DEVICE FOR FIXING HOUSING OF ROCKET ENGINE WITH CONVEX BOTTOM ON LATHE DURING MACHINING Russian patent published in 2020 - IPC B23B31/40 B23Q3/12 

FIELD: technological processes.

SUBSTANCE: invention relates to technological attachments for lathe group lathes and can be used for fixation of convex bottom rocket engine body on lathe. Device comprises ring sectors configured to rigidly attach to the chuck cams and contact with the inner cylindrical surface of the fixed housing when the jaws are released, wherein device is equipped with conical mandrel, made with possibility of installation in central channel of chuck, and fixed in bore of conical mandrel by one end shaft, on the other end of which there is an anvil arranged in the form of a triangular plate with three sharpened projections with the possibility of their resting against base surfaces of the bottom of the housing.

EFFECT: use of invention increases accuracy of location of fixed housing on machine during processing.

1 cl, 6 dwg