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Full gear surface shape modification method for internal gear powerful gear honing

A powerful, internal tooth technology, applied in the direction of components with teeth, gear teeth, belt/chain/gear, etc., can solve the problem of high price, shorten the manufacturing cycle, shorten the development cycle and reduce the production cost.

Active Publication Date: 2018-06-08
HEFEI UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, we have to buy foreign medium and high-end powerful gear honing machine tools, such as Gleason in the United States, Kapp-Niles in Germany, Fassler in Switzerland, Reishauer in Switzerland, etc. These machine tools are not only expensive, but if you change the processing gear, you must completely rely on the technicians of foreign companies to re- Modify the processing technology and parameters

Method used

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  • Full gear surface shape modification method for internal gear powerful gear honing
  • Full gear surface shape modification method for internal gear powerful gear honing
  • Full gear surface shape modification method for internal gear powerful gear honing

Examples

Experimental program
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Effect test

Embodiment 1

[0038] The number of teeth of the processed gear N g is 73, the normal modulus m n 2.25mm, normal pressure angle α n 20 degrees, tooth width b g 50mm, helix angle β g is 33 degrees, and the direction is right-handed; for the modification amount of the processed gear, see Figure 4 Shown in S5.

[0039] The specific operation steps of full tooth surface modification of internal tooth power honing are as follows:

[0040] (1) Dressing of honing wheel tooth surface

[0041] according to figure 2 In step S1, use a standard involute helical diamond dressing wheel to dress the honing wheel. The linkage relationship between the rotary axis of the diamond dressing wheel and the rotary axis C1 of the honing wheel is:

[0042]

[0043] Where: φ h is the rotation angle of the honing wheel, in rad; φ d is the diamond dressing wheel rotation angle, in rad. Complete the trimming of the honing wheel tooth surface;

[0044] (2) Establish a mathematical model of the honing proc...

Embodiment 2

[0061] The number of teeth of the processed gear N g is 50, the normal modulus m n 2.25mm, normal pressure angle α n 20 degrees, tooth width b g 50mm, helix angle β g is 33 degrees, and the direction is right-handed; for the modification amount of the processed gear, see Figure 5 Shown in S7, it is the same as the amount of modification in Example 1.

[0062] The specific operation steps of full tooth surface modification of internal tooth power honing are as follows:

[0063] (1) Dressing of honing wheel tooth surface

[0064] according to figure 2 In step S1, use a standard involute helical diamond dressing wheel to dress the honing wheel. The linkage relationship between the rotary axis of the diamond dressing wheel and the rotary axis C1 of the honing wheel is:

[0065]

[0066] Where: φ h is the rotation angle of the honing wheel, in rad; φ d is the diamond dressing wheel rotation angle, in rad.

[0067] (2) Establish a mathematical model of the honing pro...

Embodiment 3

[0084] The number of teeth of the processed gear N g is 50, the normal modulus m n 2.25mm, normal pressure angle α n 20 degrees, tooth width b g 50mm, helix angle β g is 33 degrees, and the direction is right-handed, and the parameters of the processed gear are the same as in embodiment 2; the modification amount of the processed gear is shown in Image 6 Shown in S9.

[0085] The specific operation steps of full tooth surface modification of internal tooth power honing are as follows:

[0086] (1) Dressing of honing wheel tooth surface

[0087] according to figure 2 In step S1, use a standard involute helical diamond dressing wheel to dress the honing wheel. The linkage relationship between the rotary axis of the diamond dressing wheel and the rotary axis C1 of the honing wheel is:

[0088]

[0089] Where: φ h is the rotation angle of the honing wheel, in rad; φ d is the diamond dressing wheel rotation angle, in rad.

[0090] (2) Establish a mathematical model ...

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Abstract

The invention relates to a full gear surface shape modification method for internal gear powerful gear honing. The method is applicable to a numerical control internal gear powerful gear honing machine. The gear honing machine comprises seven numerical control shafts and an internal gear powerful gear honing electronic gear box; on the basis of using the internal gear powerful gear honing electronic gear box, a polynomial function is set for the movement of a shaft intersecting shaft A and a rotating shaft B of a honing wheel support frame along an axial feed shaft Z2 of a workpiece gear, andfor the processed shape modification gear, the optimal polynomial coefficient is solved; under the same modulus conditions, the situation is achieved that the same diamond modification wheel is used for full gear surface shape modification processing of gears which are different in tooth number and shape modification amount. The situation is achieved that the internal gear powerful gear honing machine can flexibly modify the shapes of the gears different in shape modification amount by the linkage of all the motion shafts, and there is no need to prepare different diamond modification wheels for different workpiece gears, so that the development and manufacturing period of the shape modification gears is shortened by 50-60%, the production cost is reduced, and the shape modification precision is increased by 40-50%.

Description

technical field [0001] The invention belongs to the technical field of gear processing and manufacturing, and in particular relates to a full-tooth-surface modification method for powerful honing of internal teeth. Background technique [0002] As a gear finishing process, internal tooth power honing is used to eliminate gear errors after rough machining and heat treatment. Modified gears are widely used in gear transmission due to their advantages of low noise and low vibration. When processing the modified gear with internal tooth power honing, it is necessary to produce a diamond dressing wheel that is the same as the gear to be processed, use the diamond dressing wheel to envelop the tooth surface of the honing wheel, and then use the honing wheel to process the required modified gear . Using this method to process modified gears needs to make different diamond dressing wheels for different workpiece gears. One diamond dressing wheel can only process one kind of modifi...

Claims

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Application Information

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IPC IPC(8): B23F19/05
CPCB23F19/05
Inventor 韩江朱永刚夏链袁彬
Owner HEFEI UNIV OF TECH
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