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Tooth profile error control method and device for worm grinder

A tooth shape error, worm grinding machine technology, applied in the direction of grinding automatic control device, grinding machine parts, workpiece feed movement control, etc., can solve the problems of difficult grinding wheel dressing, uncontrollable precision, etc., and achieve compact structure , simple method, good stability

Active Publication Date: 2016-08-24
JIANGSU UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] The purpose of the present invention is to provide a tooth profile error control method and device for the worm grinder in view of the difficulty in dressing the grinding wheel of the existing worm grinder and the problem that the accuracy cannot be controlled

Method used

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  • Tooth profile error control method and device for worm grinder
  • Tooth profile error control method and device for worm grinder
  • Tooth profile error control method and device for worm grinder

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Experimental program
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Effect test

Embodiment 1

[0038] A ZK worm grinder tooth profile error control method, such as figure 1 As shown, when processing a ZK worm 12 with different parameters, first input the modulus, diameter coefficient and head number of the ZK worm 12 to the numerical control system 17, and the numerical control system 17 calculates the corresponding pitch circle, addendum, Tooth height and other dimensions.

[0039] As the grinding progresses, the emery wheel 11 will wear gradually, and the diameter will be reduced to 300mm from 500mm (the original diameter of the emery wheel 11 is also 400mm). Therefore, it is easy to control the tooth profile error only when the grinding wheel 11 is just used. When there is no problem in tool setting, the longitudinal feed is also determined due to a certain diameter, and the workbench can ensure the tooth profile accuracy only by lateral feed.

[0040] Along with the wearing and tearing of emery wheel 11, its diameter becomes smaller gradually, will measure very dif...

Embodiment 2

[0046] Such as Figure 2-8 shown.

[0047] A tooth profile error control device for a worm grinding machine, which mainly includes a grinding wheel dressing device, an optical system 13, a CCD image sensor 14, a computer data acquisition and processing system 25, an infrared emitter 15, an inductor 16 and a numerical control system 17, such as figure 2 As shown, the optical system 13 is an infrared light source, which is installed in the protective cover of the machine tool, between the grinding wheel 11 and the ZK worm 12, near the upper position of the grinding wheel 11 (the index circle of the grinding wheel 11 can be irradiated when not feeding) and the top of the tooth, when feeding, it can illuminate the area where the grinding wheel 11 and the worm 12 coexist), such as image 3 As shown, the CCD image sensor 14 used to sense the optical system 13 faces the optical system 13, is located below the grinding wheel 11 and is electrically connected with the computer data ac...

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Abstract

The invention discloses a tooth profile error control method and device for a worm grinder. The tooth profile error control method and device for the worm grinder are characterized in that the device mainly comprises a trimmer, an optical system, a CCD image sensor, a computer data collecting and processing system, an infrared emitter, an inductor and a numerical control system. The trimmer is located at the uppermost portion, the optical system is installed inside a grinder protective cover and located between a grinding wheel and a ZK worm, the CCD image sensor and the computer data collecting and processing system are located at the other end of the grinding wheel so as to receive signals conveniently, the infrared emitter is installed on the left side of a workbench, and the inductor is fixed to the right side of the workbench. Through the CCD projection measurement and infrared induction technology, the abrasion situation of the grinding wheel, whether tool setting is accurate or not and the needed longitudinal feed amount are conveniently and accurately mastered, and the tooth profile error control over the ZK worm is achieved.

Description

technical field [0001] The invention relates to a technology for mechanical processing, especially a tooth profile error control technology for a worm grinder, specifically a tooth profile error control method and device for a ZK worm grinder. Background technique [0002] Worm drive has the characteristics of large reduction ratio, compact structure, stable transmission, etc., and is widely used in various transmission devices and indexing mechanisms. Among ordinary cylindrical worm drives, ZK worm drives can be precisely formed by grinding, have high load capacity and long life, and are suitable for mass production. It is a mechanical transmission form worthy of vigorous promotion. With the development of industrial technology, higher requirements are put forward for the worm pair in terms of load capacity and transmission accuracy. The quality of grinding affects the tooth profile accuracy and surface roughness of the ZK worm. [0003] Excessive smoke from conventional ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B24B51/00B24B49/12
CPCB24B49/12B24B51/00
Inventor 周建忠蒋萍陈寒松黄舒朱涛刘伟张建亮
Owner JIANGSU UNIV
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