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Machining technology for linear guide rail sliding block

A technology of linear guide rail slider and processing technology, which is applied in the direction of linear motion bearings, anti-centrifugal force rotating parts, bearings, etc., can solve the problems of long processing time, high processing difficulty, troublesome processing procedures, etc., and reduce defective products The effect of reducing production process and reducing production cost

Inactive Publication Date: 2017-06-13
JIANGSU DIYE INSTR TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The cages of the existing sliders are generally made of metal, and there is a steel ball rolling channel inside the cage. After the cage is processed, heat treatment is required. After heat treatment, an oxide layer will remain on the inner wall of the steel ball rolling channel. Rolling is processed, the processing difficulty is relatively high, and the processing process is also relatively troublesome, so the processing time is relatively long and the cost is relatively high
There are many ways to make sliders, but there are these problems, such as insufficient slider strength, insufficient hole precision of sliders, and overall shape of sliders that do not meet the requirements. Such sliders do not meet market demand and are not conducive to smooth operation. conduct

Method used

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  • Machining technology for linear guide rail sliding block
  • Machining technology for linear guide rail sliding block
  • Machining technology for linear guide rail sliding block

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] A linear guide rail slider processing technology, comprising the following steps:

[0021] Cut the prepared round steel with a hardness of 40cr into several sections, forge the round steel into blanks according to the requirements and dimensions of the drawing, and check whether it meets the process requirements;

[0022] Qualified blanks are rough milled on six sides by CNC machine tools, punched and tapped according to the drawing requirements and dimensions, and then chamfered. The surface roughness of rough milling is 3.2;

[0023] Carry out 28~32HRC, finish milling on six surfaces, the surface roughness of finish milling is 1.6, and then polish the surface;

[0024] The semi-finished slider is dug out of the tool groove, and the two rows of the raceway are processed by the CNC machine tool at the same time, and high-precision flat grinding is carried out;

[0025] Detect and store sliders.

Embodiment 2

[0027] A linear guide rail slider processing technology, comprising the following steps:

[0028] Cut the prepared round steel with a hardness of 40cr into several sections, cold-roll the round steel according to the requirements and dimensions of the drawings, and then perform roughening treatment to form blanks, and check whether they meet the process requirements;

[0029] Qualified blanks are rough milled on six sides by CNC machine tools, punched and tapped according to the drawing requirements and dimensions, and then chamfered. The surface roughness of rough milling is 3.2;

[0030] Carry out 28~32HRC, finish milling on six surfaces, the surface roughness of finish milling is 1.6, and then polish the surface;

[0031] For heat treatment, the surface is carburized first, then quenched, and finally tempered at low temperature to obtain a semi-finished slider of 20CrMo;

[0032] The semi-finished slider is dug out of the tool groove, and the two rows of the race...

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Abstract

The present invention proposes a linear guide slider processing technology, including the following steps: (1) cold rolling forming; (2) rough milling, drilling, tapping; (3) quenching and tempering, fine milling, polishing; (4) heat treatment; (5) raceway processing; (6) detection and storage. The processing technology proposed by the present invention is reasonable, easy to operate, improves the precision of the slider, reduces the related production process, thereby reduces the production cost, improves the production efficiency, and at the same time, improves the strength and corrosion resistance of the slider performance, reducing the generation of unqualified products and meeting the needs of the market.

Description

technical field [0001] The invention relates to the technical field related to linear guide rails, in particular to a processing technology for linear guide rail sliders. Background technique [0002] Linear guides are used to support and guide moving parts, and perform reciprocating linear motion in a given direction. Generally, they can be divided into: roller linear guides, cylindrical linear guides, and ball linear guides. Linear guides are used in linear reciprocating motion applications, have a higher rated load than linear bearings, and can bear a certain torque at the same time, and can achieve high-precision linear motion under high load conditions. Linear guides, like planar guides, have two basic elements; one as a guide is a fixed element, and the other is a moving element. There is no intermediate medium between the moving element and the fixed element of the linear guide rail, but rolling steel balls are used. It can also be understood as a rolling guide, whi...

Claims

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Application Information

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IPC IPC(8): B23P15/00F16C29/04
CPCB23P15/00F16C29/04F16C2220/44F16C2220/62F16C2220/70F16C2223/12F16C2223/18
Inventor 郑冬
Owner JIANGSU DIYE INSTR TECH CO LTD
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