New
MEGABORE PB-50 21" HS
Lathes, Engine, Center
50 inch swing over bed
10 ft between centers
21 inch hollow spindle
The PB Can be supplied with swing over bed 40 inch, 50 inch and 60 inch.
Center distance from 1.5 ft to 40 ft.
Hollow spindles 6 inch to 30 inch
FEATURES
* One piece bed, floor type casting.
* 2 shear bed way with extra way supporting the apron.
* All ways are hardened and ground.
* Alloy steel spindle with opposed taper roller bearings.
* Hardened and ground gears, shafts.
* Electromagnetic spindle brake.
* 18-speed geared headstock.
* 6-way rapid traverse and power feed to top slide.
* Totally enclosed universal inch / metric gear box.
* Carriage position device.
* Dual voltage spindle motor, 30 to 50 HP.
* Pressurized one shot lube system for cross slide and carriage.
THIS MACHINE IS FITTED WITH 2 X ALL STEEL 4 JAW CHUCKS. HYDRAULIC TAPER TURNING AND SEMI AUTO THREADING SYSTEM FOR STANDARD API THREADS. 2 AXIS DIGITAL READOUT.
Please note: Photos may not be of actual machine.
| Swing | 50" | 1,270 mm |
| Swing Options | 45"- 50" _ 60 | 45"- 50" _ 60 |
| Centers | 78.74" | 2 m |
| Center Options | Up to 12 Meters | Up to 12 Meters |
| Spindle Bore | 9" | 228.6 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 |
| Weight | 30,000 LBS | 30,000 LBS |
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
* 1 dead centre, MT #6.
* 2-speed tailstock quill (manual).
* One piece stainless steel leadscrew cover.
* Coolant pump.
* Follow type splash guard.
* Rear side chip and water collect plate.
* Thread chasing dial.
* Water and oil collect plate under apron.
* Work lamp.