Investigation on the Looseness of the Worm Connected to the Motor Shaft in a Speed Reducer
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This article aims at identifying the possible cause of the detachment between a worm and its coupled motor shaft. Investigation includes several characterization techniques such as visual observation, mechanical testing and metallographic examinations. Reasons of the failure are identified as design errors. Design parameters and manufacturing process of worm and motor shaft need to be modified and optimized.
KeywordsWorm Motor shaft Looseness Speed reducer
The author thanks the support provided by Hangzhou Ignite Auto Electronic Technology Co., Ltd and Baosteel Engineering and Technology Group Co., Ltd.
- 9.GmbH RB, Bosch Automotive Handbook, 8th edn. (Bentley Publishers Press, Cambridge, 2011), pp. 305–349Google Scholar