METHOD OF REPAIR OF THE LEAD SCREW NUT-Reference-Cited by-同舟云学术

METHOD OF REPAIR OF THE LEAD SCREW NUT

Published:2022-07-26 Issue:11 Volume:7 Page:120-127
ISSN:2071-7318
Container-title:Bulletin of Belgorod State Technological University named after. V. G. Shukhov
language:en
Short-container-title:

Author:

Sahnov A.¹,Fomenko Yu.²

Affiliation:

1. BELGOROD STATE AGRICULTURAL UNIVERSITY NAMED AFTER V. GORIN

2. Belgorod State Technological University named after V.G. Shukhov

Abstract

A vise is a device designed for fixing workpieces during machine or manual processing. Vises are widely used in the processing of materials made of metal, wood, plastic and other materials in single or small-scale production. The main parts of the vise are two sponges, one of which has the ability to move relative to the other. The possibility of movement is provided by the lead screw, which rotates in the nut of the lead screw, rigidly fixed in a fixed sponge with a pin. The most common reason for the failure of the vise is the turning of the screw in the nut, which eliminates the possibility of fixing the workpieces. In this case, the thread of the vise nut most often becomes unusable, while the screw practically does not wear out. This is explained by the fact that the screw and nut are made of different materials, and the screw is made more wear-resistant. To restore the nut, cut out of it, for example, with the help of an angle grinder, its threaded part, in the direction A-A. The thickness of the cutting wheel of the angle grinder should not be less than the thread pitch. The cut parts of the nut after connecting them on the screw must be "picked up" by welding. After "tacking" the cut parts of the nut by welding, it is necessary to unscrew the screw and weld the mated elements well. When welding, make sure that the welding bath does not damage the thread. The proposed method of repairing the vise will restore their working condition, while it will be possible to save on the purchase of a new expensive nut.

Publisher

BSTU named after V.G. Shukhov

Subject

Psychiatry and Mental health,Neuropsychology and Physiological Psychology

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