我厂生产6102等系列干 式薄壁气缸套已有10年历 史,长期以来一直延用传统的弹簧套筒夹具,以精铰后的缸套内孔定位夹紧,车支承肩上、下端面。由于检测基准与加工基准不一致,使得成品缸套支承肩上、下端面对外圆中心线的圆跳动量一直处于非受控状态(GB1150—82规定为O.03mm)。为改变这种状况,我厂自行设计了一种外圆定位夹紧式精车干式薄壁气缸套支承肩专用液性塑料夹具。 Our factory produces 6102 series of dry thin-walled cylinder liner has been 10 years of history, has long been the extension of the traditional spring sleeve fixture to fine reaming cylinder bore positioning clamp, the car support shoulder, the lower end surface . Due to the inconsistency between the test datum and machining datum, the circular runout of the finished cylinder liner on the shoulder and lower end faces of the outer circle has always been in an uncontrolled state (O.110 mm for GB1150-82). In order to change this kind of situation, our factory has designed a kind of liquid plastic fixtures specially designed for cylindrical thin-walled cylinder liner supporting shoulders.