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Thread: Getting my dust extraction setup
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14th July 2019, 04:51 PM #1Member
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Getting my dust extraction setup
Hi Everyone, I’m just getting started on the dust extraction in my shed, probably a dumb question, but what is the best way to connect 100mm pipe to my bandsaw, it has 2 ports that are about 90-95mm
Cheers
Andrew
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14th July 2019, 07:06 PM #2.
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Grab a beer or a coffee and read through this thread for ideas.
Improving machine cabinet dust ports
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14th July 2019, 10:57 PM #3Senior Member
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My 18" bandsaw had so called 4" outlets.
Here I have removed the outlet and am cutting to just under the size of a 4" BMH. I have left 4 tabs to screw onto as shown in second photo.
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15th July 2019, 09:16 PM #4Member
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That certainly gave me some ideas thanks Bob, I’m not sure if I have room to put a port in there on the bandsaw Flintlock, I will need to get the tape measure out and see what I can work out.
I might have to try and make some Bell Mouths with MDF and a round over bit as I don’t have access to a lathe.
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16th July 2019, 03:48 PM #5SENIOR MEMBER
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This is how i've made my bell mouths, it doesn't have to be perfect, just needs to reduce turbulence as air enters the duct, you'll also need to consider how much air can be physically drawn into your bandsaw, as what comes in is what comes out. So either consider adding additional "inlets" in the bandcase case or add additional ducts elsewhere. I choose to add an overhead duct rather than drilling holes into bandsaw.
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16th July 2019, 07:32 PM #6Senior Member
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Bandsaw9.jpg
This is the vent I put in the bottom door to allow good airflow.
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16th July 2019, 10:22 PM #7Member
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My Bandsaw currently has 2 ports on it
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17th July 2019, 01:25 PM #8Member
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There’s plenty of room in the door to add a vent like yours Flintlock
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17th July 2019, 03:35 PM #9.
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[QUOTE=AndrewK01;2148782]My Bandsaw currently has 2 ports on it
/QUOTE]
Those ports are the same as mine.
Step one: remove the cross hair filter from the lower post - those cross cars reduce air flow by some 20%.
Step two: The higher up port does next to nothing - you can keep using it provided you also . . .
Step 3: Add under table extraction eg something like this
IMG_1919.jpg
Step 4: put a vent in the door so air and dust can escape the lower cabinet - something like this
BSDport.jpg
Step 5: Reverse the throat plate so the slot is behind the blade.
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17th July 2019, 08:39 PM #10Senior Member
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I have made the offer before on this forum to NZ members, if you want some BMH's PM me.
Ian
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22nd July 2019, 12:45 PM #11Senior Member
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Andrew, can you clear your inbox. I have tried to send 2 messages but it says you have exceeded your inbox limit.
cheers Ian
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22nd July 2019, 02:27 PM #12Member
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Yes I have done, strange there was only a few messages in it.
All of my 150mm 45’s and 90’s arrived today, so I have most of the parts I need.
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15th August 2019, 01:07 PM #13Member
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I was going to run my system with a DC7, is it worth going to a Taiwanese 3hp 3ph unit with a 13” impeller ?
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15th August 2019, 04:10 PM #14.
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Yes it is - especially if you can implement a VFD to enable you to spin the 3P motor At 60Hz.
If you have 3P power you will need a 3P to 3P VFD
If you only have 240V you will need a 240V to 3P VFD and the motor must be able to be converted to what is called a 240V DELTA (∆) connection.
here's my WIP on doing this.
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15th August 2019, 06:43 PM #15Member
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I had 3 phase run to my shed when we built it, it was quite reasonable to have it hooked up as we already had the cable running from the road to the meter box, I will look into. VFD
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