Automobile hard-plastic instrument board clearance surface difference guarantee technology
A technology for automobiles and hard plastics, applied in the field of auto parts, can solve problems such as the airtightness of the defrosting air duct and the instrument panel, the gap between the instrument panel and the instrument cover, and the air leakage between the defrosting air duct and the instrument panel. Enhance the effect of defrosting and defogging, ensure product surface difference, and reduce the use of glue or bolts
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[0023] Example: The gap and surface difference guarantee process of automobile hard plastic instrument panel includes the following steps:
[0024] 1) Feeding: The action system of the whole machine controls the welding body to the required position for automatic feeding;
[0025] 2) Press molding of the instrument panel body: feeding materials according to the formula ratio, and integrally forming the instrument panel body structure in the extruder, and cooling down;
[0026] 3) Defrost air channel welding of the instrument panel body: place the instrument panel body in the ultrasonic welding equipment, position it through the positioning mechanism of the ultrasonic welding equipment, pre-press, and then start the ultrasonic welding equipment. The welding pressure is 15-20KHz, and the defrosting The air duct is firmly welded on the instrument panel. Before welding, preheat the defrosting air duct and the instrument panel body separately. During preheating, keep the temperatu...
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