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  1. #61
    Join Date
    Aug 2007
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    Saskatoon, SK, Canada.
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    1,436

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    "Cant see how the smoke test would set off the blade."

    We know the smoke won't set it off but waving your hand around near a running blade could, if your focus or attention is lost somehow.

    Pete

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  3. #62
    Join Date
    Apr 2019
    Location
    NSW
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    37
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    1,126

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    might need to do this video from a slightly higher angle but this was cutting a 450mm piece of 12mm MDF. you can see alot of the dust getting sucked into the intake. but also alot of other larger bits bouncing around.

    my phone which was on the outside of the saw body was clean when i started the video how ever it also had dust all over the screen when i picked it back up after recording. so i'm still getting a decent amount of dust leaving the the saw body.



    so do i:

    1. connect the 6" hose straight to the saw shroud and just try and catch all that i can around the blade.
    2. open the cross flow up more and see what i can actually pick up.
    3. tape off alot of the little holes around the saw and try and try and keep the air flow through alot of the bigger intakes.
    4. wait and see how it goes with a big gulp above the blade and a proper round over of the intakes
    5. a mix of the above?

  4. #63
    Join Date
    Feb 2006
    Location
    Perth
    Posts
    27,756

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    Looks pretty good to me
    I'd give 2, 3 & 4 a go.

  5. #64
    Join Date
    Apr 2019
    Location
    NSW
    Age
    37
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    1,126

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    few more baby steps. just starting to actually put the pipe work runs semi together. using a bit of vasoline to help drive them home before wrapping some tape on it.

    i've half hung the over head gulp. when cutting MDF you can see the dust swirling around it, while a good majority of it is going up the intake, a good portion is escaping. i currently have it approx 140mm off the table and 70mm from the top of the blade. i think lowering it to just above the blade will help capture some more of the dust. i'm thinking of just putting a piece of 100mm pvc in the flex pipe with two hose clamps. i can then slide the gulp up and down to what ever height i need it to be. Doing like this might also allow me to use it as a bit of a table top vacuum at the end of the day as well.

    after mostly reading bobs ducting thread with the fully enclosed blade guards i doubt i will ever get the full effectiveness out of just hanging the gulp over the blade.


  6. #65
    Join Date
    Apr 2019
    Location
    NSW
    Age
    37
    Posts
    1,126

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    so the saga continues.

    i still haven't got very far with this, but i also havent been doing tons of cutting.

    i mentioned this a few pages back that i'm getting some large chunks out the front of the saw, coming from the winding mechanism. I still believe this is because i'm not getting enough vaccuum around the actual blade shroud and so dust is exiting the saw. I was actually going to consider putting some brushes over these holes as best i can just to see if i can't keep the the larger chips in the cabinet to get them to fall down to the base to actually get sucked up. Something coarse like this shouldn't impede the tilt mechanism but should help keep the larger chips in.

    Strip-Brush-Options-4mm-Nylon-fibre-Zincseal-back3.jpg

    20200522_151544_resized.jpg

    20200522_151554_resized.jpg

  7. #66
    Join Date
    Feb 2006
    Location
    Perth
    Posts
    27,756

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    Back in 2013 I used truck mug guard bristles (wheel whiskers) around my OH TS guard.
    see here
    Bristle Guard edges for dust collector hoods and guards
    Bristle Guard edges for dust collector hoods and guards-img_3535-jpg

    To improve the guard extraction eventually I changed to a different design but in your situation it should be fine.

    On my contractor saw I don't have anywhere near as big a slot at the front and as irarely use the tilt mechanism, in 2008 I filled most of the back section in with a piece of thin Al plate that can be removed if I need the tilt but since I have installed it I think I have used the tilt maybe 2/3 times.

  8. #67
    Join Date
    Dec 2003
    Location
    lower eyre peninsular
    Age
    74
    Posts
    3,577

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    bunnies sell those bristle type things in their screen door section.
    I would love to grow my own food, but I can not find bacon seeds

  9. #68
    Join Date
    Apr 2019
    Location
    NSW
    Age
    37
    Posts
    1,126

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    well long time between updates so its a big post

    not TON's have changed but got off bum and did a little bit last month during my annual leave. Had a bit of a garage tidy up and re-shuffle. I've started a couple of other threads about specific problems so will throw the links here with just a small blurb about whats happened.

    I've ended up adding 4 eco subfloor fans to my garage work shop. This was mainly to help with just keeping the whole area dry and to help a bit with Dust extraction. I've got them on timers so they only come on during the day (take advantage of our solar so cheap power) and 95% of my wood working is done between these hours. As per that thread I also vented the dryer out side which has probably helped a bit with moisture (and tool rust) as well.
    Subfloor eco fans for Dust extraction


    so since I last posted in this thread, I still had a 2HP Bayer dust extractor. I have since updated to a Laguna C Flux 3 laguna C flux/P flux extractors the only thing I still have to do with this is actually exhaust it out side properly, or at the very least aim it towards the eco fans at the rear of the house so its drawn away from where I work. So since installing the C flux I have re-run the pipe work slightly which goes along with a few bits I'll mention below. It's installed into an enclosure to help with dust and noise.











    so from the extraction fan thread this is kind of how it all looked






    This is how it is now:





    so a few of the big changes:

    1. Put up cupboards, and purchased two more tool chests. The extra storage is great plus everything isn't just out in the open collecting dust and rust. They're just cheap bunnings laundry cabinets and the tool chest are just no name brand ones from Dick Smith (cheapest I could find). I Also sealed the bench top and moved the Mill/Drill over, turned the vice and actually got my emblazer 2 laser cutter out and permanently setup (and vented outside, its the orange thing in the far corner). Part of the reason I rarely used the laser was I had to set it up some where awkwardly do the 1 job and then try and put it away. Being fully setup permanently just means it gets ALOT more use. I also put a few more over head shelfs in because I had the space and trying to keep a lot more stuff in plastic tubs.





    2. The Dust collection pipe work ran underneath the MFT style table to the rear of the Saw (couldn't find any pics of this) but I have since re-routed beside the MFT and added another Tee piece. this allows to me to connect a hose to either the thicknesser, planner or band saw over in this area. I've also added a permanent power lead over in this area for these machines and the bench grinder. This connection eventually will have a blast gate on it and will probably stay connected to the under side of the router table. Also finally hung the pipe work properly and sealed it up decently with duct tape. The screw cap on the end still allows me to connect up an extra hose should I want to move and use machinery there, like long boards through the thicknesser or the Mill/drill. Having the pipe come out this way also allows MUCH easier access to get at the C flux waste bin.




    3. Swapped routers from the Triton to an AEG one. the AEG allows for adjustment above the table, as I had the older style triton it doesn't come with this built it. router was on special for $125 at Bunnings. I intend to do a similar thing to BOBL and just chuck a plastic container over it with some bungie straps and bunnings appears to have the right sized container that I need, Just a matter of going and getting it. will drill a 4" hole in it and put and connect it up. Also added a drawer underneath to store the router fence and other bits and pieces. The fence has its own 4" dust port that I can connect to the flex hose that hangs above the TS blade.




    4. Re-jigged the TS extraction. So I originally had the pipe work going out the left side (tool bench side), then out the rear (under MFT) and its now under the router side of the table saw with a blast gate. The blast gate needs to be swapped out for a decent one as the cheap plastic one shakes and walks its self closed. But having it closed off there makes it easy to redirect the suction where it needs to go. I also silicon'd up a few of the smaller gaps and watching a youtube video... stuffed some rockwool insulation in between the table and the frame to seal it off. I have a feeling the saw was suffering a bit from "a death of 1000 cuts" where all the little losses where adding up. Just as an experiment I tried close a decent section of the rear off with Tape and i'm now getting FAR less chunks coming out the rear and onto the motor. You can really feel the air moving past the open areas now.








    I touched on this a few posts back but I really will get onto getting some brushes for the rear to help try and stop the big chunks making it out the back

    the next thing I did as a trail was to remove the shroud around the blade. Normally at the end of this shroud is where you would hook your dust collector up, but as I have enclosed the whole thing it was a bit useless in my mind and I think was blocking the DC from having a decent path to the intake. It seems to be going OK you can kind of see in this video where i'm ripping some 19mm merbau decking that most of the dust seems to make its way over the intake. I think i need to redo this test with smoke (or 4k/slow mo) to see whats really happening. I'm fairly happy with it soon i'll put out the intake, fully seal it up and round it over to get that little bit more efficiency out of it but after ripping a whole pile of wood there is basically nothing left in the bottom of the saw.









    where the TS dust extraction is letting me down is the over head dust extraction, with out a blade guard I get quite a bit of chunks flung forward which can only be bringing dust with it. I have on and off used the overhead pipe with just a 4" bell mouth on it which may help get some of that fine dust but doesn't do much for the chunks. It can just be a pain as it does block my view of piece going through the blade. You can also definitely hear a change in tone between just having the 6" to the cabinet base open to having the 6" base open and the 4" over head and I wonder how much air flow loss i'm copping by having both open considering the trunk lines are 6"

    After ripping the pile of wood (around 30 cuts) this is how much mess I have on the floor







    another compounding issue is the C flux not being exhausted properly means it sends all the air out front, you can feel it blowing air at you at the table saw so its definitely sending all wood chips and dust my way. So It's going to be my next top priority to get it exhausted properly. Just making sure the if I have a 6" intake, is 6" exhaust enough? surely it can't send out more then its sucking in, but I just don't want to restrict the performance further. But I needed to have some part open to let the air out and the access door for the waste bin has been it. I've actaually had it blow that piece of 16mm chip board over if you don't have it on a sharp enough angle so there is certainly some air moving out of it.








    5. I posted this in another thread somewhere, while it doesn't help prevent dust I've found one of the biggest helps in cleaning it up is now having a portable stick Vac, we upgraded our stick vac 6 months or so ago because the battery in this one was dying. So it made its way down to the shed but it was only recently I actually bothered to get another battery for it. few weeks ago actually spent the $30 and got a new battery for it and its been great ever since. It really does make cleaning during your work easy, as it always ready to go, just pick it up, pull the trigger and put it back down. My shop vac i would have to make sure is plugged in or in the right spot or not connected up to something. They are two different vacuums but I find I'm grabbing for the stick vac SOOOO much more now to just quickly clean up after what ever I'm doing compared to the small amount of effort of getting the shop vac setup. While you don't have to get a Dyson I can highly recommend a stick vac for picking up the larger messes.










    So i'm far more happy with the DC performance as a whole at the moment I find i'm getting less mess out of the TS which hopefully also means less fine dust floating around and the constant air movement with the exhaust fans should stop the fine stuff from settling too much. I just have to tidy up the c flux exhaust and get some brushes for the cabinet. It's a constant work in progress so hopefully some more updates sooner then this.

  10. #69
    Join Date
    Apr 2019
    Location
    NSW
    Age
    37
    Posts
    1,126

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    still very slowly trying to set all this up

    I've bought and AEG router to replace my triton, the main reason is of the the above table winding. Thought I better sort out the dust collection before I start using it and sending chips everwhere. So this is a bit of a trial setup but using both above and below table collection. Because i've had to use a bit of a custom mount to install the router there isn't really a big gap between the router bit and the mount so it shouldn't allow for much shavings to fall through. This may end up biting me if i'm routing grooves in a board where the bit isn't exposed to the top collection, so I'll either make the hole bigger or just drill multiple smaller holes.






    took some inspiration from @bobl and just used a bucket and an bunjie cord for the container. how ever i realised that once the bucket is raised up I don't actually need the cord, seems like the 4" hose is providing enough suction to hold it self there. Can see in the video below when the DC shuts down:




    so I guess from here i'll need to add some more air flow into the bucket, can either space it out off the bottom of the table or just drill a few decent sized holes.
    hook up a better bit of pipe work to the bucket as the current hose is just a transient piece I use at different parts all over the shop.
    hook up a better bit of pipe for the top collection, had to use a few left over bits to have the TS blade bit of reach.

    performance so far seems decent though:


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