在车偏心零件时,特别是在单件小批生产的情况下,多采用三爪卡盘加垫块的方法。虽然垫块的厚度计算和加工比较容易,但是,由于零件被夹持的外径、垫块厚度和卡盘本身都存在误差,使被加工零件的实际偏心距达不到图纸要求,有时还会产生加工轴心线的偏斜。针对这种情况,我们设计了一种可调偏心卡盘,用来加工偏心距在0～11.5mm范围内的各种偏心零件。该夹具结 Eccentric parts in the car, especially in the case of a single small batch production, the use of three-jaw chuck plus pad method. Although the pad thickness calculation and processing easier, but because the parts are clamped diameter, pad thickness and the chuck itself there is an error, so that the actual part of the workpiece eccentricity does not meet the drawing requirements, and sometimes Deviation of the machining axis occurs. In view of this situation, we designed an adjustable eccentric chuck, used to process eccentric eccentricity in the range of 0 ~ 11.5mm parts. The clamp knot