For high precision gears, gear grinding is a principal way of machining to guarantee precision and quality, gear rejects caused by cracks in gear grinding are common in gear machining.
对高精度齿轮，磨齿加工是保证精度和质量的主要加工方法，由磨齿裂纹引起齿轮报废是加工中常出现的现象。
This paper introduces an involute tester for measuring the high-precision gears and the involute standard templates, which was developed at the end of 1980.
本文介绍1980年底研制成的测量高精度齿轮和检定渐开线样板的渐开线检查仪。
Founded in 1982, Vigor Precision Ltd has an important status in the design and manufacture of High Precision Plastic Gears and Plastic Accessories.
创建于1982年，力嘉精密有限公司在设计和生产高度精密的塑胶齿轮和塑胶配件的技术，在市场上有重要的地位。
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