Form. Grinding of Precision Helical Rotors and Gears Using Closed-Loop Profile Control


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Abstract:Starting with a description of a system for precision profile grinding of screw compressor rotors using closed-loop feedback for correction of profile errors, the paper goes on to describe a new system for the form. grinding of precision spur, helical, and worm gears. This paper describes the development of high precision helical form. grinding systems. The system was originally developed to satisfy the demanding accuracy requirements of screw compressor rotors, which will be understood from a description of their function. The system was then developed for the grinding of helical and spur gears to Quality 2/3 of DIN 3962. The paper describes both systems, with reasons for the design choices, and the results obtained. It is intended to be of interest to designers and manufacturers of rotors and gears.
Author: C. S. Holmes
Author Unit: Holroyd, Rochdale, Lancashire, UK
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