20
202020252525
16
20
202020252525
20
23
262626282828
20
23
262626282828
444───555───444───555───
4
─
555───
4
─
555───
3
1
334112
3
1
334112
H1 B L1 L2 H2 F1 S3
*3
TS55
TS407
GY06013M
TKY30RTKY25R
TKY30RTKY15R
SPARE PARTS
Modular Holder Number
Clamp Screw Wrench(5 pcs.)
Blade Screw
(Gauge insert)
(Gauge insert)
Right hand tool holder shown.
Fig. 3 Fig. 4
Fig.Insert
Geometry / Insert Number
Dimensions (mm)
Page
(Clamp Torque: 5.0N·m)
(Clamp Torque: 3.5N·m)
(Clamp Torque: 6.0N·m)
15
H2
H1
L2
øD1
F1H
2W
3 B
H1
L1
ar
L2
øD1
GY2Mooooooooo-MMGY2Mooooooooo-MS
GY2Mooooooooo-BM
GY2Mooooooooo-GMGY2Mooooooooo-GS
GY2MoooooR/Loo-GM
GY1Gooooooooo- GFGS
GY2Mooooooooo-GMGY2Mooooooooo-GS
GYM20RA-H12
GYM20RA-H12GYM25RA-H08GYM25RA-H14GYM25RA-H25GYM25RA-H08GYM25RA-H14GYM25RA-H25GYM20LA-H12
GYM20LA-H12GYM25LA-H08GYM25LA-H14GYM25LA-H25GYM25LA-H08GYM25LA-H14GYM25LA-H25
12
12
81425
81425
12
12
81425
81425
4.755.00
6.006.35
H
J
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
R
R
*1
*1
*1
*1
*1
*1
*1
*1
24
24
162850162850
24
24
162850162850
*2
*2
*2
*2
*2
*2
*2
*2
GYM25RA-J08GYM25RA-J14GYM25RA-J25GYM25RA-J08GYM25RA-J14GYM25RA-J25GYM25LA-J08GYM25LA-J14GYM25LA-J25GYM25LA-J08GYM25LA-J14GYM25LA-J25
81425
81425
81425
81425
162850162850162850162850
(1C1R3H1)
(1E1R3H1)
(1E1R4H1)(1E1R4H2)(1E1R4H3)(1G1R4H1)(1G1R4H2)(1G1R4H3)
(1C1L3H1)
(1E1L3H1)
(1E1L4H1)(1E1L4H2)(1E1L4H3)(1G1L4H1)(1G1L4H2)(1G1L4H3)(1E1R4J1)(1E1R4J2)(1E1R4J3)(1G1R4J1)(1G1R4J2)(1G1R4J3)(1E1L4J1)(1E1L4J2)(1E1L4J3)(1G1L4J1)(1G1L4J2)(1G1L4J3)
L
L
GYHR2020K00-M25R
GYHR2525M00-M25R
GYHL2020K00-M25L
GYHL2525M00-M25L
GYHR1616J00-M20R
GYHR2020K00-M20R
GYHR2020K00-M25R
GYHR2525M00-M25R
GYHL1616J00-M20L
GYHL2020K00-M20L
GYHL2020K00-M25L
GYHL2525M00-M25L
1
ar D1W3 (R/L) ID(mm) (mm) (mm)
InsertInsert
Insert
InsertInsert
Insert
Insert
InsertInsert
Right hand tool holder shown.
*1 The maximum groove depth changes according to the insert used. Please refer to the maximum groove depth of inserts on pages 9 and 10.
*2 The maximum cut off diameter D1 changes according to the insert used. The cut off diameter is double the maximum groove depth (ar) of inserts on pages 9 and 10.
*3 Dimensions shown are when the gauge insert is used. If other insert geometries are used then L1, L2 and F1 values may vary.
Fig. 1 Fig. 2
00° type holder
SeatSize
StockStock
Hand
Modular HolderModular Blade
InsertWidth
Max.Groove Depth
Max.Cut Off Diameter Order Number
GY SERIES (EXTERNAL)
EXTERNAL GROOVING
a : Inventory maintained.
Note 1) For modular blades and modular holders, please order separately.Note 2) Please use right hand modular blade for right hand modular holder and
left hand modular blade for left hand modular holder.
16
F1 W3 B
L1
ar
øD1
H1
H2
H1
L2
S3
øD1
S3
H2
L2
GYHR/L1616J00-M20R/L
GYHR/L2020K00-M20R/L
GYHR/L2020K00-M25R/L
GYHR/L2525M00-M25R/L
P.9P.10
P.9P.10
16
20
202020252525
16
20
202020252525
16
20
202020252525
16
20
202020252525
110
125
119125136144150161
110
125
119125136144150161
34
34
333950333950
34
34
333950333950
16
20
202020252525
16
20
202020252525
20
23
262626282828
20
23
262626282828
3
1
334112
3
1
334112
202020252525202020252525
202020252525202020252525
119125136144150161119125136144150161
333950333950333950333950
202020252525202020252525
262626282828262626282828
4
─
555───
4
─
555───555───555───
334112334112
GY2M0600J030N-GSGY2M0635J030N-GS
GY2M0600J040N-GMGY2M0635J040N-GM
GY2M0600J040N-MSGY2M0600J080N-MS
GY2M0600J040N-MMGY2M0600J080N-MM
GY2M0600J300N-BMGY2M0635J318N-BM
GY2M0475H030N-GSGY2M0500H030N-GS
GY2M0475H040N-GMGY2M0500H040N-GM
GY2M0500H040R/L05-GMGY2M0500H040N-MSGY2M0500H080N-MSGY2M0500H040N-MMGY2M0500H080N-MMGY2M0475H238N-BMGY2M0500H250N-BMGY1G0475H020N-GFGSGY1G0500H020N-GFGS
H1 B L1 L2 H2 F1 S3
*3
TS55
TS407
GY06013M
TKY30RTKY25R
TKY30RTKY15R
SPARE PARTS
Modular Holder Number
Right hand tool holder shown.
Fig. 3 Fig. 4
(Gauge insert)
(Gauge insert)
Fig.Insert
Geometry / Insert Number
Dimensions (mm)
Page
Clamp Screw Wrench(5 pcs.)
Blade Screw
(Clamp Torque: 5.0N·m)
(Clamp Torque: 3.5N·m)
(Clamp Torque: 6.0N·m)
17
B
ar
F 1
H1
L1L2
W3
H2øD1
H2øD1
2GY2Mooooooooo-MMGY2Mooooooooo-MS
GY2Mooooooooo-BM
GY2Mooooooooo-GMGY2Mooooooooo-GS
GY2MoooooR/Loo-GM
GY1Gooooooooo- GFGS
GY2Mooooooooo-GMGY2Mooooooooo-GS
GYHR2020K90-M20L
GYHR2525M90-M25L
GYHL2020K90-M20R
GYHL2525M90-M25R
GYHR2020K90-M20L
GYHR2525M90-M25L
GYHL2020K90-M20R
GYHL2525M90-M25R
GYHR2020K90-M20L
GYHR2525M90-M25L
GYHL2020K90-M20R
GYHL2525M90-M25R
GYHR2020K90-M20L
GYHR2525M90-M25L
GYHL2020K90-M20R
GYHL2525M90-M25R
GYM20LA-D06GYM20LA-D10GYM20LB-D18GYM25LA-D06GYM25LA-D12GYM25LA-D20GYM20RA-D06GYM20RA-D10GYM20RB-D18GYM25RA-D06GYM25RA-D12GYM25RA-D20
61018
61220
61018
61220
2.00
4.00
D
2.392.50
E
3.003.18
F
G
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
R
122036122440122036122440
GYM20LA-E06GYM20LA-E10GYM20LB-E18GYM25LA-E06GYM25LA-E12GYM25LA-E20GYM20RA-E06GYM20RA-E10GYM20RB-E18GYM25RA-E06GYM25RA-E12GYM25RA-E20
61018
61220
61018
61220
122036122440122036122440
GYM20LA-F06GYM20LA-F10GYM20LB-F18GYM25LA-F06GYM25LA-F12GYM25LA-F20GYM20RA-F06GYM20RA-F10GYM20RB-F18GYM25RA-F06GYM25RA-F12GYM25RA-F20
61018
61220
61018
61220
122036122440122036122440
GYM20LA-G12GYM25LA-G08GYM25LA-G14GYM25LA-G25GYM20RA-G12GYM25RA-G08GYM25RA-G14GYM25RA-G25
12
81425
12
81425
24
162850
24
162850
(2E1R3D1)(2E1R3D2)(2E1R3D3)(2G1R4D1)(2G1R4D2)(2G1R4D3)(2E1L3D1)(2E1L3D2)(2E1L3D3)(2G1L4D1)(2G1L4D2)(2G1L4D3)
*4
*1
*4
*1
*2
*2(2E1R3E1)(2E1R3E2)(2E1R3E3)(2G1R4E1)(2G1R4E2)(2G1R4E3)(2E1L3E1)(2E1L3E2)(2E1L3E3)(2G1L4E1)(2G1L4E2)(2G1L4E3)(2E1R3F1)(2E1R3F2)(2E1R3F3)(2G1R4F1)(2G1R4F2)(2G1R4F3)(2E1L3F1)(2E1L3F2)(2E1L3F3)(2G1L4F1)(2G1L4F2)(2G1L4F3)
(2E1R3G1)
(2G1R4G1)(2G1R4G2)(2G1R4G3)
(2E1L3G1)
(2G1L4G1)(2G1L4G2)(2G1L4G3)
L
R
L
R
L
R
L
*4
*1
*4
*1
*4
*1
*4
*1
*1
*1
*2
*2
*2
*2
*2
*2
ar D1W3 (R/L) ID(mm) (mm) (mm)
Right hand tool holder shown.
90° type holderInsertInsert
Insert
InsertInsert
Insert
Insert
InsertInsert
*1 The maximum groove depth changes according to the insert used. Please refer to the maximum groove depth of inserts on pages 9 and 10.
*2 The maximum cut off diameter D1 changes according to the insert used. The cut off diameter is double the maximum groove depth (ar) of inserts on pages 9 and 10.
*3 Dimensions shown are when the gauge insert is used. If other insert geometries are used then L1, L2 and F1 values may vary.
*4 The maximum groove depth is limited by the workpiece diameter. For details, please refer to page 22.
SeatSize
StockStock
Hand
Modular HolderModular Blade
InsertWidth
Max.Groove Depth
Max.Cut Off Diameter Order Number
GY SERIES (EXTERNAL)
EXTERNAL GROOVING
Fig. 1Fig. 2
a : Inventory maintained.
Note 1) For modular blades and modular holders, please order separately.Note 2) Please use left hand modular blade for right hand modular holder and
right hand modular blade for left hand modular holder.
18
P.9P.10
P.9P.10
P.9P.10
P.9P.10
202020252525202020252525
202020252525202020252525
125125125150150150125125125150150150
353535383838353535383838
202020252525202020252525
394551455359394551455359
112112112112
202020252525202020252525
202020252525202020252525
125125125150150150125125125150150150
353535383838353535383838
202020252525202020252525
394551455359394551455359
112112112112
202020252525202020252525
202020252525202020252525
125125125150150150125125125150150150
353535383838353535383838
202020252525202020252525
394551455359394551455359
112112112112
20
252525
20
252525
20
252525
20
252525
125
150150150
125
150150150
35
383838
35
383838
20
252525
20
252525
45
475364
45
475364
1
112
1
112
H1 B L1 L2 H2 F1
GY2M0300F030N-GMGY2M0318F030N-GMGY2M0300F030R/L05-GMGY2M0300F020N-MSGY2M0300F040N-MSGY2M0300F020N-MMGY2M0300F040N-MMGY2M0300F150N-BMGY2M0318F159N-BMGY1G0300F020N-GFGSGY1G0318F020N-GFGS
GY2M0300F020N-GSGY2M0318F020N-GS
GY2M0400G020N-GMGY2M0400G020N-GS
GY2M0400G030R/L05-GMGY2M0400G020N-MSGY2M0400G040N-MSGY2M0400G040N-MMGY2M0400G080N-MMGY2M0400G200N-BMGY1G0400G020N-GFGS
GY2M0200D020N-GS
GY2M0200D020N-GM
GY2M0200D020R/L05-GM
GY1G0200D020N-GFGS
GY2M0239E020N-GSGY2M0250E020N-GS
GY2M0239E020N-GMGY2M0250E020N-GM
GY2M0250E020R/L05-GM
GY1G0239E020N-GFGSGY1G0250E020N-GFGS
*3
GYHR/L2020K90-M20L/R
GYHR/L2525M90-M25L/R TKY30RTKY25R
TKY30RTKY15R
TS55
TS407GY06013M
(Gauge insert)
(Gauge insert)
(Gauge insert)
(Gauge insert)
Fig.Page
Insert
Geometry / Insert Number
Dimensions (mm)
SPARE PARTS
Modular Holder Number
Clamp Screw Wrench(5 pcs.)
Blade Screw
(Clamp Torque: 5.0N·m)
(Clamp Torque: 3.5N·m)(Clamp Torque
: 6.0N·m)
19
H2øD1
H2øD1
B
ar
F1
H1
L1L2
W3
2GY2Mooooooooo-MMGY2Mooooooooo-MS
GY2Mooooooooo-BM
GY2Mooooooooo-GMGY2Mooooooooo-GS
GY2MoooooR/Loo-GM
GY1Gooooooooo- GFGS
GY2Mooooooooo-GMGY2Mooooooooo-GS
GYHR2525M90-M25L
GYHL2525M90-M25R
GYM20LA-H12GYM25LA-H08GYM25LA-H14GYM25LA-H25GYM20RA-H12GYM25RA-H08GYM25RA-H14GYM25RA-H25
12
81425
12
81425
4.755.00
H
6.006.35
J
a
a
a
a
a
a
a
a
a
a
a
a
a
a
R
R
L
24
162850
24
162850
GYM25LA-J08GYM25LA-J14GYM25LA-J25GYM25RA-J08GYM25RA-J14GYM25RA-J25
81425
81425
a
a
a
a
a
a
162850162850
(2E1R3H1)
(2G1R4H1)(2G1R4H2)(2G1R4H3)
(2E1L3H1)
(2G1L4H1)(2G1L4H2)(2G1L4H3)
(2G1R4J1)(2G1R4J2)(2G1R4J3)(2G1L4J1)(2G1L4J2)(2G1L4J3)
GYHR2020K90-M20L
GYHR2525M90-M25L
GYHL2020K90-M20R
GYHL2525M90-M25RL
*1
*1
*2
*2
*1
*1
*2
*2
ar D1W3 (R/L) ID(mm) (mm) (mm)
Right hand tool holder shown.
InsertInsert
Insert
InsertInsert
Insert
Insert
InsertInsert
*1 The maximum groove depth changes according to the insert used. Please refer to the maximum groove depth of inserts on pages 9 and 10.
*2 The maximum cut off diameter D1 changes according to the insert used. The cut off diameter is double the maximum groove depth (ar) of inserts on pages 9 and 10.
*3 Dimensions shown are when the gauge insert is used. If other insert geometries are used then L1, L2 and F1 values may vary.
Fig. 1Fig. 2
SeatSize
StockStock
Hand
Modular HolderModular Blade
InsertWidth
Max.Groove Depth
Max.Cut Off Diameter Order Number
GY SERIES (EXTERNAL)
EXTERNAL GROOVING
90° type holder
a : Inventory maintained.
Note 1) For modular blades and modular holders, please order separately.Note 2) Please use left hand modular blade for right hand modular holder and
right hand modular blade for left hand modular holder.
20
P.9P.10
P.9P.10
20
252525
20
252525
20
252525
20
252525
125
150150150
125
150150150
35
383838
35
383838
20
252525
20
252525
45
475364
45
475364
1
112
1
112
252525252525
252525252525
150150150150150150
383838383838
252525252525
475364475364
112112
GYHR/L2020K90-M20L/R
GYHR/L2525M90-M25L/R
H1 B L1 L2 H2 F1
GY2M0500H040R/L05-GMGY2M0500H040N-MSGY2M0500H080N-MSGY2M0500H040N-MMGY2M0500H080N-MMGY2M0475H238N-BMGY2M0500H250N-BMGY1G0475H020N-GFGSGY1G0500H020N-GFGS
GY2M0475H030N-GSGY2M0500H030N-GSGY2M0475H040N-GMGY2M0500H040N-GM
GY2M0600J040N-GM
GY2M0635J040N-GMGY2M0600J040N-MSGY2M0600J080N-MSGY2M0600J040N-MMGY2M0600J080N-MMGY2M0600J300N-BMGY2M0635J318N-BM
GY2M0600J030N-GSGY2M0635J030N-GS
*3
TKY30RTKY25R
TKY30RTKY15R
TS55
TS407GY06013M
SPARE PARTS
Modular Holder Number
Clamp Screw Wrench
(Gauge insert)
(Gauge insert)
Fig.Page
Insert
Geometry / Insert Number
Dimensions (mm)
(5 pcs.)
Blade Screw
(Clamp Torque: 5.0N·m)
(Clamp Torque: 3.5N·m)(Clamp Torque
: 6.0N·m)
21
0 0.10.05 0.2 0.3 0.4
0 0.05 0.1 0.15 0.2
2.0
3.0
4.0
6.0
2.392.5
3.18
4.755.0
6.35
2.0
4.0
2.392.5
3.18
4.755.0
3.0
1.0
2.0
3.0
4.0
0 0.1 0.2 0.3 0.4
3.0
4.0
5.0
6.0
0 0.1 0.2 0.3 0.4
1.0
2.0
3.0
4.0
0 0.1 0.2 0.3 0.4
3.0
4.0
5.0
6.0
0 0.1 0.2 0.3 0.4
a a
a a
0 0.1 0.2 0.3 0.4
2.0
3.0
4.0
6.0
2.392.5
3.18
4.755.0
6.35
y
a a
a
EXTERNAL GROOVING
GS Breaker
Inse
rt w
idth
(mm
)
Feed (mm/rev)
MS Breaker
Inse
rt w
idth
(mm
)
Feed (mm/rev)
Flat Top GFGS (CBN)
Inse
rt w
idth
(mm
)
Feed (mm/rev)
Rad
ial D
epth
of c
ut (m
m)
MM Breaker
Inse
rt w
idth
(mm
)
Feed (mm/rev)
Feed (mm/rev)
Feed (mm/rev)
Rad
ial D
epth
of c
ut (m
m)
Grooving, Cutting off Turning
Grooving, Cutting off Turning
Recommended Cutting Conditions [External]
Recommended feed rate and depth of cut
: 1st recommended area
GM Breaker
Inse
rt w
idth
(mm
)
Feed (mm/rev)
: 1st recommended area
: 1st recommended area
: 1st recommended area
: 1st recommended area
Insert width 4mm
Insert width4mm
Insert width 3mm
Insert width 3mm
Insert width 5mm
Insert width 5mm
Insert width 6mm
Insert width 6mm
*Below are the recommended cutting conditions when using the modular holder GYHR/L2525M00-M25R/L with the modular blade GYM25oA-oo.
Grooving, Cutting off Grooving, Cutting off
Grooving (Finishing)
22
GYM25 GYHR2020K00-M25R GYM20 GYHR2020K00-M20R GYM20 GYHR1616J00-M20R20m
m
20m
m
16m
m
KVP10RTVP20RT
P
M
160─280HB
160 (100─220)
130 (80─180)
100 (60─140)
100 (60─140)
VP10RTVP20RT
VP10RTVP20RT
S
H
160 (100─220)
130 (80─180)
40 (30─60)
100 (80─120)
VP10RTVP20RT
MB8025
0 36 40 48 70 137
19
18
17
16
15
14
3.0
4.0
5.0
6.0
3.18
4.75
6.35
0 0.1 0.2 0.3 0.4 0 0.1 0.80.2 0.3 0.50.4 0.6 0.7
1.0
2.0
3.0
4.0a a
a a
GYM20R/LB-D18GYM20R/LB-E18GYM20R/LB-F18
─
y
y
<160HB
280HB<
<270HB 50HRC<
Cast Iron Tensile Strength<300MPa
Ductile Cast Iron Tensile Strength<800MPa
Note 1) VP20RT is the first recommended grade for materials other than hardened steel.Note 2) For VP10RT and VP20RT, wet cutting is recommended.
Carbon SteelAlloy Steel
Work Material Hardness Grade Cutting Speed(m/min)
Stainless Steel
Mild Steel
Work Material Hardness Grade Cutting Speed(m/min)
Hardened steel
Heat Resistant AlloyTitanium Alloy
Recommended cutting speed
Workpiece
Diameter
Max. Groove Depthar (Max.)
Due to the interference on this part, the maximum groove depth is limited by the workpiece diameter.
Max
. Gro
ove
Dep
th (m
m)
Workpiece Diameter (mm)
BM BreakerIn
sert
wid
th (m
m)
Feed (mm/rev) Feed (mm/rev)
Grooving Turning
Rad
ial d
epth
of c
ut (m
m) : 1st
recommended area
Insert width3.18mm3.0mm
Insert width4.0mm
Insert width 6.35mm6.0mm
Insert width5.0mm
4.75mm
(Note) When using a combination as shown below, decrease the recommended feed rate by 20% and 40% respectively.
Decrease the feed rate by 20%. Decrease the feed rate by 40%.
(20mm×20mm Square holder) (16mm×16mm Square holder)
Limitation of the Maximum Groove Depth●When using the modular blade GYMiiR/LA-ii The maximum groove depth is not limited by the workpiece diameter.
●When using the modular blade GYMiiR/LB-iii The maximum groove depth is limited by the workpiece diameter.
23
ar F2
F1
90°
L1
L3
ar F2
F1
90°
L1
L3
øD4
H1
øD1
a
GY2Mooooooooo-GS3
W3 ar D1
GYAR20K90A-D06GYAR20Q90A-D06GYAR25K90B-D06GYAR25R90B-D06GYDR32L90C-M20LGYDR32S90C-M20LGYDR40M90D-M20LGYDR40T90D-M20LGYDR40M90D-M25LGYDR40T90D-M25LGYDR50P90F-M25LGYDR50T90F-M25LGYAL20K90A-D06GYAL20Q90A-D06GYAL25K90B-D06GYAL25R90B-D06GYDL32L90C-M20RGYDL32S90C-M20RGYDL40M90D-M20RGYDL40T90D-M20RGYDL40M90D-M25RGYDL40T90D-M25RGYDL50P90F-M25RGYDL50T90F-M25R
2.00
2.392.50
D
E
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
─
─
a
a
a
a
─
─
a
a
a
a
R
L
R
L
*1
*1
*1
*1
25
32
40
50
60
70
25
32
40
50
60
70
GYAR20K90A-E06GYAR20Q90A-E06GYAR25K90B-E06GYAR25R90B-E06GYDR32L90C-M20LGYDR32S90C-M20LGYDR40M90D-M20LGYDR40T90D-M20LGYDR40M90D-M25LGYDR40T90D-M25LGYDR50P90F-M25LGYDR50T90F-M25LGYAL20K90A-E06GYAL20Q90A-E06GYAL25K90B-E06GYAL25R90B-E06GYDL32L90C-M20RGYDL32S90C-M20RGYDL40M90D-M20RGYDL40T90D-M20RGYDL40M90D-M25RGYDL40T90D-M25RGYDL50P90F-M25RGYDL50T90F-M25R
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
─
─
GYM20LA-D10
GYM20LA-D10
GYM25LA-D12
GYM25LA-D12
─
─
GYM20RA-D10
GYM20RA-D10
GYM25RA-D12
GYM25RA-D12
(R/L)
(6E2R9D1)(6E1R9D1)(6G2R9D1)(6G1R9D1)(6J2R3D1)(6J1R3D1)(6L2R3D1)(6L1R3D1)(6L2R4D1)(6L1R4D1)(6N2R4D1)(6N1R4D1)(6E2L9D1)(6E1L9D1)(6G2L9D1)(6G1L9D1)(6J2L3D1)(6J1L3D1)(6L2L3D1)(6L1L3D1)(6L2L4D1)(6L1L4D1)(6N2L4D1)(6N1L4D1)(6E2R9E1)(6E1R9E1)(6G2R9E1)(6G1R9E1)(6J2R3E1)(6J1R3E1)(6L2R3E1)(6L1R3E1)(6L2R4E1)(6L1R4E1)(6N2R4E1)(6N1R4E1)(6E2L9E1)(6E1L9E1)(6G2L9E1)(6G1L9E1)(6J2L3E1)(6J1L3E1)(6L2L3E1)(6L1L3E1)(6L2L4E1)(6L1L4E1)(6N2L4E1)(6N1L4E1)
GY2Mooooooooo-MMGY2Mooooooooo-MS
GY2Mooooooooo-BM
GY2Mooooooooo-GMGY1Gooooooooo- GF
GS
6
6
4─9.5
5.5─9.5
7─11.5
7─11.5
25
32
40
50
60
70
25
32
40
50
60
70
─
─
a
a
a
a
─
─
a
a
a
a
─
─
GYM20LA-E10
GYM20LA-E10
GYM25LA-E12
GYM25LA-E12
─
─
GYM20RA-E10
GYM20RA-E10
GYM25RA-E12
GYM25RA-E12
*1
*1
*1
*1
6
6
4─9.5
5.5─9.5
7─11.5
7─11.5
*1
*1
*1
*1
6
6
4─9.5
5.5─9.5
7─11.5
7─11.5
*1
*1
*1
*1
6
6
4─9.5
5.5─9.5
7─11.5
7─11.5
*3
NEW
ID(mm) (mm) (mm)
GY SERIES (INTERNAL)
Insert
90° type holderInsertInsert
Insert
InsertInsert
Right hand tool holder shown.
Stock Modular BladeHolder / Modular Holder
*1 The maximum groove depth varies according to the cutting diameter D1. For details, please refer to page 30.
*2 Dimensions shown are when the gauge insert is used. If other insert geometries are used then L1, L3, F1 and F2 values may vary.
*3 The maximum groove depth (ar) is a value within the dimension L3.
SeatSize
Stock
HandInsertWidth
Max.Groove Depth
Min.CuttingDiameter Order Number
INTERNAL GROOVING
Fig. 2
Fig. 1
Mono block type (Air / coolant through)
a : Inventory maintained.
Note 1) For modular blades and modular holders, please order separately.Note 2) Please use left hand modular blade for right hand modular holder and
right hand modular blade for left hand modular holder.
24
90°
ar F2
F1
L1L3
90°
ar F2
F1
L1L3
øD4H1
øD1
D4 L1 L3 F1 H1
P.9P.10
P.9P.10
202025253232404040405050202025253232404040405050
125180125200140250150300150300170300125180125200140250150300150300170300
303040405050606060608080303040405050606060608080
14.514.51919222228282828343414.514.519192222282828283434
181823233030373737374747181823233030373737374747
121234343434121234343434
GYAR/L20o90A-o06GYAR/L25o90B-o06GYDR/L32o90C-M20L/RGYDR/L40o90D-M20L/RGYDR/L40o90D-M25L/RGYDR/L50o90F-M25L/R
125180125200140250150300150300170300125180125200140250150300150300170300
303040405050606060608080303040405050606060608080
F2
4.54.56.56.56.06.08.08.08.08.09.09.04.54.56.56.56.06.08.08.08.08.09.09.04.54.56.56.56.06.08.08.08.08.09.09.04.54.56.56.56.06.08.08.08.08.09.09.0
14.514.51919222228282828343414.514.519192222282828283434
181823233030373737374747181823233030373737374747
121234343434121234343434
GY2M0200D020N-GS
GY2M0200D020N-GM
GY2M0200D020R/L05-GM
GY1G0200D020N-GFGS
GY2M0239E020N-GSGY2M0250E020N-GS
GY2M0239E020N-GMGY2M0250E020N-GM
GY2M0250E020R/L05-GM
GY1G0239E020N-GFGSGY1G0250E020N-GFGS
202025253232404040405050202025253232404040405050
─ TKY20R
TKY15RTKY30R
TKY25RTKY30R
*2
GY05016S
TS407
TS55
GY06013M
GY06013M
Dimensions (mm)Fig.
Insert
Geometry / Insert Number
SPARE PARTS
Modular Holder Number
Clamp Screw Wrench
(Gauge insert)
(Gauge insert)
Fig. 4
Fig. 3
Right hand tool holder shown.
Page
Blade Screw
aModular blade type (Air / coolant through)
(4 pcs.)
(Clamp Torque: 4.5N·m)
(Clamp Torque: 3.5N·m)
(Clamp Torque: 5.0N·m)
(Clamp Torque: 6.0N·m)
(Clamp Torque: 6.0N·m)
25
ar F2
F1
90°
L1
L3
ar F2
F1
90°
L1
L3
øD4
H1
øD1
a
W3 ar D1
GYAR20K90A-F06GYAR20Q90A-F06GYAR25K90B-F06GYAR25R90B-F06GYDR32L90C-M20LGYDR32S90C-M20LGYDR40M90D-M20LGYDR40T90D-M20LGYDR40M90D-M25LGYDR40T90D-M25LGYDR50P90F-M25LGYDR50T90F-M25LGYAL20K90A-F06GYAL20Q90A-F06GYAL25K90B-F06GYAL25R90B-F06GYDL32L90C-M20RGYDL32S90C-M20RGYDL40M90D-M20RGYDL40T90D-M20RGYDL40M90D-M25RGYDL40T90D-M25RGYDL50P90F-M25RGYDL50T90F-M25R
3.003.18
4.00
F
G
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
─
─
a
a
a
a
─
─
a
a
a
a
R
L
R
L
*1
*1
*1
*1
25
32
40
50
60
70
25
32
40
50
60
70
GYAR25K90B-G07GYAR25R90B-G07GYDR32L90C-M20LGYDR32S90C-M20LGYDR40M90D-M20LGYDR40T90D-M20LGYDR40M90D-M25LGYDR40T90D-M25LGYDR50P90F-M25LGYDR50T90F-M25LGYAL25K90B-G07GYAL25R90B-G07GYDL32L90C-M20RGYDL32S90C-M20RGYDL40M90D-M20RGYDL40T90D-M20RGYDL40M90D-M25RGYDL40T90D-M25RGYDL50P90F-M25RGYDL50T90F-M25R
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
─
─
GYM20LA-F10
GYM20LA-F10
GYM25LA-F12
GYM25LA-F12
─
─
GYM20RA-F10
GYM20RA-F10
GYM25RA-F12
GYM25RA-F12
(R/L)
(6E2R9F1)(6E1R9F1)(6G2R9F1)(6G1R9F1)(6J2R3F1)(6J1R3F1)(6L2R3F1)(6L1R3F1)(6L2R4F1)(6L1R4F1)(6N2R4F1)(6N1R4F1)(6E2L9F1)(6E1L9F1)(6G2L9F1)(6G1L9F1)(6J2L3F1)(6J1L3F1)(6L2L3F1)(6L1L3F1)(6L2L4F1)(6L1L4F1)(6N2L4F1)(6N1L4F1)(6G2R9G1)(6G1R9G1)(6J2R3G1)(6J1R3G1)(6L2R3G1)(6L1R3G1)(6L2R4G1)(6L1R4G1)(6N2R4G1)(6N1R4G1)(6G2L9G1)(6G1L9G1)(6J2L3G1)(6J1L3G1)(6L2L3G1)(6L1L3G1)(6L2L4G1)(6L1L4G1)(6N2L4G1)(6N1L4G1)
6
6
4─9.5
5.5─9.5
7─11.5
7─11.5
32
40
50
60
70
32
40
50
60
70
─
a
a
a
a
─
a
a
a
a
─
GYM20LA-G12
GYM20LA-G12
GYM25LA-G14
GYM25LA-G14
─
GYM20RA-G12
GYM20RA-G12
GYM25RA-G14
GYM25RA-G14
*1
*1
*1
*1
6
6
4─9.5
5.5─9.5
7─11.5
7─11.5
*1
*1
*1
*1
7
4.5─11.5
6─11.5
7.5─13
7.5─13
*1
*1
*1
*1
7
4.5─11.5
6─11.5
7.5─13
7.5─13
GY2Mooooooooo-GS3
GY2Mooooooooo-MMGY2Mooooooooo-MS
GY2Mooooooooo-BM
GY2Mooooooooo-GMGY1Gooooooooo- GF
GS
*3
NEW
ID(mm) (mm) (mm)
GY SERIES (INTERNAL)
INTERNAL GROOVING
*1 The maximum groove depth varies according to the cutting diameter D1. For details, please refer to page 30.
*2 Dimensions shown are when the gauge insert is used. If other insert geometries are used then L1, L3, F1 and F2 values may vary.
*3 The maximum groove depth (ar) is a value within the dimension L3.
Insert InsertInsert
Insert
InsertInsert
Right hand tool holder shown.
Stock Modular BladeHolder / Modular Holder
SeatSize
Stock
HandInsertWidth
Max.Groove Depth
Min.CuttingDiameter Order Number
Fig. 2
Fig. 1
Mono block type (Air / coolant through)
90° type holder
a : Inventory maintained.
Note 1) For modular blades and modular holders, please order separately.Note 2) Please use left hand modular blade for right hand modular holder and
right hand modular blade for left hand modular holder.
26
90°
ar F2
F1
L1L3
90°
ar F2
F1
L1L3
øD4H1
øD1
P.9P.10
P.9P.10
GY2M0300F020N-GSGY2M0318F020N-GS
GY2M0300F030N-GM
GY2M0318F030N-GM
GY2M0300F030R/L05-GM
GY2M0300F020N-MSGY2M0300F040N-MS
GY2M0300F020N-MMGY2M0300F040N-MM
GY2M0300F150N-BMGY2M0318F159N-BM
GY1G0300F020N-GFGSGY1G0318F020N-GFGS
GY2M0400G020N-GS
GY2M0400G030N-GM
GY2M0400G030R/L05-GM
GY2M0400G020N-MSGY2M0400G040N-MS
GY2M0400G040N-MMGY2M0400G080N-MM
GY2M0400G200N-BM
GY1G0400G020N-GFGS
12123434343412123434343412343434341234343434
GYAR/L20o90A-o06GYAR/L25o90B-ooo
GYDR/L32o90C-M20L/RGYDR/L40o90D-M20L/RGYDR/L40o90D-M25L/RGYDR/L50o90F-M25L/R
─ TKY20R
TKY15RTKY30R
TKY25RTKY30R
D4 L1 L3 F1 H1
202025253232404040405050202025253232404040405050
125180125200140250150300150300170300125180125200140250150300150300170300
303040405050606060608080303040405050606060608080
14.514.51919222228282828343414.514.519192222282828283434
181823233030373737374747181823233030373737374747
F2
4.54.56.56.56.06.08.08.08.08.09.09.04.54.56.56.56.06.08.08.08.08.09.09.0
2525323240404040505025253232404040405050
125200140250150300150300170300125200140250150300150300170300
4040505060606060808040405050606060608080
1919222228282828343419192222282828283434
2323303037373737474723233030373737374747
6.56.56.06.08.08.08.08.09.09.06.56.56.06.08.08.08.08.09.09.0
*2
GY05016S
TS407
TS55
GY06013M
GY06013M
(Gauge insert)
(Gauge insert)
SPARE PARTS
Modular Holder Number
Clamp Screw Wrench
Fig. 4
Fig. 3
Right hand tool holder shown.
Blade Screw
aModular blade type (Air / coolant through)
(4 pcs.)
Dimensions (mm)Fig.
Insert
Geometry / Insert Number Page
(Clamp Torque: 4.5N·m)
(Clamp Torque: 3.5N·m)
(Clamp Torque: 5.0N·m)
(Clamp Torque: 6.0N·m)
(Clamp Torque: 6.0N·m)
27
ar F2
F1
90°
L1
L3
ar F2
F1
90°
L1
L3
øD4
H1
øD1
GY2Mooooooooo-GS3
GY2Mooooooooo-MMGY2Mooooooooo-MS
GY2Mooooooooo-BM
GY2Mooooooooo-GMGY1Gooooooooo- GF
GS
W3 ar D1(R/L)
GYAR25K90B-H07GYAR25R90B-H07GYDR32L90C-M20LGYDR32S90C-M20LGYDR40M90D-M20LGYDR40T90D-M20LGYDR40M90D-M25LGYDR40T90D-M25LGYDR50P90F-M25LGYDR50T90F-M25LGYAL25K90B-H07GYAL25R90B-H07GYDL32L90C-M20RGYDL32S90C-M20RGYDL40M90D-M20RGYDL40T90D-M20RGYDL40M90D-M25RGYDL40T90D-M25RGYDL50P90F-M25RGYDL50T90F-M25R
4.755.00
6.006.35
H
J
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
─
a
a
a
a
─
a
a
a
a
R
L
R
L
32
40
50
60
70
32
40
50
60
70
GYDR40M90D-M25LGYDR40T90D-M25LGYDR50P90F-M25LGYDR50T90F-M25LGYDL40M90D-M25RGYDL40T90D-M25RGYDL50P90F-M25RGYDL50T90F-M25R
a
a
a
a
a
a
a
a
GYM20LA-H12
GYM20LA-H12
GYM25LA-H14
GYM25LA-H14
GYM20RA-H12
GYM20RA-H12
GYM25RA-H14
GYM25RA-H14
GYM25LA-J14
GYM25LA-J14
GYM25RA-J14
GYM25RA-J14
─
─
(6G2R9H1)(6G1R9H1)(6J2R3H1)(6J1R3H1)(6L2R3H1)(6L1R3H1)(6L2R4H1)(6L1R4H1)(6N2R4H1)(6N1R4H1)(6G2L9H1)(6G1L9H1)(6J2L3H1)(6J1L3H1)(6L2L3H1)(6L1L3H1)(6L2L4H1)(6L1L4H1)(6N2L4H1)(6N1L4H1)(6L2R4J1)(6L1R4J1)(6N2R4J1)(6N1R4J1)(6L2L4J1)(6L1L4J1)(6N2L4J1)(6N1L4J1)
*1
*1
*1
*1
60
70
60
70
a
a
a
a
*1
*1
*1
*1
7
4.5─11.5
6─11.5
7.5─13
7.5─13
*1
*1
*1
*1
7
4.5─11.5
6─11.5
7.5─13
7.5─13
7.5─13
7.5─13
7.5─13
7.5─13
*3
NEW
ID(mm) (mm) (mm)
GY SERIES (INTERNAL)
INTERNAL GROOVING
Insert InsertInsert
Insert
InsertInsert
Right hand tool holder shown.
*1 The maximum groove depth varies according to the cutting diameter D1. For details, please refer to page 30.
*2 Dimensions shown are when the gauge insert is used. If other insert geometries are used then L1, L3, F1 and F2 values may vary.
*3 The maximum groove depth (ar) is a value within the dimension L3.
Stock Modular BladeHolder / Modular Holder
SeatSize
Stock
HandInsertWidth
Max.Groove Depth
Min.CuttingDiameter Order Number
Fig. 2
Fig. 1
aMono block type (Air / coolant through)
90° type holder
a : Inventory maintained.
Note 1) For modular blades and modular holders, please order separately.Note 2) Please use left hand modular blade for right hand modular holder and
right hand modular blade for left hand modular holder.
28
90°
ar F2
F1
L1L3
90°
ar F2
F1
L1L3
øD4H1
øD1
GYAR/L25o90B-o07
GYDR/L32o90C-M20L/RGYDR/L40o90D-M20L/RGYDR/L40o90D-M25L/RGYDR/L50o90F-M25L/R
─ TKY20R
TKY15RTKY30R
TKY25RTKY30R
P.9P.10
P.9P.10
1234343434123434343434343434
D4 L1 L3 F1 H1
2525323240404040505025253232404040405050
125200140250150300150300170300125200140250150300150300170300
4040505060606060808040405050606060608080
1919222228282828343419192222282828283434
2323303037373737474723233030373737374747
F2
6.56.56.06.08.08.08.08.09.09.06.56.56.06.08.08.08.08.09.09.0
4040505040405050
150300170300150300170300
6060808060608080
2828343428283434
3737474737374747
8.08.09.09.08.08.09.09.0
*2
GY2M0600J030N-GSGY2M0635J030N-GS
GY2M0600J040N-GMGY2M0635J040N-GM
GY2M0600J040N-MSGY2M0600J080N-MS
GY2M0600J040N-MMGY2M0600J080N-MM
GY2M0600J300N-BMGY2M0635J318N-BM
GY2M0475H030N-GSGY2M0500H030N-GS
GY2M0475H040N-GMGY2M0500H040N-GM
GY2M0500H040R/L05-GMGY2M0500H040N-MSGY2M0500H080N-MSGY2M0500H040N-MMGY2M0500H080N-MMGY2M0475H238N-BMGY2M0500H250N-BMGY1G0475H020N-GFGSGY1G0500H020N-GFGS
GY06013M
GY05016S
GY06013M
TS407
TS55
SPARE PARTS
Modular Holder Number
Clamp Screw Wrench
Fig. 4
Fig. 3
Right hand tool holder shown.
Blade Screw
aModular blade type (Air / coolant through)
(4 pcs.)
Dimensions (mm)Fig.
Insert
Geometry / Insert Number Page
(Gauge insert)
(Gauge insert)
(Clamp Torque: 6.0N·m)
(Clamp Torque: 4.5N·m)
(Clamp Torque: 6.0N·m)
(Clamp Torque: 3.5N·m)
(Clamp Torque: 5.0N·m)
29
L
&D
4
1.0
2.0
3.0
4.0
0.1 0.2 0.3
0 0.05 0.1 0.15 0.2
20
a
KVP10RTVP20RT
P
M
160─280HB
<160HB
280HB<
<270HB
─
50HRC<
130 (80─180)
100 (60─140)
80 (50─110)
80 (50─110)
VP10RTVP20RT
VP10RTVP20RT
S
H
130 (80─180)
100 (60─140)
40 (30─60)
80 (60─100)
VP10RTVP20RT
MB8025
25
32
40
50
100 150 200 250
85
80
90
95
100
105
0
y
─
50HRC<
Rad
ial D
epth
of c
ut (m
m)
Feed (mm/rev)
Tool chuck
Traverse Machining (MM/MS Breaker)
Recommended Cutting Conditions [INTERNAL]
Insert width 4mm
Insert width 3mm
Insert width 5mm
GroovingS
hank
Dia
met
er D
4 (m
m)
Feed
(%)
Feed (mm/rev) Cutting Diameter (%)
: 1st recommended area(Note 1) The cutting diameter 100% represents the minimum cutting diameter (øD1).(Note 2) The graph on the left shows the cutting conditions when setting the feed to 100%.
(Note) The above cutting conditions are for when using the tool overhang (L) 1.6-2.0 times larger than the shank diameter (øD4). (L/D=1.6-2.0) When using L/D larger than 2.0, reduce the cutting conditions.
When traverse machining a blind hole, it is recommended to carry out back turning considering chip disposal.
Cast Iron Tensile Strength<300MPa
Ductile Cast Iron Tensile Strength<800MPa
Note 1) VP20RT is the first recommended grade for materials other than hardened steel.Note 2) For VP10RT and VP20RT, wet cutting is recommended.
Work Material Hardness Grade Cutting Speed(m/min)
Stainless Steel
Work Material Hardness Grade Cutting Speed(m/min)
Hardened steel
Heat Resistant AlloyTitanium Alloy
Recommended cutting speed
Carbon SteelAlloy Steel
Mild Steel
Insert width 6mm
INTERNAL GROOVING
30
7075
8085
95100 115 160125
12
1111.5
GYM25L/RA-D12GYM25L/RA-E12GYM25L/RA-F12
GYM25L/RA-G14GYM25L/RA-H14GYM25L/RA-J14
13
14
10
9
8
77.5
4041
4448
55 65 80 90 105
12
1111.5
10
6
7
5
8
9
44.5
5054
56 65 80 100 110
10
9
12
1111.5
GYM20L/RA-D10GYM20L/RA-E10GYM20L/RA-F10
GYM20L/RA-D10GYM20L/RA-E10GYM20L/RA-F10
GYM20L/RA-G12GYM20L/RA-H12
8
7
6
55.5
y 130 y
y6062
69 80 95 135125
12
1111.5
13
14
10
9
8
77.5
GYM25L/RA-D12GYM25L/RA-E12GYM25L/RA-F12
y
GYM25L/RA-G14GYM25L/RA-H14GYM25L/RA-J14
GYM20L/RA-G12GYM20L/RA-H12
Limitation of the Maximum Groove Depth●When using the mono block type The maximum groove depth is not limited by the cutting diameter.
●When using the modular blade type The maximum groove depth is limited by the cutting diameter.
Due to interference of this part,the maximum groove depth islimited by the cutting diameter.
Cutting Diameter (mm)
Max
. Gro
ove
Dep
th (m
m)
Max
. Gro
ove
Dep
th (m
m)
Cutting Diameter (mm)
Shank Diameter==40mm (GYM25 Blade) Shank Diameter==50mm (GYM25 Blade)
Cutting Diameter (mm)
Max
. Gro
ove
Dep
th (m
m)
Max
. Gro
ove
Dep
th (m
m)
Shank Diameter=32mm (GYM20 Blade) Shank Diameter=40mm (GYM20 Blade)
Cutting Diameter (mm)
31
90º 90º
+
–
25m
m
GYM25 GYHR2525M00-M25R
20m
mGYM25 GYHR2020K00-M25R
20m
m
GYM25 GYHR2020K00-M25R
20m
m
GYM20 GYHR2020K00-M20R
0.5–1.0mm >1.0mm
a
a
<Grooving/Cross-feed machining>Set the cutting edge height to ±0.1mm parallel to the central axis.<Cutting off>Set the cutting edge height to 0–+0.2mm parallel to the central axis.
Select the shortest possible blade suitable for the application.
Set the insert perpendicular to the central axis.
When setting the tool, ensure that the overhang is as short as possible.
Tool Selection
Notes when selecting the tool body
EXTERNAL GROOVING
Notes when setting the tool
Modular holder Modular blade
To ensure sufficient clamping rigidity, select a modular holder with the largest possible shank size.
If there is no restriction for use, select the largest modular blade for the same shank size.
Select the shortest possible blade suitable for the application.
32
z
xc
v
b
nm ,
.
/
zcx
a
Machining Recommendations
Notes on multi-function machining (MS and MM breakers)
Roughing Finishing
Finishing Precautions when Finishing Walls
Machining of a Ring Section
It is recommended that cross-feed machining is used.It is recommended to carry out plunging in several passes.Following the steps above makes it difficult for chips to elongate.This also improves the accuracy of workpiece wall surface.
Machining Narrow Grooves Machining Wide Grooves
Wall Machining
Machining Wide Grooves
When machining a wall, chip jamming can occur. In this case, stop cross feed machining just before the wall (at a point less than the insert width) then remove the remaining material by plunging.
When a ring remains in a cross feed end process, finish cross feed machining 1–1.5mm short of the end point, then remove the ring by plunging.
,Machining of the wall surface, corner radius and bottom face should be carried out in one process.
mCarry out grooving to the end point of the corner radius.
zCarry out grooving.xRetract the tool
approx 0.1mm.
.Stop at the bottom of the corner radius.
/Machine the counter wall to the corner radius in one process.
To produce high accuracy walls using MS or MM breaker insert, do not carry out back turning. Plunging is recommended.
cCarry out cross feed machining.
vRetract the tool approx 0.1mm.
bCarry out grooving.nRetract the tool approx
0.1mm.* Repeat the steps z–n .
Finish machining.
33
a
ap
ap
GY2M0300F150N-BMGY2M0318F159N-BMGY2M0400G200N-BMGY2M0475H238N-BMGY2M0500H250N-BMGY2M0600J150N-BMGY2M0635J318N-BM
0.15
0.24
0.30
0.20
ap (mm)
Notes on multi-function machining (BM breaker)
Roughing
Finishing
With the BM breaker insert, 3 dimensional copying is possible.Set the depth of cut (ap) to 40% less than the insert width.
Carry out finishing in one process.For the depth of cut (ap) when back turning, refer to the table on the right.
Use plunging and cross-feed machining.When machining the corner, vibration is likely to occur. To avoid this, reduce the feed by 50%.
EXTERNAL GROOVING
Machining Recommendations
Insert
34
a
&D
0.5xD0
0.8x(max-n)max-n
a
&D
0.5xD0.2xD0
0.5xf
1.0xf
aNotes for cutting off
When the cutting edge approaches the centre, reduce the feed by 50%.
If necessary, stop the feed prior to reaching the centre of the workpiece to prevent it falling under its own weight.
When using constant cutting speed during a cutting off cycle, it is recommended to limit the spindle speed to 80% of maximum to ensure stability.
To prevent the workpiece from being expelled, lower the spindle speed before finishing the grooving operation.
When there is a centre stub on solid bar work or burrs are formed on pipe material, it is possible to decrease them by using a handed insert. With a handed insert, machining tends to be less stable when compared to using a neutral insert. Pay special attention to avoid fracturing of the cutting edge and decrease the feed when necessary.
Neutral insert Right handed insert Neutral insert Right handed insert
Distance astart-n
Maximum spindle speed
Distance from the cutting edge to the workpiece centre
Distance from the cutting edge to the workpiece centre
Revolution n
Distance a
Feed f
<Feed>
<Spindle speed>
35
a
a
L3 F2
GYM20R/L-oo
GYM25R/L-oo
GYM20R/LA-D10GYM20R/LA-E10GYM20R/LA-F10GYM20R/LA-G12GYM20R/LA-H12
GYM25R/LA-D12GYM25R/LA-E12GYM25R/LA-F12GYM25R/LA-G14GYM25R/LA-H14GYM25R/LA-J14
GYM20R/LA-oo GYM25R/LA-oo
Notes when selecting the tool body
For a ø40 shank holder, if there is no restriction for use, select a holder suitable for GYM25 blade.
When the overhang is the same, select a holder with the largest possible shank size to ensure sufficient clamping rigidity.
The maximum groove depth is limited to the dimension L3. When machining with longer overhangs, refer to the dimension F2 of the tool used.
INTERNAL GROOVING
Recommendations for internal grooving
Tool chuck
Tool chuck
Tool chuck
For an internal holder, select a modular blade listed above.
Notes when setting the tool
36
zcx zcx zcx
zxcv
0.5 0.5
z x
0.5
aNotes on multi-function machining (MS and MM breakers)
Grooving
Turning Machining instruction
Machining Wide Grooves
Machining blind holesCoolant
aWhen the cutting edge width is x 2 ≤ groove width
Chips
Coolant
aWhen the cutting edge width is x 2 < groove width
Apply a large amount of coolant to the cutting edge for effective chip disposal. Also, apply coolant continuously until the tool comes completely away from the workpiece for improved chip disposal.
As continuous chips tend to elongate at the back of the bore, the above operations is recommended. The recommended width of cut for x is 0.5mm.
When the groove depth is larger than the cutting edge width, carry out plunging in the steps above to break chips efficiently.
When the depth of cut is narrower than the cutting edge width, continuous chips are usually produced. When plunging in several passes, it is recommended to carry out machining in the steps above. This ensures that coolant reaches the cutting edge and chips are easily discharged.
When chip breaking and disposal are especially important, cross-feed machining is recommended.
It is recommended to carry out grooving from the front end of the workpiece. This makes it possible to reduce workpiece deflection.
The first recommended steps are the roughing steps on page 34.
If the groove depth exceeds a given level, chips may elongate at the wall. In such a case, increase the feed and carry out machining as shown above.
For internal grooving, the machining methods for external grooving (P32 – 33) can be used, nevertheless it is necessary to take precaution to the following.
37
*
*
***
GYM20LA-D06GYM20LA-D10GYM20LB-D18GYM20LA-E06GYM20LA-E10GYM20LB-E18GYM20LA-F06GYM20LA-F10GYM20LB-F18GYM20LA-G12
GYM20LA-H12
*
*
***
GYM20RA-D06GYM20RA-D10GYM20RB-D18GYM20RA-E06GYM20RA-E10GYM20RB-E18GYM20RA-F06GYM20RA-F10GYM20RB-F18GYM20RA-G12
GYM20RA-H12
a
2.00
2.392.50
3.003.18
4.755.00
4.00
4.755.00
4.00
4.755.00
4.00
4.755.00
4.00
P.11P.13P.15P.17P.19
P.11P.13P.15
610186
10186
101812
12
GYHR1616J00-M20R
GYHL1616J00-M20L
GYHL2020K00-M20LGYHR2020K90-M20L
GYHR2020K00-M20RGYHL2020K90-M20R
*
*
***
GYM20LA-D06GYM20LA-D10GYM20LB-D18GYM20LA-E06GYM20LA-E10GYM20LB-E18GYM20LA-F06GYM20LA-F10GYM20LB-F18GYM20LA-G12
GYM20LA-H12
*
*
***
610186
10186
101812
12
2.00
2.392.50
3.003.18
P.11P.13P.15
GYM20RA-D06GYM20RA-D10GYM20RB-D18GYM20RA-E06GYM20RA-E10GYM20RB-E18GYM20RA-F06GYM20RA-F10GYM20RB-F18GYM20RA-G12
GYM20RA-H12
610186
10186
101812
12
610186
10186
101812
12
2.00
2.392.50
3.003.18
2.00
2.392.50
3.003.18
P.11P.13P.15P.17P.19
GYM25LA-D06GYM25LA-D12GYM25LA-D20GYM25LA-E06GYM25LA-E12GYM25LA-E20GYM25LA-F06GYM25LA-F12GYM25LA-F20GYM25LA-G08GYM25LA-G14GYM25LA-G25GYM25LA-H08GYM25LA-H14GYM25LA-H25GYM25LA-J08GYM25LA-J14GYM25LA-J25
P.11P.13P.15
2.00
2.392.50
3.003.18
4.00
4.755.00
6.006.35
61220
61220
61220
81425
81425
81425
GYHL2020K00-M25L
*
*
*
*
*
*
GYM25RA-D06GYM25RA-D12GYM25RA-D20GYM25RA-E06GYM25RA-E12GYM25RA-E20GYM25RA-F06GYM25RA-F12GYM25RA-F20GYM25RA-G08GYM25RA-G14GYM25RA-G25GYM25RA-H08GYM25RA-H14GYM25RA-H25GYM25RA-J08GYM25RA-J14GYM25RA-J25
P.11P.13P.15
2.00
2.392.50
3.003.18
4.00
4.755.00
6.006.35
61220
61220
61220
81425
81425
81425
GYHR2020K00-M25R
*
*
*
*
*
*
(mm)(mm)(mm)
(mm)
GROOVING (EXTERNAL / INTERNAL)
CORRESPONDING TABLE OF HOLDERS/MODULAR BLADESExternal grooving/Cutting off / Copying (00º type/90º type)
Modular Holder Number InsertWidth Page
Modular Blade
Modular BladeNumber
Max.GrooveDepth
Modular Holder Number InsertWidth Page
Modular Blade
Modular BladeNumber
Max.GrooveDepth
* Compatible with internal holders.
38
GYM25RA-D12
GYM25RA-E12
GYM25RA-F12
GYM25RA-G14
GYM25RA-H14
GYM25RA-J14
P.23P.25P.27
2.002.392.50
GYDL40M90D-M25RGYDL40T90D-M25RGYDL50P90F-M25RGYDL50T90F-M25R
3.003.184.004.755.006.006.35
7 – 11.5
7 – 11.5
7 – 11.5
7.5 – 13
7.5 – 13
7.5 – 13
2.00
4.00
2.392.503.003.18
4.755.00
P.23P.25P.27
5.5 – 9.5
5.5 – 9.5
5.5 – 9.5
6 – 11.5
6 – 11.5
GYM20RA-D10
GYM20RA-E10
GYM20RA-F10
GYM20RA-G12
GYM20RA-H12
GYDL40M90D-M20RGYDL40T90D-M20R
GYM25LA-D06GYM25LA-D12GYM25LA-D20GYM25LA-E06GYM25LA-E12GYM25LA-E20GYM25LA-F06GYM25LA-F12GYM25LA-F20GYM25LA-G08GYM25LA-G14GYM25LA-G25GYM25LA-H08GYM25LA-H14GYM25LA-H25GYM25LA-J08GYM25LA-J14GYM25LA-J25
6.006.35
2.00
2.392.50
3.003.18
4.00
4.755.00
61220
61220
61220
81425
81425
81425
GYHL2525M00-M25LGYHR2525M90-M25L
*
*
*
*
*
*
GYM25RA-D06GYM25RA-D12GYM25RA-D20GYM25RA-E06GYM25RA-E12GYM25RA-E20GYM25RA-F06GYM25RA-F12GYM25RA-F20GYM25RA-G08GYM25RA-G14GYM25RA-G25GYM25RA-H08GYM25RA-H14GYM25RA-H25GYM25RA-J08GYM25RA-J14GYM25RA-J25
6.006.35
2.00
2.392.50
3.003.18
4.00
4.755.00
612206
12206
12208
14258
14258
1425
GYHR2525M00-M25RGYHL2525M90-M25R
*
*
*
*
*
*
a
a
GYM25LA-D12
GYM25LA-E12
GYM25LA-F12
GYM25LA-G14
GYM25LA-H14
GYM25LA-J14
P.23P.25P.27
2.002.392.50
GYDR40M90D-M25LGYDR40T90D-M25LGYDR50P90F-M25LGYDR50T90F-M25L
2.00
4.00
2.392.503.003.18
3.003.18
4.755.00
4.004.755.006.006.35
P.23P.25P.27
4 – 9.5
4 – 9.5
4 – 9.5
4.5 – 11.5
4.5 – 11.5
GYM20LA-D10
GYM20LA-E10
GYM20LA-F10
GYM20LA-G12
GYM20LA-H12
GYDR32L90C-M20LGYDR32S90C-M20L
2.00
4.00
2.392.503.003.18
4.755.00
P.23P.25P.27
4 – 9.5
4 – 9.5
4 – 9.5
4.5 – 11.5
4.5 – 11.5
GYM20RA-D10
GYM20RA-E10
GYM20RA-F10
GYM20RA-G12
GYM20RA-H12
GYDL32L90C-M20RGYDL32S90C-M20R
7 – 11.5
7 – 11.5
7 – 11.5
7.5 – 13
7.5 – 13
7.5 – 13
2.00
4.00
2.392.503.003.18
4.755.00
P.23P.25P.27
5.5 – 9.5
5.5 – 9.5
5.5 – 9.5
6 – 11.5
6 – 11.5
GYM20LA-D10
GYM20LA-E10
GYM20LA-F10
GYM20LA-G12
GYM20LA-H12
GYDR40M90D-M20LGYDR40T90D-M20L
P.11P.13P.15P.17P.19
P.11P.13P.15P.17P.19
(mm) (mm)
(mm)(mm)(mm)
(mm)
(mm) (mm)
External grooving / Cutting off / Copying (00º type / 90º type holder)
Internal grooving / Cutting off / Copying (90º type holder)
Modular Holder Number InsertWidth Page
Modular Blade
Modular BladeNumber
Max.GrooveDepth
Modular Holder Number InsertWidth Page
Modular Blade
Modular BladeNumber
Max.GrooveDepth
Modular Holder Number InsertWidth Page
Modular Blade
Modular BladeNumber
Max.GrooveDepth
Modular Holder Number InsertWidth Page
Modular Blade
Modular BladeNumber
Max.GrooveDepth
* Compatible with internal holders.
39
F
DC
E
B'
A
GYHR2525M00 - M25R
GY M25R A - F 20GY M25R A - F 12
GY2M0300 F 040N-MSGY2M0318 F 030N-GMz
x c
B
v
a
ASSEMBLY INSTRUCTION
(d) Wrench
(b) Wrench
(a) Insert clamp screw x 1pc.
(c) Modular blade setscrew x 5pcs.
Side screws(3 screws)
Front screws(2 screws)
Complete
Side screws(2 screws)
Long(5 holes)
Longmodular blade
(5 holes)
Short, Mediummodular blade
(4 holes)
Note 1) c and v are changed by the insert size.
Note 2) z and x should be matched. (See caption A)
Short, Medium(4 holes)
Modular Holder Modular Blade
Insert
Note 6)Don’t tighten the insert clamp screw without installing the insert, so as to prevent damage to the blade.
GROOVING (EXTERNAL / INTERNAL)
Assembly procedure for the modular type holder for external grooving
Note 7)The insert clamp screw is inclined.Ensure that the wrench is perpendicular to the screw.
Note 3)Please tighten the modular blade set screws in order of [Side screws] → [Front screws].
Note 4)Please clean the insert-seat before installing the insert.
Note 5)c and v should be matched. (See caption A)
(Ex.)
(Ex.)
(Ex.)
40
z
x
v
c
a
ED
F
CB
A
GY M20R A - F 10GY M25R A - F 12
GY2M0300 F 040N-MSGY2M0318 F 030N-GMGYDL40M90D - M20R
GYDL40M90D - M25R
(a) Insert clamp screw x 1pc.
(c) Modular blade setscrew x 1pc.
Note 1) c and v are changed by the insert size.
Modular BladeModular Holder
Insert
Assembly procedure for the modular type holder for internal grooving
(b) Wrench
(d) Wrench(Ex.)
(Ex.)(Ex.)
Complete
2 side screws
2 front screws
Short, Medium(4 holes)
Note 5)The insert clamp screw is inclined.Ensure that the wrench is perpendicular to the screw.
Note 4)Don’t tighten the insert clamp screw without installing the insert, so as to prevent damage to the blade.
Note 2)Please tighten the modular blade set screws in order of [Side screws] → [Front screws].
Note 3)Please clean the insert-seat before installing the insert.
41
GY2M0300 F 040N - MSGY2M0318 F 030N - GM
GYALooo90o - F 06
z
x
a
B
A
D
C
(b) Wrench(a) Insert clamp screw x 1pc.
Complete
Note 1) z and x are changed by the insert size.
Holder Insert
Assembly procedure for the mono block type holder for internal grooving
INSERT INSTALLATIONGROOVING (EXTERNAL / INTERNAL)
Note 4)The insert clamp screw is inclined.Ensure that the wrench is perpendicular to the screw.
Note 3)Don’t tighten the insert clamp screw without installing the insert, so as to prevent damage to the blade.
Note 2)Please clean the insert-seat before installing the insert.
(Ex.)
(Ex.)
Memo
42
2009.3.E( - )
MMC HARDMETAL POLAND SP. z o.o.Al..Armii Krajowej 61, 50-541 Wroclaw, PolandTel. +48-71335-16-20 Fax +48-71335-16-21e-mail [email protected]
MMC HARTMETALL GmbHComeniusstr. 2, 40670 Meerbusch, GermanyTel. +49-2159-9189-0 Fax +49-2159-918966e-mail [email protected]
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