ROUNDNESS : Dead center < 0.003 mm. (cone centre ground and lapped) Live spindle < 0.004 mm (dia 75 mm hardened test piece).
SURFACE FINISH : : 0.3 μm Ra. ( using 60 grit wheel on hardened test piece)
FEATURES Casting are stress relieved by vibration “FORMULA 62” and in normalizing oven. Tail stock, wheel & work spindles are heat treated to achieve dimensional stability. Assembly of precision bearings within dust free environment. All...