指出了精锻汽车差速器半轴齿轮原模具结构存在的问题，提出了新型模具结构。
The problems existing in the previous structure of the fine forging die for differential half axle gears of automobiles were pointed out, and a new_type die structure was put forward.
论述了精锻汽车差速器半轴齿轮原模具结构存在的问题，改进了锻造工艺和锻件设计，设计了新型粗锻模和精压模。
A new precision forming technology was presented, which uses an ordinary forging machine and a high precision rotary forging machine to make the closed-tolerance semi-axle bevel gear forgings.
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