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Method and fixture for polishing tooth surface of worm by using numerical control lathe

A technology of CNC lathe and worm tooth surface, applied in the direction of components with teeth, gear teeth, gear cutting machines, etc., can solve the problems of uneven tooth surface polishing, low efficiency, etc., to facilitate promotion, improve efficiency, and improve quality stability. sexual effect

Pending Publication Date: 2021-02-02
GUIZHOU QUNJIAN PRECISION MACHINERY
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the method in the prior art has potential safety hazards, uneven tooth surface polishing, low efficiency, and relying on operator experience for processing, which is not conducive to popularization

Method used

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  • Method and fixture for polishing tooth surface of worm by using numerical control lathe
  • Method and fixture for polishing tooth surface of worm by using numerical control lathe

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Embodiment Construction

[0015] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0016] A method of polishing the tooth surface of a worm by using a numerically controlled lathe of the present invention, such as figure 1 As shown, the method is that the worm 12 is clamped on the tool rest of the CNC lathe by a clamp, and then the polishing wheel 14 is clamped on the headstock of the CNC lathe, and the polishing wheel 14 is driven by the CNC lathe to rotate; 12 translates and contacts the high-speed rotating polishing wheel 14, and polishes the tooth surface of the worm 12 through the friction between the polishing wheel 14 and the tooth surface of the worm 12. After the worm 12 clamped on the CNC lathe tool holder contacts with the polishing wheel 14, the worm 12 rotates relative to the polishing wheel 14 under the friction of the polishing wheel 14, and the linear speed of the worm 12 rotation is smaller than that of the ...

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Abstract

The invention discloses a method and a fixture for polishing a tooth surface of a worm by using a numerical control lathe. The method comprises the steps that a worm is clamped on a tool rest of the numerical control lathe through the fixture, then a polishing wheel is clamped on a lathe head of the numerical control lathe, and the numerical control lathe drives the polishing wheel to rotate; andthen the tool rest is controlled to horizontally move the worm to make contact with the polishing wheel rotating at a high speed, and the tooth surface of the worm is polished through friction betweenthe polishing wheel and the tooth surface of the worm. Worms with different parameters ca be clamped by replacing different wheel shafts for polishing operation; an operator does not need to fix theworm with hands, and potential safety hazards can be eliminated; and the numerical control lathe can control polishing time and improve efficiency, the polishing wheel drives the worm to rotate, the polishing uniformity of the tooth surface is guaranteed, quality stability is improved, and popularization is facilitated.

Description

technical field [0001] The invention relates to a method and a fixture for polishing the tooth surface of a worm by using a numerical control lathe, belonging to the technical field of mechanical processing. Background technique [0002] Noise has become an important indicator for evaluating worm gear transmission mechanisms. The roughness of the worm tooth surface is closely related to the transmission noise, and the improvement of the tooth surface roughness can significantly reduce the noise of the worm gear transmission mechanism. Most of the existing worm tooth surfaces are finished by thread grinders, and the surface roughness of the processed worms is between Ra0.6-Ra0.8. In order to improve the tooth surface roughness, the method in the prior art is to hold the worm by hand The tooth surface is polished against the polishing wheel, and the roughness of the tooth surface after polishing is Ra0.2-Ra0.4. However, the method in the prior art has potential safety hazard...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23F19/02B23F23/06
CPCB23F19/02B23F23/06
Inventor 何正伟
Owner GUIZHOU QUNJIAN PRECISION MACHINERY
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