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CLC number: TH122; TG711

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Received: 2007-02-13

Revision Accepted: 2007-07-05

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Journal of Zhejiang University SCIENCE A 2007 Vol.8 No.11 P.1789~1794

http://doi.org/10.1631/jzus.2007.A1789


Analysis of 3D curve expansion of conical cam with oscillating tapered roller follower


Author(s):  CHEN Jun-hua, WU Yi-jie

Affiliation(s):  Ningbo Institute of Technology, Zhejiang University, Ningbo 315010, China; more

Corresponding email(s):   cjh@nit.zju.edu.cn, wyj1116@zju.edu.cn

Key Words:  Oscillating follower, Conical cam, Tapered roller plane expansion, 3D curve expansion


CHEN Jun-hua, WU Yi-jie. Analysis of 3D curve expansion of conical cam with oscillating tapered roller follower[J]. Journal of Zhejiang University Science A, 2007, 8(11): 1789~1794.

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author="CHEN Jun-hua, WU Yi-jie",
journal="Journal of Zhejiang University Science A",
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number="11",
pages="1789~1794",
year="2007",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.2007.A1789"
}

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%T Analysis of 3D curve expansion of conical cam with oscillating tapered roller follower
%A CHEN Jun-hua
%A WU Yi-jie
%J Journal of Zhejiang University SCIENCE A
%V 8
%N 11
%P 1789~1794
%@ 1673-565X
%D 2007
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.2007.A1789

TY - JOUR
T1 - Analysis of 3D curve expansion of conical cam with oscillating tapered roller follower
A1 - CHEN Jun-hua
A1 - WU Yi-jie
J0 - Journal of Zhejiang University Science A
VL - 8
IS - 11
SP - 1789
EP - 1794
%@ 1673-565X
Y1 - 2007
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.2007.A1789


Abstract: 
This paper focuses on the analysis of running conditions and machining processes of conical cam with oscillating follower. We point out the common errors existing in the design and machining of the widely used plane expansion method of conical cam trough-out line. We show that the motion can be divided into two parts, i.e. the oscillating motion of oscillating bar and the rotary motion of oscillating bar relative to the conical cam. By increasing the rotary motion of oscillating bar, the motion path of tapered roller on oscillating bar (i.e. contour surface of conical cam) can be expanded on the cylinder. Based on these analyses, we present a creative and effective designing and machining method for 3D curve expansion of conical cam with oscillating follower.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article

Reference

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[8] Tsay, D.M., Lin, B.J., 1996. Improving the geometry design of cylindrical cams using nonparametric rational B-splines. Computer-Aided Design, 28(1):5-15.

[9] Wu, Y.J., Leng, H.B., Zhao, Z.R., Chen, J.H., 2006. Research on control method for machining non-cylinder pin hole of piston. Journal of Zhejiang University SCIENCE A, 7(12):2073-2078.

[10] Xiao, Y.X., Tao, Y.Q., Nie, Q.G., Ke, Y.L., 2005. CAM technology of spatial cams with oscillating cylindrical-roller followers. Mechanical Science and Technology, 21:509-511 (in Chinese).

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