Electrostatic spraying technology (electrostatic spraying) has the advantages:

不需稀料，施工对环境无污染，对人体无毒害；涂层外观质量优异，附着力及机械强度强；喷涂施工固化时间短；涂层耐腐耐磨能力高出很多；不需底漆；施工简便，对工人技术要求低；成本低于喷漆工艺；有些施工场合已经明确提出必须使用 静电喷塑 工艺处理；静电 喷粉 喷涂过程中不会出现喷漆工艺中常见的流淌现象。

No pollution, no pollution to the environment, no pollution to the environment, no poison to the human body; the coating appearance quality is excellent, adhesion and mechanical strength are strong; the curing time of the coating is short; the coating resistance to corrosion and wear resistance is much higher; it does not need primer; the construction is simple, the technical requirements of the workers are low; the cost is lower than the spray painting process; some construction occasions have clearly put forward the need to use static spray technology treatment. During the process of electrostatic spraying, there will be no common phenomenon in spray painting process.

静电喷塑的工艺原理:

The technological principle of electrostatic spraying:

是利用电晕放电现象使粉末 涂料 吸附在工件上的。其过程是这样的：粉末涂料由供粉系统借 压缩空气 气体送入 喷枪 ，在喷枪前端加有高压静电发生器产生的高压，由于电晕放电，在其附近产生密集的电荷，粉末由枪嘴喷出时，形成带电涂料粒子，它受静电力的作用，被吸到与其极性相反的工件上去，随着喷上的粉末增多，电荷积聚也越多，当达到一定厚度时，由于产生静电排斥作用，便不继续吸附，从而使整个工件获得一定厚度的粉末涂层，然后经过热使粉末熔融、流平、固化，即在 工件表面 形成坚硬的 涂膜 。

It is the corona discharge phenomenon that makes powder coatings adsorbed on workpieces. The process is: the powder coating is sent to the spray gun by the powder supply system by the compressed air gas, and the high pressure produced by the high voltage electrostatic generator at the front of the spray gun. Due to the corona discharge, the dense charge is produced near it. When the powder is ejected from the nozzle, it forms the charged coating particles. It is subjected to the static electricity and is sucked to the workpiece with opposite polarity, along with the spray. When the powder increases and the charge accumulation is more, when a certain thickness is reached, the adsorption is not continued because of the electrostatic repulsion. Thus the whole workpiece is coated with a certain thickness, then the powder is fused, leveled and solidified through heat, that is, the hard coating on the surface of the workpiece is formed.

静电喷塑的工艺流程：

The technological process of electrostatic spray:

1、前处理：

1. Pre treatment:

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 the oil, dust and rust on the surface of the workpiece, and to produce a layer of "phosphating layer" on the surface of the workpiece which can resist corrosion and can increase the adhesion of the 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。

The main process steps are degreasing, rust removing, phosphating and passivation. The surface of the workpiece is not only surface without oil, rust, dust, but also on the original silvery white glossy surface to produce a uniform and coarse rusty gray phosphating film, which can not only prevent rust but also increase the adhesion of the plastic 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。

Aim: the powder coating is evenly sprayed on the surface of the workpiece, and the special workpiece (including the location of the electrostatic shielding) should be used to finish the spray.

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；

A powder coating is sprayed evenly on the surface of the workpiece by electrostatic adsorption.

落下的粉末通过回收系统回收，过筛后可以再用。

The falling powder is 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 coating on the surface of the workpiece to the specified temperature and keep the corresponding time, so that it is melted, leveled and solidified so as to get the surface effect of the workpiece we want.

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。

Process steps: push the sprayed workpiece into the curing furnace, heat it to the predetermined temperature (generally 185 degrees), and heat the corresponding time (15 minutes); take out the oven and get the finished product.

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。

Tip: heating and control system (including electric heating, fuel, gas, coal and other heating ways) + heat preservation box = curing oven.

4、装饰处理：

4, 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 all kinds of wood grain, pattern, light and so on.

工艺步骤：罩光；转印等处理工艺 。

Process steps: cover light; transfer printing and other processing technology.

喷塑也就是我们常讲的 静电粉末喷涂 ,它是利用静电发生器使塑料粉末带电,吸附在铁板表面,然后经过180～220℃的烘烤,使粉末熔化黏附在金属表面,喷塑产品多用于户内使用的箱体,漆膜呈现平光或哑光效果。喷塑粉主要有丙烯酸粉末、聚酯粉末等。

The spray plastic is the electrostatic powder spray which we often speak, it uses the electrostatic generator to make the plastic powder charged and adsorbed on the surface of the iron plate. Then after baking at 180~220 C, the powder is melted and attached to the metal surface, and the plastic products are used for indoor use. The film shows the effect of flat or dumb light. There are mainly acrylic powder, polyester powder and so on.