Method and device for hybrid laser grinding and polishing parts and molds
A component and laser technology, applied in laser welding equipment, manufacturing tools, metal processing equipment, etc., can solve the problems of dimensional deviation, inability to grind and polish fine texture or deep groove feature workpieces, etc.
Active Publication Date: 2021-07-23
HONG KONG PRODUCTIVITY COUNCIL
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Problems solved by technology
There have been researches on the market trying to integrate the grinding and polishing machine with manipulators or CNC machining centers into an automated system, but this method has the same limitations as traditional contact grinding and polishing, that is, it cannot grind and polish workpieces with fine texture or deep groove features
Moreover, the traditional grinding and polishing process is a material reduction technology, resulting in deviations in the size of the final product
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[0016] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, so that those skilled in the art can better understand the present invention and implement it, but the examples given are not intended to limit the present invention.
[0017] Please refer to figure 1 , the present invention provides a method for hybrid laser grinding and polishing parts and molds, which is characterized in that it includes: step S101, using a continuous laser to irradiate the surface of the workpiece, and performing rough grinding with specific process parameters in accordance with the material characteristics of the workpiece; step S102, The entire automatic non-contact grinding and polishing process is completed by using a pulsed laser, or an alternate grinding method of a continuous laser and a pulsed laser.
[0018] In one embodiment, the irradiating the surface of the workpiece with a continuous laser, and performing rough ...
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Abstract
The invention discloses a method and device for grinding and polishing parts and molds with a hybrid laser. The method includes: firstly, using a continuous laser to irradiate the surface of a workpiece, and performing rough grinding with specific process parameters in accordance with the material characteristics of the workpiece; then, using The pulsed laser, or the alternating grinding method of continuous laser and pulsed laser completes the entire automatic non-contact grinding and polishing process. The invention has the advantages of simple implementation, no influence on the temperature of the main body of the part during the processing, and avoiding the influence on the accuracy of the part. It can also handle some complex geometric surfaces that cannot be handled by traditional methods.
Description
technical field [0001] The invention relates to a method and a device for mixing laser grinding and polishing parts and molds. Background technique [0002] The surface finish of the product will affect the mechanical properties, optical properties, corrosion resistance of the product and the user's visual effect on the product. Surface grinding and polishing is labor-intensive and time-consuming. Grinding and polishing some parts with complex shapes by traditional methods accounts for about 30%-50% of the total production cycle of parts. In addition, many existing industrial fields are biased towards the development of product miniaturization, such as consumer electronics and medical equipment, and the demand for micro components in these fields has increased significantly. However, high-precision micro-part processing requires high cost and technology, because micro-parts are close to the tolerance of part size before surface finish processing. At present, to polish som...
Claims
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IPC IPC(8): B23K26/36
Inventor 单铭贤陈伟伦任骏宇顾溢泉赖振荣
Owner HONG KONG PRODUCTIVITY COUNCIL