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Acrylic Bending 101

Discussion in 'Cases and modifications' started by B NEGATIVE, Sep 12, 2012.

  1. B NEGATIVE

    B NEGATIVE Forum Mod

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    This is a simple guide to forming 90's on acrylic sheet,you can make curves and other shapes with the use of formers but im keeping this simple for the novice....which i am.

    This is what you will need for this guide.

    The plexi/acrylic of your choice

    A heat gun.

    A work bench or surface

    A set of clamps and a clamping block to hold the workpiece in place.

    [​IMG]

    First up,line the edge of the worksurface with the line of your bend on the workpiece.

    [​IMG]

    then place your clamping block in line with your chosen bend point.

    [​IMG]

    Select 'FULL POWAH' on your trusty heatgun..

    [​IMG]

    Then move along the bend line,i keep around 3" away fro the plexi and move very quickly back and forth.

    [​IMG]

    Push gently with your fingers until the workpiece lays flat at 90 then maintain pressure for a couple of minutes.
    While the plexi is hot,it will have a springy property to it and will try to open up.

    [​IMG]

    You can tighten the 90 up even more using a former to push the acrylic down.
    The end result is this..

    [​IMG]

    [​IMG]
    PSU covers or hide away panels are now easy to make.

    You can tighten the 90 up even more using a former to push the acrylic down and in to the worktable.

    Please do this kind of thing in a ventilated space,preferably outdoors,as gasses are released on heating of acrylic...you cant see or smell them but they are there.
    Take fire precautions when using heat sources in this way.

    Feel free to ask for more detail by posting below
     
  2. mrnikhil_sudo

    mrnikhil_sudo Active Member

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    I will seek further details even I try this out for my self:)

    Sent from my MB526 using Tapatalk HD
     
  3. ryandigweed

    ryandigweed Member

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    Thanks for the info. With the pictures. I dont have all the tools but I like doing things like this. Could make nice housings and reservoirs by bending acrylic. I usually tell my friend to get the acrylic bent at his workspace. He's got the tools and such.

    I've always been worried about overheating the acrylic and messing the entire thing up. . This looks easier than it actually is :p
     
  4. carmas

    carmas Active Member

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    Thank you for this guide, it is very interesting. I want to get some scrap plexiglas to practice it. Just a couple of questions:
    1) what thickness is the acrylic you used?
    2) what's the power of the heat gun? I have a crappy one and I am not sure it is powerful enough...
     
  5. Playmate25

    Playmate25 New Member

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    I always end up ruining my acrylic glass with home made benders , this one could be helpful cause I could finally bend irregullar shapes
     
  6. Rich Summers

    Rich Summers New Member

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    Great video! 2 Quick ones.. what was the power of heatgun and is that 1/4 acrylic or 3/8?
     
  7. bonedub

    bonedub New Member

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    looks like a ncie bend!
     
  8. Kory

    Kory New Member

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    This is awesome, thanks! I always managed to mess up the bend somehow but will have to try this way
     
  9. ShavedApe

    ShavedApe New Member

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    Nice thanks for the tip
     
  10. colinmcr

    colinmcr New Member

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    Thanks for the guide :D
     

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