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1-Saddle CNC Lathe

1-Saddle CNC Lathe - Bulmakmetal Ltdbulmakmetal.com/wp-content/uploads/2016/10/SPACE... · 1-Saddle CNC Lathe. 1 ... Okuma's LB series of NC lathes have always been pioneers, leaving

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1-Saddle CNC Lathe

1

Birth of the LB that transcends LBOkuma's LB series of NC lathes have always been pioneers,

leaving a path for others to follow behind.The LB series thus has an obligation to respond to the needs of the times, open

possibilities for the next generation, and deliver new value to customers worldwide. That means constantly developing LBs that transcend LB.

Okuma's advanced technology in its SPACE TURN EXII series continues to write new pages in world standards for machining quality, speed, power & torque,

multitasking, ease of operation, and more.

Photo includes optional specifications.

2

� Satisfaction from complete control of a machine tool

� Operator-friendly OSP-P300L

The machine against whichall others will be measured

� Application of Thermo-Friendly Concept

� Slanted-box bed construction

Highest Quality

� Equipped with new high-power, high-torque motor

� Combination of larger and faster spindle

� Large through-hole diameter, large working range

� Top rotation speed, horsepower, and torque in its class

Super Rigidity Speed

Easy Operation

� Abundant series variation

� NC tailstock standard equipment

Extreme Versatility

3

0

-5

0

5

10

2 4 6 8 10 12

Elapsed time (Hr)

OD

cha

nge

(øµm

)

14 16 18

OD dimensional change Ambient temperature change

ø5µm

8C° changeRoomtemp

Machining dimensional change

over time: ø5 m*

Actual data [LB2000 EX (L) turning] (ambient temperature: 8C° change)

Highest Quality

* ø0.0002 in.

� Cycle time: 60 sec

� Cutting conditions

� Workpiece material: BsB

X-axis travel: 60 mm3 repetitions/cycle

Spindle speed: 4,000 min-1

Cutting depth : 0.1 mmFeed : 0.05 mm/rev

4

High accuracy specifications overall assuremachining with high thermal stability

Thermo-Friendly Concept forunparalleled thermal stability

Slanted-box bed configuration withsuperior construction and rigidity

Optimized X-axis feed element

Thermal deformation minimized on Z-axis

Slanted-box bed achieves outstanding thermal stability and high rigidity

�Roundness [actual data*] �Tool nose uniformity* (for better surface roughness) [actual data*]

Material: BsBStandard spindle

Material: BsB

0.4 µm

2,500 min-1

0mm-4.0

-2.0

0.0

2.0

4.0

(µm)

1.00

0.3 µm

2.00 3.00

2,500 min-1 Outer perimeter

Okuma's Thermo-Friendly Concept is used on all the LB EX machines for extraordinary machining accuracy, using our unique machine design and thermal deformation control technology. Outstanding thermal stability in long-time continuous operation, multitasking, front and back side machining with a subspindle, and even Y-axis machining without troublesome compensation or warming up.

The next evolution of the slanted-box bed construction that has been highly praised as a "rugged, Okuma-like construction" in the SPACE TURN series. The primary units of headstock and turret on a box bed is optimally placed for outstanding thermal stability and high rigidity. Exhibits stable machining accuracy even in heavy cutting.

Heat sources eliminated and thermal deformation suppressed from the machine's construction

0.4 µm/at 2,500 min-1

� Standard spindle� Standard spindle: 0.3 µm/at 2,500 min-1

Thermo-Friendly Concept

Simple machlneconstructionSymmetrically built

Thick walls

Highly accurate control technology

(on MY machines only)TAS-C

Machine designs thatequalize ambient

temperaturesMachine covers

Peripheral equipment placementMachine “hot spots” diffused

Thermo-FriendlyConcept

* The “actual data” referred to above for this brochure represent examples, and may not be obtained due to differences in specifications, tooling, cutting and other conditions.

Super Rigidity Speed

Improved productivity: 20% shorter cycle time*

0 500 (Sec)

Turning Milling

Workpiece

6-M8, 20 deep2885

Previous machine

LB2000 EX

Non-cutting time

2.8 minutes (20% less)

14.7 minutes

11.9 minutes ø100

ø35

* Previous machine comparisonActual data

5

Spindle with a larger bearing internal diameter of ø100 mm can accommodate larger workpieces, and a turning capacity of 2.7 mm2 is achieved with a high-speed, wide-area full power motor. Stable, high quality machining, from heavy to high speed cutting.

Cylindrical, heavy-duty cutting

Drilling

Bearing ID ø100 (bore ø62)

6,000 min-1

11/7.5 kW (15/10 hp)

160 N-m (118 ft-lbf)

Integral motor/spindle—Okuma's own powerful motor—retains full power over a wide area. There are no gears or belts that can cause vibration or bending, for stable machining without chatter.

X: 25 m/min (984 ipm)

Z: 30 m/min (1,181 ipm)

3.4 sec (6,000 min-1)

0.1 sec/index

12 m/min (472 ipm)

Standard spindle High power specs Big bore spindle specs

ø100, 6,000 min-1

11/7.5 kW (20 min/cont)160 N-m (118 ft-lbf)

ø100, 6,000 min-1

15/11 kW (15 min/cont)202 N-m (149 ft-lbf)

ø120, 5,000min-1

22/15 kW (30 min/cont)427 N-m (314 ft-lbf)

Turning 2.7 mm2

(Workpiece: S45C)

� Spindle size

� Rapid traverse

� Spindle start/stop

� Turret rotate

� NC tailstock rapids

� Spindle speed

� Output

� Torque

Motor/spindle variations

Huge reduction in machining time with an original high power motor and faster machine movements

Powerful motor on the spindle gives turning capacity of 2.7 mm2

Reduced operation time achieved with higher speed machine movements

2.7 mm2 (0.0042 in.2)Cutting speed V: 120 m/min (393 fpm)Cutting depth t : 6.0 mm (0.24 in.)Feedrate f : 0.45 mm/rev (0.02 ipr)

ø30 (ø1.18) carbide insert drillCutting speed V: 150 m/min (492 fpm)Feedrate f : 0.22 mm/rev (0.01 ipr)

[Actual data*](15/10 hp)

Motor output 11/7.5 kW

ø140 flat

ø62

ø10

0

* The “actual data” referred to above for this brochure represent examples, and may not be obtained due to differences in specifications, tooling, cutting and other conditions.

6

50 100 500 1,000 5,000

500

1,000

300

100

50

10

50

30

10

5

1

660 1,600

7.5 kW (cont)

6,000

Spindle speed

50 100 500 1,000 5,000

500

1,000

300

100

50

10

50

30

10

5

1

710 1,900 6,000

Spindle speed

22 kW (30 min)

15 kW (cont)

50 100 500 1,000 5,000

500

1,000

300

100

50

10

50

30

10

5

1

51045 1,100

4,500

427 N-m (10 min)346 N-m (20 min)

Spindle speed

22.8 kW (10 min)

18.5 kW (20 min)

11 kW (20 min)160 N-m (20 min)

109 N-m (cont)

66 N-m (20 min)

45 N-m (cont)

202 N-m (15 min)

148 N-m (cont)

75 N.-m (15 min)55 N-m (cont)

15 kW (20 min)

11 kW (cont)

281 N-m (cont)

191 N-m (30 min)

130 N-m (cont) 15 kW (cont)

Torq

ue

N-m kW

Out

put

Torq

ue

N-m kW

Out

put

Torq

ue

N-m kW

Out

put

7 8

Compact, high-power, high-torque PREX motor also used for milling spindle of the multitasking V12 radial turret. This combined with a powerful, highly rigid bolt clamp system greatly increases multitasking speed.

6,000 min-1

PREX 5.5/3.7 kW (7.5/5 hp)

31.3/20.9 N-m (23/15.4 ft-lbf)

ø140 flat 6-in. chuck

8-in. chuck

10-in. chuck

JIS A2-6

0.1 sec/ index

0.4 sec (6,000 min-1)

1.2 sec

Wide working range

Max machining dia: ø430 mm (M turret: ø360 mm)

6,000 min-1

PREX 5.5/3.7 kW (2 min/cont)31.3 N-m (23 ft-lbf)

End millingChip volume 144 cm3/min (8.8 in.3/min)ø16 6-flute carbide end millCutting speed V: 100 m/min (328 fpm)Spindle speed N: 2,000 min-1

Cutting depth t : 20x6.0 mm (0.79x0.23 in.)Feedrate f : 0.60 mm/rev (0.02 ipr)

Drillingø20 carbide insert drillCutting speed V: 135 m/min (443 fpm)Feedrate f : 0.25 mm/rev (0.01 ipr)

Tapping M16 P2(Synchronized tapping)

Spindle thru hole: Bigger

Distance between centers: 300 mm

� M spindle

� Output

� Torque

� Turret rotate

� M-spindle start/stop

� M-M switch

Milling capacity 144 cm3/min(Workpiece: S45C)

Milling tool spindle

� Standard spindle

� Big-bore spindle

Greater efficiency with highest milling performance in its class and fast tool change times

Compact new PREX motor gives milling performance of 144 cm3 /min

Reduced operation time achieved with higher speed machine movements

� Standard spindle ø62 mm (ø2.44 in.)

� Big-bore spindle ø80 mm (ø3.15 in.)

[Actual data*]

* The “actual data” referred to above for this brochure represent examples, and may not be obtained due to differences in specifications, tooling, cutting and other conditions.

Out

put

Torq

ue

50 100 500 1,000 5,000

100

50

10

10

5

1

1,68045 6,000

N-m kW

5.5 kW (2 min)

31.3 N-m (2 min)

20.9 N-m (cont)

3.7 kW (cont)

Spindle speed min-1

OSP-P300L Okuma Sampling Path ControlOkuma Control

[for Lathes]

Easy Operation

As a “machine & control” builder, Okuma makes further strides in machine tool manufacturing with this superb control featuring “Easy Operation.” Okuma took a close look at the way machinists actually operate machine tools, to help them create smoother and more effective ways of producing parts. Novice operators as well as professional machinists get complete control—and satisfaction.

Satisfaction from complete controlof a machine tool

9

Virtual machine (collision check)

Machining Navi L-g (Optional)

Cutting condition search for turning

Collision Avoidance System (Optional)

Collision prevention

�World’s first “Collision-Free Machine”CAS prevents collisions in automatic or manual mode, providing risk-free protection for the machine and great confidence for the operator.

�Chatter-free applications for maximum performanceChatter is suppressed by navigating to the best amplitude and wave cycle—without decreasing spindle speed. This helps customers to boost productivity.

What you want to see and do, conveniently come together in a “single-mode operation.”First, select one of three operation screens.Then simply touch the screen or press a function key to see and do your job.

�Setup operations

�Trial/continuous cuts�Programming �Tool preparations

Fine tuning zone

Chatter graphed

10

11

Extreme Versatility

12

Y-axis

50

50

X-axis

Automation can be achieved easily with a simple mechanism in which the bucket swings and discharges workpieces outside the machine.

Up to 10 pairs of tailstock positions can be set, enabling continuous machining of workpieces with 10 different lengths without setup. In addition, thrust can be switched between high and low without resetting the workpiece. (Tailstock thrust high/low switch: option) High accuracy positioning is also possible with a high speed linear guide employing a ball screw guide.

A variety of milling operations can be accommodated with high-accuracy, wide-range Y-axis travel using a double slide system. Achieves complete multitasking with a single chucking (MY specifications).

With these sub-spindle specifications, front and back machining can be done on a single LB2000 EX .Interference is not a worry even in back face machining with a multitasking V12 radial turret(W, MW specifications).

� Tailstock thrust

� Rapid traverse

�Travel

�Y-axis rapid traverse

� Approach

� Retract

0.5 to 3 kN, 0.5 to 5 kN (DBC 500)

12 m/min (472 ipm)

10 m/min (394 ipm)

12 m/min (472 ipm)

100 mm (+50 to -50)[3.94 in. (+1.97 to -1.97)]

12.5 m/min (492 ipm)

ø100 mm (3.94 in.) 6,000 min-1

11/7.5 kW (15/10 hp) (20 min/cont)88/60 N-m (65/44 ft-lbf)

Providing rich variation and optimum ease of use

NC tailstock that shortens setup and automates center work is standard equipment

Complete multitasking with Y-axis functionsOne chuck machining even with irregularly shaped workpieces

Simple automation with parts catcher (Optional)

Integrated operations withsub-spindle

Note: Please select a hyrdraulic quill for face driver machining applications.

Sub-spindle

Ys-axis

50 100 500 1,000 5,000

100

50

10

10

5

1

2,7001,200 6,000

88 N-m (20 min)60 N-m (cont)

39 N-m (20 min)27 N-m (cont)

11kW (20 min)

7.5kW (cont)

Spindle speed min-1

Out

put

Torq

ue

N-m kW

13 14

� Chip conveyor types and application

Various chip conveyors

Optional Specs & Accessories Big-Bore spindleSpindle bearing ID ø120

JIS A2-6 45 to 5,000 min-1 Spindle motor 22/15 kW (15 min/cont)

High-power spindle 15/11 kW (15 min/cont)Chuck auto open/close confirmChuck high/low pressure switchWork stopper in spindleIn-process gauging systemTouch setter M (manual), A (auto)Revolving center: MT 4Tailstock taper: Built-in center MT 3

Built-in center MT 4 (DBC 500)Threaded center MT 3

High thrust specsLube monitor B-2, C-1, C-2Shower coolant A,BSpindle ID coolant A,BCoolant pump, 0.8 kWCoolant sludge controlCoolant detection; flow volume, levelMist collectorCoolant gunAir blow (blast; chuck, center, spindle ID, turret)Front door auto open/closeChip pan side rearChip conveyor side rear discharge L,HChip bucket L,HAir purge, double wiperBar feederBar pullerNC robotsNC loaders

�Headstock

�Chucking

�Gauges

�Tailstock

�Lubrication

�Coolant

�Air

�Shielding

�Chip handling

�Dustproofing

�Automation

Name

Application

Features

Shape

Hinge type Scraper type Magnet scraper type Hinge scraper type

�For castings

Note: Machine platform may be necessary depending on the type of conveyor. With drum filter

�Magnet scraper for sludge processing

�Easy for maintenance �Blade scraper

�For steel �For castings�For steel, castings,

nonferrous metal

�General use �Suitable with sludge �Not suitable for

nonferrous metals

�Filtration of long and short chips and coolant

Magnet

T

150 (5.91)

——

4,050 (8,910)

C x 300

300 (11.81)

300 (11.81)

415 (16.34)

4,200 (9,240)

C x 500

490 (19.29)

500 (19.69)

510 (20.08)

515 (20.28)

2,250 x 1,734 (89 x 68)4,850 (10,670)

50 to 6,000Infinitely variable x 2 auto ranges (motor coil switching)

ø140 flatø62/ø100 (ø2.44/ø3.94)

X: 25, Z: 30 (984, 1,181)—

30 (1,181)

11/7.5 (15/10) (20 min/cont)

—2.8 (3.7)

1,839 (72)2,740 x 1,734 (108 x 68)

4,600 (10,120)

ø580 (ø22.83)ø470 (ø18.50)

260 (10.24)

50 to 6,000 <45 to 5,000> Infinitely variable x 2 auto ranges (motor coil switching)

ø140 flat <JIS A2-6> ø62 <ø80> /ø100 <ø120> (ø2.44 <ø3.15> /ø3.94 <ø4.72> )

�20 (3/4)ø32 (ø1-1/4)

0.1

0.001 to 1,000.000 (0.00004 to 39.37)

11/7.5 (15/10) (20 min/cont) [15/11 (30/15) (15 min/cont)] <22/15 (30/20) (15 min/cont)>

Side discharge: 0.25 (0.34), Rear discharge: 0.8 (1.08)

OSP-P300L

LB2000 EX (MY)

ø360 (ø14.17)

100 (+50 to -50) (3.94 (+1.57 to -1.57))360 (0.001 increments)

————

M-V12 NC turretL / M: 12

45 to 6,000Infinitely variable

X: 25, Z: 30, Y: 12.5 (984, 1,181, 492)

—200

—5.5/3.7 (7.5/5) (2 min/cont)

X: 3.5 / Z: 4.6, Ys: 3.5 (4.7/6.2/4.7)

2,250 (88)

350 (13.78)

1,985 x 1,734 (78 x 68)

12 (472)

MT 4 (revolving center)

2.9 (3.9)

: Big-Bore spindle specs*1. DBN: Distance between nose

LB2000 EX (MW)

791 (31.14)ø360 (ø14.17)

550 (21.65)—

360 (0.001 increments)

M-V12 NC turretL / M: 12

45 to 6,000Infinitely variable

200

5.5/3.7 (7.5/5) (2 min/cont)X: 2.8 / Z: 3.5 (3.8/4.7)

LB2000 EX (W)

791 (31.14)ø430 (ø16.93)

565 (22.24)——

V12 NC turretL: 12

——

—X: 2.8 / Z: 3.5 (3.8/4.7)

[ ]: High-power spindle specs

Machine Specifications

Capacity

Travels

Spindle

Sub-spindle

Turret

Milling tool

Feedrates

Tailstock

Motors

Machine size

CNC

Swing over bedSwing over saddleDistance between centers (W specs: DBN)*1

Max turning diaMax work lengthX axisZ axisY axisC axisSpindle speedSpeed rangesSpindle noseSpindle bore dia / Front bearing diaSpindle speedSpeed rangesSpindle noseSpindle bore dia / Front bearing diaTypeNo. of toolsOD tool shankID tool shank diaTurret rotationSpindle speedSpeed rangeRapid traverseTailstock rapidsRapid traverse (W)Rapid traverse (C)Cutting (X-Z-Y)Tapered bore type (revolving center)Quill travelMain spindleSub-spindleMilling tool spindleAxis driveTailstock travelSub-spindle travelCoolant pumpHeightFloor spaceWeight (w/ CNC)

ModelItemT

150 (5.91)

––

3,250 (7,150)

LB2000 EX (L)

ø430 (ø16.93)

––

V12 NC turretL: 12

––

––

––

C x 500

540 (21.26)

500 (19.69)

565 (22.24)

515 (20.28)

2,200 x 1,734 (87 x 68)4,300 (9,460)

C x 300

300 (11.81)

300 (11.81)

415 (16.34)

3,400 (7,480)

ø580 (ø22.83)ø470 (ø18.50)

260 (10.24)

50 to 6,000 [45 to 5,000]Infinitely variable x 2 auto ranges (motor coil switching)

ø140 flat <JIS A2-6>ø62 <ø80> /ø100 <ø120> (ø2.44 <ø3.15> /ø3.94 <4.72>)

––––

20 (3/4)ø32 (ø1-1/4)

0.1

X: 25, Z: 30 (984, 1,181)

0.001 to 1,000.000 (0.00004 to 39.37)

11/7.5 (15/10) (20 min/cont) [15/11 (20/15) (15 min/cont)] <22/15 (30/20) (15 min/cont)>

X: 2.8 / Z: 3.5 (3.7/4.7)

Side discharge: 0.25 (0.34), Rear discharge: 0.8 (1.08)1,839 (72)

OSP-P300L

390 (15.35)

1,945 x 1,734 (77 x 68)

12 (472)

MT 4 (revolving center)

2.9 (3.9)

12 (472)

MT 4 (revolving center)

2.9 (3.9)

390 (15.35)

1,945 x 1,734 (77 x 68)

T

150 (5.91)

––

3,250 (7,150)

LB2000 EX (M)

ø360 (ø14.17)

–360 (0.001 increments)

M-V12 NC turretL / M: 12

45 to 6,000Infinitely variable

–200

–5.5/3.7 (7.5/5) (2 min/cont)

C x 500

500 (19.69)

565 (22.24)

515 (20.28)

2,200 x 1,734 (87 x 68)4,300 (9,460)

C x 300

300 (11.81)

415 (16.34)

3,400 (7,480)

300 (11.81)

mm (in.)mm (in.)mm (in.)mm (in.)mm (in.)mm (in.)mm (in.)mm (in.)

degmin-1(rpm)

mm (in.)min-1(rpm)

mm (in.)

mm (in.)mm (in.)

sec/indexmin-1(rpm)

infinitely variablem/min (ipm)m/min (ipm)m/min (ipm)

min-1(rpm)mm/rev (ipr)

mm (in.)kW (hp)kW (hp)kW (hp)kW (hp)kW (hp)kW (hp)kW (hp)mm (in.)mm (in.)

kg (lb)

Standard Specifications & Accessories ModelSpecifications

Spindle

Sub-spindle

Turret

Milling tool(2 min/cont)Tailstock

Standardaccessories

Standardaccessories

CNC

T

T

C x 300 C x 500W

V12 bolt clamp

MW

M-V12 radial45 to 6,000 min-1

PREX 5.5/3.7 kW

ø140 flat 50 to 6,000 min-1

11/7.5 kW (15/10 hp) (20 min/cont)

Chuck auto open/close confirm (main/sub)Chuck air blow (main/sub)

Chuck open/close during spindle rotation

LC x 300

V12 bolt clamp

C x 500M

––

MY

ø140 flat 50 to 6,000 min-1

11/7.5 kW (15/10 hp) (20 min/cont)

NC indexing

Coolant system (water soluble)Work lamp (LED)

Full enclosure shieldingJack screws, foundation washers

Hand toolsDoor interlock (standard)

Lube monitor (A-1 + oil source pressure detector)

OSP-P300LNC operation panel, 15-in. color TFT (touch panel)

Program storage; over 2 GBOperation buffer; over 2 MB

NC travelDead quill MT 4

M-V12 radial45 to 6,000 min-1

PREX 5.5/3.7 kW (7.5/5 hp)NC travel

Dead quill MT 4NC travel

Dead quill MT 4

T

C x 300 C x 500

LB2000 EX

15 16

Tooling System

LB2000 EX (L)

ID Turning OD Turning

Chucking Kit Chuck table

Chuck

Drive

E Kit : *2Hollow 6 in.B-206-01SS1243

BB Kit : *1Hollow 6 in.B-206-01SS1452

D Kit : *3Hollow 8 in.B-208-01SS1452

LB2000 EX (MW)

LB2000 EX (W)

LB2000 EX (M/MY)Mill/Drill

Turning

Mill/Drill

Turning

ID TurningOD Turning

� Commercially available items

* Select an ID oil-hole toolholder base (optional) for oil-hole drills and boring bars. (LB200 same tooling)

� Boring bar shank diameters

ø 8ø10ø12

ø16ø20ø25

ø5/16ø3/8ø1/2

ø5/8ø3/4ø1

Boring bar sleevesBS 8-H32BS 10-H32BS 12-H32

BS 16-H32BS 20-H32BS 25-H32

� DrillMT 1MT 2MT 3

Drill sleeve DS MT 1-H32DS MT 2-H32DS MT 3-H32

ID-H32*� Boring bar ø32(ø1-1/4)

V12 turret(360 across flats)

(14.17)

OD-

� OD tool shank20 x 20

(3/4 x 3/4)

OD-

� Boring barø20 (ø3/4)

� Boring bar ø32 (ø1-1/4)

Boring bar sleeves

Boring bar sleevesDS MT 1-H32DS MT 2-H32DS MT 3-H32

Drill sleeves

BS 8-H20BS 10-H20BS 12-H20BS 16-H20

BS 8-H32BS 10-H32BS 12-H32

BS 16-H32BS 20-H32BS 25-H32

ID- -S(H20)(ID: main) (OD: sub)

ID- -S(H20)(ID: main, sub)

ID- -S(H20)(ID: main, sub)

ID- -S(H32)(main)

V12 turret(360 across flats)

(14.17)

� Commercially available items

* Select an ID oil-hole toolholder base (optional)for oil-hole drills and boring bars.(LB200-W same tooling)

OD- -S(OD, grooving: main)

OD- -S(End: main, sub)

OD- -S(OD: main, sub)

OD- -S(OD: main, sub)

OD- -SStopper (main) OD (sub)

Drill sleeves DS MT 1-H32DS MT 2-H32DS MT 3-H32

Boring bar sleevesBS 10-H32BS 12-H32BS 16-H32

BS 20-H32BS 25-H32

� Boring bar ø32

OD-

OD-

ID-H32

V12 turret(340 across flats)

(13.39)

Axial mill/drill unit

Dummy holder

Radial mill/drill unit

� Colletsø4, 5, 7, 8, 11, 12, 13, 14,

15, 16, 17, 18, 19, 20

� Commercially available items

* Select an ID oil-hole toolholder base (optional)for oil-hole drills and boring bars.(Not compatible with LB200-M)

Drill sleevesDS MT 1-H32DS MT 2-H32DS MT 3-H32

Boring bar sleevesBS 10-H32BS 12-H32BS 16-H32

BS 20-H32BS 25-H32

� Boring bar ø32 (ø1-1/4)

ID-H32-S

ID-H32-S (W)

OD- -S (W)

OD- -S (W)

main

sub

V12 turret(340 across flats)

(13.39)

Axial mill/drill unit

� Colletsø4, 5, 7, 8, 11, 12, 13, 14,

15, 16, 17, 18, 19, 20

(back application possible)

Dummy holder

Radial mill/drill unit

* Select an ID oil-hole toolholder base (optional)for oil-hole drills and boring bars.(Not compatible with LB200-M)

� Commercially available items

ModelSpecifications

Chuck

DriveSub-spindle chuckSup-spindle driveSoft jaws, ASoft jaws, BHard jawsOD-IOD-IIOD-I-SOD-II-SOD-III-SOD-IV-SID-H32ID-I-S (H32)ID-II-S (H20)ID-III-S (H20)ID-H32-S (main)ID-H32-S (sub)DS MT No.1-H32DS MT No.2-H32DS MT No.3-H32BS 8-H32BS 10-H32BS 12-H32BS 16-H32BS 20-H32BS 25-H32BS 12-H20BS 16-H20Axial mill/drill unitRadial mill/drill unitDummy holderRevolving center*MTNo.4

LB2000 EX

Std ChuckingKit

Solid 6 in.N-06

Y1020

LStd Tooling

Kit

42

6

1

22

ChuckingKit

BB kit : *1E kit : *2 D kit : *3

53163

6

11

222222

MChucking

KitBB kit : *1E kit : *2 D kit : *3

53162

3

1

22222

2231

Std ChuckingKit

Solid 6 in.N-06

Y1020

WSub Chucking

Kit

Hollow 6 in. B-206SS1243

Std ToolingKit

2221

421

1

22

12

MWTooling

Kit

31

32

222

223

Chucking Kit / Tooling Kit

MY kit specs not available.* MT 4; not available for T model specifications

*1, *2, *3 cross-referenced for these two tables.

260st.100170

ø580ø200

ø225

ø180

ø225 280

ø32

ø235

ø220

ø265

705

75 ø210

ø195

ø245

75 25

80

27

27

ø240

70

260st.90

75

170

ø570ø230

ø175

ø210

ø195

ø220

ø254

ø235

ø235ø220

ø20

ø20

280 70

705

75

25

6765

132

70

260st.130170

50 55

ø580

7525

8014

7

67

27

ø32

ø185

ø215

ø185ø220

ø220

ø180

ø220

ø32

70755 70

2555

3085

11525 90

ø32

ø200

ø235

ø170

ø205

ø230

ø185

100

25100

ID-H32

ID-H32

ID-H32

4.6

9.2

Max. swing dia ø634634

Max. swing dia ø634 Max turning dia ø360

Spindlecenter

6

3.5

5853.5

16.8

12.2

Max turning dia ø360

Spindlecenter

Max. swing dia

Max. swing dia ø604604

Max. swing dia ø604

Max turning dia ø360

Max. swing dia ø634

Max. swing dia ø634

4.6

9.2

3.5 6

Axial mill/drill unit

Axial mill/drill unit

Axial mill/drill unit

Radial mill/drill unit

Radial mill/drill unit

OD-I

OD-II

OD-II

OD-I

OD-II

OD-I-S

Spindlecenter

Max turning dia ø430

ID-H32

OD-I

OD-II 260st.

260 st.

OD-I-S

OD-III-S

ID-III-S (H20)

Spindle centerSpindle center

Max

turn

ing

dia

ø430

ID-II-S (H32)

OD-II-S

OD-V-S

ID-IV-S (H20)ID-II-S (H20)

Max

. swing

dia

Max

. swing

dia

ø634

634

Max

. swing

dia

ø634

Max turning dia ø430

Max

. swing

dia

ø634

Max

. swing

dia

ø634

Spindle center

Max

turn

ing

dia

ø430

155 105

420180 85

ø220

ø210

ø210

ø32

ø240

ø200

ø230

65

6035

25

80

ø580

60

60

ø210

ø210ø2

0

ø230

ø210ø2

20

ø200

3446

60

17 18

LB2000 EX (W)

LB2000 EX (M)

LB2000 EX (MY)

LB2000 EX (MW)

LB2000 EX (L)

Tool Interference Drawings

ø170

ø170

420180

25

25215 45

ø180ø180

25 4020

6

40

25

ø32

ID-H32-S

OD-I ID-H32

OD-I ID-H32

OD-I Axial mill/drill unit

OD-I Axial mill/drill unit

Working Ranges

Tailstock retract limit191

MA

X42

0(M

IN16

0)

MA

X42

0(M

IN16

0)

MA

X45

0(M

IN19

0)

MA

X45

0(M

IN19

0)

MA

X42

0(M

IN16

0)

MA

X42

0(M

IN16

0)

415Tailstock travel

Turret rotation center Turret rotation center

390 (Z-axis travel)

X-axis travel

765

ø70

4254830

1052976

5

177

11120

283703

134256177

52 6210

200

6026

0

220

180

1525

205

180

764

25

425390 (Z-axis travel)

X-axis travel

4831

1052976

5262

215

260

45

177(390)

703

415Tailstock travel171

282111

20

Tailstock retract limit191

64.2 20143.8

467.1 20860

Tailstock retract limit183.2

97.9842

222

155

197

565 (Z-axis travel)63848

69

10576 29

25

198

4 76

515 (Tailstock travel)

260

(X-a

xis

trav

el)

62

565 (Z-axis travel)

515 (Tailstock travel)

638 7648

260

(X-a

xis

trav

el)

200

60

68 510576 29

70.2 205

143.8183.2

220

180

60

2515

421 144 209842

Tailstock retract limit

60

3010576 29

X-axis travel

390 (Z-axis travel)

446

177214

703176

415 (Tailstock travel)177

5

283111

20 Tailstock retract limit191

ø70

52 62

2575

170

270

125 (

Tool

length

) 215

100

260 18

080

48

10

446390 (Z-axis travel)

X-axis travel10576 29

48

43 13100

177(390)

703

415 (Tailstock travel)202

313111

20

Tailstock retract limit191

6252

240

170

70

260 21

050

Same with or w/o revolving center and release nut

210

50

60

95.2 20183.2 143.8

491 74 239842 60

1343659 10048

3810576 29 24

0

170

70

260

(X-a

xis

trav

el)

180

80

60 74

659 1004868 5 21

10576 29 27

0 170

7525

70.2 205

143.8183.2361 204 209

842 60

260

(X-a

xis

trav

el)

Turret rotation center

Turret rotation center

MA

X45

0(M

IN19

0)

565 (Z-axis travel)

515 (Tailstock travel)Tailstock retract limit

125 (

Tool

length

)

Turret rotation center

MA

X45

0(M

IN19

0)

565 (Z-axis travel)

515 (Tailstock travel)Tailstock retract limit

Turret rotation center

Turret rotation center

Turret rotation center

LB2000 EX (L) ×300

LB2000 EX (L) ×500

LB2000 EX (M) ×300

LB2000 EX (M) ×500

19 20

550 (Z-axis travel)

791606

1052976

48100

5 21152

5

26 59

231

29 76

30 152120

137550 (Z-axis travel)

4135976

14510

5 (M

ax su

b to

l leng

th)

ø169

2575

170

270

180

260

(X-a

xis

trav

el)

80

595 (Sub-spindle st.)

Sub-spindleretract limit

285 Cross slide width

10576 29

48

550 (Z-axis travel)606

791

156 56

100

56 156

231 285 Cross slide width

6012 3

29 76

2976595 (Sub-spindle st.)

550 (Z-axis travel)413137

120212

Sub-spindleretract limit

145

7017

0

5021

026

0 (X

-axi

s tra

vel)

240

212

565 (Z-axis travel)

X-axis travel

63879148

105

76 29

148

76

714 5

44 31 9860

5

ø20

42

7629

11376

252595 (Sub-spindle st.)

3134469120

226

180

4634

15

140

145

Sub-spindleretract limit

260

194

160

100

66

285 Cross slide width

565 (Z-axis travel)

X-axis travel

105

48

76 29

638791

76

805

4

143 285 Cross slide width

42

7629

6876

313595 (Sub-spindle st.)

25268 90120

260 15

510

5

89.5

2560

180

265

140

145

Sub-spindleretract limit

ø169

260 17

090

280

8011

035

3429

5 121

606

10576

70

296 X-axis travel

510 (Z-axis travel)

841289.3

182.2220.7 261

5

143.8122.2

60

515 (Tailstock travel) Tailstockretract limit

170

100

260 21

050

X-axis travel

60648

10576

40

29

510 (Z-axis travel)100

158

240

170

70

842183.2 143.8

292488 22

60515 (Tailstock travel)

X-axis travel

260 21

050

170

7024

0

398 1004856350 (Z-axis travel)

105876 29

361350177 191111

703

415 (Tailstock travel)20 Tailstock retract limit

260 18

080

170

100

270

8025

3429

398 100

121

48

10576 29

522

331173177177

225191111

703

X-axis travel

350 (Z-axis travel)

415 (Tailstock travel)20

5Tailstock retract limit

MA

X45

0(M

IN19

0)

Turret rotation center

MA

X45

0(M

IN19

0)

Turret rotation center

Tailstockretract limit

MA

X45

0(M

IN19

0)

Turret rotation centerM

AX

450

(MIN

190)

Turret rotation center

MA

X42

0(M

IN16

0)

Turret rotation center

MA

X42

0(M

IN16

0)

Turret rotation center

MA

X45

0(M

IN19

0)

Turret rotation center

MA

X45

0(M

IN19

0)

Turret rotation center

OD-I Axial mill/drill unit

OD-I Axial mill/drill unit

OD-IV-S ID-III-S

OD-I Axial mill/drill unit

LB2000 EX (MY) ×300

LB2000 EX (MY) ×500

LB2000 EX (W)

LB2000 EX (MW)

Floor Space

With a mere 3.2 m2 (34 ft2) required for installation, workpieces of up to ø430 x 300 mm (16.93 x 11.81 in.) can be accommodated. This enables maximum use of limited factory space.

Small machine footprint of 3.2 m2 for effective use of plant floor space.

Photo includes some optional specifications.1,855mm (73 in.)

1,734mm (68 in.)

Energy-savings from PREX motorPREX motor developed by Okuma eliminates rotor winding and achieves small size and efficiency.High output, low heat generation spindle drive system is used.

�Energy efficiency 5% increase �Energy efficiency 10% decrease

In environments with normal temperature changes, machining accuracies equivalent to those in

temperature-controlled rooms are achieved.

As long as the operator is comfortable, there is no need for air conditioning to ensure accuracy.

Environmental economic benefits of Okuma’s Thermo-Friendly Concept

�Uses PREX motor·Energy-saving control during

no-load turning

·Lightweight, low inertia, etc.

�High-performance single CPU configuration

�Energy savings from simple design

�Energy-saving display device

Energy-saving servo, NC units

�Power-saving functionPeripheral device power shutoff after completion of automatic operation

·Spindle cooler, etc.

Energy-saving function

�Amount of energy consumed for temperature-controlled room

per year Savings of approximately 135,000 kWh Prevents CO2 emissions equivalent to about 7,500 beech trees

(compared with previous model) (compared with previous model)

*1. Calculations are examples only, and may differ from actual circumstances. Temperature-controlled room capacity: 10 m x 10 m x H3 m ±2°C *2. Monozukuri: Making things—better than ever

Thermo-Friendly Concept

Energy-saving function Energy-saving technology

Ecology & EconomyMachines and technology to achieve eco-friendly "monozukuri" *2

(*1)

21 22

Deep hole synchro tapping Real 3-D simulation (Optional)

Part shape

Hi-tech Okuma mechatronics for advancedmachining applications

� �

� Easy programming of machining know-how � Live-performance machining

� Part program create

� Advanced run

Actual speed

Sp

ind

le s

pee

d

Commanded speed

Time

410

ø23

L/D = 18 is machined without steady

Spindle override change

Chatter eliminatedChatter occursChatter eliminated from next cut

estr

Dep

th o

f cut

Am

ount

of w

ithd

raw

al

Bottomface positionface position

Processedit

Solid view

Continuous run Mid-cycle start (finishing repeated)

Individual run(machining repeated with this tool only)

Reduce machining chatter Good threads from the first pieceFeed axis perfectly synchronized with changing spindle speeds.Thread pitch accuracy is maintained even if the spindle speedchanges during threading. Cutting conditions without chatter canbe found by using spindle override during threading.As a result, you get good quality threads from the first piece.

Holds down machining chatter as spindle speed is periodicallychanged and resonance points change, when cutting large,thin workpieces or small-diameter, long workpieces.

Cutting is divided into multiple cuts by simply designating depth ofcut, amount of relief, and amount of withdrawal, and tool damagefrom chip clogging is prevented. In addition, if overload is detectedduring synchronized tapping, machine returns to machining startpoint with synchronized feed and stops with alarm.

Returns to machining start point when totaldepth of cut reaches amount of withdrawal.

Am

ount

of r

elie

f

In all operating modes (auto, MDI, manual, etc), the cuttingconditions are displayed in real time. Switching betweensolids, section views, transparent models, and performingmachining simulation (dry runs with the machine locked)lets you check part program accuracy.

Autoprocessdecide

Machining process

Advancedrun

Part programcreate

Part program

N0100 G97 S413 M41 M03 M08N0101 G00 X108 Z105.2 T010101N0102 G96 S140N0103 G85 N0104 D8 F0.35 M85N0104 G83N0105 G01 X50.4 Z100N0106 X100 :

After simple cutting data inputs (interactively), the required machining processes are determined and a part program is created(automatically).

To run the machine directly from the interactive part program screen.When a problem is detected it can be quickly corrected and checked, speeding up first part machining.

Directly change cutting conditions foreach process with this process sheet

Tables make it easy to make mid-cycle orindividual process starts

Harmonic spindle speed control (Optional) Interactive operations Advanced One-Touch IGF-L (Optional)Variable spindle speed threading (Optional)

23 24

LB2000 EX (L / M) Specifications✕500 LB2000 EX (MY) Specifications✕500

Spindle fan

Hydraulic unit

1,19

470

454

0

500

Space for sidetank removal

NC

(585

)

910 1,290

64272063

1,700Space for rear chipconveyor removal

168 (336)

Chip conveyor(rear discharge)(option)

Chip bucket(option)

700

(1,0

00)

865

(1,3

63)1,

839

1,77

069

1,05

072

0

1,734

2,599 (2,999)

414

250

1,320

865 (1,265)

615 (1,015)

697 (929)

600(800)

V12 turret Operation panel TailstockChip conveyor(side discharge)(option)

Chip bucket(option)Lube tank

500

2,200

20

53

3,160 (3,650)

600(800)

2,290

38 (274)

70 (1

,000

0)

891

(1,4

35)

Maintenancespace

Headstock

Hyd chuckpressure valve

Coolant pump (side)

870 (1,360)

960 (1,450)

922 (1,176)

Maintenancespace

Lube tank

TailstockV12 turret

Headstock

Hyd chuckpressure valve

Coolant pump (side)

Operationpanel

600(800)

53

(option)

Chip conveyor(side discharge)

Chip bucket(option)

70 (1

,000

0)

89 (1

,435

1)

3,160 (3,650)

20

500

2,2902,200

38 (274)

960 (1,450)870 (1,360)

922 (1,176)

(option)

Chip conveyor(rear discharge)

Chip bucket(option)

(585

)Space for rear chipconveyor removal

Spindle fan Door open

Hydraulic unit

Coolant pump (rear)

1,05

01,

200

2,25

0

704

540

500

1,19

4

700

(1,0

00)

61(1,0155)

697 (929) 168 (336)865 (1,265)

2,599 (2,999)

1,734

865

(1,3

63)

600(800)

2,250913

720414 1,320

642

63

1,337

1,700

250

Space for sidetank removal

NC

Coolant pump (rear)

Door open

LB2000 EX (L / M) Specifications✕300 LB2000 EX (MY) Specifications✕300

LB2000 EX (W / MW) Specifications

Dimensional Drawings

( ) dimensions for H chip conveyor (High)

Dimensional Drawings

( ) dimensions for H chip conveyor (High)

1,945

1,855 960 (1,450)

600(800)

891

(1,4

35)

700

(1,0

00)

500

Maintenancespace

870 (1,360)

905 (1,158) 55 (292)

Headstock

V12 turret Operation panel

Tailstock

Chip bucket

(option)

Lube tankHyd chuckpressure valve

Coolant pump (side)

90 53

Chip conveyor(side discharge)

(option)

500

414Space for sidetank removal 1,320

1,734

2,599 (2,999)

1,83

91,

770

1,05

072

0

69

Space for rear chipconveyor removal

Chip bucket

Chip conveyor(rear discharge)

(option)

(option)

168 (336)697 (929)

865 (1,265)

600(800)

250615

(1,015)

700

(1,0

00)

865

(1,3

63)

1,700

Spindle fan653 527.6

Door open

Coolant pump (rear)

Hydraulic unit

805

599

1,32

0

540

780

414

1,050

NC

63

Chip bucket(option)

891

(1,4

35)

700

(1,0

00)

Operation panel

V12 turret

Headstock Lube tank

830 (1,320)

905 (1,158)870 (1,360)

55 (292)

Maintenancespace

Tailstock

Hyd chuckpressure valve

Coolant pump (side)

1,985500

13053

1,855 960 (1,450)

1,945

(option)

Chip conveyor(side discharge)

600(800)

Space for sidetank removal

865

(1,3

63)

700

(1,0

00)

Chip bucket(option)

1,734

1,700

2,25

01,

050

1,20

085

1.6

414 1,320

250

2,599 (2,999)865 (1,265)

697 (929) 168 (336)

615(1,015)

500

Space for rear chipconveyor removal

(option)

Chip conveyor(rear discharge)

600(800)

Hydraulic unit

NC

1,32

059

941

478

054

0

653 527.6

Spindle fan

Coolant pump (rear)

805 1,050 130

Door open63

700

(1,0

00)

891

(1,4

35)

Sub-spindleV12 turret

Headstock

100

450

Maintenancespace

2,640 870 (1,360)

922 (1,176) 38 (274)

600

Operationpanel

Lube tankHyd chuckpressure valve

Chip conveyor (side discharge)(sub-spindle)(option)

(option)Chip bucket

90 53

960 (1,450)2,550

3,610 (4,100)

Hyd chuckpressure valve

Coolant pump (side)

1,77

01,

050

700

(1,0

00)

865

(1,3

63)

720

414 1,320 697 (929)

615(1,015)250

1,700Space for rear chipconveyor removal168 (336)

1,7342,599 (2,999)

865 (1,265)

Chip bucket(option)

Chip conveyor(rear discharge)(option)

600(800)

1,012

804

1,32

0 (5

85)

500 714

NC

Spindlecooler

Space for sidetank removal

641.669

100

540

780

1,290 Coolant pump (rear)

Hydraulic unit

Spindle cooler(Sub-spindle)

Door open

414

Externalprogramselections

Optional Specifications

A simple function key operation is all it takes to shift a zero offset to either the left or right end of a workpiece. The required zero offset will be calculated automatically based on jaw and workpiece lengths. (when the tool offset is set with reference to the turret tool mounting surface)

Templates like this make it easy to set required jaw shape, tool, and cutting conditions.

Part programming not required to do this.

Easy Operation

OSP-P300L Okuma Sampling Path Control

Operation screen split into four displays

Forming soft jaws Zero offsets

Simultaneous display includes setup work, current position needed in confirming movement in trial machining, NC program, and graphic simulation.

Tool registration

Register data for all of your tools. Since the registered tool data is also used by Okuma auto programming (Advanced One-Touch IGF) and a collision check function (Collision Avoidance System), this screen will complete the entire registering process.

When loading a tool in the machine, simply select it from among the registered tools.ATC manual operation does not require inputting the tool number. Just select the tool from the list and press the function key.

Okuma Control[for Lathes]

� OSP-P300LBasic Specs

Operations

Communications/NetworksHigh speed/accuracy

Turning: X, Z simultaneous 2-axis, Multitasking: X, Z, C simultaneous 3-axisOSP full range absolute position feedback (zero point return not required)8-digit decimal, ±99999.999 to 0.001 mm (±3937.0078 to 0.0001 in.),0.001˚ Decimal:1 µm, 10 µm, 1 mm (0.0001,1 in.) (1˚, 0.01˚, 0.001˚)Override: 0 to 200%Direct spindle speed commands (S4) override 50 to 200%Constant cutting speed, optimum turning speed designateTool selection: 32 sets, tool offset: 32 sets15-inch color display operational panel, touch panelAutomatic diagnostics and display of program, operation, machine, and NC system problemsProgram storage: 2 GB, operation buffer: 2 MBProgram management, edit, multitasking, scheduled programs, fixed cycles, special fixed cycles, tool nose R compensation, M-spindle synchronized tapping,fixed drilling cycles, arithmetic functions, logic statements, trig functions, variables, branch statements, auto programming (LAP4), programming help“Single-mode operation” to complete a series of operationsAdvanced operation panel/graphics facilitate smooth machine controlMDI, manual (rapid traverse, manual cutting feed, pulse handle), load meter, operations help, alarm help, sequence, return, manual interrupt & auto return, threading slide hold, data I/O, chuck open/close during spindle rotation, spindle orientation (electric)Machining Management: machining results, machine utilization, fault data compile & report, external outputUSB ports, Ethernet, RS232C interface (1 channel)Hi-G control

ControlPosition feedbackMin / Max inputs

FeedSpindle control

Tool compensationDisplaySelf-diagnosticsProgram capacityPrograming

Easy Operation

MachineoperationsMacMan

Standard Specifications

3D

E D E D E D E D

OT-IGF OTMNMLItem

Kit Specs *1

New Operations

Programming

10 sets

50 sets

100 sets

Tool compensation 64 sets

Tool compensation 96 sets

Tool compensation 200 sets

Tool compensation 999 sets

Work coor-dinate systemselect

Tool compen-sation(Std: 32 sets)

Advanced One-Touch IGF-L *2

Advanced One-Touch IGF-L Multitasking *2

Circular threading

Program notes

User task 2 I/O variables, 8 ea

Common variables 1,000 sets (Std: 200 sets)

Thread matching (spindle orientation required)

Threading slide hold (G34, G35)

Variable spindle speed threading (VSST)

Inverse time feed

Spindle synchronized tapping (rigid tapping)

Helical cutting (within 360 degrees)

Real 3-D simulation

Cycle time over check

Load monitor (spindle, feed axis)

Load monitor no-load detection (load monitor ordered)

Tool life management

Tool life warning

Operation end buzzer

Chucking miss detection

NC operation monitor (counter, totaling)

NC work counter (stops at full count with alarm)

Status indicator (triple lamp) Type C [Type A, Type B]

In-process work gauging

Z-axis automatic zero offset by touch sensor

C-axis automatic zero offset by touch sensor

Gauge data output

Post-processwork gauginginterface

Touch setter [M, A]

Monitoring

Count only

Cycle stop

Start disabled

Power ON

Spindle rotation

NC operating

Milling machinespecs

Coordinate convert

Profile generate

Flat turning

3-dimensional coordinate conversion

Work counters

Hour meters

Measuring

File output

Set levels (5-level, 7-level)

BCD

RS-232-C (dedicated channel)

Included in machine specs

Included in machine specs

Included in machine specs

ItemKit Specs *1 OT-IGF OTMNML 3D

DE D E D E DE

External Input/Output and Communication Functions

Automation/Untended Operation

High-Speed/High-Accuracy Functions

Other Functions

Additional RS-232-C channel

2 channels (Std 1 channel)

DNC link

USB (additional)

Auto power shutoff MO2, alarm

Warmup function (by calendar timer)

Tool retract cycle

Okuma loader (OGL) interface

Third party robot

and loader

interface *3

Bar feeders

Cycle timereduction *3

1/10 µm control *3

Pitch error compensation

AbsoScale detection *3

Hi-Cut Pro

Super-NURBS

Collision Avoidance System (CAS)

One-Touch Spreadsheet

Machining Navi L-g

Harmonic spindle speed control (HSSC)

Spindle dead-slow cutting

Spindle speed setting

Spindle S command 0.1 min-1

Manual cutting feed

Spindle power peak cutting

Short circuit breaker

External M signals [2 sets, 4 sets, 8 sets, ( )]

Edit interlock

OSP-VPS (Virus Protection System)

DNC-T3

DNC-C/Ethernet

DNC-DT

2 additional ports possible

A (pushbutton) 8 types

B (rotary switch) 8 types

C (digital switch) BCD, 2-digit

C2 (external input) BCD, 4-digit

Type B (machine)

Type C (robot and loader)

Type D

Type E

Bar feeder

Interface only

Operation time reduction

Chuck open/close during spindle rotation

Tailstock advance/retract during spindle rotation

Linear axis

Linear axis + rotary axis

Included in machine specs

Including loader specs

*1. NML: Normal, 3D: Real 3D simulation, OT-IGF: One-Touch IGF, OTM: One-Touch M

E: Economy, D: Deluxe

*2. Real 3-D Simulation included

*3. Engineering discussions required.

Note: Triangle items for M function (milling tool) machines only.

25 26

This product is subject to the Japanese government Foreign Exchange and Foreign Trade Control Act with regard to security controlled items; whereby Okuma Corporation should be notified prior to its shipment to another country.

, OGUCHI-CHO, NIWA-GUN, AICHI 480-0193, JAPAN • TEL (0587) 95-7825 • FAX (0587) 95-6074

To protect your factory and equipment from fire and assure continued safe operation, observe the following fire safety precautions whenever you operate machinery. Whenever possible, avoid the use of oil-based coolants for cutting operations. Sparks caused by hot chips, tool friction, and grinding can cause fires. Always observe the following safety measures to ensure safe operation when machining flammable materials or when performing dry machining.

Before machining any material designated by law as a flammable substance, e.g., plastic, rubber, wood, acquaint yourself with the special characteristics of the material in terms of fire prevention, and observe the precautions given in (2) above to ensure safe operation. Example: When machining magnesium, there is a danger that magnesium chips and water-soluble coolants will react to produce hydrogen gas, resulting in an explosive fire if any chip should ignite.

Dry machining is a fire hazard because workpieces, tools, and chips are not cooled. To ensure safe operation, do not place any flammable objects near the machine and do not allow chips to over accumulate. In addition, be sure to check cutting tools to make sure of their service life and the condition of the tool edge, and observe the precautions regarding oil-based coolants given in (2) above.

(1) Use nonflammable cutting fluid coolant. (2) When the use of an oil-based coolant is unavoidable:

Before you begin machining, check cutting tools to make sure of their service life and the condition of the tool edge, and choose cutting conditions that will not cause a fire. Periodically clean the coolant filter to maintain sufficient coolant discharge, and frequently verify that coolant is discharging normally. Take measures to control the outbreak of fire: Place a fire extinguisher near the machine, have an operator constantly monitor operation, and install an automatic fire extinguishing system. Do not place flammable materials near the machine.Do not allow chips to over accumulate. Periodically clean the inside of the machine and the area surrounding it.Check that the machine is operating normally. Never run the machine unattended. Since an automatic fire extinguishing system and other peripherals are needed for grinding operations, please let us know as soon as possible if you plan to perform such operations.

Fire Safety Precautions

1. Oil-based coolant

2. Precautions regarding machining of potentially flammable materials

3. Dry machining

When using O

kuma p

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anual and attached

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LB2000 E

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-(11a)-300 (Feb 2014)

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