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Figure 2 – forming portion of sequence pressure thermoforming. Multifab manufacturingwww. Multifabmanufacturing. Thermoforming is the heating of a plastic sheet which is then draped over a mold while vacuum is applied. Thermoforming is a manufacturing process where a plastic sheet is heated to a pliable forming temperature, formed to a specific shape in a mold, and trimmed to create a usable product. All rights reserved. Sinotech | p: | sinotech. Com copyright sinotech. Mayfieldplastics.
In this guide we will focus on the vacuum forming and pressure forming processes. In a general sense, thermoforming is a forming process that converts a flat sheet of plastic into a usable 3 dimensional product. Table of contents, continued 5 57 corners too thin in deep draw 57 difficult part removal 58 loss of vacuum seal 58 sheet sticking to plug 58 tearing of sheet during forming. Com 2 multifab corporation 3808 north sullivan road, building 6 spokane, washington, 99216. The molding is then cooled before it is ejected from the mold using reverse pressure. 8150 introduction to thermoforming and vacuum forming. Thermoforming covers all processes which involve heat to shape polymers.
Vacuum forming is the most common application, where the sheet is drawn over a male mold, and vacuum is applied between the hot sheet and the tool.
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