Lance or anyone else with this jig,
I just got my Luthiers Friend/Robo Sander today. Seems pretty neat...one question... what are the two holes on the left side for?
THANKS FOLKS
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| Author: | Dave-SKG [ Wed Apr 27, 2005 9:36 am ] |
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Lance or anyone else with this jig, I just got my Luthiers Friend/Robo Sander today. Seems pretty neat...one question... what are the two holes on the left side for?
THANKS FOLKS |
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| Author: | tl507362 [ Wed Apr 27, 2005 9:38 am ] |
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I have one too, but haven't used it yet. Don't know what the holes are for. Sorry 
Tracy |
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| Author: | Scott Thompson [ Wed Apr 27, 2005 2:32 pm ] |
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I just got it, also. I assumed the large one was for bolting it down or hanging it on the wall. The small one is for storing the robo-sander attachment. I'm actually kind of dissapointed with the sanding drum. It has runout of about 1/16 inch. It seems to be from a combination of a crooked bolt and unround rubber drums. Anyone else have this problem?
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| Author: | LanceK [ Wed Apr 27, 2005 10:23 pm ] |
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[QUOTE=Scott Thompson] I just got it, also. I assumed the large one was for bolting it down or hanging it on the wall. The small one is for storing the robo-sander attachment. I'm actually kind of dissapointed with the sanding drum. It has runout of about 1/16 inch. It seems to be from a combination of a crooked bolt and unround rubber drums. Anyone else have this problem?
[/QUOTE] Scott- Have you spoken to Ken about this? Mine does not have that problem. |
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| Author: | Brock Poling [ Thu Apr 28, 2005 12:41 am ] |
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[QUOTE=Scott Thompson] I just got it, also. I assumed the large one was for bolting it down or hanging it on the wall. The small one is for storing the robo-sander attachment. I'm actually kind of dissapointed with the sanding drum. It has runout of about 1/16 inch. It seems to be from a combination of a crooked bolt and unround rubber drums. Anyone else have this problem?
[/QUOTE] Are you sure the run out is not from your drill press? |
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| Author: | JeremyC [ Thu Apr 28, 2005 12:51 am ] |
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Hey guys, Don’t mean to highjack the topic here but… If I’m correct in my assumption (that the “luthiers friend/robosander” gets chucked into your drill press) then is there any concern with premature wear on the drill press bearings? Sure normal up and down drilling motion wouldn’t be of any bearing concern but what about the side load due to pressure against the drum? Thanks, Jeremy |
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| Author: | Dave-SKG [ Thu Apr 28, 2005 1:53 am ] |
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Good Point Jeremy. I am using mine in a low cost Delta table top drill press...so for the moment not too worried about the bearings. I suppose when it messes up one of my pieces I will be  
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| Author: | Michael Dale Payne [ Thu Apr 28, 2005 1:56 am ] |
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Don't try to hog off a bunch at a time the side load won't be extrem. This not intended to be a heavy duty sander/shaper. But it is a great tool for small jobs like thichnessing bindings, bridges and such. I built my own but bought Robo drums for it and my run out is very very minumal if not non existant. but I don't try to hog material. |
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| Author: | Scott Thompson [ Thu Apr 28, 2005 4:19 am ] |
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[QUOTE=JeremyC] Hey guys, Don’t mean to highjack the topic here but… If I’m correct in my assumption (that the “luthiers friend/robosander” gets chucked into your drill press) then is there any concern with premature wear on the drill press bearings? Sure normal up and down drilling motion wouldn’t be of any bearing concern but what about the side load due to pressure against the drum? [/QUOTE] One thing that minimizes that risk is that the bearing at the bottom of the drum is supported by the recess in the table. That coupled with not having the quill extended any farther than necessary puts minimum sideways pressure on the quill. etc for light duty sanding. |
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| Author: | Scott Thompson [ Thu Apr 28, 2005 4:21 am ] |
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[QUOTE=Brock Poling] Are you sure the run out is not from your drill press? [/QUOTE] Nope, Drill press runnout is about .005 I'm going to talk to Ken today. |
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| Author: | Scott Thompson [ Thu Apr 28, 2005 12:34 pm ] |
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Well ,I figured out that two of the three rubber cylinders, the top and the bottom one, were slightly out of round. They were turned so the top one had the high spot on the opposite side than the high spot on the bottom one. This caused the abrasive sleeve to sit skewed. Rearranging the order of the three cylinders and turning the two so the high spots were on the same side solved the problem. Once they were compressed inside the sleeve they trued up. Ken got back to me right away and offered to send me a new drum and would have called me on his dime if I had given him my phone number correctly
The one thing I'm not real thrilled with is the bottom nut on the drum. The thickness of the table doesn't give much leeway and if not very careful, as I wasn't, the nut or protruding bolt will rub on your drill press table. I think I'll head to the hardware store and see if I can find a better setup for this. |
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| Author: | EricKeller [ Fri Apr 29, 2005 1:00 am ] |
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I'd be more worried about the Jacob's taper letting lose than the bearings. There has to be a bearing in there that will take a radial load. Seeing as how I've had the chuck fall off of my drill press, I'm not too worried about it. It was a pretty annoying thing since I had to figure out how to get it to stick back on, but it doesn't carry a lot of energy, so it doesn't do much damage. Of course, YMMV, and things going wrong have a way of doing more damage than they should be able to do. |
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