V VOKHMYANIN'S METHOD OF MAKING HOLES IN PARTS

摘要

FIELD: process engineering.SUBSTANCE: invention relates to machining and may be used in making holes. Part is divided into elements to make recesses therein corresponding to would-be holes and rigidly jointing said elements together. Note here that parts are divided to shape aforesaid elements to hollow cylinders or hollow truncated cones.EFFECT: holes of unlimited length and minor cross-section area.4 dwg