Concave-convex alternate microstructure guide rail and manufacturing method thereof

A production method and micro-texture technology, applied in the direction of manufacturing tools, large-scale fixed members, metal processing machinery parts, etc., can solve the problems of shape and texture function limitations, single texture is difficult to process, and guide rails are easy to wear, etc. Low cost, low processing heat and high processing efficiency

Pending Publication Date: 2018-07-13
NANTONG UNIVERSITY +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention mainly aims at the problem that the working surface of the guide rail is easy to wear and crawl, but the single texture with complex morphology is difficult to process, and the function of part of the morphology texture is limited. Production Method

Method used

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  • Concave-convex alternate microstructure guide rail and manufacturing method thereof
  • Concave-convex alternate microstructure guide rail and manufacturing method thereof
  • Concave-convex alternate microstructure guide rail and manufacturing method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Example 1. The embodiment of the present invention provides a method for preparing a concave-convex micro-textured guide rail on a CA6140 ordinary lathe, and the steps are as follows:

[0025] Step 1, CA6140 ordinary lathe, the guide rail type is a rectangular sliding guide rail, the specific geometric parameters of the shape of the micro-dimple 2 are: the diameter of the micro-dimple d = 65um, the depth of the micro-dimple h = 5um, the distance between the appearance k1 = 225um, the shape Area occupancy rate S1=5%. Specific geometric parameters of micro-protrusion 3 morphology: micro-protrusion diameter D = 107 mm, micro-protrusion height H = 2 um, feature distance k2 = 200 um, and feature area occupancy rate S2 = 22.5%.

[0026] Step 2, the guide rail surface 1 needs to undergo a pretreatment process before laser micromachining, and the pretreatment process adopts grinding to make the guide rail surface 1 precision meet the requirements of laser micromachining, surfa...

Embodiment 2

[0031] Example 2, such as Figure 5 As shown, the concave-convex alternate micro-texture morphology of the present invention is applied to the static guide rail 7 of the triangular guide rail, corresponding to the moving guide rail 6 of the triangular guide rail.

Embodiment 3

[0032] Example 3, such as Figure 6 As shown, the concave-convex alternate micro-texture morphology of the present invention is applied to the static guide rail 9 of the dovetail guide rail, corresponding to the moving guide rail 8 of the dovetail guide rail.

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Abstract

The invention discloses a concave-convex alternate microstructure guide rail and a manufacturing method thereof and relates to the technical field of machine tool guide rail surface treatment. Concave-convex alternate microstructures are distributed on a guide rail surface. The concave-convex alternate microstructures are structures that single-row micro concave pit morphology and single-row microconvex morphology are equidistantly and alternately arranged. According to the guide rail and the manufacturing method, the problems that machining of single texture composite morphology is difficult, the functions of micro concave pit oil storage and oil supply are difficult to play in concave-convex composite morphology, and lubricating oil cannot flow are solved, thus, abrasion is reduced better, and the phenomenon of machine tool or guide track creeping is restrained.

Description

technical field [0001] The invention relates to a surface treatment technology of a machine tool guide rail. Through a laser micromachining process, a surface morphology with a micro-pit texture and a micro-protrusion texture distributed at intervals is formed on the surface of the machine tool guide rail, and specifically relates to a surface micro-texture guide rail technology. Applications in the machine tool industry. technical background [0002] With the advancement of science and technology, the demand for complex precision parts has increased significantly, and precision machine tools play an important role in the machinery manufacturing industry. The guide rail of the machine tool is a key component of the whole machine, and its performance directly affects the machining accuracy and the life of the machine tool. Common defects of machine tool guide rails include large guide rail contact area, uneven distribution of oil film, increased adhesive wear, guide rail sur...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23Q1/01B23P15/00
CPCB23P15/00B23Q1/01B23Q1/017
Inventor 朱维南王浩符永宏钟行涛解玄韩洪松康正阳
Owner NANTONG UNIVERSITY
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