Machining Theory of Forming Complex Inner Helicoid and Numerical Algorithm to Design Contour of the Disc-Mill Cuter

Abstract:

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The inner helicoid of the PDM’s stator is a kind of typical inner surface that is complex and tenuous. This paper studies the theory to form the inner helicoid in the screw stator which has a large lead and whose cross-section is composed by convex and concave curves using disc milling method. According to the varieties of the curve types of workpiece’s cross-section, a numerical method was proposed to calculate the theoretical contour shape of the disc milling cutter using coordinates of the fewer points on the workpiece’s cross-section. The manufacturing test confirmed the correctness of the design algorithm of the cutter’s profile and feasibility of this milling forming method.

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Periodical:

Edited by:

Hun Guo, Taiyong Wang, Zeyu Weng, Weidong Jin, Shaoze Yan, Xuda Qin, Guofeng Wang, Qingjian Liu and Zijing Wang

Pages:

339-343

DOI:

10.4028/www.scientific.net/AMM.141.339

Citation:

K. Wang et al., "Machining Theory of Forming Complex Inner Helicoid and Numerical Algorithm to Design Contour of the Disc-Mill Cuter", Applied Mechanics and Materials, Vol. 141, pp. 339-343, 2012

Online since:

November 2011

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$35.00

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