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Laser composite punching method for ceramics

A kind of hole ceramics and laser technology, which is applied in the field of laser composite hole punching ceramics, can solve the problems of affecting product processing quality, micro cracks and recasting layers, etc., and achieve the effects of low device cost, good processing quality and avoiding damage

Inactive Publication Date: 2014-06-04
JIANGNAN UNIV
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Problems solved by technology

[0004] In order to solve the shortcomings of the ceramic drilling method in the above-mentioned existing production technology that will produce microcracks and recast layers, which will affect the processing quality of the product, the present invention provides a method for drilling laser composite ceramics, thereby effectively avoiding the occurrence of cracks on the surface of the product. The phenomenon of micro-cracks, while reducing the heat-affected zone, reducing thermal damage, greatly improving the quality of the processed surface

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Embodiment Construction

[0024] In order to describe the technical content, structural features, achieved goals and effects of the present invention in detail, the following will be described in detail in conjunction with the embodiments and accompanying drawings.

[0025] Laser processing technology is a technology that uses the characteristics of the interaction between laser beams and substances to perform drilling, cutting, welding, surface treatment, micromachining, as a light source, and object recognition on materials (including metals and non-metals). The traditional application is the largest. The field of the company is laser processing technology, and the laser processing system includes lasers, light guide systems, processing machine tools, control systems and detection systems.

[0026] see figure 2 , a method for laser composite drilling ceramics, comprising:

[0027] S1. Select the hole to be drilled on the ceramic body;

[0028] The thickness of the ceramic plate is: 0.8mm-2mm.

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Abstract

The invention relates to a laser composite punching method for ceramics. The laser composite punching method for ceramics comprises the steps that 1, the punched position of a ceramic body is selected; 2, the water jet technology is adopted, and a water jet system is arranged on one side of a workbench, wherein the water jet system structurally comprises a motor, the motor is connected with a pump, the input end of the pump is connected with a water tank, the output end of the pump is connected with a spray gun through a pipeline, a nozzle is installed at the head portion of the spray gun, and jet water sprayed out from the nozzle is jetted to a ceramic board; 3, laser beams move along the punching outline for machining. The laser composite punching method for ceramics only needs the low-pressure jet water, cost is low, efficient and low-damage punching machining for ceramics can be achieved, the machining quality of the surfaces of ceramics is good, and production efficiency is high.

Description

Technical field: [0001] The invention relates to the application field of lasers, in particular to a method for compositely drilling ceramics with lasers using low-pressure water jets. Background technique: [0002] The existing laser drilling method of ceramic products mainly adopts (C02 or Nd: YAG) laser, and the optical focusing technology can be used to focus the laser in a very small range of micron level, thereby obtaining 10 5 ~10 15 W / cm 2 With extremely high light power density, the high temperature of the laser is used to instantly melt the material in the irradiated area until it is vaporized, and it is removed in a bursting manner under a strong shock wave. [0003] Laser processing has the advantages that the laser head does not contact the workpiece, and there is no problem of processing tool wear; the workpiece is not subject to stress and is not easy to be polluted; it can process moving workpieces or materials sealed in glass shells. However, ceramics are...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K26/382B23K26/146B23K26/16
CPCB23K26/40B23K26/142B23K26/146B23K26/382B23K2103/52
Inventor 袁根福陆平卫
Owner JIANGNAN UNIV
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