Accurate grinding method for tiny ball nuts

A technology of ball screw nut and precision grinding, which is applied in the direction of metal processing equipment, grinding/polishing equipment, grinding machines, etc., can solve the difficulty of grinding and processing ball nut nut, and the surface roughness of ball nut nut can not reach the ball wire Bar pair and other problems to achieve the effect of increasing the range and realizing precision machining

Inactive Publication Date: 2013-12-04
安顺虹特滚珠丝杠有限责任公司
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the prior art, the use of grinding machines can only process ball nuts with a middle diameter greater than ¢16. It is very difficult to grind ball nuts with a middle diameter smaller than ¢16. Even if it can be processed, the precision and The surface roughness does not meet the technical requirements of the ball screw pair

Method used

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  • Accurate grinding method for tiny ball nuts

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Embodiment Construction

[0011] The present invention is described in further detail below in conjunction with embodiment:

[0012] 1. Transformation of lathe:

[0013] (1). Change the longitudinal screw 4, horizontal screw 6 and tool holder T-type screw 3 on the ordinary lathe into precision ball screws to improve the running accuracy and repeat positioning accuracy of the machine tool, and meet and meet the needs of ball screw nuts. Grinding accuracy requirements;

[0014] (2). Adjust the matching between the large supporting plate 5, the middle supporting plate 7 and the small supporting plate 2 on the ordinary lathe to ensure the stability during grinding;

[0015] 2. Install the electric spindle grinding head and the helix angle adjustment mechanism 1 on the tool holder, that is, install the electric spindle grinding head of 80,000 to 120,000 rpm to ensure that when grinding the small medium-diameter wire nut raceway, The grinding wheel has sufficient cutting speed (10 m / s ~ 15 m / s). However, ...

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Abstract

Disclosed is an accurate grinding method for tiny ball nuts. According to the method, the problems of the background technology that only ball nuts with pitch diameter larger than phi 16 can be machined even if a grinder is used, and the accuracy and the surface roughness cannot meet requirements even if the ball nuts can be machined. The method is characterized in that longitudinal lead screws 4, a transverse lead screw 6 and a knife rest T-shaped lead screw 3 on a common lathe are changed into precise ball screws. A large support plate 5, a small support plate 7 and a small support plate 2 are adjusted to be mutually matched. An electric spindle grinding head and a helix angle adjusting mechanism 1 are mounted on a knife rest. A grinding cooling lubrication system is arranged according to grinding requirements. The accurate grinding method has the advantages that the problem of grinding of tiny pitch-diameter ball nuts is solved, and the tiny pitch-diameter ball nuts are accurately machined; an internal thread grinder can be replaced, the internal thread grinding range is expanded; transformation costs for one grinder through the technology of the method is 6, 5000 yuan, but an internal thread grinder costs more than 300, 000 yuan; the method is used for grinding of ball nuts with pitch diameter larger than phi 16.

Description

technical field [0001] The present invention belongs to B24 in the international patent classification, that is, grinding processing, especially a method for precision grinding and processing tiny ball nuts. Background technique [0002] In the prior art, the use of grinding machines can only process ball nuts with a middle diameter greater than ¢16. It is very difficult to grind ball nuts with a middle diameter smaller than ¢16. Even if it can be processed, the precision and The surface roughness does not meet the technical requirements of the ball screw pair. Contents of the invention [0003] In order to solve the deficiencies in the above-mentioned background technology, the object of the present invention is to provide a method for precision grinding and processing tiny ball nuts. The technical solution of the present invention is: take common lathe as processing tool, it is characterized in that: [0004] 1. Transformation of lathe: [0005] (1). Change the longit...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B24B19/00
Inventor 方亮
Owner 安顺虹特滚珠丝杠有限责任公司
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