在未加工齿形前的齿轮毛坯称为齿坯。 根据齿坯形成的工艺不同，分为铸造齿坯，锻造齿坯和焊接齿坯。
精锻齿坯的球化退火是精锻齿轮的关键工序之一。
The spheroidizing annealing of gear blank to be precision-forged is a crucial procedure.
通过一个典型实例的分析，给出了确定精锻齿坯下料重量的方法。
By analyzing a typical example, this article gives a method of determining the weight of cutting stock during finish forging gear blank.
分析了齿坯几何偏心和变形对齿轮运动误差的影响；建立了左右齿廓形误差模型。
The effects of geometric eccentric and deformation of gear blank to motion errors is analyzed and an error model for gear's left and right tooth profiles is built.
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