Frock in processing cylinder block shaft hole

The utility model belongs to the technical field of the processing of cylinder block shaft hole, specifically speaking is a frock in processing cylinder block shaft hole. The utility model discloses afrock in processing cylinder block shaft hole include the anchor clamps bodies, rotation portion, the cushion, flexible locating pin no. 1, flexible locating pin no. 2, the boring template frame one,boring template frame no. 2 and boring bar no. 1, the boring template frame one, boring template frame no. 2 sets up respectively at anchor clamps body both ends, on putting up one, has seted up theboring template direction through -hole no. 1, on putting up two, has seted up the boring template direction through -hole no. 2, be provided with bearing no. 1 and uide bushing no. 1 in the directionthrough -hole no. 1, be provided with bearing no. 2 and uide bushing no. 2 in the direction through -hole no. 2, uide bushing no. 1, the sword groove had been seted up on the uide bushing no. 2 respectively, boring bar no. 1 pa