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 Post subject: Plexi jig
PostPosted: Fri Oct 20, 2017 5:09 pm 
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Joined: Sat Jul 19, 2008 11:07 am
Posts: 713
Location: Cobourg ON
First name: Steve
Last Name: Denvir
City: Baltimore
State: ON
Zip/Postal Code: K0K 1C0
Country: Canada
Focus: Build
Status: Amateur
I want to make a jig out of plexi for cutting a channel for a back strip. Any thoughts on the best way to cut the plexi? Or should I just stick with Baltic ply?

Thanks in advance

Steve


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 Post subject: Re: Plexi jig
PostPosted: Fri Oct 20, 2017 5:56 pm 
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Joined: Tue Mar 01, 2011 1:32 pm
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First name: Alex
Last Name: Kleon
City: Whitby
State: Ontario
Zip/Postal Code: L1N8X2
Country: Canada
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Polycarbonate sheet is a better choice, Steve. Plexi cracks and shatters easily, IIRC. I cut it on the table saw. If I'm ripping poly that is under 1/4" thick, I'll double stick tape a sacrificial piece of wood on top of it to keep it from riding up on the blade. There's a shop near me that sells all kinds of plastics. They usually have a rack with odds and ends pieces, as well as metal and aluminum in all shapes and sizes.

Alex

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 Post subject: Re: Plexi jig
PostPosted: Sat Oct 21, 2017 5:02 am 
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Old Growth Brazilian Rosewood
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Joined: Fri Nov 02, 2007 9:49 am
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Location: Ann Arbor, Michigan
First name: Hesh
Last Name: Breakstone
Country: United States
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You don't mean one of these do you buddy ;)

Image



These users thanked the author Hesh for the post (total 2): klooker (Sat Oct 21, 2017 8:42 am) • Clinchriver (Sat Oct 21, 2017 5:27 am)
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 Post subject: Re: Plexi jig
PostPosted: Sat Oct 21, 2017 6:45 am 
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Brazilian Rosewood
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Plexi routs well. If you use a table saw to cut it an ATB (alternate top bevel) blade with a high tooth count might be a good choice.


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 Post subject: Re: Plexi jig
PostPosted: Sat Oct 21, 2017 9:09 am 
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Cocobolo
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Joined: Tue Mar 26, 2013 6:49 pm
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First name: Fred
City: Winnipeg
Country: Canada
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Hesh wrote:
You don't mean one of these do you buddy ;)

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First thing that popped into my head also. Mind you I am more or less out of commission for guitar building and have been planning out some amps I want to build.



These users thanked the author printer2 for the post: Hesh (Sat Oct 21, 2017 1:22 pm)
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 Post subject: Re: Plexi jig
PostPosted: Sat Oct 21, 2017 9:39 am 
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Cocobolo
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Joined: Tue Jul 22, 2008 9:34 pm
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Location: ottawa, ontario, ca
First name: Mike
Last Name: McNerney
City: Ottawa
State: On
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I like BB partly because if you accidently run a bit in to it it's easily repairable. I also think it might be more ridged in 1/2" or 3/4" thickness. Of course it depends on the overall width you make the guide/jig . I just made one of 1/4" and 10" wide to cut a sliding dovetail on a piece of furniture & it stayed ridged. I guess 10" wide of plastic is ridged too.

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 Post subject: Re: Plexi jig
PostPosted: Sat Oct 21, 2017 12:07 pm 
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Mahogany
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State: West Somerset
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Yes I would go for polycarbonate or poly acrylate. Machine with ordinary woodworking tools, though I find using a disk sander can leave a bit of melted material on the edge - possibly because it's time to change the abrasive!

Dave


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 Post subject: Re: Plexi jig
PostPosted: Sat Oct 21, 2017 3:59 pm 
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Joined: Sat Jul 19, 2008 11:07 am
Posts: 713
Location: Cobourg ON
First name: Steve
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Country: Canada
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printer2 wrote:
Hesh wrote:
You don't mean one of these do you buddy ;)

Image


First thing that popped into my head also. Mind you I am more or less out of commission for guitar building and have been planning out some amps I want to build.

Aw geez, don’t encourage him. :-)



These users thanked the author JSDenvir for the post: Hesh (Sun Oct 22, 2017 5:30 am)
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