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Adaptive control of cutting machining operations

  • US 4,031,368 A
  • Filed: 02/11/1974
  • Issued: 06/21/1977
  • Est. Priority Date: 04/17/1972
  • Status: Expired due to Term
First Claim
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1. A method of adaptive control of cutting machine operations to optimize the productivity of cutting machine means including at least one cutting tool and having controllable cutting parameters affecting its cutting tool comprising the steps of:

  • a. selecting a first set of cutting parameters,b. performing a machine operation using said first set of cutting parameters,c. during said machining operation measuring a plurality of times the magnitude of at least one wear-related parameter of the cutting tool,d. comparing the successive measurements of said at least one wear parameter,e. calculating the tool life by projecting, based on said comparison step, when said wear parameter will reach a predetermined limiting value,f. calculating productivity based on said first set of cutting parameters and the tool life calculated in said tool life calculating step,g. optimizing productivity by selecting further sets of said cutting parameters, and calculating for each set the corresponding tool life, and the productivity resulting from said further sets of cutting parameters and said corresponding tool life,h. selecting from the optimized productivity value the desired set of cutting parameters.

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