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  • shop vac

    Has anyone found a good way to hook up a shop vac to a hegner saw
    Hegner

  • #2
    Somewhere online is a pvc piping system somebody rigged up for dust collection on a dewalt that looked pretty neat, and Im sure it would work great no matter what color your saw is. If I find that , ill post it here. I do think it was on this forum. Dale
    Dale w/ yella saws

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    • #3
      thank u

      thank you i wait till u find it . I read in here you have to ground your saw and shop vac hook u i never herd any of that till now . This form has so much for me to learn this is a great site just want to thank you and all the other menbers for all the help

      thanks again The Indiana saw man
      Hegner

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      • #4
        That does make sense to ground the two together, the static build up when the dust flies through the hose is quite high.
        I had never thought of it either
        CAЯL HIRD-RUTTEЯ
        "proud member of the best scroll sawing forum on the net."
        Ryobi SC180VS scroll saw EX21

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        • #5
          I've attached a diagram which describes how the dust extraction system works on my Hegner. I hope you find it useful.

          Gill
          Attached Files
          There is no opinion, however absurd, which men will not readily embrace as soon as they can be brought to the conviction that it is readily adopted.
          (Schopenhauer, Die Kunst Recht zu Behalten)

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          • #6
            I'm a little confused....I'm having trouble seeing what is on top of the saw table and what is on the bottom...I'm definately interested!!!

            Have you replaced the dust blower with a small vaccuum nozzle?

            I'm sorry, I need more details! I love the design...is it your own concept?

            Bob
            www.GrobetUSA.com

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            • #7
              Hi Bob

              The attachment on my previous post is a diagram that was supplied by Hegner with my saw when I bought it. I added some of my own instructions in an attempt to describe how to set it up. When I go out to my shop later, I'll take a photo which will hopefully make everything clearer.

              Gill
              There is no opinion, however absurd, which men will not readily embrace as soon as they can be brought to the conviction that it is readily adopted.
              (Schopenhauer, Die Kunst Recht zu Behalten)

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              • #8
                The first attachment shows the conventional set up, using the bellows on the Hegner to blow dust away.

                The second shows the pipe removed from the bellows and inserted into the conical fitting at the front of the saw. Notice that the guard on the lower arm has been lowered so that when the vacuum is operated it will be sucked against the cone and provide an airtight seal.

                The third attachment shows the arrangement in the second attachment viewed from the front.

                You might be able to tell from the amount of dust surrounding my machine that I rarely hook up my shop vac !

                Incidentally, I've been told that you can save money on vac bags if you feed the suction tube from your vac into the top of an airtight bin (such as a brewers fermentation bin) and a second tube from that bin to your machine. The debris is supposed to fall into the bin before it reaches the vac. I've never tried it myself, though.

                Gill
                Attached Files
                There is no opinion, however absurd, which men will not readily embrace as soon as they can be brought to the conviction that it is readily adopted.
                (Schopenhauer, Die Kunst Recht zu Behalten)

                Comment


                • #9
                  I'm trying to work out a similar hookup for my shopsmith...My wife and I combined or basement area (part for my woodworking, part of her scrapbooking) and I'm doing everything in my power to head off the sawdust at the source. I've already fashioned a downdraft table for sanding and power carving...but the scroll saw had me stumped...but this is genuis!

                  Bob
                  www.GrobetUSA.com

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                  • #10
                    Here is a picture of the dust collection system I use. I have used a similar system on a Hegner and on my Delta P20.
                    Attached Files
                    Bob from Northwest Florida

                    Delta P20

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                    • #11
                      Hi Beemerbob;
                      I can appreciate you putting that elaborate arrangement on a Hegner or a DeWalt. But I am curious why you would need it on your P-20 when they have such an efficient dust port already installed as standard equipment on the saw. Mine collects well over 95% of dust created when sawing with the port hooked to my Dust collector. It draws it down through the hole in the insert in the top except just a little bit that is blown right off the top from the adjustable air hose blower that can be positioned to blow it off to the side without any coming near me.
                      I have only heard one complaint about the built in dust port in a P-20 . He said it made too much of a sucking noise. Well, DUH ! ! , if it is making a sucking noise it is indeed sucking the way it should to collect the dust.
                      I have mine hooked to my DC which is fairly quiet and in another room. But if someone had it hooked to a Shop vac the sucking sound would be nothing compared to the sound of a shop vac even though a shop vac would suck even more dust than a DC would..
                      W.Y.

                      Last edited by William Young (SE BC); 11-02-2006, 05:24 PM.
                      http://www.picturetrail.com/willyswoodcrafting

                      The task ahead of us is never as great as the power behind us

                      Delta P-20 Scroll Saw, 14" x 43" Craftex Wood Lathe and Jet 10" Mini Lathe .

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                      • #12
                        Bob D ;
                        I think what you were referring to is what is called a DC pre-separator to keep your shop vac from filling up so fast.
                        Although this is a larger unit I made and is hooked to my 2 HP DC rather than a shop vac , it can be modified to be used for either one. I tried the garbage can lid pre-separators and they are not worth their money so I made this one .

                        If this is off topic for a scrollsaw site and you want more information on how to make one and the purpose of the raised dome on top etc feel free to PM me
                        There have been a lot of discussions on this sort of thing on the various general woodworking sites. I took ideas from different places and made this one that I call my poor man's cyclone pre-separator. There is more design to it than what meets the eye.
                        I empty the lower bag on my DC about twice a year compared to emptying that plastic 50 gallon drum many dozens of times a year because that system is hooked to my planer ,jointer, sanders, bandsaw , table saw, sanding downdraft table, and everything else that creates dust.
                        W.Y.
                        Last edited by William Young (SE BC); 11-02-2006, 08:03 PM.
                        http://www.picturetrail.com/willyswoodcrafting

                        The task ahead of us is never as great as the power behind us

                        Delta P-20 Scroll Saw, 14" x 43" Craftex Wood Lathe and Jet 10" Mini Lathe .

                        Comment


                        • #13
                          Those are some inventive looking designs. It sure is true about grounding your vac system...I have wires through my dust collector..the bare copper wire runs through the piping and then grounds to an outlet which is grounded to a ground rod in the earth. Static build up is possible without a ground, but more likely you could suck in a spark from the blade hitting metal or silica in the wood. The first explosion won't kill you, it's the second explosion..when all the dust sitting on shelfs and what not gets kicked up in the air..that's what kills you.
                          As far as the secondary container goes, it does catch debri, but not dust. I have one that I use for my planer, it catches most of the shavings before they get to the dust collector, but dust is not heavy, so much of it will get sucked right past. Either way, I would think it would take quite a while to fill a shop vac with saw dust from a scroll saw anyhow.
                          Jeff Powell

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                          • #14
                            Hey BeemerBob,

                            Interesting setup. It looks to me like you don't use the blower and instead you are sucking the dust up. I think I have it figured out except how you clamp it to the table top. What type of tubing do you have hooked to the PVC that fits the port on the saw? Also, how much noise does a small shop vac such as yours make?

                            Thanks for sharing the photo.
                            Mike

                            Making sawdust with a Dremel 1680.
                            www.picturetrail.com/naturephotos

                            Comment


                            • #15
                              Shop Vac

                              Originally posted by beemerbob
                              Here is a picture of the dust collection system I use. I have used a similar system on a Hegner and on my Delta P20.
                              THANK YOU FOR THE PICTURE OF YOUR SHOP VAC HOOK UP . Does your clamp ever get in your way ? and would you know wich type of shop vac is the quitest?


                              Thank you again the Indian saw man
                              Hegner

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