Graphic Method Profiling of the End Mill Cutter Generating the Screw Compressor Rotor

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Abstract:

Helical rotors, components of screw compressors have different structural shapes: rotors circular front section, rotors elliptic front section or asymmetric rotors. Manufacturing rotors involves profiling a tool bordered by a revolution surface, enveloping of each helical channel. This paper proposes a method developed in AutoCAD, in order to determine the profile of end mill cutter which generates the helical channel. Graphic method is based on the principle of complementary theorems' "Substitute Circles Family Method" component of envelope surfaces theory.

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123-128

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October 2014

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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DOI: 10.1016/j.apm.2013.05.056

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