How the custom thermoforming works?
19 November 2011There are so many names that have been given to the process of custom thermoforming and some of them are pressure forming, vacuum forming or the plastic forming. However, the names may get changed but the basic operation remains the same. Heat, pressure and the vacuum actually represent the major function of this thermoforming. The operation or the working can be understood in the form of algorithm. The very first step has something to do with the heating fo the plastic flat sheet and in this way, it can be made pliable. The extrusion of the plastic is done in different thicknesses and it depends on the purpose which is intended.
The plastic needs to be stretched in this custom thermoforming process and this is done with the help of pressure or the vacuum. With the help of this stretching, customized shaping can be given to the plastic sheet. Three dimensional shapes can also be given considerably. As the matter of molds is concerned, it can either be of the machine aluminum or the cast aluminum. After this, the plastic is let until it gets cooled and hence, the desired shape can be obtained in this way. After this, trimming is done and the proper assembling is done.
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