Lathe Hollow spindle 6″ to 30″ Bore PB Model 45″ – 60″ Swing

Megabore, hollow spindle Lathes PB Series offer swings over bed of 45-50 and 60 inches.

Hollow Spindles 6″ – 30″ clearance.

The PA and PB series of Heavy Duty Lathes were developed and designed to provide optimum performance with high cutting power while providing versatility for use in a wide range of industries : general purpose machine shops, mining industry, power industry, oil industry, paper plants, and shipyards, etc.
The PB series feature the most modern designs, providing high efficiency and easy operation.

  •  Single piece bed casting resting entirely on the floor for maximum rigidity
  •  Top slide is hardened and precision ground
  •  Headstock clutch and brake. (OPTION)
  •  Massive heavy duty headstock
  •  Natural and removable gaps
  •  6-Ways power feed/rapid feed
  • Hollow spindles 6″ – 9″ 10″ 12.5″ 16″ 18″ 20″ 22″ 28″
  • Semi automatic threading and copy system for the oil industry.

THE PHOTOS SHOW SOME OF THE VARIATIONS AVAILABLE

BED WIDTH : 28.14″

PB series

(Swing in inches)

PB-45 PB-50 PB-60
Swing over bed 1,165mm 1,280mm 1,530mm
Swing over cross slide 840mm 950mm 1210mm
Swing over gap 1,610mm 1,730mm 1,980mm
Distance between centers 1,500mm~12,000mm in 40″ increments
Spindle nose A2-11~A2-40
Spindle bore 6″~18″ 6″~24″ 7″~30″
Spindle motor Standard-30HP ; Option-40HP,50HP

 

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GO TO A LARGER MACHINE PC SERIES

Megabore Heavy Duty Lathes

Series No. indicates approx swing in inches – Bed lengths up to 40 Ft available

ITEM UNIT PB-45 PB-50 PB-60
CAPACITY
Centre height mm (in.) 590 (23.22) 650 (25.59) 775 (30.51)
Swing over bed mm (in.) 1165 (45.86) 1280 (50.39) 1530 (60.23)
Swing over cross slide mm (in.) 840 (33.07) 950 (37.40) 1210 (47.63)
Swing over gap mm (in.) 1610 (63.38) 1730 (68.11) 1980 (77.95)
Gap width from headstock(opt.) mm (in.) 600 (23.62)
Distance between centres mm (in.) 1500 (59.05), 2000 (78.74), 3000 (118.11),
4000 (157.48), 5000 (196.85), 6000 (236.22),
7000 (275.59), 8000 (314.96), 9000 (354.33),
10000 (393.70), 11000 (433.07), 12000 (472.44)
BED
Width (W/O auxiliary guide) mm (in.) 715 (28.14)
Width (W auxiliary guide) mm (in.) 800 (31.49)
CARRIAGE
Cross slide travel mm (in.) 800 (31.49)
Compound tool post travel mm (in.) 500 (19.68)
4-way tool post width mm (in.) 255 (10.03)
THREAD FEED RANGE
Longitudinal feed mm/rev (in.rev) 0.045~2.55 (0.0018~0.1)
Cross feed mm/rev (in.rev) 0.023~1.28 (0.0009~0.05)
Longitudinal rapid feed mm/rev (in.rev) 2000 (78.74)
Cross rapid feed mm/min (in/min) 1270 (50.00)
Metric thread mm (kinds) 1~56 (60)
Inch thread TPI (kinds) 1/2~28 (60)
Module thread MOD (kinds) 0.25~14 (60)
Diamteral pitch thread DP (kinds) 2~112 (60)
Pitch of leadscrew mm (TPI) 12 (2)
TAILSTOCK
Quill diameter mm (in.) 145 (5.70)
Quill travel mm (in.) 200 (7.87)
Inner taper of quill MT#6
Bearing surface on the bed ways mm (in.) 600 (23.62)
MOTOR
Main spindle motor KW (HP) 22(30)-STD.
29(40) / 37(50)-OPT.
Coolant pump motor KW (HP) 0.1 (0.125)

Note :
(1) X and Z axes actual cutting diameter will change when equipped with different turrets.
(2) Specifications are subject to change without notice for improvement





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