On Numerical Simulations of the Micro-Gears and their Cold Forging Process

Chin Yu Wang; Hsin Te Wang

doi:10.4028/www.scientific.net/KEM.419-420.17

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HomeKey Engineering MaterialsKey Engineering Materials Vols. 419-420On Numerical Simulations of the Micro-Gears and...

On Numerical Simulations of the Micro-Gears and their Cold Forging Process

Abstract:

In this paper, a parametric cubic spline function for generating gear profile is proposed. The spline function includes new gear design parameters such as pressure angle, number of teeth, module, and tooth tip circle modification. The proposed geometry can improve corner filling condition. Finally, the simulation software DEFORM is used to simulate the cold forging process of the micro-gears with different profiles.

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Periodical:

Key Engineering Materials (Volumes 419-420)

Pages:

17-20

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.419-420.17

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Online since:

October 2009

Authors:

Chin Yu Wang, Hsin Te Wang

Keywords:

Cold Forging, Numerical Simulation, Parametric Cubic Spline

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References

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[10] [20] [30] [40] [50] [60] [70] [80] [90] 17. 3 17. 6 17. 8 18. 0 18. 4 18. 5 18. 5 18. 6 Z Load(N) Time (1e-3 sec) modified traditional Fig. 1: A pair of cold forging micro-gears with module 0. 15mm Fig. 2: (a) traditional tooth profile (b) cubic spline tooth profile Fig. 3: A meshed tooth is forged in DEFORM Fig. 4: Load curves of two versions of spur gears.

DOI: 10.3901/jme.2014.03.018

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