51" X 120" ACRA MODEL 51120SGT PRECISION GAP BED HEAVY DUTY ENGINE LATHE
• The spindle is supported by high precision bearings suitable for both heavy and precision cutting.
• The speeds of spindle have 12 steps and designed on theoretical base. All gears and shafts are made of Ni-Cr-Mo steel and carbonize and ground.
• Control of main drive through electromagnetic brake, and automatic forced lubrication.
• Spindle Bore size selections- 153mm (6”), 230mm (9”), 255mm (10”), 310mm (12”), 355mm (14”), 405mm (16”), & 530mm (21”).
• The Gear Box is entirely enclosed construction and provide a range of feedings or thread cuttings (inch, metric, module pitch and diametrical pitch).
• Inch and Metric threading without changing gears.
• Oil both lubrication and built in safety clutch safeguards the continuous and proper operation of the universal gear box.
Carriage and Apron:
• The Compound Rest can be fixed on the cross-slide anywhere, convenient for cutting work application.
• The Apron gives automatic lubrication and locked-safety device protects threads and feeding.
• Rapid traverse drive for longitudinal-cross feeding and forward & reverse feed operates very light and convenient.
• The Taper Attachment is designed to easily operate and rapidly cut taper in high accuracy; the device can produce ± 10 angles.
• Electric cable in steel cover to protect wire from chips and prevent trouble with electric wires.
Capacity: 51″/72″ x 120″
Swing Over Bed: 51-1/2″
Swing Over Cross Slide: 39-3/8″
Swing In Gap: 72-6/8″
Width of Gap: 18-1/2″
Distance Between Centers: 120″
Bed Width: 26″
Spindle Nose: A2-11
Spindle Bore: 6″
Taper of Spindle: MT NO.6
Spindle Speeds – Range: 3~300 RPM
Cross Slide Travel: 25″
Compound Slide Travel: 16-1/2″
Rapid Travel Speed to Carriage: 807″/minute
Inch Threads: 1/4 ~ 30 TPI
Metric Threads: 1 ~ 120 mm
Module Threads: 0.25 ~ 30 mm
Diametrical Threads: 1 ~ 120 D.P.
Longitudinal Feeds: 0.004″ ~ 0.40″/rev
Cross Feeds: 0.002″ ~ 0.20″/rev
Quill Diameter: 4-7/8″
Quill Travel: 13-3/8″
Quill Taper: MT NO.6
Spindle Drive Motor: 30 HP x 4P
Voltage: 230V/460V AC /3 PH
Weight 22,400 lbs
Dimensions 220 × 80 × 80 in
1 SET Electromagnetic Brake
1 SET 4-Way Rapid Traverse
1 PC Center Sleeve
1 PC Tool Post Wrench
1 SET Anchor Bolt
1 SET Tool Box & Tool
1 SET Coolant System
1 PC Work Light
1 PC Steady Rest 11-1/2″
1 PC Travel Splash Guard
1 PC 4 Way Tool Holder