Acra's SGT series of heavy duty hollow spindle lathes have an optional spindle bore range from 6" to 21" with either a A2-15, A2-20 or A2-28 mounts. Featuring...
Headstock:
• 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.
• 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 & 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.
Taper Attachment:
• 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.
Specifications:
- Overall capacity: 45″/66″ x 240″
- Swing Over Bed: 45-5/8″
- Swing Over Cross Slide: 33-7/16″
- Swing In Gap: 66-7/8″
- Width of Gap: 18-1/2″
- Distance Between Centers: 240″
- Bed Width: 26″
Headstock:
- Spindle Nose: A2-28
- Spindle Bore: 21″
- Taper of Spindle: MT NO.6
- Spindle Speeds – Range: 3~300 RPM
Carriage:
- Cross Slide Travel: 25″
- Compound Slide Travel: 16-1/2″
- Rapid Travel Speed to Carriage: 807″/minute
Threads & Feeds:
- 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
Tailstock:
- Quill Diameter: 4-7/8″
- Quill Travel: 13-3/8″
- Quill Taper: MT NO.6
Power:
- Spindle Drive Motor: 30 HP x 4P
- Voltage: 230V/460V AC /3 PH
Standard Equipment:
- Electromagnetic Brake
- 4-Way Rapid Traverse
- Center Sleeve
- Tool Post Wrench
- Anchor Bolt
- Tool Box & Tool
- Coolant System
- Work Light
- Steady Rest 11-1/2″
- Travel Splash Guard
- 4 Way Tool Holder
