Abstract
The formation of the service properties of the gears occurs at the stages of their finishing using processes such as gear grinding, shaving, gear honing, lapping, etc. The main task of the synthesis of technological systems for the gears finishing processing is to determine the optimal parameters and structure of the technological system that provide the specified properties of gears. One of the first stages of the synthesis of technological systems for the gears finishing processing is the determination of the tool geometric parameters. To determine these parameters, a complex of software-implemented algorithms for their calculation has been developed. Using the example of rolling gear tools such as diamond gear hones, an analysis of the influence the independent characteristics of machine engagement on the area of the tool geometric parameters existence is carry out. Based on this analysis, a model of the tool geometry machine engagement with the machining gear was developed. This model is an integral part of the synthesis of technological systems for the gears finishing processing. As a result of this model functioning, the geometric parameters and optimal shapes of the diamond gear hones working layer have been synthesized
Highlights
The contact conditions between a tool and a workpiece in such a complex movement as it occurs in the finishing of gears are mainly established by the law of motion, the form, the position in space and the geometrical dimensions of the working areas in contact [1], [2]
When constructing an information system for the finishing of gears, it is the first and one of the main stages to develop a model that imitates the geometry of machine engagement and can establish the form and the geometrical dimensions of the tool’s working part
It is obvious that this is useful for rack tools only in a narrow range of parameter variation between two dressing processes and a change in the tooth thickness of the gear to be cut during the machining, since all parameters of machine engagement remain unchanged outside this range
Summary
The contact conditions between a tool and a workpiece in such a complex movement as it occurs in the finishing of gears are mainly established by the law of motion, the form, the position in space and the geometrical dimensions of the working areas in contact [1], [2]. When constructing an information system for the finishing of gears, it is the first and one of the main stages to develop a model that imitates the geometry of machine engagement and can establish the form and the geometrical dimensions of the tool’s working part. The area of machine engagement is established taking account of the following limitations: the form of the gear surface, the technological possibilities of tool production and its application to existing machine tools, the strength of the tool teeth as well as the technical and economic machining parameters.
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