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21" X 40" ACRA MODEL 2140TVS (3-1/8" BORE) PRECISION VARIABLE SPEED GAP BED ENGINE LATHE Bed:One-piece casting base. Meehanite casting, vibration stress relieved. Induction hardened and precision ground bed ways, precision hand scraped removable gap. Foot brake. Turcite B coating between bed and carriage. Gearbox: Universal type allowing a wide range of inch, metric, M.P., D.P. threads without change gears. Headstock: Housing is vibration-absorbent, deflection-free. Gears are hardened & MMG or REISHAUER ground. Heavy Duty Spindle: Machined from forged alloy steel, hardened ground & dynamically balanced. Three point support by high grade precision, machine tool taper roller & ball bearings. Apron: RIH or LJH wheel can be available on request. Integrated automatic control for longitudinal & cross feeds, forward & reverse feeds. Carriage & Slide: Anti-Float design backlash eliminator fitted in cross slide nut. Safety clutch at feed shaft. One shot lubrication in carriage & top slide. Dual dials supply inch system screw. Metric dial supply metric system only. Safety Features: Nylon safety gears in end train. Shear pin in leadscrew. Specifications: Capacity: 21″/28″ x 40″ Swing Over Bed: 21″ Swing Over Cross Slide: 15-1/4″ Swing In Gap: 28-3/4″” Distance Between Centers: 40″ Bed Width: 12-1/2″ Spindle Nose: D1-8 Spindle Bore: 3-1/8″ Taper of Spindle: MT NO.5 Spindle Speeds – Steps: 3 Spindle Speeds – Range: 20 ~ 1,800 RPM Cross Slide Travel: 11.81″ Compound Slide Travel: 5.9″ Inch Threads: 2 ~ 72 TPI Metric Threads: 0.2 ~ 14 mm Longitudinal Feeds: 0.0015″ ~ 0.04″/rev Cross Feeds: 0.00075″ ~ 0.02″/rev Tailstock: Quill Diameter: 2.32″ Quill Travel: 5″ Quill Taper: MT NO.4 Spindle Drive Motor: 12-1/2 HP Voltage: 230V AC/ 1 PH / 3 PH Weight 4700 lbs Dimensions 95 × 46 × 73 in
Standard Equipment: 12″ 3-Jaw Chuck Full Length Splash Guard Inverter Controlled Motor 16″ 4-Jaw Chuck Coolant System Centers Face Plate Steady/Follow Rest 4 Way Tool Holder Center Sleeve Foot Brake Chuck Guard Halogen Light 2 Speed Tailstock |
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