The production of electric heating tube electroplating spraying room is a key process in the spraying production process
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The production of electric heating tube electroplating spraying room is a key process in the spraying production process
Precautions in the spray room. Spraying room production is a key process in the spraying production process, and the quality of the surface of sprayed profiles depends on the control of various process parameters during the spraying process. Powder quantity and accelerated air flow are two key technical indicators. Before formal powder spraying, it can be tried several times. At this time, the size of powder quantity and the uniformity of powder distribution can be observed at both ends of the spraying room. At this point, the powder runs in a straight line within 10cm from the end of the spray claw, while the outer part exists in the form of atomized powder. The powder adsorbed on the surface of the profile is actually the powder with this atomization effect. The presence of such atomized powder is used as a standard to control the distance between the spray claw and the profile. In addition to process parameters, some necessary small steps should also be noted.
The position of the spray claws should be maintained at a certain inclination, inclined towards the direction of the profile operation. The spray claws should be arranged vertically and parallel, and the end part should be kept in a straight line. There should be no overlap between the spray claws, and the position of the upper and lower spray claws should be suitable for covering all profiles with powder.
Control of planktonic pressure. The function of planktonic pressure is to use the action of airflow to create an appropriate suspension state for the powder, which feels similar to the state of liquid flow. When stirring the powder with hands or sticks, no resistance is felt, that is, the planktonic state reaches its full state. Floatation facilitates the suction of powder into the duct, and under the action of accelerated wind, atomization occurs. Insufficient or excessive pressure can lead to insufficient floatation.
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