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http://dx.doi.org/10.5050/KSNVE.2010.20.7.665

An Experimental Research for the Optimization of the Gear Grinding Machine's Operating Condition  

Lee, Hyun-Ku (현대자동차)
Kim, Moo-Suk (현대자동차)
Kang, Koo-Tae (현대자동차)
Publication Information
Transactions of the Korean Society for Noise and Vibration Engineering / v.20, no.7, 2010 , pp. 665-671 More about this Journal
Abstract
To improve the gear noise quality, gear tooth grinding machine are widely used in automotive industry. While using the gear profile grinding machine to improve the gear tooth quality of the transmission, several defects such as chattering, tooth waves that cause the gear noise occasionally happened. But it is very difficult to solve that problem, because there is no one who knows the setting up the optimal grinding condition appropriately. The abnormal manufacturing conditions which make the gear noise make the engineer to spend a lot of time, effort, and money. Due to demands for solving the serious abnormal gear noise happened in the automatic transmission in the mass product stage, the vibration checking process in the worm wheel axis, work rotation and fixed axis of the grinding machine were adapted to find the root causes. As a result, gear profile wave are affected by the work rotation axis's unbalance which is caused by worm wheel feeding speed. And a primary and the secondary grinding feeding speed, cutting oil, work fixed forces are also proved as the important factors. After setting up the grinding condition reported in this paper, it was adapted successfully to the grinding machine to manufacture the new automatic transmissions' gear. The gear noise was dramatically disappeared and the process and the results will offer good guides to the engineers who manufacture the gear with the grinding machine.
Keywords
Gear Noise; Grinding Machine; Feeding Speed; Cutting Oil; Worm Wheel; Tooth Profile;
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  • Reference
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