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静电喷塑加工
概述
Summary
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。
Spray is the electrostatic powder we often speak of spraying, it is the use of electrostatic generator to make plastic powder charged, adsorbed on the iron surface, then after 180 to 220 DEG C baking, the powder melting adhesion on the surface of metal, plastic products used for the indoor use of the film is flat or matte effect. The main spray powder is acrylic powder, polyester powder and so on.
静电喷涂工艺（静电喷塑）具有的优势:
The advantages of electrostatic spraying (electrostatic spray):
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。
Don't be thinner, the construction has no environmental pollution, no harm to the human body; the coating appearance is excellent adhesion and strong mechanical strength, short curing time; spraying; wear resistance coating rot is much higher; without primer; simple construction, low requirement for workers in painting process technology; low cost; construction has some occasions clearly you must use the electrostatic spray process; electrostatic powder spraying process does not appear in the common painting process flow phenomenon.
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 use of corona discharge to make powder coatings adsorbed on the workpiece. The process is this: powder coating by powder supply system by compressed air into the gas gun, a high voltage of the high-voltage electrostatic generator in the gun front, due to the corona discharge, producing a dense charge in its vicinity by powder spout gun, the formation of charged coating particles, it is affected by the electrostatic force, being sucked with the opposite polarity to the workpiece, with the spray powder increased, the charge accumulation is more also, when reaches a certain thickness, due to electrostatic repulsion, will not continue to adsorption, the powder coating so that the workpiece thickness, and then through the heat of the powder melting, leveling, curing, forming the hard coating on the surface of the workpiece.
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: remove the oil stain, dust and rust on the surface of the workpiece, and form a layer of phosphating coating that can resist corrosion and increase the adhesion of the spray coating on the surface of the workpiece.
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: oil removal, rust removal, phosphating and passivation. After pretreatment, the surface of the workpiece is not only oil, rust and dust, but also a uniform and rough gray phosphating film which is not easy to rust. It can not only rust but also increase the adhesion of the spray coating.
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: spray the powder coating evenly onto the surface of the workpiece, and the special workpiece (including the location that is prone to generate electrostatic shielding) should be spray by high-performance electrostatic spray machine.
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；
By using the principle of electrostatic adsorption, a layer of powder coating is evenly sprayed 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 falling powder is recycled through the recovery system and can be reused after screening.
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: heating the powder coating on the workpiece surface to the prescribed temperature and holding it for the corresponding time to melt, smooth and solidify the workpiece surface 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: workpiece spraying good into the oven, heated to a predetermined temperature (185 degrees), and holding the corresponding time (15 minutes); blow out cooling to obtain finished.
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。
Hint: heating and control system (including electric heating, fuel, gas, coal and other heating modes) + insulation box = curing furnace.
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 to achieve a special appearance, such as: various wood grain, pattern, lighting 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。
Spray is the electrostatic powder we often speak of spraying, it is the use of electrostatic generator to make plastic powder charged, adsorbed on the iron surface, then after 180~220 DEG C baking, the powder melting adhesion on the surface of metal, plastic products used for the indoor use of the film is flat or matte effect. The main spray powder is acrylic powder, polyester powder and so on.
Summary
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。
Spray is the electrostatic powder we often speak of spraying, it is the use of electrostatic generator to make plastic powder charged, adsorbed on the iron surface, then after 180 to 220 DEG C baking, the powder melting adhesion on the surface of metal, plastic products used for the indoor use of the film is flat or matte effect. The main spray powder is acrylic powder, polyester powder and so on.
静电喷涂工艺（静电喷塑）具有的优势:
The advantages of electrostatic spraying (electrostatic spray):
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。
Don't be thinner, the construction has no environmental pollution, no harm to the human body; the coating appearance is excellent adhesion and strong mechanical strength, short curing time; spraying; wear resistance coating rot is much higher; without primer; simple construction, low requirement for workers in painting process technology; low cost; construction has some occasions clearly you must use the electrostatic spray process; electrostatic powder spraying process does not appear in the common painting process flow phenomenon.
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 use of corona discharge to make powder coatings adsorbed on the workpiece. The process is this: powder coating by powder supply system by compressed air into the gas gun, a high voltage of the high-voltage electrostatic generator in the gun front, due to the corona discharge, producing a dense charge in its vicinity by powder spout gun, the formation of charged coating particles, it is affected by the electrostatic force, being sucked with the opposite polarity to the workpiece, with the spray powder increased, the charge accumulation is more also, when reaches a certain thickness, due to electrostatic repulsion, will not continue to adsorption, the powder coating so that the workpiece thickness, and then through the heat of the powder melting, leveling, curing, forming the hard coating on the surface of the workpiece.
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: remove the oil stain, dust and rust on the surface of the workpiece, and form a layer of phosphating coating that can resist corrosion and increase the adhesion of the spray coating on the surface of the workpiece.
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: oil removal, rust removal, phosphating and passivation. After pretreatment, the surface of the workpiece is not only oil, rust and dust, but also a uniform and rough gray phosphating film which is not easy to rust. It can not only rust but also increase the adhesion of the spray coating.
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: spray the powder coating evenly onto the surface of the workpiece, and the special workpiece (including the location that is prone to generate electrostatic shielding) should be spray by high-performance electrostatic spray machine.
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；
By using the principle of electrostatic adsorption, a layer of powder coating is evenly sprayed 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 falling powder is recycled through the recovery system and can be reused after screening.
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: heating the powder coating on the workpiece surface to the prescribed temperature and holding it for the corresponding time to melt, smooth and solidify the workpiece surface 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: workpiece spraying good into the oven, heated to a predetermined temperature (185 degrees), and holding the corresponding time (15 minutes); blow out cooling to obtain finished.
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。
Hint: heating and control system (including electric heating, fuel, gas, coal and other heating modes) + insulation box = curing furnace.
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 to achieve a special appearance, such as: various wood grain, pattern, lighting 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。
Spray is the electrostatic powder we often speak of spraying, it is the use of electrostatic generator to make plastic powder charged, adsorbed on the iron surface, then after 180~220 DEG C baking, the powder melting adhesion on the surface of metal, plastic products used for the indoor use of the film is flat or matte effect. The main spray powder is acrylic powder, polyester powder and so on.
