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猫眼镭射纸标签的制作方法

来源:http://www.shengfengyinshua.com/ 日期:2020-05-20 发布人:shengfeng 1.制作镭射模压版
1. Making laser die plate
镭射模压版是特殊金属薄片经专门电铸而成,因其图案表层主要是电镀金属镍,所以在行业内又被称为镍版。
Laser die plate is made of special metal sheet by special electroforming. Because the pattern surface is mainly electroplated with nickel, it is also known as nickel plate in the industry.
目前,常用激光镭射雕刻技术完成镍板上图文信息的雕刻。通过激光发生器生成高能量的激光光束,利用点阵左右排列雕刻或矢量轮廓切割的模式对镍版进行局部照射,使其表面瞬间熔融,甚至气化,镍版表面的物质因发生化学和物理变化而显示出痕迹,进而按预先设计要求形成所需文字、符号和图案。激光光束聚焦后尺寸可从毫米精确至微米,加工过程热影响区域小,加工精细,可完成一些常规方法无法实现的效果。同时,激光镭射雕刻的过程由计算机自动控制,雕刻信息仅与设计内容相关,只要计算机雕刻系统能够识别设计图稿,就可将信息精确地还原在镍版表面,完成镭射图案的雕刻。
At present, laser engraving technology is commonly used to complete the engraving of image and text information on nickel plate. The high-energy laser beam is generated by laser generator, and the nickel plate is locally irradiated by the mode of left and right array engraving or vector contour cutting to make its surface melt or even gasify instantly. The material on the surface of the nickel plate shows traces due to chemical and physical changes, and then forms the required characters, symbols and patterns according to the pre-designed requirements. After laser beam focusing, the size can be from millimeter to micrometer, the heat affected area is small and the processing is fine, which can achieve some effects that cannot be achieved by conventional methods. At the same time, the laser engraving process is automatically controlled by the computer. The engraving information is only related to the design content. As long as the computer engraving system can recognize the design drawings, it can accurately restore the information on the surface of the nickel plate to complete the laser pattern engraving.
考虑后道的定位切平张和印刷套印等加工工序,雕刻镍板时必须十字规线齐全,其叼口和拉规都设计有阶梯式箭标及裁切线,同时,还需刻入定位电眼能够识别的光标(通常采用类似磨砂效果的识别色条)。将雕刻好的镍版放在放大镜下检查,版面不能存在任何缺陷。
In consideration of the positioning, cutting, flatting, printing and overprinting and other processing procedures of the back path, the cross gauge lines must be complete when carving the nickel plate, and its mouth and pull gauge are designed with ladder type arrow mark and cutting tangent line. At the same time, the cursor that can be recognized by the positioning electric eye should be engraved (usually the identification color bar similar to the frosting effect is used). Put the engraved nickel plate under the magnifying glass for inspection, and the plate cannot have any defects.
不干胶防伪标签印刷制作
镍版在使用过程中应十分小心,在擦版维护时不能发生任何微小碰撞,表面不能出现油污和水点溅射,否则只能报废。
The nickel plate shall be used with great care. During plate cleaning and maintenance, there shall be no small collision, no oil stain and water splashing on the surface, otherwise it can only be scrapped.
2.机械模压镭射膜
2. Mechanical molding laser film
镭射膜一般选择OPP和PET薄膜两种材料为基材。机械模压镭射膜是在高温下将镭射模压版直接压在涂有胶水的薄膜基材上,从而形成高低不平、大小不一的光折射点。
Generally, OPP and PET films are selected as the base materials for laser films. Mechanical molding laser film is to press the laser mold plate directly on the film substrate coated with glue under high temperature, so as to form uneven light refraction points of different sizes.
镭射模压机主要由涂布胶水机组、UV模压机组组成。涂布胶水为道工序,一般采用凹印工艺进行涂布。涂胶层的厚度会直接影响猫眼的景深效果,涂胶层越厚,猫眼镭射图案的纵深感就越强烈。涂胶层厚度由产品设计决定,一般在0.15~0.30mm之间。随后进行UV模压工序,在不同波长的UV光照射下,镭射膜表面会呈现预先设计的图案。需要注意的是,机械模压镭射膜需控制好涂胶量和模压速度的配合,一般模压速度为30~50m/min。
Laser molding machine is mainly composed of glue coating unit and UV molding unit. Coating glue is the first process, generally using gravure process for coating. The thickness of the coating layer will directly affect the depth of field effect of the cat's eye. The thicker the coating layer, the stronger the longitudinal depth of the laser pattern of the cat's eye. The thickness of the coating is determined by the product design, generally between 0.15 and 0.30mm. Then UV molding process is carried out. Under different wavelength of UV light, the surface of laser film will present a pre-designed pattern. It should be noted that the mechanical molding laser film needs to control the matching between the coating amount and the molding speed, generally the molding speed is 30-50m / min.
3.真空镀铝
3. Vacuum aluminizing
模压镭射图案完成后,要想实现金属效果,还需在制作好的镭射图案上喷镀一层金属箔。该过程采用真空镀铝机实现,将不同的金属丝通过强电流在真空容器中雾化,喷涂覆盖在压好的镭射膜上,可完成镀铝、镀铬、镀镍、镀铜、镀铁等。根据金属材料的不同,可以制造出哑光素面、亮光镜面等效果。具体采用哪种真空喷镀效果,应根据设计要求选择。如只需保持透明镭射效果,就采用镀硫化锌,对图案起到保护作用即可。
After the laser pattern is molded, in order to achieve metal effect, a layer of metal foil needs to be sprayed on the laser pattern. The process is realized by a vacuum aluminum plating machine. Different wires are atomized in a vacuum vessel through a strong current and sprayed on the pressed laser film. Aluminum plating, chromium plating, nickel plating, copper plating and iron plating can be completed. According to different metal materials, we can make matte plain surface, bright mirror and other effects. Which vacuum spraying effect should be selected according to the design requirements. If you only need to keep the transparent laser effect, you can use zinc sulfide plating to protect the pattern.
4.镭射膜裱纸
4. Laser film mounting
猫眼镭射膜裱纸工序采用传统的裱纸机进行,该过程应选择合适的胶水,控制好裱纸速度和压力,使产品平整、无汽泡和不起皱,符合印刷要求即可。
The traditional paper mounting machine is used in the paper mounting process of cat's eye laser film. The proper glue should be selected in the process to control the paper mounting speed and pressure, so that the product is flat, bubble free and wrinkle free, meeting the printing requirements.
5.分切平张
5. Slicing and flatting
猫眼镭射纸裱好后为卷筒状,切平张需分两步进行。步,调节好分卷机上的分卷刀,将追踪电眼对镭射膜上预先做好的直条识别色标进行追踪后,由左右两边进行分卷直线裁切;第二步,利用平张分切机对分好卷的猫眼镭射纸进行分切。
The cat's eye laser paper is mounted in a roll shape, and the cutting and flattening needs to be carried out in two steps. The first step is to adjust the coiler knife on the coiler, track the straight strip identification color mark on the laser film with the tracking eye, and then cut the coiler straight from the left and right sides; the second step is to cut the cat eye laser paper with the flat slitter.
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