DEVICE FOR FIXATION OF ROCKET ENGINE HOUSING WITH CURVILINEAR BOTTOM Russian patent published in 2020 - IPC B23B31/40 B23Q3/12 

FIELD: technological processes.

SUBSTANCE: invention relates to the field of lathe processing and can be used as a tooling for securing the workpiece of the rocket engine body with a curvilinear bottom having a hole in the center on the lathe during its processing. Device comprises annular sectors configured to rigidly attach to the chuck jaws of lathe and contact with the inner cylindrical surface of the treated body when the jaws are released, wherein it is equipped with a mandrel consisting of base and pipe, and fixed in tube hole by one end stepped shaft, on the other end of which there is a stop with a sharpened annular projection, made with possibility of resting against the concaved profile of the inner surface of the bottom of the above housing, wherein said base is configured to be installed in central channel of chuck. Versions of the mandrel and the anvil are different.

EFFECT: use of the invention increases accuracy of location when fixing a workpiece of the housing on the machine and accordingly increases accuracy of its processing.

4 cl, 16 dwg