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Method for improving polishing quality of stainless steel surface

A surface polishing, stainless steel technology, applied in surface polishing machine tools, grinding/polishing equipment, grinding machine parts, etc., can solve the problem that the surface of the product cannot meet the 8K standard of stainless steel polished plate, and the polishing quality of stainless steel cold-rolled BA plate is poor. , insufficient surface gloss, etc., to improve the polishing quality, reduce the cost of unqualified products, and eliminate the effect of polishing printing

Pending Publication Date: 2022-01-07
SHANXI TAIGANG STAINLESS STEEL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The surface requirements of stainless steel polished panels are extremely high, and the main reasons for the poor polishing quality of stainless steel cold-rolled BA plates are that there are grinding head marks and dark lines on the surface of the finished product, the surface gloss is not enough, and the surface roughness is high.
These defects make the surface of the product unable to meet the 8K standard of stainless steel polished plate, and those with serious defects may even directly produce waste products

Method used

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  • Method for improving polishing quality of stainless steel surface
  • Method for improving polishing quality of stainless steel surface
  • Method for improving polishing quality of stainless steel surface

Examples

Experimental program
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Effect test

Embodiment 1

[0050] ①Prepare a 430 stainless steel plate with a surface grade of BA and a thickness*width*length specification of 0.5mm*1219mm*2000mm.

[0051] 2. Use the workpiece fixing device in the method of the present invention to fix the steel plate on the rubber pad with a thickness of 1.5 cm, and attach the steel plate tightly to the frame.

[0052] ③The polishing pressure is set to 3.3kpai, the rotational speed of the throwing head is set to 25-27HZ, the horizontal moving speed of the frame is set to 78HZ, and the vertical moving speed of the frame is set to 43HZ.

[0053] ④ The configuration ratio is 1.5 kg of alumina powder, 8 L of 64% nitric acid, and 400 L of water polishing solution.

[0054] ⑤ After starting the polishing liquid circulation device in the invention and circulating for 8.5 minutes, use a sponge with a diameter of 240mm, a thickness of 5cm, and medium hardness, and wrap the sponge with a thickness of 2mm very soft wool felt for combined polishing.

[0055] Th...

Embodiment 2

[0062] ①Prepare a 304 stainless steel plate with a surface grade of BA and a thickness*width*length specification of 0.6mm*1219mm*2000mm.

[0063] 2. Use the workpiece fixing device in the method of the present invention to fix the steel plate on the rubber pad with a thickness of 1.5 cm, and attach the steel plate tightly to the frame.

[0064] ③The polishing pressure is set to 3.5kpai, the rotational speed of the throwing head is set to 26-29HZ, the horizontal moving speed of the frame is set to 79HZ, and the vertical moving speed of the frame is set to 43HZ.

[0065] ④ The configuration ratio is 1.5 kg of alumina powder, 8 L of 64% nitric acid, and 400 L of water polishing solution.

[0066] ⑤ After starting the polishing liquid circulation device in the invention and circulating for 9.5 minutes, use a sponge with a diameter of 240mm, a thickness of 5cm, and medium hardness, and wrap the sponge with a thickness of 2mm very soft wool felt for combined polishing.

[0067] Th...

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Abstract

The invention relates to a method for polishing a stainless steel mirror board. The method for improving the polishing quality of the stainless steel surface comprises the following steps that (1) a raw material plate is prepared; (2) the raw material plate is fixed on a rubber mat with the thickness of 1-2cm by using a workpiece fixing device, and the steel plate is tightly attached to a machine frame; (3) the polishing pressure is set to range from 3.1 bar to 3.8 bar, the rotating speed of a polishing head is set to range from 23 HZ to 31 HZ, the transverse moving speed of the machine frame is set to range from 75 HZ to 85 HZ, and the longitudinal moving speed of the machine frame is set to range from 35 HZ to 45 HZ, (4) white aluminum oxide powder with the particle size of 8000-10000 meshes and the content of 98.8%-99.5% is used, and the polishing solution with 1.2-1.5 kg of aluminum oxide powder, 6.5-8.5 L of nitric acid with the concentration of 64%-85% and 350-450 L of water is prepared. (5) after a polishing solution circulating system is started, combined polishing is carried out; and (6) the roughness Ra of the prepared stainless steel plate is 0.025-0.045 micron, the 20-degree angle glossiness is 1080-1150 GU, and the defects of polishing marks and grinding head marks generated after polishing are eliminated. According to the method, the defects of polishing marks and grinding head marks generated after polishing are eliminated.

Description

technical field [0001] The invention relates to a method for polishing a stainless steel mirror panel, in particular to a polishing method for making stainless steel 304 and 430 series 8K mirror stainless steel. Background technique [0002] Because stainless steel materials are easy to obtain, the price is relatively low, and they have good machinability, corrosion resistance and decoration. According to statistics, the stainless steel decoration industry has accounted for 50% of the entire stainless steel deep processing industry, and the application of stainless steel in the decoration industry requires mirror processing on the surface of the steel plate to obtain a finished mirror 8K stainless steel. Stainless steel mirror panels have very high requirements on surface roughness and gloss. The roughness value Ra should be less than 0.04 microns, and the 20° surface gloss should be greater than 1100GU. [0003] The surface requirements of stainless steel polished panels a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B24B1/00B24B29/02B24B49/00B24B49/16B24B57/02B24B57/00
CPCB24B1/00B24B29/02B24B49/006B24B49/165B24B57/02B24B57/00
Inventor 周光明付金柱高培军武志平李俊伟李斯阳郑正
Owner SHANXI TAIGANG STAINLESS STEEL CO LTD
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