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Bending plexiglass
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<blockquote data-quote="greybeard" data-source="post: 1675712" data-attributes="member: 18945"><p>I have done it a lot in a former occupation. Often, beyond 90 degrees. Hundreds of pieces, of both Plexiglas® (acrylic) and Lexan® (polycarbonate.)</p><p>Acrylic is pretty brittle and 1/4" will often crack along the bend line if not heated before hand. Lexan® is more forgiving but even it would probably need some heat if the bend is to stay exactly as you bent it. Did most of our bending in a manual press brake. If you don't heat it along the bend line on anything thicker than 1/8", it will be pretty hard to keep the sheet from pulling out of the locking clamps.</p><p></p><p>It's not difficult at all once you get the hang of it, but heat is essential if you desire a precise bend.</p></blockquote><p></p>
[QUOTE="greybeard, post: 1675712, member: 18945"] I have done it a lot in a former occupation. Often, beyond 90 degrees. Hundreds of pieces, of both Plexiglas® (acrylic) and Lexan® (polycarbonate.) Acrylic is pretty brittle and 1/4" will often crack along the bend line if not heated before hand. Lexan® is more forgiving but even it would probably need some heat if the bend is to stay exactly as you bent it. Did most of our bending in a manual press brake. If you don't heat it along the bend line on anything thicker than 1/8", it will be pretty hard to keep the sheet from pulling out of the locking clamps. It's not difficult at all once you get the hang of it, but heat is essential if you desire a precise bend. [/QUOTE]
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Bending plexiglass
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