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一胎双活就是增加无心夹具的支点,做到一次装卡磨削两个工件。这种新工艺不仅可以用于磨削无挡边的圆柱外圈滚道,双挡边的圆柱外圈滚道,而且还可用于磨削圆锥外圈滚道。采用单极磁力无心夹具,它是通过空气形成磁回路,磁通密度大,可满足双支点支承吸住两个工件,如利用无心夹具双支点一次装卡两个无挡边的圆柱外圈,而后磨削成形。磨双挡边的圆柱外圈滚道与磨无挡边的一样,只是在两片砂轮中间增加一个垫圈,其厚度应是一个挡边宽度的二倍。还阐述了同时加工两个圆锥外圈滚道的方法。
One child double life is to increase the pivot point of the unintentional fixture, so that a loading card grinding two workpieces. This new technology not only can be used for grinding cylindrical outer raceway without ribs, cylindrical outer raceway with double ribs, but also for grinding tapered raceways. Adopting unipolar magnetic centerless jig, it forms the magnetic circuit through the air, the magnetic flux density is big, it can satisfy the double support and absorb the two workpieces. For example, Then grinding forming. Grinding double-sided cylinder outer ring raceway and grinding no wall, just add a washer in the middle of the two wheels, the thickness should be twice the width of a wall. Also described at the same time processing two tapered outer raceway method.