May 19, 2019 at 1:00 am #100877
Been doing some more calculations on my torsion box design and I think I need to go quite a bit thicker with the table to get the stiffness I want. Is there any problem with just designing some taller Y plates and using longer tubes to accommodate a taller table?May 19, 2019 at 5:48 am #100889
Interesting. I wonder what @allted will say. I don’t have the mechanical mind, but it might make it stiffer?
Barry has a paulk bench and he just added rails to the side. You could do the same.
1 user thanked author for this post.May 19, 2019 at 10:35 am #100904
Taller should be fine, I think a rail might be an easier option and keeps the moving mass down as well.
1 user thanked author for this post.May 19, 2019 at 11:37 am #100924
How wide should the rail be?May 19, 2019 at 4:11 pm #100942
BarryParticipantMay 19, 2019 at 7:07 pm #100954
I need a wheel guide for accuracy so I guess if I routed a groove in two laminated strips of 3/4” mdf it should work. Doesn’t really seem easier than making a taller Y plate but it would be nice keeping the carriage lighter.May 19, 2019 at 9:43 pm #100962
I need a wheel guide for accuracy
It was my understanding that wasn’t necessary. What kind of inaccuracy are we talking about?May 19, 2019 at 10:31 pm #100967
It was my understanding that wasn’t necessary. What kind of inaccuracy are we talking about?
On my current small table I found that even after I tinkered with my wheels and got them perfectly parallel I would see some drift to one side when doing multiple passes back and forth. After enough passes it would use up the entire 1/4” gap with the table. This caused me problems especially cutting aluminum where the passes have to line up exactly. Routing some 1/8” deep grooves for the wheels resolved this. I don’t think the belt tension is sufficient to keep the carriage centered on the table otherwise. Other people have used closet door track but I found my solution easier and much cheaper… for some reason 20 feet of closet door track prices out to a lot around here.
1 user thanked author for this post.
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