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Rough- and finish-grinding of a crankshaft in one set-up

  • US 6,878,043 B1
  • Filed: 04/20/2000
  • Issued: 04/12/2005
  • Est. Priority Date: 04/30/1999
  • Status: Expired due to Term
First Claim
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1. A method of grinding a crankshaft having pin journals and main journals in a single set-up of the crankshaft on a grinding machine, comprising the steps of:

  • clamping the crankshaft such that it rotates concentrically about the main journals;

    first rough-grinding at least the main journals, then finish-grinding the pin journals, thereafter finish-grinding the main journals, and grinding only one of the main journals as a steadyrest seat during the rough-grinding of the main journals.

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