Gm also says the mill will be "one of the quietest and most refined engines in the segment" because of an acoustic intake manifold cover and inverted-tooth camshaft chains.
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2. 本文介绍三种倒锥齿内花键的加工工艺，工艺分析和测量方法。
This paper introduces three method of machining technique, technique analysis and measuring for internal spline with reversed taper teeth.
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3. 分析了滚刀齿高和齿顶倒圆半径对所切齿轮齿根弯曲应力的影响。
And it analyzed that hob tooth height and tooth top pour round radius impacted on gear tooth root crooked stress.
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4. 介绍了硬齿面滚刀倒棱的齿形计算公式和误差分析，探讨了新型的倒棱滚刀结构方式及制造工艺。
Profile formula for hard gear chamfered edge hob and its error analysis are introduced. A new kind of chamfered edge hob structure and manufacturing engineering are investigated.
