Roller laser roughening machining equipment and machining method thereof

Abstract

The invention provides roller laser roughening machining equipment and a machining method thereof. The machining method comprises the following steps that machining area division is conducted; a distribution scheme is determined, and the end-to-end connected disordered uniform distribution roughening lattice distribution scheme can be obtained according to roller machining unit parameters and shape parameters; output signals are determined, and laser light emitting position signals, light beam energy adjusting signals and one-dimension light beam deflection unit deflection signals are obtainedthrough an information processing module; roller laser roughening machining is conducted, and the laser light emitting position signals are used for controlling a light source module to emit lasers;and the light beam energy adjusting signals and the one-dimension light beam deflection unit deflection signals are input into laser tail end output modules for generating disordered laser lattices, and each laser tail end output module is used for machining one roller machining unit. By means of the roller laser roughening machining equipment and the machining method thereof, shape distribution uniformity can be ensured while the roughening point disordered degree is guaranteed, and consistency of the surfaces of produced cold-rolled plates in subsequent coating treatment is better.

Description

technical field [0001] The invention relates to the laser texturing processing technology in the field of surface treatment, in particular to a roll laser texturing processing equipment and a processing method thereof. Background technique [0002] Certain morphology parameters on the surface of the cold-rolled sheet have an important influence on the punchability and surface coating properties of the sheet, while the surface morphology of the cold-rolled sheet depends to a large extent on the working rolls of the rolling mill and the skinning during the cold-rolling production process. The surface morphology of the working rolls of the unit. In essence, the surface topography of the cold-rolled sheet is an attenuated "copy" of the topography of the roll. In order to make the surface of the strip meet the required surface morphology, the method of roughening the surface of the roll is generally adopted. Different types of cold-rolled sheets have different requirements for ...

AI Technical Summary

Problems solved by technology

Shot peening relies on the impact of hard particles on the surface of the roll to form a concave textured appearance. The obvious defects of this technology are: 1) The textured appearance formed is single, and the microscopic size of the textured appearance is difficult to adjust, and it cannot be adapted to different types of steel plates Rolling requirements; 2) The processing environment is harsh, and it is difficult to incorporate into the cold-rolled sheet production line

EDM texturing is a pulsed spark discharge between the electrode and the roll surface in the insulating liquid. The instantaneous high temperature generated by the partial discharge etches the roll surface to form a textured shape. The shape arrangement is random. The technology Defects are: 1) The textured morphology formed by thermal effect ablation on the surface of the roll has four layers: recast layer, re-quenched layer, heat-affected layer and base material. Among them, the recast layer that makes the roll surface roughened is easy to peel off, forming Poor appearance retention and short service life, seriously affecting the consistency of the surface quality of the same batch of rolled steel plates; 2) Electrode loss during texturing, although there is electrode compensation feedback, it is difficult to ensure consistent and controllable microscopic dimensions of the texturized surface of the roll ; 3) Consumable parts such as electrodes in the processing process, there are continuous costs in the use of equipment; 4) Equipment investment costs are relatively large

[0004] Laser texturing, through laser ablation or laser melting on the surface of the roll to process the textured appearance, there are many types of texturized appearance, and the microscopic size of the appearance can be easily adjusted by changing the laser parameters, but there are still the following problems : 1) The textured appearance processed by laser ablation, the convex part of the appearance surface is a recast layer, which is easy to peel off during the cold rolling process, and the shape retention is poor; 2) The laser action point (focus point) during laser processing ) The position is fixed, and it is very difficult to process the textured morphology arranged in disorder; 3) When the textured morphology is randomly distributed, there will always be a large number of overlaps in the textured morphology, and the uniformity of the distribution cannot be guaranteed

The patent does not disclose a method for controlling the uniformity of the morphology distribution, and the uniformity problem has not been resolved

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