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Method for adjusting surface luminosity of mold on basis of laser-engraving technique

A technology of surface luminosity and laser engraving, applied in the field of texture processing, which can solve problems such as insufficient uniformity, easy rebound of luminosity, limited range of luminosity adjustment, etc.

Inactive Publication Date: 2018-09-21
模德模具(东莞)有限公司
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Problems solved by technology

The disadvantage of the sandblasting process is that the range of light adjustment is limited, the uniformity is not enough, the life is short, and the light is easy to rebound

Method used

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  • Method for adjusting surface luminosity of mold on basis of laser-engraving technique

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Embodiment Construction

[0014] A method for adjusting the brightness of the mold surface based on laser engraving technology. First, a set of texture grayscale image files for laser adjustment of brightness is developed. The texture grayscale image files contain multiple different light adjustment layers. Each light adjustment layer is equipped with Noise, uniform noise, accurate color scale; download the texture grayscale image file to the laser engraving machine, combine the laser engraving process, reset the engraving parameters of the laser engraving machine, and apply different dimming layers to the existing main texture to change Cavity surface finish.

[0015] Wherein, the texture grayscale image file includes 100 light-adjusting layers that gradually change from white to black, wherein the brightness value corresponding to the first light-adjusting layer is 1%, and the brightness value corresponding to the second light-adjusting layer is 2%, and so on, the brightness value corresponding to th...

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Abstract

The invention discloses a method for adjusting the surface luminosity of a mold on the basis of a laser-engraving technique. The method comprises the steps that firstly, a set of pattern grayscale drawing file adopting lasers for luminosity adjusting is developed, the pattern grayscale drawing file comprises a plurality of different luminosity adjusting layers, miscellaneous points are arranged onall the luminosity adjusting layers in a distributed mode and are even, and color gradation is accurate; and then, the pattern grayscale drawing file is downloaded to a laser engraving machine, by combining with the laser-engraving technique, engraving parameters of the laser engraving machine are set again, and the different luminosity adjusting layers are applied to an existing main pattern tochange the surface luminosity of a cavity. After luminosity adjusting through the method, the luminosity of a product can be reduced, thus the plastic feeling of the product is weak visually, the leather feeling is stronger, and thus the grade of the product is improved; and additionally, the luminosity in the cavity of the mold is evenly distributed through the luminosity adjusting mode, consistency of the luminosity is ensured, and the service life can be prolonged.

Description

technical field [0001] The invention relates to the technology in the field of texture processing, in particular to a method for adjusting the surface brightness of a mold based on laser engraving technology. Background technique [0002] At present, automotive interiors have higher and higher requirements for product luminosity. Low-light products have a weaker plastic feel and a stronger leather feel, which virtually improves the grade of the car and meets the low-cost and high-end requirements of OEMs. [0003] The luminosity of the product is related to many factors. The plastic raw material, injection molding process, texture characteristics and surface luminosity of the mold will all affect the surface luminosity of the final product. For mold photometry, whether it is a new mold or a mass-produced mould, sandblasting or micro-grain technology is currently the most commonly used process for adjusting photometry. The sandblasting process is to use sand particles of di...

Claims

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Application Information

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IPC IPC(8): B23K26/362B23K26/00
CPCB23K26/361
Inventor 任志同
Owner 模德模具(东莞)有限公司
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