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 General grinding wheels Centerless Grinding
 
 
At present, I carry out in-feed grinding of the tap of a part made of
SKH using a WA grinding wheel, but grinding burn occurs.
 
This material is difficult to grind, so we think that when you used WA abrasive grain the grinding wheel could not bite into the material of the workpiece, resulting in grinding burn. You should be able to eliminate grinding burn and extend the dressing interval by changing over to ceramic abrasive grain MC which can realize high performance grinding even during high load grinding.
 
 
Grinding case example
   
» Grinding wheel dimensions
  ø455 x 80 x ø228.6  45m/sec
» Conventional grinding wheel
  WA 80 M 7 V
» Countermeasure grinding wheel
  MC 80 L 7 V
   
   
Specification conditions
   
Material of workpiece SKH
Hardness HRC65-67
Grinding method In-feed grinding
Grinding wheel speed
Adjustment wheel speed
Cycle time 80sec
Amount to remove ø0.3mm
Dresser Rotary
Dressing amount ø20-30µm
   
   
Required accuracy
   
Finished surface roughness 3.2Rz(94'JIS)
   
 
   
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