The production process of plastic lunch boxes and its 6 processes
one. Preheating procedure: Use the raw material box to weigh the material according to the gram weight of the plastic lunch box to be produced, put it into a high-frequency wave to preheat evenly, and heat the powdery raw material into a block.
two. Plain Noodle Program: Pour the preheated and agglomerated raw materials into the mold, start the mechanical plain noodles program, and cure and form through high temperature and high pressure.
three. Applique procedure: Cut the flower paper that has been brushed with glossy powder according to the shape of the flower, and paste it on the plain-shaped plastic lunch box as required. Mechanical printing procedure.
Four. Gold adding procedure: After the product is affixed with flowers, evenly sprinkle light powder on the surface of the product. The light powder should not be sprinkled too little, otherwise it will affect the color of the product. Of course, it should not be sprinkled too much. Then start the machine, after the mechanical high temperature and high pressure, curing, the product surface has a porcelain-like luster.
five. Polishing procedure: After the product is produced, it must be ground and polished, because the produced product has burrs, which is not conducive to the use of people's lives, and it is easy to cause damage to people's hands and mouths; therefore, grinding and polishing are essential. Polishing can remove the burrs of the product, making the product look more beautiful and the edge more smooth.
six. Inspection and packaging procedures: The polishing operation enters the inspection link, and the quality inspection is strictly controlled. There should be initial inspection and re-inspection, and unqualified products are picked out and then put into the warehouse for packaging.
