The envelope method can be used to model the spiral groove surface profile in single screw compressors produced by cylindrical milling using the contact lines of the cutter surface and the groove. However, the envelope method cannot predict the groove bottom profile accurately because it does not account for the boundary contact lines on the end face of the cutter. A new numerical contour method is proposed to model the groove bottom profile by identifying the contact points on the end face of the cutter to a set position on the spiral groove. Results show that the new method can calculate accurately both the boundary and the inner contact line and thus simulate the groove bottom profile exactly. This method could also be used to simulate other profiles of machines, such as rotor profiles of twin screw compressors and screw pumps.
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e-mail: weifengwu@mail.xjtu.edu.cn
e-mail: soonsure@gmail.com
e-mail: qkfeng@xjtu.edu.cn
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February 2012
Technical Briefs
A Numerical Contour Method for Simulating Spiral Groove Bottom Profiles
Weifeng Wu,
Weifeng Wu
School of Energy and Power Engineering,
e-mail: weifengwu@mail.xjtu.edu.cn
Xi’an Jiaotong University
, Xi’an 710049, China
Search for other works by this author on:
Shuo Sun,
Shuo Sun
School of Energy and Power Engineering,
e-mail: soonsure@gmail.com
Xi’an Jiaotong University
, Xi’an 710049, China
Search for other works by this author on:
Quanke Feng
Quanke Feng
School of Energy and Power Engineering,
e-mail: qkfeng@xjtu.edu.cn
Xi’an Jiaotong University
, Xi’an 710049, China
Search for other works by this author on:
Weifeng Wu
School of Energy and Power Engineering,
Xi’an Jiaotong University
, Xi’an 710049, China
e-mail: weifengwu@mail.xjtu.edu.cn
Shuo Sun
School of Energy and Power Engineering,
Xi’an Jiaotong University
, Xi’an 710049, China
e-mail: soonsure@gmail.com
Quanke Feng
School of Energy and Power Engineering,
Xi’an Jiaotong University
, Xi’an 710049, China
e-mail: qkfeng@xjtu.edu.cn
J. Mech. Des. Feb 2012, 134(2): 024501 (5 pages)
Published Online: February 3, 2012
Article history
Received:
June 13, 2011
Revised:
November 3, 2011
Published:
February 3, 2012
Citation
Wu, W., Sun, S., and Feng, Q. (February 3, 2012). "A Numerical Contour Method for Simulating Spiral Groove Bottom Profiles." ASME. J. Mech. Des. February 2012; 134(2): 024501. https://doi.org/10.1115/1.4005598
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