Method for machining low-roughness high-peak textured roller

A technology with low roughness and processing method, applied in the field of EDM texturing, can solve the problem of grinding defect coverage, surface roughness uniformity, surface chromatic aberration control, surface scratch control, which is difficult to achieve, has little practical application significance, and rolls. Few applications, etc., to achieve the effects of excellent disordered cold roll surface morphology, improved spraying and stamping performance, and low operating costs

Active Publication Date: 2016-02-03
ANGANG STEEL CO LTD
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Problems solved by technology

[0005] In the current EDM technology, the roughness of the texturized roll is mainly concentrated at 2.0-4.5 μm. Although most equipment manufacturers promise that the processing capacity of the equipment is Ra=1.0-12 μm, the practical application of Ra>4.5 μm is of little significance. It is rarely used in ro

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  • Method for machining low-roughness high-peak textured roller
  • Method for machining low-roughness high-peak textured roller
  • Method for machining low-roughness high-peak textured roller

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[0029] The specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings:

[0030] A method for processing a low roughness and high peak number texturing roll, by changing the drive structure, changing the roll grinding stroke, reducing the lateral chromatic aberration of the texturing, avoiding the arcing of the texturing roll surface, and improving the two points and scratches on the texturing roll surface Defect steps to realize the processing of high-peak roughness roughened rolls. The specific operation steps are as follows:

[0031] 1) Change the grinding stroke of the roll: In the initial grinding, two grinding strokes are added to eliminate the horizontal print defect; in the middle grinding, the speed during the middle grinding is reduced from 35r / min to 30r / min, Z The axis speed is controlled at 2400~2600mm / min, the X axis feed rate is controlled below 0.3mm / min, and the number of intermediate grinding is incre...

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Abstract

The invention provided with a method for machining a low-roughness high-peak textured roller. The low-roughness high-peak textured roller is machined through the steps of adjusting equipment operation accuracy, changing the roller grinding travel, reducing transverse texturing color difference, avoiding surface arcing of the textured roller, reducing the defects of bright spots and scratches on the surface of the textured roller and changing a textured roller driver structure. Compared with the prior art, the method has the beneficial effects that on the condition of not changing the performance such as the high efficiency and low operation cost of an electric spark texturing device and the excellent disordered cold roller surface topography, the lowest roughness value of the electric spark textured cold roller is reduced to 1.2 microns, and the peak value of the textured cold roller is increased to more than 130 per square centimeter, the spraying and stamping performance of a cold-rolled automobile sheet can be obviously improved, and the method has wide application prospects in production of high-end cold-rolled automobile sheets.

Description

technical field [0001] The invention relates to the field of electric spark texturing, in particular to a processing method for a low-roughness high-peak number texturing roll. Background technique [0002] In the current steel industry production, there are three commonly used methods of texturizing cold rolling rolls, the first type, shot peening technology (SBT), the second type, electric spark texturing technology (EDT), the third type, Laser texturing technology (LBT), in addition, there are electron beam texturing technology, inkjet texturing technology, and chrome plating texturing technology, but due to technical limitations, these three technologies have not been widely used in steel industry production. [0003] The first type of texturing technology is the earliest texturing technology. Due to low equipment cost and relatively simple equipment structure, it was widely used in the texturing of cold rolling rolls in the early days. However, due to poor control accur...

Claims

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Application Information

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IPC IPC(8): B23H5/04
Inventor 孙孝升夏英莉刘明云
Owner ANGANG STEEL CO LTD
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