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| The general principle of the electrostatic oiled |
| Time：2012/4/2 14:09:52 Clicks：4484 |
Electrostatic oiled general principle:
Each atom with the positively charged nucleus, surrounded by negatively charged electron cloud and When the two materials, either through pressure or through frictional contact after the separation of the electronics will be free material surface, resulting in a static area (corona area). Electron reduction of the surface was positively charged, while the surface of the material with excess electrons negatively charged, these two charged materials will attract around oppositely charged materials to make the electrical properties and, if the charged material is electrically conductive, electrostatic The charge will soon be transferred through a material to the ground.
The high-voltage electrostatic generator, electrostatic discharge electrode connected with negative, positive and ground metal workpiece pick on the formation of an electrostatic field between the role of high-voltage high-voltage electrostatic generator, electrostatic discharge electrode tip and the workpiece. When the voltage is high enough, the electrostatic discharge cutting-edge near region to the formation of air ionization, fierce air ionization and heat, electrostatic discharge electrode tip around the formation of a dark red halo, then the air to produce a strong corona discharge . The film-forming material in the coating material from the polymer organic compounds composed of multi-conductive dielectric, most polar substances, low resistivity, with the ability to conduct electricity, they can improve the performance of the coating material charged. The molecular structure of the dielectric is composed of two kinds of polar molecules and non-polar molecules. Polar molecule composed of the electric media when subjected to an applied electric field, the electrical properties; non-polar molecules composed of the electric medium under an applied electric field, the display electrode resistance, and thus external to the conductivity of the charge to produce pro-work together, so that the dielectric in the plus The electric field in the outer surface can be partially charged. Atomization of the coating material through the nozzle spray atomized paint particles charged contact with the edge of the muzzle electrostatic discharge when the gas ionization zone after the corona discharge, will once again increase its surface charge density. The electrostatic field of the negatively charged paint particles, the wizard polarity of the surface movement and deposition on the workpiece surface to form a uniform coating.
Cold-rolled metal plate (with) Electrostatic Oiler working principle:
Oiler is the use of electrostatic adsorption principle, the electrostatic anti-rust oil AMD dual fluid (air and hydraulic) atomizing the oil particles adsorption in the high-speed motion of the metal cold rolled plate (with) to form a uniform thin the film. Can effectively solve the roller Oiler stick surface wear caused by uneven oiled or leakage Tu, resulting in corrosion of metal surfaces and coated with oil causing excessive high-speed punch slip. Electrostatic Oiler uniform coating, economic, efficient and pollution-free characteristics, has been used in a large number of iron and steel enterprises with significant economic benefits.
Electrostatic Oiler oiled room, high-voltage electrostatic power, fuel systems, air atomizing and hydraulic atomization systems, electronic control system and control cabinet, oiler installed horizontally on the lower dentate oiled electrodes, in which high speed through the quantitative oil supply system to provide electrostatic atomization system anti-rust oil by high pressure gas atomization nozzle atomization. High-voltage static power output 80KV a negative DC high voltage, in the oiled strip electrodes on the teeth, the use of point discharge of static electricity principle, the electrode and the grounded metal cold rolled plate (zone) between the high voltage electrostatic field. Three atomized mist with a negative charge in the high-voltage electrostatic field was adsorbed on the surface of the metal cold rolled sheet (belt) to form a uniform thin film. Oiled good quality. Fine atomization of the oil in high voltage electrostatic field under uniform comprehensive coverage, and coated with oil according to process requirements to adjust, you can overcome the fundamental roll Oiler Oiler uneven strip leakage painted and excess coating the shortcomings of the oil.
Electrostatic Oiler set of mechanical atomizing air atomization and purification, high-voltage electrostatic, digital control of high-tech. Compared with the traditional roller Oiler, Electrostatic Oiler Oiler uniform, saving oil (per square meter steel plate coated with oil thinnest of up to 0.3 g), high-speed punch does not slip and do not pollute the environmental advantages. |
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