High Speed Gap Lathe LB6250B
Before shipping , SJR Machinery Co., Ltd.’sHigh Speed Gap Lathe Model:LB6250B are packed with strong wooden case with waterproof cloth to avoid any damage.
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  • DESCRIPTION
  • Specifications
  • Package
Feature:
Can perform internal and external turning, taper turning, end facing, and other rotary parts turning;

Threading Inch, Metric, Module and D.P.;

Perform drilling, boring and groove broaching;

Machine all kinds of flat stocks and those in irregular shapes;

Respectively with through-hole spindle bore, that can hold bar stocks in larger diameters;

Both Inch and Metric system are used on these series lathes, it's easy for people from different measuring systems countries;

There are hand brake and foot brake for users to choose;

These series lathes operate on power supply of different voltages (220V、380V、420V) and different frequencies (50Hz、60Hz).

SPECIFICATIONS

UNIT

LB6240

LB6250/B

LB6266/B

LB6280B

LB6250C

LB6266C

LB6280C

Capacity

Max. swing dia. over bed

mm

Φ400

Φ500

Φ660

Φ800

Φ500

Φ660

Φ800

Max. swing dia.in gap

mm

Φ630

Φ710

Φ870

Φ1000

Φ710

Φ870

Φ1000

Max. swing dia. over slides

mm

Φ220

Φ300

Φ420

Φ560

Φ300

Φ420

Φ560

Max. workpiece length

mm

750/1000/1500/2000/3000

1000/1500
2000/3000

2000/3000

1000/1500
2000/3000

2000/3000

Spindle

Spindle bore diameter

mm

Φ52

Φ82

Φ82

Φ105

Type of spindle nose

no

CS6240:ISO 702/III NO.6 bayonet lock;others:ISO 702/II NO.8 com-lock type

Spindle speed

rpm

24 steps 9-1600

24 steps
8-1400

12 steps
36-1600

12 steps
30-1400

Spindle motor power

KW

7.5

Tailstock

Diameter of quill

mm

Φ75

Φ90


Φ90

Max. travel of quill

mm

150

Taper of quill (Morse)

MT

5

Turret

Tool O.D. size

mm

25X25

Feed

Max. X travel

mm

145

Max. Z travel

mm

320

310

320

X feed range

mm/r

93 kinds 0.028-6.43

65 kinds 0.063-2.52

Z feed range

mm/r

93 kinds 0.012-2.73

65 kinds 0.027-1.07

Metric threads

mm

48 kinds 0.5-224

22 kinds 1-14

Inch threads

t.p.i

48 kinds 72-1/4

25 kinds 28-2

Module threads

πmm

42 kinds 0.5-112

18 kinds 0.5-7

Diametric pitch threads

t.p.i.π

42 kinds 56-1/4

24 kinds 56-4

Other

Cooling pump
motor power

KW

0.06

Length

mm

2382/2632/3132/3632/4632

2632/3132
3632/4632

3365/4365

2632/3132
3632/4632

3365/4365

Width

mm

975

1050

1340

975

1340

Height

mm

1230

1350

1430

1270

1450

1490

Weight

Kg

1795/2050
2250/2450/2850

2050/2100
2300/2500/2900

2400/2600
2800/3000

3300/3700

2100/2300
2500/2900

2200/2400
2600/3000

3000/3200

Standard Accessories

3-JAWCHUCK AND ADAPTOR

4-JAW CHUCK AND ADAPTOR

FOOTBRAKE

Drive plate

Face plate

CHIP GUARD

WORK LIGHT

COOLANT

Optional Accessories:


STEADY REST (USD100),

BIG STEADY REST(USD150)

FOLLOW REST(USD80),

THREAD CHASING DIAL USD120;

DRO
USD480(L=1000MM); USD500(L=1500MM); USD760(L=2000MM); USD1200(L=3000MM);  3-axis EXTRA USD180.

TAPER TURNING ATTACHMENT (USD400)

LIVE  CENTER  ( USD80) ;

CHUCK COVER ( USD60)

Tool post cover USD80.00

AMERICAN TYPE QUICK CHANGE TOOL POST(USD220)

Grinding attachment, M200 USD1100.00

1000mm LEADSCREW COVER USD260;
1500mm 3-LEVER COVER USD760;
2000mm 3-LEVER COVER USD860.(3-lever cover only for LB series).

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