New 36"/47" x 80" Acra Precision Gap Bed Engine Lathe

Acra’s new 3680SET Precision Gap Bed Engine Lathes are made in Taiwan and have the following features:

Headstock

• All gears and mandrel are made of alloy steel that are heat treated and precision ground.
• Rotating type speed changing system is easy to operate.

Spindle

• Large bore spindle, supported by 3-point precision bearings.
• Suitable for heavy-duty cutting.

Tailstock

• With a 2 speed Quill, it is suitable for heavy duty drilling, and the hand wheel is a dual dial type.

Apron and Saddle

• Easy-operated overload safety protection device.
• Central Lubrication system can be operated manually or automatically.

Gear Box

• Universal gear box design is able to cut metric thread, Imperial thread, module thread without changing gears.

Lathe Bed

• High tensile rib’s structure, high precision, and wide bed surface
• Hardened and precision ground
• One piece structure lathe bed enhances the machines life and working performance

Auto Longitudinal Stop

• Auto Longitudinal travel devise will control the feed of tool post.

Emergency Brake System

• Safe emergency brake system can shut off power supply simultaneously.

Specifications

• Capacity: 36″/47″ x 80″
• Swing Over Bed: 36-5/8″
• Swing Over Cross Slide: 27-1/2″
• Swing In Gap: 47-1/4″
• Width of Gap: 10″
• Distance Between Centers: 80″
• Bed Width: 18-1/8″

Headstock

• Spindle Nose: A2-11
• Spindle Bore: 6.02″
• Taper of Spindle: MT No. 5
• Spindle Speeds – Steps: 12
• Spindle Speeds – Range: 15 ~ 1,000 RPM

Carriage

• Cross Slide Travel: 16-1/2″
• Compound Slide Travel: 10″

Threads & Feeds

• Inch Threads: 2 ~ 28 TPI
• Metric Threads: 0.8 ~ 14 mm
• Module Threads: 0.5 ~ 7
• Diametrical Threads: 4 ~ 56
• Longitudinal Feeds: 0.05″ ~ 0.7 mm/rev
• Cross Feeds: 0.025 ~ 0.35 mm/rev

Tailstock

• Quill Diameter: 3-3/4″
• Quill Travel: 9″
• Quill Taper: MT No. 5

Power

• Spindle Drive Motor: 25 HP x 4P
• Voltage: 230V/460V AC/3 PH

Standard Equipment

• 1 PC 20” 3 Jaw Chuck
• 1 SET Electromagnetic Brake
• 1 SET 2 Way Rapid Traverse Device
• 1 PC Center Sleeve
• 2 PCS Center (MT No. 5)
• 1 PC Tool Post Wrench
• 1 SET Anchor Bolt
• 1 SET Toolbox & Tool
• 1 SET Coolant System
• 1 PC Halogen Light
• 1 PC Full Length Splash Guard
• 1 SET Follow Rest
• 1 SET Steady Rest 11.8″
• 1 PC Full Length Rear Splash Guard
• 1 PC 4 Way Tool Holder