A kind of welding seam grinding method of cold-rolled stainless steel welded pipe
A technology of cold-rolling stainless steel and welded pipes, which is applied in grinding machines, grinding/polishing equipment, and machine tools suitable for grinding the edge of workpieces, etc. It can solve the problems that it is difficult to achieve high finish and the surface finish of stainless steel welded pipes is not very high. Achieve the effect of ensuring surface finish and improving finish
Active Publication Date: 2017-12-15
广州永大不锈钢有限公司
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Problems solved by technology
[0002] The difficulty in surface polishing of stainless steel welded pipes lies in the treatment of welded seams, and it is difficult to meet the requirements of high finish. Therefore, the surface finish of traditional stainless steel welded pipes is not very high
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[0011] Embodiments of the present invention will now be described with reference to the drawings, in which like reference numerals represent like elements.
[0012] Please refer to figure 1 , the cold-rolled stainless steel welded pipe welding seam grinding method is to use the grinding wheel b with a gradually thickened grinding surface to grind the weld seam in three steps in the advancing direction of the weld seam a. The grinding wheel b used in the two grinding processes forms an included angle of 45 degrees with the advancing direction of the weld seam, and the grinding wheel b used in the third grinding process forms an included angle of 10-15 degrees with the advancing direction of the weld seam a. The 45-degree included angle formed between the grinding wheel b used in the first two grinding processes and the advancing direction of the weld a is alternately distributed in different deflection directions. The grinding wheel b used in the first two grinding processes i...
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The invention discloses a grinding method for a welding line of a cold-rolled stainless steel welding pipe. The grinding method comprises the steps that the welding line is subjected to grinding of three procedures through grinding wheels in the advancing direction of the welding line, the sand grain density of the grinding faces of the grinding wheels is gradually increased, and the included angle between the grinding wheel adopted in the third grinding procedure in the advancing direction of the welding line and the advancing direction of the welding line ranges from 10 degrees to 15 degrees. According to the grinding method for the welding line of the cold-rolled stainless steel welding pipe, the stainless steel welding pipe can meet the requirement for smoothness being 600 degrees or above after subsequent surface polishing line treatment, and the surface smoothness of the stainless steel welding pipe is greatly improved.
Description
technical field [0001] The invention relates to a grinding method, in particular to a welding seam grinding method of a cold-rolled stainless steel welded pipe. Background technique [0002] The difficulty in surface polishing of stainless steel welded pipes lies in the treatment of welded seams, and it is difficult to meet the requirements of high finish. Therefore, the surface finish of traditional stainless steel welded pipes is not very high. With the extensive use of decorative pipes, the requirements for the outer surface of the stainless steel welded pipe are getting higher and higher, so it is necessary to invent a method for grinding the weld seam of the cold-rolled stainless steel welded pipe. Contents of the invention [0003] The purpose of the present invention is to provide a method for grinding the weld seam of cold-rolled stainless steel welded pipe, which can make the stainless steel welded pipe meet the smoothness requirement of more than 600 degrees afte...
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IPC IPC(8): B24B9/04
CPCB24B9/04
Inventor 曹俊杰袁进生
Owner 广州永大不锈钢有限公司