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Method for planting solid lubricating material in laser micropore template

A solid lubricating material and microporous technology, applied in metal material coating process, electrolytic coating, electrophoretic plating, etc., can solve the problem of short continuous lubrication time of solid, and achieve the effect of improving anti-wear performance

Inactive Publication Date: 2017-09-22
杭州盛镭激光科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to overcome the problem of short duration of solid lubrication, thereby providing a method for planting a solid lubricant in a laser microporous template, which can continuously release the lubricant during the friction process and achieve the effect of continuous lubrication. This solves the problem of short continuous lubrication time for solids

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] S1: Pre-treat the substrate of the laser cladding layer. Its size is 30mm on a side and 10mm thick. The substrate is polished with 500#, 800#, 1200#, 1500# and 2000# sandpaper in sequence, and the particle size is W2.5 artificial diamond abrasive paste for polishing to make the surface smooth. followed by ultrasonic cleaning with acetone;

[0026] S2: Perform laser microporation treatment on the surface of the iron-based alloy substrate obtained in S1, and place the iron-based alloy substrate obtained in S1 on a 20W laser processing platform with a laser wavelength of 1064nm and a lens of 100mm. Turn on the equipment and adjust the technological parameters of the laser processing, that is, the average laser power is 20W, the laser pulse width is 200nm, the laser frequency is 25kHz, and the single hole action time is 0.3ms. Adjust the height of the laser so that the surface of the workpiece is placed at the focal length of the laser. Draw the processing graphics on the...

Embodiment 2

[0031] This embodiment is the same as Embodiment 1, the difference is:

[0032] S2: Perform laser microporation treatment on the surface of the iron-based alloy substrate obtained in S1, and place the iron-based alloy substrate obtained in S1 on a 20W laser processing platform with a laser wavelength of 1064nm and a lens of 100mm. Turn on the equipment and adjust the technological parameters of the laser processing, that is, the average laser power is 20W, the laser pulse width is 200nm, the laser frequency is 25kHz, and the single hole action time is 0.7ms. Adjust the height of the laser so that the surface of the workpiece is placed at the focal length of the laser. Draw the processing graphics on the computer, and set the hole spacing to 100 μm. Laser processing was carried out to obtain micropores with a pore diameter of 86.7 μm, a micropore depth of 42.3 μm, and a micropore center distance of 100 μm on the surface of the iron-based alloy;

Embodiment 3

[0034] This embodiment is the same as Embodiment 1, the difference is:

[0035] S2: Perform laser microporation treatment on the surface of the iron-based alloy substrate obtained in S1, and place the iron-based alloy substrate obtained in S1 on a 20W laser processing platform with a laser wavelength of 1064nm and a lens of 100mm. Turn on the equipment and adjust the technological parameters of the laser processing, that is, the average laser power is 20W, the laser pulse width is 200nm, the laser frequency is 25kHz, and the single hole action time is 0.7ms. Adjust the height of the laser so that the surface of the workpiece is placed at the focal length of the laser. Draw the processing graphics on the computer, and set the hole spacing to 100 μm. Laser processing was carried out to obtain micropores with a pore diameter of 86.7 μm, a micropore depth of 42.3 μm, and a micropore center distance of 140 μm on the surface of the iron-based alloy;

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Abstract

The invention relates to a method for planting a solid lubricating material in a laser microporous template, which belongs to the field of solid lubricating materials; the specific process is carried out according to the following steps: (1) The laser microporous template is made; Drill micropores on the surface of the cladding layer; (2) Before deposition, acid wash off the spatter on the surface of the template; (3) Plant a mixed lubricating material of molybdenum disulfide (MoS2) and polytetrafluoroethylene (PTFE) by electrophoretic deposition in micropores; (4) drying in an oven after deposition; (5) densification of the lubricating layer by microwave sintering. The lubricating layer obtained by the method of the invention stores the lubricating material through the micropores on the surface of the wear-resistant substrate, and slowly releases the lubricating material in the process of friction to play a continuous lubricating effect, thereby greatly improving the lubricating life.

Description

technical field [0001] The invention relates to the technical field of solid lubrication, and more specifically relates to a method for planting MoS in laser microporous templates. 2 Mix solid lubricating material with PTFE. Background technique [0002] There are three types of lubricating materials: liquid lubricants (lubricating oil), semi-solid lubricants (grease) and solid lubricants. Compared with lubricating oil and grease, solid lubricants have great advantages. The temperature range of lubricating oil and grease is very narrow. Beyond this temperature range, lubricating oil and grease will lose their lubricating effect, while solid lubricating materials have a wide range of applications; in terms of carrying capacity, solid lubricants are far stronger For lubricating oil and grease; under extreme conditions such as high vacuum, strong radiation, and gas or fluid, lubricating oil and grease are prone to failure, and solid lubricants are also needed; the storage, tr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C25D13/00C23C24/10
CPCC25D13/00C23C24/10
Inventor 王爱华潘卫清熊大辉
Owner 杭州盛镭激光科技有限公司
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