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The 5-Coordinate Simultaneous NC Machining of the Vane Wheel Leaf With Cylindrical Cutter

[+] Author Affiliations
Liuhu Ran, Lou Yi, Quanhong Liu

Zhejiang University of Science and Technology, Hangzhou, China

Paper No. IMECE2010-40126, pp. 1019-1024; 6 pages
doi:10.1115/IMECE2010-40126
From:
  • ASME 2010 International Mechanical Engineering Congress and Exposition
  • Volume 3: Design and Manufacturing, Parts A and B
  • Vancouver, British Columbia, Canada, November 12–18, 2010
  • Conference Sponsors: ASME
  • ISBN: 978-0-7918-4427-4
  • Copyright © 2010 by ASME

abstract

The concept of contact is applied into the machining of the complex surface. If the contact line along the straight line of cutter, the contact line should along the asymptotic direction of the surface being machined. For the undeveloped ruled surface, the directions of the normal vectors are different, while the directions of the normal vectors on the straight line of cylinder are the same, so that there may be some over cutting on the surface. With the theory of this paper, the best cutter postural can be determined when the contact line not along the straight line of the cutter. And further more, with the concept of third order contact, both the best cutter postural and contact direction can be determined at same time. This paper showed how to use this method for the machining of impeller leaf. This project is supposed by the natural scientific foundation of Zhejiang province, China, No. Y106047 and Y1080093.3.

Copyright © 2010 by ASME
Topics: Machining , Wheels

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