| 静电喷塑工艺流程 |
| 添加时间：2019/6/11 13:55:17 浏览次数： |
| 工艺流程 Technological process 1、前处理: 1. Pretreatment: 目的:除掉工件表面的油污、灰尘、锈迹，并在工件表面生成一层抗腐蚀且能够增加喷涂涂层附着力的"磷化层"。 Objective: To remove oil, dust and rust on the surface of workpiece, and to create a corrosion-resistant "phosphating layer" on the surface of workpiece, which can increase the adhesion of spraying coating. 主要工艺步骤:除油、除锈、磷化、钝化。工件经前处理后不但表面没有油、锈、尘，而且原来银白色有光泽的表面上生成一层均匀而粗糙的不容易生锈的灰色磷化膜，既能防锈又能增加喷塑层的附着力。 Main process steps: degreasing, rust removal, phosphating and passivation. After pre-treatment, not only the surface of the workpiece is free of oil, rust and dust, but also a uniform and rough grey phosphating film is formed on the original silver-white glossy surface, which is not easy to rust. It can not only prevent rust, but also increase the adhesion of the spraying layer. 2、静电喷涂 2. Electrostatic Spraying 目的:将粉末涂料均匀地喷涂到工件的表面上，特殊工件(包含容易产生静电屏蔽的位置)应该采用高性能的静电喷塑机来完成喷涂。 OBJECTIVE: To spray powder coatings evenly on the surface of workpieces. High-performance electrostatic spraying machine should be used for special workpieces (including positions prone to electrostatic shielding). 工艺步骤: Process steps: 利用静电吸附原理，在工件的表面均匀的喷上一层粉末涂料; Using the principle of electrostatic adsorption, a powder coating is sprayed uniformly on the surface of the workpiece. 落下的粉末通过回收系统回收，过筛后可以再用。 The fallen powders are recovered through the recovery system and can be reused after sieving. 3、高温固化 3. High Temperature Curing 目的:将工件表面的粉末涂料加热到规定的温度并保温相应的时间，使之熔化、流平、固化，从而得到我们想要的工件表面效果。 OBJECTIVE: To heat the powder coatings on the surface of workpieces to the prescribed temperature and keep them warm for corresponding time, so as to melt, leveling and solidify them, so as to obtain the desired surface effect of workpieces. 工艺步骤: 将喷涂好的工件推入固化炉，加热到预定的温度(一般185度)，并保温相应的时间(15分钟);开炉取出冷却即得到成品。一般工件不同，加温温度与保温时间也不同。 Process steps: the sprayed workpiece is pushed into the curing furnace, heated to a predetermined temperature (generally 185 degrees), and the corresponding holding time (15 minutes); the finished product is taken out of the furnace and cooled. Generally, different workpieces have different heating temperature and holding time. 提示:加热及控制系统(包括电加热、燃油、燃气、燃煤等各种加热方式) + 保温箱体=固化炉。 Tips: Heating and control system (including electric heating, fuel oil, gas, coal and other heating methods) +thermal insulation box = curing furnace. 4、出炉冷却 4. Discharge Cooling 出炉冷却是将喷塑过程的结果进行冷却，使之回归到正常温度的一个过程。 Out-of-furnace cooling is a process of cooling the results of the spraying process and returning it to normal temperature. 5、装饰处理 5. Decoration treatment 目的:使经过静电喷涂 后的工件达到某一种特殊的外观效果如:各种木纹、花纹、增光等。 Objective: To make the workpiece after electrostatic spraying achieve a special appearance effect, such as various kinds of wood grain, pattern, brightening, etc. 工艺步骤:罩光;转印等处理工艺 。 Processing steps: covering; transfer printing and other processing technology. |
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