RM3Excellent shouldering with 3-corner insert

Rich Mill - Multifunctional Shouldering Milling Tool▣ Multi milling tool for best results in perpendicular shouldering

▣ High rake chipbreaker for high speed and high feed machining

▣ Strong clamping force for better stability

2 KORLOY TECH-NEWS

RM3

High quality True 90° shouldering operation High productivity Strong thick insert and 3-face clamping ensure stable operation even tough conditions

High economics Long tool life due to optimized manufacturing process

Features

Facing SlottingRamping PlungingShouldering Helical cutting

Application area

Strongerclamping

3-face clamping seat

Full flat bottom seat

90°

Excellent perpendicularity

Simple screw-on system

Features of cutter

Through coolant system*Longer tool life due to direct cooling distribution to cutting edge

Features of insert

Major cutting edgeHigh rakeSharpened edge

2-step clearanceStrong clampingRigidity improvement

MAX. ap XNKT12: 12.0mm XNKT08: 8.0mm XNKT06: 5.5mm

Chip breakerHigh rake angleSmooth chip flow

Step designGood chip evacuationLow cutting force

Minor cutting edgeWiper action for better surface finish

Available radius 0.4 - 3.0 mm

* Coolant bolt sold seperately.

Wide chip pocketExcellent chip evacuation

3RM3

Cutting Performance

Performance evaluation

Workpiece 42CrMo4 (200HB) Cutting conditions vc (m/min) = 250

fz (mm/t) = 0.1 ap (mm) = 3.0 Dry

Tool Insert XNKT080508PNSR-MM PC5300 Cutter RM3PCM4063HR-M Machine Vertical M/C

Workpiece 42CrMo4 (200HB) Cutting conditions vc (m/min) = 200

fz (mm/t) = 0.1 ap (mm) = 7.0×3 pass ae (mm) = 10.0 Dry

Tool Insert XNKT080508PNSR-MM PC5300 Cutter RM3PCM4063HR-M Machine Vertical M/C

1700

1650

1600

1550

1500

Cutt

ing

load

(N)

RM3 Comp. A Comp. B

1st pass

2nd pass

3rd pass

20

18

16

14

12

10

8

6

4

2

0

Total depth (mm)

Perpendicularity (µm)

30µm

-100 -50 0 50 100

Cutting edge Features

α°= 8°

ß°=5°

True positive clearance due

to high rake angle u

excellent machinability

Carbon steel (C45, HB200)

Alloy steel (42CrMo4, HB200)

RM3

RM3

RM3

RM3

Competitor

Competitor

Competitor

Competitor

122.8

49.1

2.5 timesincrease

1500 ea

1050 ea

1.4 timesincrease

3.9 min

9.8 min60%

reduction

1.81 µm

3.29 µm45%

increase

Cutting conditions

Tools

vc(m/min) = 270 / fz(mm/tooth) = 1.0 / ap(mm) = 3.0 x 8 pass ae (mm) = 5.0 / ShoulderingInsert XNKT08508PNSR-MM PC5300 / Holder RM3PCM4063HR-M

Cutting conditions

Tools

vc(m/min) = 250 / fz(mm/tooth) = 0.125 ap(mm) = Finishing: 0.5 / Roughing: 7.0 / FacingInsert XNKT080508PNSR-MM PC5300 / Holder RM3PCM4063HR-M

P

P

Chip removal rate (cm3/min)

Workpiece (ea)

Machining time (min)

Surface roughness (RMAX)

4 KORLOY TECH-NEWS

RM3

Cutting condition for slotting and shouldering

1200

400

50.10

vc (m

/min

)vc

(m/m

in)

0.

fz (mm/Z)

fz (mm/Z)

)

230

120

0.50.1

260

180

150

vc (m

/min

)

0.60.1

90

150

0.1 0.25fz (mm/Z)

270

180

150

0.60.1

vc(m

/min

)vc

( m/ m

in)

fz (mm/ZZ)

Shouldering (ap 3mm step. Ø63)

Stainlesssteel

fz (mm/Z)

Cast Iron Aluminum

Carbonsteel

Alloysteel

220

180

vc (m

/min

)

0.1 0.12

220

180

150

vc (m

/min

)

0.1 0.12

180

150

vc (

0.1 0.12

220

180

150

0.1 0.1 2 0 .15

m/m

in)

vc( m

/min

)

fz (mm/Z) fz (mm/Z)

Slotting (ap 3mm step. Ø63)

fz (mm/Z)

fz (mm/Z)

Stainlesssteel

Carbonsteel

Alloysteel

Mild steel

Mild steel

Insert Cutting-edge Features

Aluminum MA

MM

ML

MASuperior cutting quality for aluminum due to sharp cutting-edgeand buffed surface

LightML

MM

ML

MA

Superior cutting quality for light and light cutting, difficult-to-cut material machining through the low cutting load of chip breaker

GeneralMM MM

ML

MA

Suitable for various cutting due to special shape design for general cutting

Features of chip breakers

Workpiece

P M K N

Carbon steelAlloy steel

Stainless steel Cast iron Non-ferrousup to 40 HRC up to 60 HRC

Chipbreaker

First choice MM MM MM ML ML MA

Second choice ML ML ML - MM -

Grade

High speed machining PC3600 PC3600 - PC5300 PC6510

H01General machining PC5400 PC5300 PC2505

PC2510 PC5400 PC5300

Interrupted machining PC5400 PC5400 - PC5400 PC5400

Application guideline for grade

5RM3

Cutter

Designation Image A.A. Diameter range Insert ap

Application

Faci

ng

Shou

lder

ing

Slot

ting

Copy

ing

Ram

ping

. He

lical

RM3PCM3000

90°

Ø40 - Ø80 XNKT06 XNCT06 5.5 mm ● ● ● ● ●

RM3PCM4000 Ø40 - Ø125 XNKT08 XNCT08 8.0 mm ● ● ● ● ●

RM3PCM5000 Ø80 - Ø125 XNKT12 XNCT12 12.0 mm ● ● ● ● ●

Shank

Designation Image A.A. Diameter range Insert ap

Application

Faci

ng

Shou

lder

ing

Slot

ting

Copy

ing

Ram

ping

. He

lical

RM3PS3000

90°

Ø20 - Ø40 XNKT06 XNCT06 5.5 mm ● ● ● ● ●

RM3PS4000 Ø32 - Ø63 XNKT08 XNCT08 8.0 mm ● ● ● ● ●

Modular

Designation Image A.A. Diameter range Insert ap

Application

Faci

ng

Shou

lder

ing

Slot

ting

Copy

ing

Ram

ping

. He

lical

RM3PM3000

90°

Ø20 - Ø40 XNKT06 XNCT06 5.5 mm ● ● ● ● ●

RM3PM4000 Ø32 - Ø50 XNKT08 XNCT08 8.0 mm ● ● ● ● ●

HSK Arbor typeCarbide Shank typeSteel Shank type BT / SK Arbor type

Modular Adaptors

6 KORLOY TECH-NEWS

RM3

Notice

0 5 25mm

7RM3

20190426

TN61-EN-02

KORLOYHead Office

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Head OfficeHolystar B/D, 1350, Nambusunhwan-ro, Geumcheon-gu, Seoul, 08536, Korea Web: www.korloy.com

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R & D Institute Cheongju55, Sandan-ro, Heungdeok-gu, Cheongju-si,Chungcheongbuk-do, 28589, Korea

R & D Institute SeoulHolystar B/D, 1350, Nambusunhwan-ro, Geumcheon-gu, Seoul, 08536, Korea

620 Maple Avenue, Torrance, CA 90503, USA

Ground Floor, Property No. 217, Udyog Vihar Phase 4, Gurgaon 122016, Haryana, India

Av. Aruana 280, conj.12, WLC, Alphaville, Barueri, CEP06460-010, SP, Brasil

No. 133 Le Loi street, Hoa Phu ward, Thu Dau Mot city, Binh Duong proviende, Vietnam

Ground Dongjing Road 56 District Free Trade Zone. Qingdao, China

Plot No. 415, Sector 8, IMT Manesar, Gurgaon 122051, Haryana, India

Gablonzer Straße 25-27, D-61440 Oberursel, Germany, Tel: +49-6171-27783-0, Fax: +49-6171-27783-59E-Mail: info@korloyeurope.com, Web: www.korloyeurope.com

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