Lay your plastic on your heat safe work surface and place a scrap of stripwood over your plastic roughly 1 4 of an inch in front of where you want your bend to be.
Bending acrylic sheet in oven.
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This will be somewhat determined by the thickness of your plastic.
Use the spare piece of flat scrap wood to push the acrylic back and down while you aim the heat gun at the acrylic.
The example here is the outside of a mold but it can work inside too.
As you ll need to put the plastic sheet into the oven this is your size limitation.
Place the part of the acrylic to be bent just above the open door wait for it to soften enough and then bend it to the angle desired.
Place a plexiglass sheet on large pan and place on the middle oven rack.
Preheat the oven to 250 degrees f.
Preheat oven to 300 degrees fahrenheit.
Make adjustments appropriate to the specifications of your project.
Heat for approximately five minutes.
Make your pressure on the acrylic as even as possible while you push.
Unwrap the acrylic from its protective sheets.
Have a mold ready to use.
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It is then held in place until it cools down.
The large pan prevents the plexiglass from coming into contact with the hot rack which can distort the plexiglass due to uneven heating.
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If you have a toaster oven set it to about 200ยบ and leave the door slightly ajar.
Prepare your heat gun for bending the acrylic.
If you don t have a toaster oven you can carefully use a heat gun to heat the acrylic.
Heating is a slow process in order to make sure that you get a straight bend in the acrylic.
Thicker plastic will need a wider radius curve for most bends.
Bake and set the timer.
Remove from the oven.
You should have thermal gloves when removing the sheet from the oven.
Also called oven forming in this technique the sheet is heated to its forming temperature in an oven and then placed over the mold.
Measure the inside of your oven.
Thermoforming acrylic and pvc sheet in eplastics large oven.