ACRA Engine Lathe Model 2290 ACH, Swing 22" x Centers 90" New Mazak-Type Model
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ACRA Engine Lathe Model 2290 ACH, Swing 22" x Centers 90" New Mazak-Type Model
Acra Machinery, Inc. located in California and in business for over 40 years, offers quality and value for manual machines and CNC flabed lathes.
ACRA Precision Engine Lathe Model 2290SCH 22" Swing, 90" Between Centers
Features:
SCH-2200/2600 Series: D1-11 Spindle Nose, 15" 3-Jaw Chuck
Spindle Bore 4.094" (104 mm)
Spindle Center Sleeve MT 7 x MT 5
Dead Center MT 5 with carbide tip
3 V -Type Bed Rail Slideways
Front Forward Chip Tray
Operating Manual
Six (6) leveling pads
Coolant System
Tool Box
Halogen Lamp
Full Length Splash Guard
Chip Guard
10" Steady Rest
Meehanite cast iron, vibration stresses relieved Induction hardened (HS70 degree) and precision ground
Bedways are hardened & ground to HRC 48-55
Dual Braking: Foot & Electric brake
Wider bedway to absorb vibration
Universal Gear Box: Provides wide range of gears, no gear changing
Oil bath lubrication for gearbox,
Manual & Automatic forced lubrication Pump for bedways & Cros Slide
Heat-treated gears
Inch/Metric/Diametrical Threads
Apron and Saddle:
Manual and automatic lubrication system.
Oil distributor adjusted to lubricating bedways and cross slide or both.
Overload protection device
Limit switch to protect feed motor
Cross slide is hardened and precision ground
Cross slide screws are hardened and oil bathed
Forward - Off - Reverse Lever
Spindle:
Dynamically balanced, hardened and precision ground
Specifications:
Item Number ATEL-229SCH
Swing over Bed 22" (560 mm)
Swing over Gap 31.37" (797 mm)
Swing over Cross Slide 13.38" (340 mm)
Bed Width 15.75" (400 mm)
Between Centers 90" (2300 mm)
Spindle
Spindle Nose D1-11
Spindle Bore 4.094" (104 mm)
Spindle Speeds - 60 Hz 13, 20, 30, 47, 70, 105, 150, 230, 340, 530, 800, 1200 RPM
Variable Speed is available as Option (adds $6,000)
Travel
Cross Slide 15.75" (400 mm)
Compound Slide 8.98" (228 mm)
Threads
Leadscrew Diameter and Pitch 1.77" (45 mm) dia. x 4 TPI or 6mm Pitch
Whitworth threads Range of Inch Threads 44 kinds - 2-72 TPI
Range of Metric Threads 39 kinds - 0.2 - 14 Pitch
Longitudinal Feed mm 0.035 - 0.98 inch/rev. (0.0012 - 0.039")
Cross Feeds mm 0.011 - 0.296 inch/rev. (0.0004 - 0.0117")
Tail Stock
Quill Diameter mm 80 inch (3.15")
Quill Travel mm 250 inch (10")
Taper of Center MT No.5
Motor
Spindle Motor 15 HP (10.5 Kw)
Coolant 1/8 HP
Dimension
Length 122" (3200 mm)
Height 67" (1700 mm)
Width 46" (1150 mm)
Net Weight 7,854 lbs. (3,570 kgs)
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