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Results 16 to 19 of 19
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1st August 2013, 12:08 PM #16
Intermediate Member
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- Jan 2012
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- gull lake sask
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- 3
I built a drum sander awhile back and it was built out of 5" circle of MDF and they showed the band saw jig and it worked perfect
Al
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1st August 2013, 05:52 PM #17
SENIOR MEMBER
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- Nov 2010
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- Gippsland Victoria
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- 25
Her is how I would do it
Here is how I do it to ensure concentric circles with minimum bother
1. Rough cut the discs on the bandsaw or table saw or whatever you've got
2. Drill the 1" centre hole for the axle
3. Make a circle cutting jig for either the bandsaw or the router table or a template for a hand held router - whichever way you go use a 1" dowel as the pin
4. Use the jig to make the final circle
5. The 1" centre hole in all discs is guaranteed to be exactly in the centre of the final disc
6. If you havent got tablesaw bandsaw or router (and it sounds like a drum sander build) you might get away with gluing the rough cut discs to the axle and then using a big sandpaper plate to grind them all into a cylinder without going through the hassle of cutting all the individual discs - But big dust hazard this way - need to do it outside and with very good breathing protection.
BillLast edited by steamingbill; 1st August 2013 at 06:00 PM. Reason: added sandpaper note
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16th August 2013, 05:34 PM #18
New Member
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- Aug 2013
- Location
- Perth
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- 1
Cutting a circle in mdf
You could try this: An easy way to cut a circle in 3mm MDF - YouTube
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18th August 2013, 06:49 PM #19
Thanks for posting that method Age_jay and welcome to the forums.
Regards
PaulBushmiller;
"Power tends to corrupt. Absolute power corrupts, absolutely!"
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