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http://dx.doi.org/10.12656/jksht.2021.34.1.25

A Study on the Design and Measurement of Pin Press-Fit Device for Fastening Differential Gear Case and Pinion Shaft  

Jang, T.H. (Dept. of Nanomechatronics Engineering, Pusan National University)
Gwon, J.U. (Dept. of Nanomechatronics Engineering, Pusan National University)
Eum, J.H. (Convergence Business Division, SMEC Co., Ltd)
Kim, J.A. (Convergence Business Division, SMEC Co., Ltd)
Kim, T.G. (Dept. of Nanomechatronics Engineering, Pusan National University)
Publication Information
Journal of the Korean Society for Heat Treatment / v.34, no.1, 2021 , pp. 25-30 More about this Journal
Abstract
The differential gear system is a device designed to distribute the driving force of both vehicle wheels and control the rotational speed when the vehicle turns on a curve. The differential device consists of a differential gear case, a ring gear, and a pressure ring. A differential pinion gear and side gear are mounted on the differential pinion shaft inside the differential gear case. In this study, a pin press-fitting device that mounts the pinier gear and side gear to the differential pinion shaft in the differential gear case was designed, and a jig device for pin press-fitting using servo press was developed. In addition, by precisely measuring the pin press-in load and press-in distance according to the pin hole diameter of the differential gear shaft, the optimization of the pin pressin process was established.
Keywords
Differential gear case; Pin press-in process; Pinion gear; Side gear; Pinion shaft;
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