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Table saw dust collection

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Project by leec posted 08-24-2016 04:27 PM 1335 views 11 times favorited 6 comments Add to Favorites Watch

I have a Craftsman 113 series contractor table saw, which has an open back with the motor hanging out. I’ve been trying to figure out the best way to close this off so that the dust collector chute I have on the bottom of the saw would work better.

All the solutions I’ve found online only seem to work with the blade at 90 degrees. They all say that to tilt the blade you need to remove the dust shield. The engineer in me figured there’d have to be a better way.

So, this 2-part system is what I’ve come up with. I cut it out of 1/4” MDF. One piece is stationary to the back of the saw – attached with 4 rare-earth magnets. The 2nd piece is attached to the part of the saw that tilts, using the 2 rods to which the motor mount is attached as the connection point.

Once I determined where the trunion pivot point was (where the saw blade exits the table), I took some measurements and laid it out in SketchUp. Not perfect, but I’ve closed off 80-90% of the hole.

That thin slot is clearance for the motor mount when the blade is at max height. I may have to account for that on the stationary piece when the blade is both tilted and at max height. I’ll wait and see.

-- Lee, Framingham, MA





6 comments so far

View Chapboat03's profile

Chapboat03

11 posts in 638 days


#1 posted 08-24-2016 06:41 PM

Nice work. I have put together one for my Jet that is part luan and part cardboard. Works well at 90 but I need to do some R&D on it to rebuild a better one.

View fivecodys's profile

fivecodys

581 posts in 1098 days


#2 posted 08-24-2016 07:46 PM

I like this.
I have been fooling around with different configurations for years now and I could never come up with anything that would work well.
You may have solved the problem for me.
Thank for sharing your idea with us.

-- Chem, Central California

View Combo Prof's profile

Combo Prof

2375 posts in 739 days


#3 posted 08-24-2016 08:47 PM

How easy it is to remove? How is the second piece connected to the first? Hard to see int picture. On my 113 regardless of what I do the set screw on the inner pulley eventually loosens (even with locktite) and the woodruff key vanishes into the dust collector.
Hence I periodically need access to the insides.

-- Don K, (Houghton, Michigan)

View leec's profile

leec

12 posts in 105 days


#4 posted 08-24-2016 09:18 PM

Don – the 2 pieces are not connected. There slide by each other. It’s pretty easy to remove them. There are 2 screws that hold the rotating piece on – then it slides to the right once the belt is removed. The stationary piece is just held on with magnets and slides off to the left.

I haven’t had a problem with loose pulleys on my saw. One of the 1st things I did when I got it was to replace both the arbor and motor pulleys – the originals were not running true and the woodruff key slot was stripped on one of them – and replace the original belt with a link belt.

-- Lee, Framingham, MA

View Combo Prof's profile

Combo Prof

2375 posts in 739 days


#5 posted 08-24-2016 10:43 PM

I bought mine new in 1984. The”last one” before they went to direct drive. The only replacement I have made was to to replace the handles for lift and tilt and toss the safety guard. Except for the woodruff key problem that happens with out fail once a year I have had no problems with this saw. Belive it or not I even have had no issues with the original fence. (Although I’m sure an upgraded fence would somehow make it better I can’t seem to justify the expense.) Perhaps when the dust settles from all my projects I can add your genius solution to closing off the back. I also want to make a new base that would roll easier. Thanks for you solution.

-- Don K, (Houghton, Michigan)

View Jaishen's profile

Jaishen

1 post in 432 days


#6 posted 12-01-2016 06:01 PM

Excellent Lee – works great on my Craftsman.

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