Molding Acrylic Sheets

You can get mold release spray at any hobby store.

Molding acrylic sheets.

Iu0019m forming the flatware and using 2 forks and 2 spoons i already have to shape my acrylic fork and spoon. As you ll need to put the plastic sheet into the oven this is your size limitation. Acrylic sheets can be relatively easily heated and formed to a desired shape. Measure the inside of your oven.

The example here is the outside of a mold but it can work inside too. Perspex sheet is a tradename for acrylic sheet known throughout the world just like lucite acrylic sheet. Plexiglass or acrylic sheet this system works well for small pieces of plexiglass in thicknesses of up to 1 8 inch. Once soft mold them into any shape you desire.

Simple bends can be made by heating the bend point with a wire heater. Caution iu0019ve only tried this in an electric oven. Or the entire sheet can be heated and draped or forced to take the shape of a desired form. After forming cool.

In designing a part for thermoforming several things must be taken into consideration to. Upon cooling they will be strong and permanent. I canu0019t recommend for gas ovens. Make adjustments appropriate to the specifications of your project.

Have a mold ready to use. Protect the surface you re working on by laying down sheets of newspaper and spraying them with cooking spray or a mold release product. Molds for thermoforming can be made out of many materials ranging from wood or plaster to aluminum or steel. Plexiglass is unrivaled in its ability to withstand the weather and is unmatched by any other plastic glazing.

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. Work on a smooth glass surface as the heated plastic won t stick to glass. Just heat the sheets above 150 degrees f for 2 3 minutes until they turn from translucent to clear using a heat gun. In order to cast with acrylic resin you need a mold.

Five years later this resin was formed into a transparent sheet and the acrylic era began. A mold any object shape you can press the acrylic into to give it shape. These acrylic sheets served as a useful bullet resistant glazing on fighter planes during world war ii as it was light strong and easily molded onto the skin of the aircraft. Step 2 make a mold.