TW201521930A - Laser engraving applicable to metal material coloring and preparation method thereof - Google Patents

Abstract

A laser engraving applicable to metal material coloring and a preparation method thereof are disclosed, wherein the processing surface and deep layers of a metal substrate are burn-colored by means of laser engraving so as to perform burn-coloring and engraving of the metal substrate, wherein laser passes through the surface layer of the metal substrate and burns beneath the surface layer to generate color variations without damaging the metal substrate structure and the metal material, thereby generating long-lasting marking gloss and providing diversity changes of colors and visual effects.

Description

Laser engraving application to metal material coloring and preparation method thereof

The invention relates to a method for preparing a metal material by a laser engraving application and a preparation method thereof, in particular to a technical field of a single or multiple coloring method applied to a metal product.

The existing metal products are in the fields of food, clothing, housing, travel, etc., as small as pots, bowls, scoops, pots, etc., which are often listed on the surface of the product under the consideration of labeling or aesthetics. Text, graphics and color, and to achieve the above objectives can be achieved by the following methods: ink printing, stickers or watermarks and metal etching surface adhesion or erosion methods to achieve.

In the case of ink printing or stickers, watermarks, etc., the surface of the product is marked with text, graphics and color. The markings produced by this type of method are often used or stressed by long-term use, often caused by external factors. The problem of falling off.

In addition, the metal etching surface is attached to the processor, which is etched by chemical principle in the product marking area, and the metal surface is partially destroyed to form a pattern, and the etching depth is determined according to the length of the working time, and the color or dyeing treatment is applied at the etching position. In the final step, the surface of the metal is sprayed with a clear lacquer for protection. Although it has the advantages of bright and varied colors and variable coloring, the etching needs to damage the metal surface, so there is a possibility of structural damage, and the etching place The marking of coloring or dyeing will still fall off after long-term use or friction rubbing of the paint surface, and the steps of applying the above-mentioned color and then spraying the transparent paint will cause the processing procedure to be complicated and the cost to be increased.

The invention has the problems that the conventional metal surface marking processing method marks poor durability and the processing procedure is complicated to increase the production cost, and the method for preparing the metal material and the preparation method thereof for the laser engraving application of the invention is completed.

The main object of the present invention is to provide a laser engraving application for coloring a metal material and a preparation method thereof, which is applied to a processed surface and a deep layer of a magnetic or non-magnetic metal substrate, and is subjected to laser engraving and burning. Processing (A), the processing surface of the metal substrate body is presented with a color graphic, and the processing steps of the laser engraving and burning color processing (A) include: (A1) laser engraving machine power (POWER) Parameter setting: The power of the laser engraving machine (POWER) parameter is set between 1 and 100%, and the laser power is changed from small to large, so that the burning density of the processed surface of the metal substrate body changes, so that the color is presented. Shallow to deep change; (A2) laser engraving machine speed (SPEED) parameter setting: its laser engraving machine speed (SPEED) parameter is set between 1~3000mm/s, the processing speed changes from fast to slow, making metal The burning depth of the processed surface of the substrate body changes, so that the color appears to change from shallow to deep; (A3) laser engraving machine frequency (FRQUENCY) parameter setting: the laser engraving machine frequency (FRQUENCY) parameter is set to 1~ Between 120khz, the frequency changes from low to high , the surface of the metal substrate body is burned to a depth of change, so that the color appears to change from deep to light; (A4) the surface angle of the machined surface and the pitch parameter are set: the surface of the laser engraving machine is processed on the surface of the metal substrate According to the change of the line angle, the burning and coloring part is in the form of a vertical burning coloring part, a horizontal burning coloring part, an oblique burning coloring part, a cross-shaped burning coloring part or a contour contouring burning coloring part and the like. And matching the variation of the pitch parameter, the effect of discoloration of the machined surface 11; through the change of the data ranges between the above steps, the engraving and burning of the metal substrate body can be colored, without damaging the metal substrate structure. In the state of non-destruction of metal materials, the diversity of colors and visual effects is provided, and the resulting images are marked with a long-lasting color, so as to achieve the effect of not falling off, simplifying the processing procedure and reducing the processing cost.

The structure, features and other objects of the present invention will be further described in the following detailed description of the preferred embodiments of the present invention. It is not the only restriction on patent applications.

Please refer to the figures 1 to 3 for the processing flow state of the metal material and the preparation method thereof for the laser engraving application of the present invention, the processing step state of the laser engraving and coloring processing (A), and the metal substrate. Schematic diagram of the magnified state of the processed surface of the body of the body, the processed surface 11 of the magnetic or non-magnetic metal substrate 10 and its deep layer, subjected to laser engraving and cauterization processing (A) to make the metal The processing surface 11 of the substrate body 10 presents a graphic design with color, and the processing steps of the laser engraving and burning color processing (A) include:

(A1) Laser engraving machine power (POWER) parameter setting: the laser engraving machine power (POWER) parameter is set between 1 and 100%, the laser power is changed from small to large, so that the metal substrate body 10 The surface of the machined surface 11 changes in burning density, so that the color exhibited changes from shallow to deep;

(A2) Laser engraving machine speed (SPEED) parameter setting: its laser engraving machine speed (SPEED) parameter is set between 1~3000mm/s, and the processing speed changes from fast to slow, so that the metal substrate body 10 The burning depth of the machined surface 11 changes, so that the color exhibited changes from shallow to deep;

(A3) Laser engraving machine frequency (FRQUENCY) parameter setting: the laser engraving machine frequency (FRQUENCY) parameter is set between 1 and 120 khz, and the frequency changes from low to high, so that the machined surface 11 of the metal substrate body 10 is cauterized. Depth changes, causing the color to appear from deep to light;

(A4) Processing surface line angle and pitch parameter setting: the laser engraving machine changes on the processing surface 11 of the metal substrate body 10 according to the line angle, so that the cauterization coloring portion 110 exhibits the longitudinal cauterization coloring portion 110A and the lateral cauterization. The color portion 110B, the oblique burning coloring portion 110C, the cross-shaped cauterization coloring portion 110D, or the contour contoured burning coloring portion 110E, and the like, and the effect of discoloration of the processing surface 11 is caused by the change in the pitch parameter.

The metal material is colored and prepared by the above-described processing steps to complete the laser engraving application of the present invention.

Please refer to the figures 1 to 4 for the processing flow state of the metal material coloring and its preparation method for the laser engraving application of the present invention, the processing step state of the laser engraving and coloring processing (A), and the metal substrate. The processing surface of the body is burned and the coloring part is processed and enlarged, and the metal substrate body is laser-engraved and burned. After the processing, the image is marked with a schematic state, and the laser engraving and burning color processing (A) is transmitted through the (A1) laser. Engraving machine power (POWER) parameter setting, (A2) laser engraving machine speed (SPEED) parameter setting, (A3) laser engraving machine frequency (FRQUENCY) parameter setting and (A4) machining surface line angle, spacing parameter setting processing Steps, as shown in FIG. 4, the variation of the line angle and the pitch parameter of the machined surface 11 can be adjusted by the above parameters of the laser power, speed and frequency to perform the multiple changes of the engraving and burning of the metal substrate body 10. Color, can provide a variety of changes in color and visual effects without damaging the structure of the metal substrate 10 and without destroying the metal material, and the resulting graphic color is durable, to mark Does not fall off, simplify the processing procedure and reduce the cost of processing.

In summary, the present invention can achieve the above functions and purposes, so the present invention should meet the requirements of the patent application, and apply in accordance with the law.

10‧‧‧Metal substrate
11‧‧‧Machining surface
110‧‧‧burning and coloring department
110A‧‧‧Vertical burning and coloring department
110B‧‧‧ Horizontal Burning and Coloring Department
110C‧‧‧ oblique burning and coloring department
110D‧‧‧cross-shaped burning and coloring department
110E‧‧‧ contour contour burning and coloring department (A) ‧ ‧ ‧ laser engraving burning color processing (A1) ‧ ‧ laser engraving machine power (POWER) parameter setting (A2) ‧ ‧ laser Engraving machine speed (SPEED) parameter setting (A3) ‧‧‧Laser engraving machine frequency (FRQUENCY) parameter setting (A4)‧‧‧Processing surface line angle and spacing parameter setting

[Fig. 1] is a schematic view showing the state of the processing flow of the metal engraving application and the preparation method thereof for the laser engraving application of the present invention; [Fig. 2] is the thunder of the metal engraving application and the preparation method thereof for the laser engraving application of the present invention Schematic diagram of the processing steps of the engraving and burning coloring processing (A); [Fig. 3] The processing surface of the metal substrate body for the laser engraving application and the preparation method thereof for the laser engraving application of the present invention Schematic diagram of the state of the state of magnification; [Fig. 4] is a schematic diagram showing the state of the image after laser engraving and burning of the metal substrate in the laser engraving application of the present invention;

10‧‧‧Metal substrate

(A) ‧ ‧ laser engraving burning color processing

Claims (5)

A laser engraving application for coloring metal materials and a preparation method thereof, the laser engraving and burning process (A), so that the processed surface of the metal substrate body presents a color graphic indication, and its laser engraving burns on The processing steps of color processing (A) include: (A1) Laser engraving machine power (POWER) parameter setting: its laser engraving machine power (POWER) is changed from small to large, so that the processing surface of the metal substrate body is cauterized. Change, so that the color displayed changes from shallow to deep; (A2) Laser engraving machine speed (SPEED) parameter setting: its laser engraving machine speed (SPEED) changes from fast to slow, making the surface of the metal substrate processing surface The burning depth changes so that the color appears to change from shallow to deep; (A3) Laser engraving machine frequency (FRQUENCY) parameter setting: its laser engraving machine frequency (FRQUENCY) changes from low to high, making the metal substrate processing The surface burning depth changes, so that the color appears to change from deep to light; (A4) Machining surface line angle and spacing parameter setting: the laser engraving machine changes on the processing surface of the metal substrate body according to the line angle, and the matching room The change parameter, an effect that the machined surface discoloration. The laser engraving application described in claim 1 is for coloring a metal material and a method for preparing the same, wherein the laser engraving machine power (POWER) parameter is set between 1 and 100%. The laser engraving application described in claim 1 is for coloring a metal material and a method for preparing the same, wherein the laser engraving machine speed (SPEED) parameter is set between 1 and 3000 mm/s. The laser engraving application described in claim 1 is for coloring a metal material and a method for preparing the same, wherein the laser engraving machine frequency (FRQUENCY) parameter is set between 1 and 120 khz. The laser engraving application described in claim 1 is for coloring a metal material and a preparation method thereof, wherein the cauterization coloring portion exhibits a longitudinal burning coloring portion, a lateral burning coloring portion, and oblique burning coloring. Part, cross-shaped burning coloring section or contour contouring burning coloring section.