拖拉机离合器从动盘厚1.5毫米,要求淬火变形小于0.30毫米,过去采用夹具进行回火压紧校直,过去采用的夹具存在着上压盘变形;螺杆与底坐是螺纹连接,要求垂直度高,零件变形稍微大一点便装不进去等缺点。零件变形超差长期得不到解决,我们将夹具改为形状,采用铸铁材料,加了加强筋,增加了刚 Tractor clutch driven plate thickness of 1.5 mm, the required deformation of less than 0.30 mm quenching, the past used to temper clamping fixture, the fixture used in the past there is the deformation of the plate; screw and sit at the end is a threaded connection, requiring high verticality , The deformation of a little larger parts will not fit into the shortcomings. Excessive deformation of parts over time can not be resolved, we will change the shape of the fixture, the use of cast iron materials, plus a stiffener, an increase of just