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The Use of Vacuum Forming Molds

By Julia Roger Subscribe to RSS | December 9th 2011 | Views:
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There are different types of molds that are been used on everyday basis in industries and packaging. There are some packagings that need to be strong and the item that is inside needs to be kept in proper form till it gets delivered. In such cased thermoforming, molds which are also known as vacuum forming molds are required. In this case, a sheet is heated to a temperature that it is ready to form shapes and then it is stretched on a single surface mold or against it by applying vacuum between the two.

The processing of thermoforming molds requires a small tabletop machine or a larger one that heats the plastic to enable you stretch it on the mold using vacuum. There are even some companies which do this work on large scale basis to give a bigger sheet of vacuum molds. There are different other forms of processing plastic using injection molding, but this differs a lot from all of them. This method is used in developing disposable cups, lids, containers, trays, blisters and other foods that are required in medical and food industries. These are done with thin thermoforming molding and the thick ones are used in vehicle doors, refrigerator liners, and other plastic palates.

Thermoplastic is the most suitable material to use in this process, which can be even used in heavy gauged products. The heavy gauged products include kiosk and teller machines, the enclosing part of complex medical equipments which can be seen in a MRI machine, in a truck engine cover and many more. But all good things come with a problem or two and this also has the problem of moisture absorption, webs around the mold that can be formed by over heating of the plastic. It is possible to ignore these difficulties and get a proper result.

Julia Roger - About Author:
For more information on thermoforming molds, check out the info available online; these will help you learn to find the vacuum forming molds!

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