Download Article

Download Article

This article will teach y'all a super easy way to grade acrylic plastic sheets without cracking, splintering, or destroying the canvas. Annotation that this is not on the level of mixing and pouring a fluid for intricate forms. Instead, this is for taking an existing plastic sheet and cutting and bending it to a grade. Yous'll need cold weather gloves, potent scissors, your mold and an oven.

Steps Download Article

  1. i

    Measure the within of your oven. As you'll demand to put the plastic sheet into the oven, this is your size limitation.

  2. 2

    Have a mold set up to use. The instance hither is the outside of a mold, simply it can work inside, too.

    Advertisement

  3. 3

    Make adjustments advisable to the specifications of your project. The but major variable that tin affect the forming process is the thickness of the plastic sheet. This article uses a canvas near 1/4" thick, so all times are about x to xv minutes per step. For thicker sheets, it volition take longer, and for thinner sheets, it will take less time. Modify the timing as necessary.[1]

  4. 4

    Measure out the size of the of the overall piece y'all need. Make sure the canvass is simply big enough for the form. Use a plastic cutting knife to cut the sail downwards to the general overall size.[2]

  5. 5

    Marker the shape with a black felt tip pen. This should include any interior cutouts, corners, etc.

  6. 6

    Place the plastic canvass on a cookie sail and identify in an oven prepare to 250 F. Expect about 10 minutes for it to warm fully. When it's set up yous'll find it flexible when you try to pick it up.[3]

  7. seven

    Put on your gloves when yous piece of work with the plastic. It's hot and volition burn down you if you're non careful.[4]

  8. 8

    Cut any curves, corners, cutouts, etc. using the heavy shears or scissors. Yous'll have near 2 minutes earlier it cools and hardens too much to cut. If it gets too hard, put it back in the oven to warm up again.[5]

  9. 9

    Place back into the oven once it'due south cut to form, and raise the temperature to no more than than 275 F. At 300 F. it will begin to stick to the cookie sheet. Above that temperature it can cook and/or brainstorm to bubble.[6]

  10. 10

    Pull the plastic out and quickly printing onto or into the mold that is ready. Use your fingers and firm force per unit area to press into any corners, fold, bends, etc. Go on to hold and press into shape until it begins to harden.

  11. 11

    Quickly dunk into cold water to cool and fix the slice.

  12. 12

    If there is a error, reheat and start over once more.

  13. 13

    Final check. If there are a few curves or bends that need correcting, you tin can turn on a burner on low to pass the piece back and forth over to SLOWLY estrus it upwardly for localized bends.

    Advertisement

Add together New Question

  • Question

    Are at that place whatsoever health/condom precautions to be taken? Is it safe to just put the plastic in the oven?

    Community Answer

    In well-nigh cases yes, but if you're using a kind of plastic that either has a very low combustion temperature, or gives off nasty fumes when heated, then I would suggest using an air mask to protect yourself. Look online to come across whether this sort of thing would happen with your specific type of plastic. This will not happen for acrylic sheets, as they are prophylactic to mold.

  • Question

    If my mold is made of plastic, will it cook or become stuck in the plastic that I'm molding?

    Yonaton Chanowitz

    Yonaton Chanowitz

    Customs Answer

    Depending on what type of plastic information technology is, information technology probably will stick to it. Y'all tin put parchment paper sheets between the mold to avert this, but the heat from the thermoplastic may warp the mold.

  • Question

    I am using an aluminum mold and followed the steps in the article. However, I accept small air bubbles on the surface. How do I correct this?

    Community Answer

    The aluminum got too hot and began to burn the plastic, or the oven was too hot. Either style, the bubbling can be sanded or flame polished.

  • Question

    How do I curve 19mm plastic?

    Community Answer

    Make a fixture with Heater Route and put a plain canvas on it. As it get hot, put it in a wooden mold(make a as your requirement), and printing it on press. As the part temperature gets normal, open that wooden example and brand some correction via the grind automobile.

Enquire a Question

200 characters left

Include your email accost to get a message when this question is answered.

Submit

Advert

  • If the area to curve is on an outer curve or bend, or if you want to create a tighter corner, attempt using a frying pan on Depression heat to hold the plastic area to bend. One time heated it will bend easily.

  • The reason this works is considering acrylic plastic really melts at 405 F. Try to really cook plastic waste product pieces to see if they volition join and pour or catamenia into tighter molds.

Thank you for submitting a tip for review!

Advertisement

  • Don't heat to more than 300 F. or you will begin to create bubbles in the plastic.

  • Brand sure you use rut (cold) resistant gloves. They will still get hot as you work.

Advertisement

References

Nearly This Article

Cheers to all authors for creating a page that has been read 222,404 times.

Reader Success Stories

  • Monica Myers

    Monica Myers

    Feb nineteen, 2017

    "I think this is a cracking idea. My husband is going to make acrylic shapes as a guide to run my daughter's sewing..." more

Did this article help y'all?