Tool Wear Compensation

Paper #:
  • 2009-01-3216

Published:
  • 2009-11-10
Citation:
Larsson, E., Eriksson, D., and Rydberg, P., "Tool Wear Compensation," SAE Int. J. Aerosp. 2(1):199-204, 2010, https://doi.org/10.4271/2009-01-3216.
Pages:
6
Abstract:
This paper describes the principles of a new method to compensate for tool wear when drilling in complex materials such as Carbon Fibre Reinforced Plastics (CFRP), Carbon Fibre Reinforced Plastics / Titanium (CFRP/Ti) and Carbon Fibre Reinforced Plastics / Alloy (CFRP/AI) stacks. A reliable and repeatable hole quality is essential, especially in automatic drilling applications with robots or gantries.The method combines the unique feature to dynamically adjust the drilling diameter in very small steps in an Orbital drilling End-effector and a new type of software algorithm to predict and compensate for the tool wear in different materials. With this method a large number of holes can be drilled without changing the cutting tool, and a Cpk value of more than 2,5 can be achieved.
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