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双偏心轮是少齿差行星减速机上的一个重要零件,下面介绍是其中的一种。其尺寸精度、位置精度要求很高。特别是其偏心距,它关系到减速比的大小(每个机号的每个速比的偏心距都不同,每个机号的内孔直径也不同),而且两道φ47.674_(+0.0010)~(+0.029)是安装滚针轴承的泣置。如果用一般的加工工艺加工它们,难度很大、尺寸精度难以保证,且工效很低。为了保证其精度,提高工效,我们设计制造了一套适应加工此种偏心距不同的双偏心轮的通用型夹具。该夹具如图是由底盘1用螺纹直接和车床主轴连接,(起到固定偏心模之用),然后,
Double eccentric is a small tooth difference planet reducer is an important part of the following is one of them. Its dimensional accuracy, high position accuracy requirements. Especially its eccentricity, it is related to the size of the reduction ratio (for each speed ratio of each machine eccentricity is different, each machine bore diameter is also different), and two φ47.674 _ (+0.0010 ) ~ (+0.029) is the installation of needle bearing wear. If the general processing of their processing, difficult, difficult to ensure dimensional accuracy, and low efficiency. In order to ensure its accuracy and improve work efficiency, we have designed and manufactured a universal fixture suitable for machining double eccentric wheels with different eccentricities. The fixture is shown by the chassis 1 is threaded and lathe spindle connection (played a fixed eccentric model), and then,