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Shaving cutter design method based on analysis on meshing contact property of shaving gears

A technology of contact characteristics and gear shaving cutters, which is applied to components with teeth, gear teeth manufacturing tools, gear teeth manufacturing devices, etc., can solve the problem that the gear shaving cutter no longer meets the processing conditions, and avoid the trial shaving process Effect

Inactive Publication Date: 2017-05-03
XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
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Problems solved by technology

In addition, even if the gear shaving cutter meets the shaving requirements at the beginning, as the gear shaving cutter is modified or sharpened, the change of the shaving condition is accompanied by the change of the tooth meshing parameters, which will make the gear shaving cutter no longer meet the requirements. Processing conditions

Method used

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  • Shaving cutter design method based on analysis on meshing contact property of shaving gears
  • Shaving cutter design method based on analysis on meshing contact property of shaving gears
  • Shaving cutter design method based on analysis on meshing contact property of shaving gears

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Embodiment Construction

[0054] Such as Figure 1-5 As shown, according to the technical solution of the present invention, this embodiment provides a shaving cutter design method based on the analysis of the shaving mesh contact characteristics, which specifically includes the following three parts:

[0055] (1) Construct the mathematical model and mechanical model of the shaving mesh;

[0056] (2) Deduce the meshing contact characteristics (normal force, contact stress and deformation) of the tooth profile with any curvature radius;

[0057] (3) Adjust the design parameters of the gear shaving cutter according to the contact characteristics, use the contact characteristics obtained in (2), and finally compare the contact characteristic test results of the two groups of gear shaving cutter parameters, and finally obtain the design parameters of the gear shaving cutter.

[0058] Specific steps include:

[0059] Set the parameters of the workpiece gear to: number of teeth Z 2 , normal modulus m n2 ...

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Abstract

The invention relates to a shaving cutter design method based on analysis on a meshing contact property of shaving gears, belongs to the field of non-linear contact theories and gear surface machining. The shaving cutter meeting a shaving condition and with excellent meshing performance is designed according to workpiece gear parameters based on a meshing theory and a contact theory; the shaving gear meshing contact property (including a normal acting force, a contact stress and deformation of arbitrary curvature radius on an effective tooth profile) is derived by building a mathematical model and a mechanical model about meshing of the shaving gears; the parameter of the shaving cutter is modified according to the contact property and the shaving condition; the modified meshing contact property is acquired after checking computation on universality of the shaving cutter is met; and finally the shaving cutter design parameter is determined. According to the method of the invention, the shaving cutter with excellent contact performance can be accurately designed, a link of trying to use the shaving cutter is effectively avoided, a contact property curve when the shaving gears are meshing is intuitively derived by using a mathematical method, and an important guiding significance is provided for improving shaving efficiency and reducing meshing impacts and tooth errors of the shaving gears.

Description

technical field [0001] The invention belongs to the category of shaving mesh contact analysis in the field of gear processing, and specifically relates to a shaving cutter design method based on the analysis of shaving mesh contact characteristics. Background technique [0002] Gear shaving is one of the most widely used gear finishing methods, and it is an important link to ensure the surface accuracy, transmission performance and service life of the tooth surface. Reasonable design of gear shaving cutter parameters is an important guarantee for smooth gear shaving process. A suitable gear shaving cutter can not only shave the workpiece gear efficiently, but also reduce the concave error of the tooth surface to ensure the stability and reliability of gear transmission. sex. [0003] Generally, when designing gear shaving cutters, the gear shaving cutters are designed solely by reducing the meshing angle by relying on engineering experience. A gear shaving cutter with exce...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/50B23F21/28
CPCB23F21/28G06F30/17
Inventor 蔡安江刘磊张华李玲李丽霞郭师虹
Owner XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
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