轿车上的直齿圆锥齿轮尺寸精度与产品质量要求很高，难以采用常规的塑性加工技术成形。
Straight bevel gears used in car differential have strict requirements for dimensional precision and quality, it is difficult to form accurately them by the traditional forging techniques.
本文以直齿锥齿轮为例，给出了直齿锥齿轮的设计导航流程，提出在已经标准化了的齿轮零件库中匹配出最相似的齿轮零件是关键的步骤。
Taking cone gear as example, this paper presents the design guidance of cone gear and emphasizes that it is the key step to match the most similar gear in standardized gear parts base.
介绍了渐开线直齿内齿轮插齿刀的优化设计方法。
The optimum design method of involute internal gear slotting cutter is introduced.
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