主要经营产品模具设计，精密机械零件，工装治具来图来样加工。

Mainly engaged in product mold design, precision machinery parts, tooling fixtures to map sample processing.

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宁波市鄞州塘溪阀门配件厂专业生产注油泵、轮泵、种油泵、门、压件等，也承接机械五金配件来图来样加工业务。

Ningbo Yinzhou Tangxi valve Fittings Factory specializes in making pour oil pump, gear pump, all kinds of oil pump, valve etc, accepts processing of hardware part for machine.

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根据圆锥滚子轴承产品图尺寸要求，结合保持架机械加工实际情况，探讨装配胎的设计方法。

According to dimension requirement of tapered roller bearing product drawing and actual situation of cage machining, the design method of assembling die is discussed.

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