Combining inner arc with positive camber of steam seal, realize self -centering of convex, shorten work time, increase craft accuracy and make clamp reliable.

• 利用专用夹具内弧与气封外弧的配合,实现汽封背弧的自定位,缩短了加工时间,提高了加工精度,并使得装夹有效可靠。