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Megabore PB Heavy Duty Hollow Spindle Lathe
Lathes, Oil Field & Hollow Spindle
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Megabore, hollow spindle Lathes PB Series offer swings over bed of 45-50 and 60 inches. Hollow Spindles 6″ – 30″ clearance.
The 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.
Note, as most clients for this type of machine are the oil industry general specifications are imperial.
Detailed specifications are metric.
| Swing | 50" | 1,270 mm |
| Swing Options | 45"- 50"- 60 | 45"- 50"- 60 |
| Centers | 118" | 2,997.2 mm |
| Center Options | 2 - 12 Meters | 2 - 12 Meters |
| Spindle Bore | 28" | 711.2 mm |
| Spindle Bore Options | 6″ – 9″ "- 10″ - 12.5″ - 16″ - 18″ - 20″ - 22″ - 28″ | 6″ – 9″ "- 10″ - 12.5″ - 16″ - 18″ - 20″ - 22″ - 28″ |
| Power | 30 hp | 22.4 kW |
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)
Single piece bed casting resting entirely on the floor for maximum rigidity
Massive heavy duty headstock
6-Ways power feed/rapid feed
Top slide is hardened and precision ground
Natural and removable gaps
OPTIONAL ACCESSORIES
Headstock clutch and brake
Semi automatic threading and copy system for the oil industry
Chucks and Steadies supplied to Client requirements.