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Microstructure channel and lubricating oil groove composite guide rail and method

A lubricating oil groove and micro-texture technology, which is used in metal processing equipment, maintenance and safety accessories, metal processing machinery parts, etc., can solve problems such as the contradiction between groove size requirements and requirements, and achieve increased oil storage capacity and improved lubrication effect. , Improve the effect of uniform distribution

Inactive Publication Date: 2020-08-28
SHANDONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the same way, it can solve the problem of contradictory requirements for groove size in terms of bearing capacity and lubrication when micro-textured grooves are used alone

Method used

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  • Microstructure channel and lubricating oil groove composite guide rail and method
  • Microstructure channel and lubricating oil groove composite guide rail and method
  • Microstructure channel and lubricating oil groove composite guide rail and method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] Such as Figure 1-3 As shown, on the guide rail surface of the moving parts (that is, the surface in contact with the fixed guide rail 2 in the sliding guide rail 1), a lubricating oil groove 3 and a micro-textured groove 4 are provided. The depth is 1.5 mm, and the width is 3 mm; the micro-textured groove 4 has a rectangular cross section, the depth is 200 μm, the width is 500 μm, and the distance between adjacent micro-textured grooves 4 is 1000 μm; 2, on the surface in contact with the sliding guide rail 1), an oil inlet hole 5 and a straight oil inlet groove 6 are offered. The lubricating oil flows in from the oil inlet, passes through the oil inlet groove 6, enters the lubricating oil groove 3 and the micro-textured groove 4, and forms an oil film during sliding, which avoids dry friction and improves the lubricating effect.

Embodiment 2

[0042] Such as figure 2 ,4 , 5, on the guide rail surface of the moving parts (that is, the surface in contact with the fixed guide rail 2 in the sliding guide rail 1), a lubricating oil groove 3 and a micro-texture structure are provided. The lubricating oil groove 3 is a linear oil groove with a rectangular section, and the depth is 1mm. The width is 3 mm; the micro-texture is a rectangular cross-section, the depth is 30 μm, the width is 50 μm, and the spacing is 500 μm; on the guide rail surface of the fixed part (that is, the surface in contact with the sliding guide rail 1 in the fixed guide rail 2), an oil inlet hole 5 is provided With straight oil inlet groove6. The lubricating oil flows in from the oil inlet, passes through the oil inlet groove 6, enters the lubricating oil groove 3 and the micro-textured groove 4, and forms an oil film during sliding, which avoids dry friction and improves the lubricating effect.

Embodiment 3

[0044] This embodiment provides a dimensional design method for a composite guide rail with micro-textured grooves and lubricating oil grooves, which includes the following steps:

[0045] Step 1. Select the appropriate lubricating oil tank form according to the layout of the guide rail and the oil supply method.

[0046] Step 2, designing micro-textured grooves perpendicular to the sliding direction in the oil groove gap.

[0047] Step 3: When the lubricating oil viscosity is low, the sliding speed is high, and the oil supply is easy, the micro-textured groove with small width and large spacing should be used; when the lubricating oil viscosity is high, the sliding speed is low, and the oil supply is difficult, the large width and small groove should be used. pitch micro-textured grooves.

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Abstract

The invention relates to a microstructure channel and lubricating oil groove composite guide rail and a method. The composite guide rail comprises a fixed guide rail and a sliding guide rail, whereinthe surface of the fixed guide rail and the surface of the sliding guide rail are in mutual contact, and the sliding guide rail can perform reciprocating rectilinear motion relative to the fixed guiderail; the surface, in contact with the sliding guide rail, of the fixed guide rail is provided with an oil feeding hole and an oil feeding groove, and the oil feeding hole is used for supplying oil to the oil feeding groove; the surface, in contact with the fixed guide rail, of the sliding guide rail is provided with lubricating oil grooves, multiple microstructure channels are uniformly distributed between the adjacent lubricating oil grooves, and the extension direction of the microstructure channels is perpendicular to the motion direction of the sliding guide rail; the lubricating oil grooves and the microstructure channels can simultaneously contain lubricating oil so as to form an oil film between the contact surfaces of the sliding guide rail and the fixed guide rail; and the quantity and size of the lubricating oil grooves and the microstructure channels are set according to the principle that the bearing capacity of the sliding guide rail is higher than a set demand under thesituation that the lubricating oil grooves and the microstructure channels are arranged.

Description

technical field [0001] The disclosure belongs to the technical field of sliding guide rails, and in particular relates to a composite guide rail with micro-textured grooves and lubricating oil grooves and a method thereof. Background technique [0002] As the main guiding and supporting component of the machine tool, the guide rail is one of the most critical basic components in the machine tool. Its accuracy and performance largely determine the rigidity, precision and precision retention of the machine tool, and play a very important role in the machining accuracy, production quality, and service life of the machine tool. Ordinary sliding guides are widely used in machine tools because of their simple structure, good manufacturability, and ease of ensuring precision and rigidity. However, because it is difficult to form complete liquid friction, there are problems such as large friction resistance, fast wear, low life, and low speed. Weaknesses such as crawling. [0003]...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23Q1/01B23Q11/12
CPCB23Q1/017B23Q11/124
Inventor 岳鸿志邓建新郑芸芳
Owner SHANDONG UNIV
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