Warm Global Customers
With China Plastic Machinery
With China Plastic Machinery
Vacuum Forming mask is a plastic product made by Vacuum Forming process, which is often used to make various complex shaped items.
Vacuum Forming is a plastic processing technology. Its basic principle is to heat the plastic sheet to soften it, then use vacuum to adsorb it on the mold surface, and then cool it to shape. This method is widely used in the manufacture of plastic masks, packaging, lamps, advertising displays and decorations.
Vacuum Forming mask has many advantages, including saving raw materials, light weight, easy transportation, and compliance with environmental protection standards. In addition, it can produce products of various unique shapes and is easy to operate. The appearance and color of the masks produced can be freely adjusted, with various styles, and are suitable for large-scale mechanized production, thereby improving work efficiency.
In order to complete the production process of Vacuum Forming mask, a series of specific equipment is required, such as Vacuum Forming forming machine, punching machine, puncher, spray gun and water curtain machine.
The production process of Vacuum Forming masks usually includes the following steps: First, fix the plastic sheet in the appropriate position, and then heat it to make it soft and easy to deform. Then, through vacuum adsorption, the sheet is closely attached to the surface of the mold to form the desired shape. After cooling, the molded mask can be taken out of the mold, and the excess edge parts are removed to finally get the complete finished product.
The production of Vacuum Forming masks has certain requirements for materials. First, Vacuum Forming molding can only produce products with relatively uniform wall thickness, but cannot produce products with large differences in wall thickness. Secondly, the wall thickness of Vacuum Forming masks is generally between 1 and 2 mm, and the thinnest can reach 0.8 mm. In addition, due to the limitations of Vacuum Forming molding, the diameter-to-depth ratio of the obtained plastic container should generally not exceed 1:1, and in special cases should not exceed 1.5:1. Finally, the dimensional accuracy of Vacuum Forming molding is low, and the relative error is usually more than one percent.
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