Technological features of manufacturing a high precision spool pair.
Abstract
The article deals in detail with the design of the product “High-precision spool pair” and the features of the developed technological process of manufacturing its components. The main stages of mechanical processing of products “Sleeve” and “Spool”, heat treatment, technical control, as well as technological methods to meet the technical requirements are analyzed. In the introduction the justification of the relevance of detailed consideration of the features of the implementation of the technological process of production of high-precision spool pair is given. This unit is a part of electrohydraulic power amplifier – the most important control element of special hydraulic drives used in bench test equipment.
The main content of the work is focused on the description of technical and technological peculiarities of manufacturing components of high-precision spool pair. The basic elements of material and technical equipment of the technological process are given, by means of which micromachining is realized and
high requirements of accuracy and quality of the product are provided: applied equipment, machine tooling and cutting tools. Separately, the article describes the operation of cryoprocessing of parts, pays attention to the testing of finished products, gives the conditions under which the manufactured unit will need rework and under which the product will be considered fit for purpose.
The article aims to provide a complete description of the manufacturing technology of highprecision spool pair components, designed to reveal the need to apply techniques and methods to
achieve high mating accuracy. The main method of achieving the goal is a detailed analysis of all aspects of the technological process of manufacturing components of high-precision spool pair. Nonstandard and rarely used solutions are revealed, the reasons that caused the necessity of their application are established. The main applied result of the work can be considered a detailed illustrated engineering report describing the peculiarities of production of the considered unit.
The main content of the work is focused on the description of technical and technological peculiarities of manufacturing components of high-precision spool pair. The basic elements of material and technical equipment of the technological process are given, by means of which micromachining is realized and
high requirements of accuracy and quality of the product are provided: applied equipment, machine tooling and cutting tools. Separately, the article describes the operation of cryoprocessing of parts, pays attention to the testing of finished products, gives the conditions under which the manufactured unit will need rework and under which the product will be considered fit for purpose.
The article aims to provide a complete description of the manufacturing technology of highprecision spool pair components, designed to reveal the need to apply techniques and methods to
achieve high mating accuracy. The main method of achieving the goal is a detailed analysis of all aspects of the technological process of manufacturing components of high-precision spool pair. Nonstandard and rarely used solutions are revealed, the reasons that caused the necessity of their application are established. The main applied result of the work can be considered a detailed illustrated engineering report describing the peculiarities of production of the considered unit.
Keywords
spool pair, electro-hydraulic amplifier, special hydraulic drives, test benches, bench equipment, high-frequency testing, vibration test benches, life test benches, precision engineering
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