Method for shaping gear shaver

A technology for gear shaving cutters and gears, which is applied to components with teeth, gear teeth, and gear tooth manufacturing tools, etc. It can solve the problems of reduced production efficiency of shaving gears, poor modification targets, and many times of grinding, and achieves the goal of repairing The effect of strong shape and goal, reducing blindness

Inactive Publication Date: 2006-06-07
XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the shaving concave phenomenon is caused by the comprehensive dynamic effect of various error factors in the shaving process, it is difficult to accurately determine the specific position and modification amount of the shaving cutter. Subjective judgment of process experience (the position is about the middle, and the concave length is basically equivalent to the concave length of the workpiece tooth surface), the modification target is poor, the number of grinding times is high, and the modification effect is poor, resul...

Method used

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  • Method for shaping gear shaver
  • Method for shaping gear shaver
  • Method for shaping gear shaver

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0033] Utilize the shaving cutter modification method of the present invention below to carry out the modification with the shaving cutter to the gear that needs shaving processing;

[0034] The relevant parameters of the known processed gears are

[0035] Number of teeth Z 1 =17

[0036] Normal modulus m n =4.7736

[0037] Normal pressure angle α of subcircle n =18.80°

[0038] Circle helix angle β 1 = 0°

[0039] arc tooth thickness S ) n 1 = 8.939

[0040] The radius of curvature of the involute end point ρ max =27.5

[0041] Involute starting circle radius of curvature ρ min =7.82

[0042] Tooth shaving excess δ=1.5

[0043] The relevant parameters of the gear shaving cutter used are:

[0044] Number of teeth Z 2 =47

[0045] Normal modulus m n =4.7736

[0046] Normal pressure angle α of subcircle n =18.8°

[0047] Circle helix ang...

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Abstract

The method of shaping gear shaver includes calculating the curvature values of the practical engagement conversion point based on the curvature values of the machined gear, calculating the corresponding curvature values of the gear shaver in the engagement conversion point based on the no-side gap helical gear engagement formulation, and designing the shape correcting curve of the gear shaver precisely. The method can determine the reverse concave position range of gear shaver fast and accurately and has high shape correcting efficiency and low production cost.

Description

technical field [0001] The invention relates to the technical category of gear shaving technology in the gear manufacturing industry, in particular to a method for modifying the shape of a gear shaving cutter. Background technique [0002] As an economical and efficient gear finishing process, gear shaving has been widely used in the gear manufacturing industry. However, the gear tooth shape after shaving with a standard tooth shape shaving knife often produces a concave shape near the pitch circle, that is, the phenomenon of "shaving tooth concave", which increases the tooth shape error of the processed gear and directly leads to the gear transmission process. generate noise. At present, the effective way to solve the shaving concave in actual production is to modify the shape of the shaving cutter, that is, to modify the shape of the shaving cutter in the middle area of ​​the standard tooth shape. Since the shaving concave phenomenon is caused by the comprehensive dynami...

Claims

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Application Information

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IPC IPC(8): B23F21/28
Inventor 蔡安江杨选文郭师虹
Owner XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
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