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Vacuum forming is a simplified version of thermoforming, where a sheet of plastic is heated to a forming temperature, stretched onto a single-surface mold, and forced against the mold by a vacuum. This process can be used to form plastic into permanent objects such as turnpike signs and protective covers. Normally draft angles are present in the design of the mold (a recommended minimum of 3°) to ease removal of the formed plastic part from the mold.
|dental vacuum forming machine Technical parameter|
|Max suction height||400mm|
|Open Method||By hands|
|Applicable material||Acrylic ABS PVC PS HIPS PC etc|
A globally trusted provider of Vacuum Forming solutions. With more than 6 years of experience providing vacuum forming solutions worldwide to many of the world's leading companies and institutions Formech has earned a reputation for delivering fit for purpose, reliable plastics processing machinery with extensive local support.
All Yunneng machines are supplied with a 18 months limited warranty for non-consumable parts.
Full Terms and Conditions and Extended warranty packages are available on request.
Wherever you are situated Yunneng offers comprehensive service and support packages through an International network of fully trained and appointed partners.
Yunneng machines are designed to be user serviceable for all consumable parts saving you time and money. Step by step maintenance and troubleshooting guides in CD are provided with each machine. We are always happy to help our customers diagnose and resolve issues by phone or email but if you require on site assistance we offer expedient support and fixed price service / repair options.
|Standard items on machine|
|(01)DSP control handle|
|(02) User Manual (English Version)|
|(03) 5.5kw vacuum pump|
|(04) Extra 4 pieces heating tube|
|(05) Communication cable|
|(-6)4 pieces air cylinder|
|(-7)air compressure measurement|
|(08)Adjustable press frame|
|(09)insulation working table|
|(10)Temperature control cabinet|
Types of molds
There are numerous patterns one can make with vacuum forming. The most inventive way to use vacuum forming is to take any small item, replicate it many times and then vacuum for the new pattern to create a more cohesive form. The vacuum forming helps tie the individual pieces together and make one mold out of many pieces that can easily be replicated. From there, you can cast plaster, concrete, etc. into the plastic form.
Wood patterns are a common material to vacuum form but probably the most obvious. Wood is relatively inexpensive and allows the customer to make changes to the design easily. Using recycled objects or forms are the most sustainable way to make a vacuum form because they are 'found objects' at no additional cost. The number of samples that one is able to get from any pattern depends on the size of the part and the thickness of the material. Once the specifications of the part have been met, the pattern is then used to create a ceramic composite mold, or cast aluminum mold for regular production. Potentially, there are ways to create holes in plaster with a vacuum form if the replicated forms you make the vacuum form from are deep enough and you leave gaps between them for the plastic to form into. Then, once the plastic is used to cast a plaster mold, the deep plastic areas will leave holes if the mold is not completely filled.