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#1
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Tool for Routing Thin Plastic Shell?
I need to precise route cut into a plastic shell. The plastic is ABS and
is about 3/8" thick. I need my route to just barely penetrate the shell, or just barely fall short of penetrating so I can finish off the cut by hand. The key thing is we don't want to cut up the objects that are behind the shell (batteries). What portable handheld tools would let me dial in the depth of a route to 1/32" precision? The width of the route channel doesn't matter for this application. -- W |
#2
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Tool for Routing Thin Plastic Shell?
On Fri, 18 Jun 2010 01:03:42 -0700, "W"
wrote: What portable handheld tools would let me dial in the depth of a route to 1/32" precision? The width of the route channel doesn't matter for this application. Is the plastic shell completely flat or rounded? If it's not completely flat, then you've got some difficulties. You could use a Dremel type tool and grind it away. The problem with using any router type tool is that using it handheld, you're not going to be as accurate as you want and face the possibility of your hand slipping and cutting right through the shell. My best advice would be the Dremel and you sneaking up on the depth you want to cut to. |
#3
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Tool for Routing Thin Plastic Shell?
On 18 June, 09:13, Upscale wrote:
You could use a Dremel type tool and grind it away. The problem with using any router type tool is that using it handheld, you're not going to be as accurate as you want and face the possibility of your hand slipping and cutting right through the shell. Dremel sell a "tile cutting" jig that's a small support collar for use as a router. It's a very useful gadget. I'd do through cuts, as these are easier to cut (no worries from the bottom) and in particular they reduce the heat generated when cutting, thus avoiding some of the swarf-welding trouble. Leave "postage stamp" joiners in the cut-line, until you're ready to break it all free. |
#4
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Tool for Routing Thin Plastic Shell?
W wrote:
I need to precise route cut into a plastic shell. The plastic is ABS and is about 3/8" thick. I need my route to just barely penetrate the shell, or just barely fall short of penetrating so I can finish off the cut by hand. The key thing is we don't want to cut up the objects that are behind the shell (batteries). What portable handheld tools would let me dial in the depth of a route to 1/32" precision? The width of the route channel doesn't matter for this application. Laminate trimmer? http://www.harborfreight.com/1-4-qua...ter-44914.html I've got one. They take standard 1/4" router bits and I've used it for a number of free-hand projects. Your trick might be finding the correct bit for your application. |
#5
Posted to rec.woodworking
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Tool for Routing Thin Plastic Shell?
On 6/18/2010 4:03 AM, W wrote:
I need to precise route cut into a plastic shell. The plastic is ABS and is about 3/8" thick. I need my route to just barely penetrate the shell, or just barely fall short of penetrating so I can finish off the cut by hand. The key thing is we don't want to cut up the objects that are behind the shell (batteries). What portable handheld tools would let me dial in the depth of a route to 1/32" precision? The width of the route channel doesn't matter for this application. Have you considered a hot knife? Melts the plastic and doesn't need a sharp edge so won't cut into the batteries unless they are plastic. You can get a kit for under 20 bucks from Sears or get the cheapest soldering iron you can find and pound the tip flat with a hammer. You can control the depth by grinding or filing the tip to the shape you need. |
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