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Thread: How to Cut Perspex
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11th October 2005, 11:22 PM #1Intermediate Member
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- Oct 2004
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- Queensland
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How to Cut Perspex
What has other members found to be the best way to cut perspex acrylic sheet ?
I have a variable speed jigsaw but do I need a particular blade ? I know I need to use a slow speed.
Can the perspex be scored with a Stanley blade and snapped ?
Thanks for helping...
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11th October 2005, 11:26 PM #2
i often cut plastc for the kids , mostly just on the saw table with the blade low , sometimes on the compound mitre saw and sometimes on the bandsaw . no problems . i doubt you could score it and snap it.
as scoot says , leave the paper on as long as possible .
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11th October 2005, 11:36 PM #3Senior Member
- Join Date
- Jun 2002
- Location
- Mildura Vic.
- Age
- 57
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- 135
Bandsaw!
The Bandsaw!
Iv'e recently cut quite a bit of perspex on the bandsaw (not too coarse a blade) with great results. Not a single drama.
Probably wouldn't consider any other method now.
regards Sandman.
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11th October 2005, 11:36 PM #4
Gday pest, jigsaw with sharp fine blade on slow speed (less melting) as you said will do, as will wot rick sed. If jigsawing, ensure workpiece is held down well so it doesn't snag on blade and chatter (with consequences )
Main thing if jigsawing or hand saw is not to rush the cut, or you can get small stress cracks radiating from the cut line.
Leave paper on the plastic as long as possible.
Cheers................Sean
The beatings will continue until morale improves.
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11th October 2005, 11:56 PM #5Originally Posted by rick_rine
This statement was made 10 minutes before Scooter said it, :eek:
Al, Grunt calling all foilies, quick quick the aliens are here.Bruce C.
catchy catchphrase needed here, apply in writing to the above .
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12th October 2005, 12:02 AM #6Originally Posted by E. maculata
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12th October 2005, 12:19 AM #7
Never a truer word, etc...
Cheers..............Sean, micro mind
The beatings will continue until morale improves.
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12th October 2005, 12:52 AM #8
I recently cut some on a scms (wih an 80t blade with monimal rake) as I was too lazy to go out to the shed or cut it by hand. The first two cuts went fine - the third cut shattered the sheet and sent three pieces flying, each about the size of an open palm. One hit the blade guard and fractured it, another hit me on the hand causing an insignificant cut and the other I'm piece I'm yet to find. Not something I'll try again soon.
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12th October 2005, 07:34 AM #9
On the rare occasions I've had to cut perspex, I've used a diamond blade in a 4" angle grinder, the same blade I use for ceramic tiles and all manner of other things and then cleaned up the edge of the perspex with my router.
I wanted to become a brickie but my old man said "No son, learn a trade."
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12th October 2005, 09:11 AM #10
If you want really smooth edges of your perspex, get one of them butaine blow torches, light her up and run it down the edge.
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12th October 2005, 08:29 PM #11Intermediate Member
- Join Date
- Oct 2004
- Location
- Queensland
- Posts
- 34
Well, I don't have a bandsaw, but I do have a triton saw table, but I would of thought the speed would of melted the perspex ??
Looks like the slow jigsaw with a new fine blade will do it. I intend to stick some broad packing tape to the base of the jigsaw so as not to mark the plastic sheet or the perspex.
Thanks to all who replied, this bulletin board has to be the most friendly I have come across in internet land. Cheers
PestMaster
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12th October 2005, 09:03 PM #12
Cutting Perspex/Plexiglas
As a part of my work I often have to cut perspex/plexiglas.
For small peices I use the table saw or for larger sheets I use a circular saw on a table.
Melting is minimal and not a real problem and it is easily filed or broken off. Both saws have multi purpose hack-saw blades normally used to cut aluminium.
The trick is to make sure the sheet does not lift which will cause it to shatter and to feed it slowly and steadily.Russell (aka Mulgabill)
"It is as it is"
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13th October 2005, 11:51 PM #13
My choice would be table saw with a fine blade preferably negative rake ( i would mount up an aluminium cutting blade).
Allways with plastic controll of the cut is important, it will bite soon as look at you. Make sure the job is flat on the table the fence is straight with the blade and the sheet runs tight to the fence and the feed is smooth. I would run the blade at full height to minimise the posibility of kick back.
Better still get it cut to size.
Band saw would be my second choice unless the piece was small or curved then it would be #1.
You will have to be real carefull with the jigsaw.
sharp blades always.
Be very carefull with this stuff, if it breaks up & gets thrown around its worse than glass on some ways.
cheersAny thing with sharp teeth eats meat.
Most powertools have sharp teeth.
People are made of meat.
Abrasives can be just as dangerous as a blade.....and 10 times more painfull.
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13th October 2005, 11:56 PM #14Originally Posted by soundman
Where are my pancakes ?
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14th October 2005, 07:55 AM #15
Another trick is to use a non tiped blade, put in reversed, if you know what I meen
NormellEvery day above ground is a good day
Still drinking & driving, but not at the same time
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