WoodCentral Forums

Est. 1998 — 27 years of woodworking knowledge

OT-vacuum question

Posts

OT-vacuum question

#1

OT-vacuum question

DaveK

>I picked up a GAST vacuum pump a while back and got to fooling around with it after coming across an article in Woodwork magazine on some vac jigs. I just stuck the hose up through a dog hole, cut some close cell foam I had laying around a threw a board on it ,turned it on and went at it. What a deal. no clamps,no dogs, no holdfasts.

This would seem like a great advance for galloot'n. Is there somekind of sacred reason for not having more discussion about this. or is it strictly forbidden to use any electrons with handtools :)

Re: OT-vacuum question

#2

Jack Guzman from Maine

Re: OT-vacuum question

Jack Guzman from Maine

>That's an idea I've never heard before. "Vacuum Clamp".I think other people are going to try that after reading your post. I'd say it's ok to post something useful.You don't hear complaints about Tormek posts and that's definitely not a hand tool. of course,just my opinion---Jack

Re: OT-vacuum question

#3

thin strips hold down

bill tindall

>You just solved the age old problem of holding thin strips for planing.

Re: OT-vacuum question

#4

Re: thin strips hold down

DaveK

>I been doing some searching and I think if you want to hold thin strips you might want to use a gasket from a bicycle inner tube or something thin like that. It would be best to use small holes and narrow channels so you had good support. Hopefully somebody else will chime in. I'm just a learnin this :)

Re: OT-vacuum question

#5

Re: OT-vacuum question

Michael R

>I saw my first commercially made vacuum hold down for woodworking about 1972. A lot of CNC machinery uses them, but they never seemed to catch on with small shops. Of course, vacuum veneer clamps are very popular and work very well.

You might wnat to get a amall air tank or "watermelon" to act as a vacuum reservoir, and a ball valve to speed actuation. The rigs I saw used a block of plastic with grooves cut into it to hold closed cell foam that defined the clamping area.

Michael R

Re: OT-vacuum question

#6

Look on the turning board

Bob Hackett

>Turners have been using vac chucks for awhile now and you can probably pick up afew tips there as to backyard engineering and creative uses for this application.

Mainely,Bob

PS-The foam trays that meat is packed in at the supermarket make excellent gasket material.Just one tip I picked up from another turner.

Need a bigger piece?Craftfoam available at most craft stores works too.

👍 This page answered my questions

Your vote helps other woodworkers quickly find the answers and techniques that actually work in the shop.