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Radiator covers project,but some basic skills questions

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Forum topic by startingfromscratch posted 11-12-2009 01:14 AM 947 views 0 times favorited 1 reply Add to Favorites Watch
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startingfromscratch

69 posts in 2655 days


11-12-2009 01:14 AM

Hi everyone,

I’m building some radiator covers. A fairly simple design, the front is a 1×3 pine bipanel frame with two punched aluminum panel trimmed with some san modeling. The sides are glued up pine, as will the top be. I have about an inch vent cut on the front at the top and almost two inches cut out of the bottom. I’m using a biscuit cutter for the joints, screwing in the aluminum with self-tapping metal screws (the ones that look like they have a washer at the top) and a nail gun for the trim.

Couple of basics…I’m having some tearout cutting my 1×3s with my chopsaw. I took the blade off and tried to clean it up with some oven cleaner and a wire brush, but to no avail. Its a delta…is that a sign of a dull blade? Are chopsaw blades that come stock something that one would get sharpened or just replace?

For the vent and the bottom, I’m cutting a quarter circle out of the top and bottom corners. I tried using a jigsaw and after turning the blade speed down a bit and going pretty slow, I was able to cut a reasonably good quarter circle out. Is that what others would have done? I suppose a deep throated scroll saw would have done it, but I don’t own one. I own a used bandsaw…but I”m still learning how to tune it and the blade has quite a wobble and the cut looked pretty bad. Thoughts?

Thanks! I don’t have a ton of experience and am learning some basics as I go, well, with your help anyway!


1 reply so far

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Catspaw

236 posts in 3279 days


#1 posted 11-12-2009 04:18 AM

Dull blade. Probably not the best blade. Generally I decide whether or not to have blade sharpened based on how much it cost. I’m not going to sharpen a $20 blade.

Higher tooth count, cleaner cut. The one that comes with the saw is probably all purpose….better for framing a house at this point.

If you want a good circle (smallish…) you can use a hole cutter. Bore through a board, clamp the board on the piece, align the hole with the circle (or part of the circle) you want to cut, insert hole cutter through template to cut your arc. The less of a circle the more you’d probably need some support under the template where there is no wood from the piece being cut. Put another scrap under the whole mess to keep blowout on the back to a minimum.

BTW, screw with washer like head is called a trusshead. Our local brand is TEK so we call them tek screws too.

-- arborial reconfiguration specialist

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