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Old tablesaw

3/26/15       
Mike

This is the tablesaw we have at work. There isn't a motor cover and there isn't a typical 4" dust collection port, just some small hole out the side. Does anyone have any ideas on hoW i can turn this into having a 4" dust port. The only thing I can think of is to cut a hole in the back, add a plastic 4" plate with has 4" port in it and screw it to the back side of saw. Then make a motor cover out of wood and use self tapping screws to attach


View higher quality, full size image (3264 X 2448)


View higher quality, full size image (3264 X 2448)


View higher quality, full size image (3264 X 2448)

3/26/15       #2: Old tablesaw ...
David R Sochar Member

You have it right. It has been done hundreds, if not thousands of times on those old Unisaws. Dust collection is still a bit less that the best with all the openings that cannot be closed up, but it's far better than none. We still use a stick in the throat plate to help clean out the dust at the end of the day or after a lot of use.

Make sure the motor tilts are accommodated at all heights and angles. Put a slope on the lower floor of the motor cover to help run sawdust into the cabinet instead of piling up, limiting motor/arbor movement, and make the whole thing easy to remove for cleaning or service.

This also would be a good time to integrate shelves and/or cubbies for cross slides, blades, tools, push sticks and throat plates - all those things that are needed for the saw.

3/26/15       #3: Old tablesaw ...
EDDIE

The Small port is actually the power cord hole.
On our powermatic 66. We made a sheet metal cover over the motor. Four screws hold it on. Simple to take off and blow out.
For the vac hose connection. We added a wood block with two screws sticking out. 8' square centered on the 4" hole. These two screws hold a toilet flange that is attached to the vac hose. It makes for a quick disconnect. helpful if you need to move the saw around. Put a blast gate behind the flange.

3/26/15       #4: Old tablesaw ...
Mike

Thx guys. Can u guys post pics of what u did?

3/27/15       #5: Old tablesaw ...
Kevin Jenness

I used to have a Unisaw for which I rigged up a dust chute attached to the dust deflector just behind the blade. It was nothing more than a piece of sheet metal bent into a 'u' shape with a plywood collar that accepted a 3" flexhose tying into the dust collector through a hole cut in the cabinet side. Crude, but effective- It captured a good 90-95% of the dust coming off the blade and I only had to empty the cabinet base every few months. In dust collection, the closer to the source your pickup point is, the better. You can seal up your saw cabinet all you want but once the dust disperses inside it your collection efficency is limited.

3/28/15       #6: Old tablesaw ...
Duster

If you do make an enclosure for the motor, leave some extra room for ventilation and make it easy to remove so you can blow out the motor occasionally. Totally enclosed fan cooled motors need some room to breathe. I built an enclosure for one of my saws that worked well from a dust collection standpoint, but the ventilation for the motor was lacking and it overheated to point it had to be rebuilt.


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