22 cold forming 22 strip heat bending 23 drape forming 23 three dimensional forming.
Cold bending acrylic sheet.
Turn the sheet of acrylic over on the heating element every 30 60 seconds in order to avoid damaging it.
Chemically spectar is similar to the pete used to make disposable drink bottles and is commonly abbreviated as petg.
Wear gloves as you do this to avoid burning your hands.
It is given by multiplying the thickness of the sheet by 100 i e.
Cold forming plexiglas sheet can be cold formed bent at room temperature in a smooth arc and held to a radius by forcing the material into a curved channel support.
Heat source small projects with bends that are close together will need upon heat source which can be easily aimed at small areas.
Plexiglas acrylic sheet heated from one side may vary from one.
The two best tools for this are a small butane torch the type used in the kitchen work well or you can also use an embossing heat tool used by card makers and scrapbookers to melt and apply embossing powders.
Be sure that the marked line is above the heating element.
In the image above the values are all in inches but the principle often holds even if the units are in mm.
Forming but is viable for bending sheet thicknesses of up to about two inches.
Spectar supposedly looks and handles much like acrylic but with the surprising property that it can be cold formed without breaking or whitening and exhibits a memory effect holding a cold bend until reheated.
Plexiglas sheet cold forming.
A typical forced circulation air oven is shown.
To bend sheet plastic and acrylic you will need.
This radius is applied in all cold bending procedures.