Skate rail grinding question
I have my "skake" rail grinder set up and am trying to bevel some 3/16" x1.5" cold rolled steel. It worked fine on one side but when I flipped it over to do the other edge, the grindewr wheel appears to have "glazed" and isn't cutting any more. Should I be using a more coarse wheel? Here is my setup... https://scontent-b-atl.xx.fbcdn.net/...24563162_n.jpg
I am using a Dewalt 3402 grind wheel. Dewalt https://www.google.com/search?q=dt34...m=122&ie=UTF-8 |
See here, read all the way to the end...
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Quote:
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Sandpaper's the duck's nuts
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Sanding disk, then "tip-the-skate" to prevent glazing.
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About all I see here are "flap disks", is this what you mean?
Thanks http://www.ebay.com/sch/i.html?_saca...g+disck&_rdc=1 |
I am at the same stage myself of being ready to cut/bevel my rails. Unfortunately I can't seem to find what I need. If someone could point out something on amazon.com, that would be perfect. Both for the cutter and the grinder/sandpaper disk.
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Just use sandpaper made for grinder sized disks. 4" diameter paper with a center hole should be in the hardware store. here's an example http://www.screwfix.com/p/alox-fibre...ck-of-10/41299
Put the sandpaper on top of a grinding disk to support it. Do light passes with heavy grit sandpaper to take off bulk of steel, then go through progressively milder grits. Flap disks have a bevel of their own that may make it difficult to figure the correct angle. I use flap disks for cleaning up steel and sometimes cleaning up welds. |
Looks like I need to make another kit!!
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I like Spiders not Skates
Mike did you get my order for the spider?
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Yep - Shipping tomorrow .
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Ok,
I bought a cheap $2.99 disc backer from Harbor Freight and a pack of their 36grit, resin coated 4 1/2" sanding disks. The unit chucked right onto my dewalt grinder pretty as you please and I have already beveled 72' of rail (144' of bevel) and am still using the first sanding disk. It's alot better quality than I expected for sure. I have 24' of v groove to go then I'll switch back to a grinding disk and hone them a little more. I already have the drill press tuned and ready to drill the mounting holes. Thanks for the tip guys! |
....Told ya'll :0
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