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.
Highlights
Hydraulic cylinders are widely used in mining industry as hydraulic pillars for mine roof supports, as well as actuators for different mining equipments
The device was developed in the way that allows grinding of a part of the hydraulic cylinder with high-quality and productively, while the cylinder is being manufactured or repaired and reconstructed
The principle included in the design of this device, allows under hard radial run-outs of samples to polish the plungers of hydraulic cylinders, but other similar parts
Summary
Hydraulic cylinders are widely used in mining industry as hydraulic pillars for mine roof supports, as well as actuators for different mining equipments. Analysis of ways to enhance the effectiveness of the grinding process of essential parts of hydraulic cylinders shows that there are significant and vacant reserves of potential opportunities in this problem [1]. They can be divided into two groups – technological ways to improve grinding efficiency and instrumental ones. The first group includes the development of advanced methods of grinding and construction of machine tools for their implementation. The second group includes design, manufacture and application of new high-performance constructions of grinding tools
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