Grinding efficiency improvement of hydraulic cylinders parts for mining equipment

Abstract

Abstract. The aim of the article is to find out ways to improve parts treatment and components of mining equipment on the example of hydraulic cylinders parts, used as pillars for mine roof supports, and other actuator mechanisms. In the course of the research work methods of machine retaining devices design were used, the scientific approaches for the selection of progressive grinding schemes were applied; theoretical and practical experience in the design and production of new constructions of grinding tools was used. As a result of this work it became possible to create a progressive construction of a machine retaining device for grinding of large parts of hydraulic cylinders, to apply an effective scheme of rotary abrasive treatment, to create and implement new design of grinding tools by means of grains with controllable shape and orientation. Implementation of the results obtained in practice will improve the quality and performance of repairing and manufacturing of mining equipment.

The Step Feed Mechanisms For Auger Machines

“…At the same time, the two-stage technology has clear advantages. It involves boring a pioneer hole of small diameter at the first stage with an auger screw rod in a direct course and then boring it at the second stage to the desired diameter in a reverse course [1][2][3][4][5][6][7][8].…”