Acra
Acra Precision Surface Grinding Machine - ASG-618S

Made In Taiwan.
Table surface guaranty (Testing grinding piece 6, Thickness difference.): 0.0001”.
2HP V3 grade low vibration spindle motor.
High precision cartridge-type spindle, ABEC class 7 (P4) bearings (1 roller bearing and 2 angular contact ball bearings), 0.0001” TIR.
Cross double V and longitudinal V & flat, and TURCITE B coated and hand scraped, 3 axes are solid slide ways for superior accuracy with longer machine life.
One-Piece casting base and slide way, column casting is enhanced for extra rigidity.
All main castings are made of “Meehanite GC275” and stress have been annealed for long lasting and accuracy.
Automatic and central lubrication system.
Suitable for both precision surface grinding and form grinding.
Max. Grinding Length 18.5"
Max. Grinding Width 6.3"
Max. Distance from table surface to spindle center line 15.7"
Working surface area 18.3" x 6"
Max. Longitudinal movement 18.9"
Max. Cross movement 7"
Grinding Wheel Spindle Motor 2.0 HP x 2P
Grinding Wheel Spindle revolution (60Hz) Max. 3600 rpm
Grinding Wheel Diameter x width x bore 60hz 8" x 0.5" x 1.25"
Longitudinal hand feed per revolution 4.1"
Cross hand feed per revolution graduation of dial ring 0.2"/rev (1m/m/rev) 0.001" (0.02m/m)
Vertical hand feed per revolution graduation of dial ring 0.05"/rev (1m/m/rev) 0.0001" (0.005m/m)
Floor Space L x W x H 55.1" x 39.4" x 70.9"
Weight (Approx.) 1540 lbs.