The only major variable that can affect the forming process is the thickness of the plastic sheet.
Forming acrylic sheet oven.
Attempting to create a smaller radius would snap the sheet.
To reduce the length of the forming cycle pre dry the sheet in a spare oven and transfer it directly into the forming oven at 176 f 80 c after the drying period.
Note that the minimum radius of the bend you create is 180 times the thickness of the plexiglass sheet.
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Acrylic oven baking sheet aluminum foil timer felt for handling the acrylic and to prevent scratches tools for forming tools for forming may include.
It can also shorten the time required to transport the heated sheet from the oven to the forming equipment thus minimizing the possibility of cold forming.
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We manufacture high qualitythermoforming equipment.
Acrylic sheets in heating ovens.
It is important to provide sufficient clamping of the sheet during the forming process.
Sheet temperature is one of the most critical elements of the thermoforming process.
For instance the smallest complete circle you could form with a sheet of plexiglass 1 32 inch thick would have a radius of 5 6 inches.
For thicker sheets it will take longer and for thinner sheets it will take less time.
For thicker acrylic you will need to use a metal bar clamped very securely and you may only be able to work with narrow strips of material as your heat source may not be able to heat wider areas of thick material.
Modify the timing as necessary.
This device can reduce appreciably the labor required for clamping and unclamping sheets preparatory to forming.
Thermoforming acrylic and pvc sheet in eplastics large oven.
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Force the plexiglass into the desired shape.
Plexiglass or acrylic sheet this system works well for small pieces of plexiglass in thicknesses of up to 1 8 inch.
Twenty four hours at 176 f 80 c dries most sheets.
This article uses a sheet about 1 4 thick so all times are about 10 to 15 minutes per step.
Solid surface ovens and vacuum formers pvc film and structural plastics formers and high pressure laminate formers postformers.