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| Home-made drum sander raise and lower mechanism http://w-ww.luthiersforum.com/forum/viewtopic.php?f=10101&t=26176 |
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| Author: | John Hale [ Sun Feb 21, 2010 10:44 am ] |
| Post subject: | Home-made drum sander raise and lower mechanism |
I'm just wondering how people did the bit where the threaded rod meets the underside of the table. So far I intend to glue and screw a metal bar to the bottom of the table and have a countersink, using a 1/2" round nosed end mill, in the centre of the bar and a radiused end to the threaded rod |
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| Author: | TonyKarol [ Sun Feb 21, 2010 11:01 am ] |
| Post subject: | Re: Home-made drum sander raise and lower mechanism |
Mine is pretty simple .. peaned a nut onto the top end of the rod, then the nut sits in a piece of aluminum that has a slot the same size as the nut, capturing and preventing it form turning ... |
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| Author: | Chris Paulick [ Sun Feb 21, 2010 11:06 am ] |
| Post subject: | Re: Home-made drum sander raise and lower mechanism |
John, Check out this Thickness Sander plan. http://search.store.yahoo.net/cgi-bin/n ... earch.html |
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| Author: | Doug Sawyer [ Sun Feb 21, 2010 11:16 am ] |
| Post subject: | Re: Home-made drum sander raise and lower mechanism |
I just drilled a 1/4 inch deep hole in the underside of the table where the threaded rod meets it and glued a nickle in the hole. It has lasted for the last three years. |
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| Author: | Chris Paulick [ Sun Feb 21, 2010 11:30 am ] |
| Post subject: | Re: Home-made drum sander raise and lower mechanism |
That link plan also has a nice belt bed too. For $10 and instant download it's worth a look as there are some good ideas in it. |
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| Author: | John Hale [ Sun Feb 21, 2010 5:47 pm ] |
| Post subject: | Re: Home-made drum sander raise and lower mechanism |
cheers chris have that article, will probably carry on with my original idea and alter it if need be |
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| Author: | mtracz [ Mon Feb 22, 2010 12:52 pm ] |
| Post subject: | Re: Home-made drum sander raise and lower mechanism |
John, I rounded over the end of the threaded rod and screwed a square block with a washer glued into a countersunk hole, which you cannot see (sorry). The rod spins in the center of the washer. The table is two sheets of 3/4" ply glued and screwed together and it seems pretty stiff.   Seems to work just fine. Although it squeaks when I crank it up and down...can't win 'em all. Hope this helps. _Mike |
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| Author: | John Hale [ Tue Feb 23, 2010 4:06 am ] |
| Post subject: | Re: Home-made drum sander raise and lower mechanism |
Well I've actually sanded with it, but you risk your own life using it! 1. No on and off switch only the plug 2. The motor is resting on the floor and you have to hold it down with you foot other wise the belt slips 3. No guards I did catch myself though expecting this I never got too close and there's no blood But it took the wood down evenly until the paper stretched a little and paper backed abrasive looks good enough, so tomorrow I guess it's mount the motor and make a tensioner, then make a guard/dust removal and find a suitable switch.  An overall view  Rise and fall mechanism yet to fit the stop in case of vibration moving the studding/threaded rod  The on off switch Yeah dust extraction stuff to come |
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