Blanchard Grinder Adjustment

 
     

 Wheel acts Hard

 

Wheel acts Soft

  • Reduce number of parts on table to be ground
  • Incease spacing between parts with load pattern
  • Decrease Downfeed rate on feed dial to smaller number
  • Increase Table Speed
  • lncrease Tilt of grinding wheel spindle so that pattern runs in one direction and forces parts towards blocked surface
  • Dress grinding wheel
  • Use a Softer Jowitt & Rodgers wheel specification
  • Decrease coolant flow to soften wheel bond
  • Try mixing coolant at a richer concentration
  • Check the incoming part hardness
 
  • Increase number of parts on table to be ground
  • Load parts closely together to create solid areas
  • Increase Downfeed rate on feed dial to larger number
  • Decrease Table Speed
  • Flatten Tilt of grinding wheel spindle to obtain crosshatch pattern
  • Increase Sparkout for finish
  • Use a Harder Jowitt & Rodgers wheel specification 
  • Check for excessive amount of stock on part or if moving on table due to bad flatness
  • Coolant is too hot and softening bond
     

Mike Petsch & Associates, Inc.