Abstract
The material general removal rate and the dynamic mechanism of tooth surfaces modified and corrected mutually during lapping process of hypoid gears were firstly investigated. The dynamic lapping force takes an important role of removing micro-materials and eliminating errors so that the removal of material takes firstly place at the instant of impact of the surface peak point and the changeover point between teeth. The flank-modification due to lapping tends to make the second-order parabolic shaped motion graph become flat at the top and a sinusoidal or third order modulation at the entrance area. The relative spiral angle and pressure angle errors were defined and introduced into the evaluation of the teeth mating precision, which had been carried out by the measurements of teeth form and pitch errors. Finally, the comparison experiments of the gearing vibration and noise between before and after lapping had been accomplished. The results show that the lapping operation may greatly improve the mating precision and the dynamic behavior of gears.
Original language | English |
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Pages (from-to) | 842-845+858 |
Journal | Zhongguo Jixie Gongcheng/China Mechanical Engineering |
Volume | 18 |
Issue number | 7 |
State | Published - 10 Apr 2007 |
Keywords
- Flank-modification
- Hypoid gear
- Lapping
- Transmission error