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Old 03-16-2015, 10:44 PM
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coping saw to cut intricate shapes in sheet metal

is it possible? I'm trying to find out if they can cut sheet metal and at what gage but I can't find any information on that. I'm trying to emboss metal with a bench press and need a female and male die. The coping saw would allow me to get intricate shapes to make it worth it, but it would take a lot of time I assume IF possible.

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Old 03-17-2015, 12:16 AM
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Sheet metal nibbler should get you there.
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Old 03-17-2015, 07:25 AM
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nibbler

I use one of these, powered with an electric drill
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Old 03-17-2015, 09:14 AM
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nice. Is it hard to control in a drill or do you have that jig to keep it clamped down? That demo of it looks awesome. A drill provides great rpm control as well.

Last edited by tech69; 03-17-2015 at 09:23 AM.
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Old 03-17-2015, 09:32 AM
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Cutting sheet metal

If you glue the sheet metal down to 1/4 or 1/2 inch plywood with contact cement, you can cut with an electric jig saw. This will give you stability and with ultra fine blades you can cut the tightest detail that you want.
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Old 03-17-2015, 10:43 AM
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Quote:
Originally Posted by spacytracy View Post
If you glue the sheet metal down to 1/4 or 1/2 inch plywood with contact cement, you can cut with an electric jig saw. This will give you stability and with ultra fine blades you can cut the tightest detail that you want.
Spacytracy, has an excellent idea. I restored my old Stinson airplane aluminum parts by screwing them down to plywood. I also built my bead blaster using 1/2" plywood and gluing 030 aluminum to the plywood and then cutting the pieces to shape!!
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Old 03-17-2015, 01:50 PM
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it's called a jewelers saw when used on metal
will fine detail show up when embossing?
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Old 03-17-2015, 05:14 PM
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I'm not sure but I'd like to give it a try. I have doubts but regardless it would be useful to have something that can make intricate cuts when needed.
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Old 03-17-2015, 05:17 PM
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Quote:
Originally Posted by spacytracy View Post
If you glue the sheet metal down to 1/4 or 1/2 inch plywood with contact cement, you can cut with an electric jig saw. This will give you stability and with ultra fine blades you can cut the tightest detail that you want.
that's a nice idea, thanks. I think an air saw would work better though and think it could work. I really like the idea of this nibbler attached to a drill the cuts it makes are incredible.
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Old 03-17-2015, 07:13 PM
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I use one of these, powered with an electric drill
Page 1

Just thinking out loud, How much is one of them Nibblers???
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Old 03-17-2015, 10:42 PM
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hand nibblers also seem interesting as well. would be nice to have both! Any suggestions on hand nibblers?
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Old 03-18-2015, 07:57 AM
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power nibbler

I have the stand that I can mount it in a vise, I am a tool junkie. with a new drill I have about $ 200 in it. I am in the middle of a big building project , lots of new cabinets. I have 10 wood routers and just ordered $ 500 of new wood working tools. for years I used an Adel hand squeezer nibbler
http://www.ebay.com/itm/like/1816143...lpid=82&chn=ps
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Old 03-18-2015, 03:15 PM
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Fine detail cuts

Go down to your favorite woodworking store, or maybe even Harbor Freight aka china tool and buy a good variable speed jig saw with some metal cutting blades. The table surface along with the variable speed and your project glued to plywood will allow you to make precise tight cuts without vibrating your teeth out while you are doing it. I did this for years while restoring 18th century antiques with tortoise shell and brass inlays. Its the only way to do precise work quickly with the exception of water jet

Last edited by spacytracy; 03-18-2015 at 03:17 PM. Reason: additional info
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Old 03-18-2015, 07:04 PM
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Quote:
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If you glue the sheet metal down to 1/4 or 1/2 inch plywood with contact cement, you can cut with an electric jig saw. This will give you stability and with ultra fine blades you can cut the tightest detail that you want.
Double side tape also works well for connecting the metal to base.

Bogie
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Old 03-18-2015, 07:43 PM
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How thick are you cutting? If you are embossing you should be using .090 to .125 thick material as your pattern. Aluminum sheet will work fine and that can be cut off hand with a jigsaw very easily. It doesn't have to be glued to anything.
A decent jigsaw is going to be well worth the money if you are doing a lot of this work.
Mark
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