SU30535A1 - Guide fixture to lathe for bolt processing - Google Patents

Description

A threaded attachment to lathes for machining bolts using replaceable nipples screwed into a cartridge mounted on an old man's spindle and provided with a slot on the free end, designed according to the shape of a faceted bolt head and intended for its placement during machining. ;.

In the drawing. 1 shows the external appearance of the cartridge of the proposed device; FIG. 2 is a longitudinal section of it; FIG. 3-5 view of interchangeable nipple in three projects.

A chuck 7 (Fig. 1 and 2) is screwed onto the lathe spindle, provided with a facet 2 for the key and a slotted socket. One of the interchangeable nipples 3 (Fig. 3-5), fitted on to, is screwed into the latter with a threaded shank 4. the cylindrical surface of the faces for the key and on the end side of the socket 5 for placing a faceted bolt head.

The subject matter of the invention.

A drive attachment to a lathe for machining bolts, characterized in that for the purpose of centered fastening of facets of the heads, replaceable nipples 3 (FIG. 1), inserted by OWN, threaded shank, are used. mi in the front part of the chuck / on the machine spindle, fitted on the free end with a recess 5, designed to place faceted bolt heads.

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