I got a replacement flap for a dog door that is made from recycled tire rubber. Damned thing is out-of-spec, a little too long for the dog door, bottom drags over aluminum frame, makes it very hard for ancient doggie to go thru door.
I figure I need to trim about 1/8 " off the bottom of the flap, which is
5/16" thick. Any idea of a good way (tool or ) to get it done?Thx, P
"Law Without Equity Is No Law At All. It Is A Form Of Jungle Rule."
...
I'd try it on the bandsaw as first go, likely...
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a metal straight edge and a razor knife
And dipping the knife in water will make a world of difference.
Jim
I made some rubber dog 'tags' once... to go between metal ones for noise abatement. I had a sheet of scrap about 1/8" thick that had fabric within, but other than that I have no clue as to what type of rubber it was.
I roughed them out with sheet metal shears, and they looked awful. Then on a hunch, tried cleaning one up with the bench grinder... it worked wonderfully!
As always YMMV, use caution and good judgment. Mark your cut line/s in advance and go slow. You don't even want to think about getting the rubber jammed between the wheel and tool rest. If like mine, the wheel will cut effortlessly, like a hot knife through butter...
BTW, the rubber 'tags' work great, eliminating well over 90% of the clanging/clattering.
Good Luck! Let us know how it goes...
Erik
wet sharp knife. Wet with soapy water makes it easier
On 10/26/2011 6:36 PM, snipped-for-privacy@snyder.on.ca wrote: ...
At the thickness given, that'll take a while--I'm into quick 'n easy...
Remember, tough tire rubber, at least 5/16" thick. Might go 3/8.
Razor knife? How about a barber's straight razor?
P"Law Without Equity Is No Law At All. It Is A Form Of Jungle Rule."
Alternately, try a jigsaw if you don't have a bandsaw? Clamp flap to scrap of plywood for stability while cutting?
nate
Yeah, because EVERYONE has a band saw just sitting around.
(rolling eyes)
Have you tried cutting tire sidewalls or conveyor belting with a well soaped utility knife??? Just like buttah!!!
Should... :)
Or, if not, here's the "need"; everybody _does_ need/deserve another toy.
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Uh, it should work, but why ruin a straight razor to cut a bit of rubber when there are so many alternate methods available?
and so on
Why waste time? Just use your chop saw and be done with it. You do have a chop saw? I do.
te:
How about just getting out your utility knife (which you can keep a shape blade in), spray the rubber with soapy water, cut it, and be done with it.
Which one, the slider or non? :)
Razor knife and a straightedge. Make several light passes; it'll take you all of about a minute or two.
Jon
Less time than it'll take to read all the replies to the question, too :-)
Chop saw? Isn't that a bandsaw that butchers use?
A fresh blade in a utility knife and some soapy water.
Nice and slow. And tricky b/c there's an embedded magnet very close to the edge. Still, easier than I thought. :-)
Many thanks, P
"Law Without Equity Is No Law At All. It Is A Form Of Jungle Rule."
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