The Woodshop Shed

My Simple CNC Vacuum Table

Furnished content.
(from WoodNet.net)


Not much enthusiasm here for CNC stuff, but I'll kill a few electrons anyway to show the few who do have an interest with the vacuum table prototype I made.



It's 20 x 30 inches, and made for cheap plywood. The grid pattern is 1 x 1", 3/16" deep. The foam tape is just 1/4 x 1/4" weather stripping.The hole is the port for my Fein shopvac. It's amazing how much holding force this thing generates. I absolutely cannot move a piece of stock that covers the top. That might give those doing router, carving, etc work an idea on how they might hold their projects for unfettered access.

The gasket is what seals the workpiece to the table. For smaller work pieces, you install a gasket such that the workpiece covers the gasketed area.



This 10 x 10" piece also is held so tightly that I can't move it. My Fein vacuum generates about 3 psi of pressure, which means 300 lbs of force on that 10 x 10" area. No wonder I can't move it.



There is a size, however, where the surface area is so small that the holding force won't be enough to resist the cutting forces of the CNC bit. For those parts, I'll have to use my prior methods of clamps or tape and CA glue. I'm going to use this for awhile to see how well it fits my needs. If it works as well as I hope, I'll make one, or two or three that sit side by side, to cover the entire top of my CNC.

John

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Hickory Wood Filler

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"If it were not for bad luck, I wouldn't have any luck at all." A brand-new flush trim bit lost about a fourth of the carbide, a pattern slipped, tear-out, and the list goes on. I've only used "stainable" filler before.

The hickory dining table will not be stained; what wood filler do you recommend?

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Latest Project - Small TV Console

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I just finished this small TV console for my daughter (she needed/asked for it for her apartment).

Dimensions: 53L x 15D x 24H
Case, Base and Top: Afromosia
Door and End Panels: Black Limba

The case work was a bit trickier that I had anticipated - but got thru it. Also, took a bit of tweaking to get the sliding doors just right - not too loose; but not too tight (they needed to slide with ease, but not like a race track!). I also incorporated a floating top for the piece which I folded back on itself (i.e., bookmatched) from 8/4 stock. I have really come to like working with Afromosia - some call it the poor man's Teak (although it isn't that inexpensive - but clearly not a pricey as Teak). Easy to work with, very stable and finishes nicely. The Black Limba panels add a little character.

Now I just have to figure out how to get the dang thing to NY! (I live in the SF Bay Area).


  mem tv console 00r.JPG (Size: 293.17 KB / Downloads: 160)


  mem tv console 01r.JPG (Size: 295.82 KB / Downloads: 160)


  mem tv console 02r.JPG (Size: 305.97 KB / Downloads: 160)


  mem tv console 04r.JPG (Size: 286.8 KB / Downloads: 160)

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computer drawing programs

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I am looking for a SIMPLE furniture design computer program. A free2D program would be great.

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