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Roller surface coarsening processing method using multiheaded high power laser and its device

A processing method and technology of a processing device, which are applied in the field of high-power laser roller surface multi-head texturing processing methods and devices, can solve the problem of increasing the complexity of mechanical systems, cooling systems and optical path systems, working reliability and durability of processing devices. Influence, it is difficult to meet the production needs of large steel plants, etc., to achieve the effect of simple structure, low cost and small thermal deformation

Inactive Publication Date: 2008-08-27
HUAZHONG UNIV OF SCI & TECH
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  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

For example, "Laser processing device with controllable distribution of texturing points for roller surface texturing" (Patent No. ZL00264774.5), this laser processing device uses an acousto-optic Q-switched Nd:YAG laser as the processing light source, and its The disadvantages are: due to the limited service life of the YAG laser pump lamp, regular maintenance work such as replacement of the pump lamp is required, which affects production efficiency; in addition, the average power of the laser used in the device is low, the texturing effect is limited, and the production efficiency is very low. Low, difficult to meet the production needs of large steel mills
Although the device is designed to solve the problem of continuous production by using two lasers through optical path conversion to realize the alternate use of lasers in production, this design increases the complexity of the mechanical system, cooling system and optical path system, which is harmful to the reliability of the processing device. impact on durability

Method used

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  • Roller surface coarsening processing method using multiheaded high power laser and its device
  • Roller surface coarsening processing method using multiheaded high power laser and its device
  • Roller surface coarsening processing method using multiheaded high power laser and its device

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Embodiment Construction

[0023] The high-power laser roller surface multi-head roughening processing method provided by the present invention uses a high-power continuous laser to output a continuous laser beam, and the laser beam is divided into K≥2 pulsed laser beams by a polygonal mirror light splitting mechanism, and then respectively focused by K After the head is focused and output, multi-head texturing is performed on the surface of the roller at the same time, so that the surface of the roller forms K spiral scanning line lattice texturing pit distribution. Specific steps are as follows:

[0024] The roll workpiece 1 is clamped by the roll shaft 301 and the top 302 on the CNC machine tool 3;

[0025] Start the CNC machine tool 3 to make the roll workpiece 1 rotate at a set speed:

[0026] The continuous laser beam output by the laser 2 enters the polygonal mirror light splitting mechanism 5 installed on the working platform 4, and after being reflected by the total reflection mirror 502, it i...

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Abstract

The invention discloses a woolening manufacturing method, which consists of laser (2) and numerical control machine (3), wherein the working bench (4) loads multiple-prism light splitting and focusing device; the multiple-prism light splitting device (5) contains total reflection lens (502), multiple prisms (501), high-speed motor (509) and K light splitting heads; the focusing device is composed of K focusing heads with each focusing head corresponding to one output end of light splitting head; the light axle of focusing head is vertical of roll workpiece with woolening point distance DELTAX of two focusing heads as transverse distance and DELTAY as longitude distance (K>=2).

Description

technical field [0001] The invention relates to the field of laser roughening treatment on the surface of rollers, in particular to a high-power laser roller surface multi-head roughening processing method and a device thereof. Background technique [0002] Textured steel plate has excellent stamping performance and surface coating performance, and is an important raw material widely used in automobiles, home appliances, electronics and light industry production. The key technology for the production of textured steel plate is roll surface texturing. Laser roll texturing technology is now Several texturing techniques used include shot peening, electric spark texturing and a practical and advanced texturing technique of electron beam texturing. [0003] At present, laser roll texturing technology is mainly divided into two categories: one is the use of gas CO 2 Laser CO 2 Laser texturing, the other is YAG laser texturing using solid Nd:YAG lasers. [0004] At present, the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23K26/00B23K26/36B23K26/06B23K26/067B23K26/08B23K26/42B23K26/064B23K26/082B23K26/352
Inventor 陈培锋王英朱明珠
Owner HUAZHONG UNIV OF SCI & TECH
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