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  1. mike
    Guest
    May 15, 2003, 10:56 AM - Plexiglass #1

    I was trying to make armor out of plexiglass but it cracked when I cut it. So now I have a sheet of plexiglass unused is there anything I could do with it?
  2. Omega_Man's Avatar
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    May 15, 2003, 2:00 PM - Re: Plexiglass #2

    How did you cut it? Use a jigsaw.
  3. Jango_Fett_Jr's Avatar
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    May 15, 2003, 3:19 PM - Re: Plexiglass #3

    At first I cut my plexiglass visor with a hacksaw, but it cracked. I used a jigsaw and it was fine.
  4. mike
    Guest
    May 15, 2003, 5:43 PM - Re: Plexiglass #4

    Yep it was a jigsaw
  5. Member Since
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    984
    May 15, 2003, 6:56 PM - Re: Plexiglass #5

    i used pexiglass tubing when putting my jet pack together.i cut it with my dremel using the fiberglass cutting wheel and no probs.
  6. mike
    Guest
    May 16, 2003, 9:11 AM - Re: Plexiglass #6

    When I was cutting, the friction was so hot that the plexiglass melted a little and resealed.
  7. Member Since
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    May 16, 2003, 11:21 AM - Re: Plexiglass #7

    well a buddy of mine built a subwoofer box for his car outta plexi and when he was doin his cutting (jigsaw) he made me stand there and spray water with a turkey baster on the blade.
    I felt REALLY dumb doin it but there was NO melting and not one crack at all.
    Same principle as cutoff saws and brick/concrete.

    Hope this helps.
  8. Member Since
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    May 16, 2003, 6:42 PM - Re: Plexiglass #8


    mike wrote:

    When I was cutting, the friction was so hot that the plexiglass melted a little and resealed.
    yea that happens
  9. VashDstampede's Avatar
    Member Since
    Dec 2002
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    May 17, 2003, 12:46 AM - Re: Plexiglass #9

    Just another suggestion, if the plexiglass doesn't have a protective sheet covering one or both sides, you could use masking tape over the areas you will cut (put it on both and bottom). This usually prevents cracking, you may still have some chipping though, but very minimal.
  10. Member Since
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    May 17, 2003, 2:12 AM - Re: Plexiglass #10


    Darth Squeet wrote:

    well a buddy of mine built a subwoofer box for his car outta plexi and when he was doin his cutting (jigsaw) he made me stand there and spray water with a turkey baster on the blade.
    I felt REALLY dumb doin it but there was NO melting and not one crack at all.
    Same principle as cutoff saws and brick/concrete.

    Hope this helps.
    I've used some sort of oily stuff before to do this, through some fishing bobs. Or whatever those big red and white floating ball-things are called. I have no idea what kind of oily stuff, though, sorry. Using water, I was told, would cause rust problems or something. The oil got all over, but it wiped up, and it did keep the plastic I was drilling through from melting.

    EDIT: As for what to do with leftover plexiglass... You could build a doghouse, and put a window in it.
  11. Member Since
    Feb 2003
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    May 17, 2003, 3:27 AM - Re: Plexiglass #11

    if a jigsaw wont work, theres always hammer and chisle. ha ha jk. i dont have much experiece with jisaws but it looks like you got some great ideas goin for you, best of luck
    matt
  12. mgr's Avatar
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    May 17, 2003, 8:38 AM - Re: Plexiglass #12


    mike wrote:

    When I was cutting, the friction was so hot that the plexiglass melted a little and resealed.
    Sintra does that sometimes also.


  13. Member Since
    Mar 2002
    Posts
    544
    May 17, 2003, 2:05 PM - Re: Plexiglass #13

    I have found that a band saw is the best thing for cutting plexiglass and sintra. The jigsaw and scrollsaw, for some reason, don't work as well. The cut's not as smooth, the plastic has more a tendency to catch and "flap", and you have more of a melting problem since the cut's not quite as wide.
  14. mike
    Guest
    May 17, 2003, 6:15 PM - Re: Plexiglass #14

    Thanks so much you guys youve helped alot.
  15. lordfett's Avatar
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    Sep 2003
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    Oct 11, 2003, 12:05 AM - Re: Plexiglass #15

    Any one ever try Lexian (sp) not sure how much of a price difference there is between plexiglass and this stuff, but its a heck of a lot stronger.
  16. mobius's Avatar
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    Aug 2003
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    Nov 10, 2003, 2:42 PM - Re: Plexiglass #16

    I tried to use dark plexiglass to make a lenses on my trooper bucket and I used dremel and the cutting disk. The glass had protective sheet on it so it did not crack.

    The problem came when I was trying to get the curve.

    I managed to make the curve my butting the pice in a pot of boiling water.

    In a few minutes I took the pice out and held it shape with my hand and put under cold water.

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