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Sawstop + left hand benchdog router install with downdraft

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Project by leftcoaster posted 03-20-2017 03:22 PM 712 views 0 times favorited 11 comments Add to Favorites Watch
Sawstop + left hand benchdog router install with downdraft
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I don’t have space to the right of my sawstop and didn’t want to cut or alter the 36” extension table to accommodate a router table.

As a left tilt saw there is no room for a router if you replace the standard wing with the benchdog.

So I added the benchdog to the left wing and built legs for additional support. The whole saw is actually more stable now as there was a slight imbalance in the floor where the cabinet rests.

The benchdog comes with holes tapped to receive J hooks from which to hang the fence. I instead used those to attach the legs using hanger bolts. Not shown in this picture are some Rockler leg leveling hardware.

I also wanted a downdraft dust collection box for my PC router and Incra lift. The benchdog does not have any place to attach one such as the rockler or incra units. So I drilled and tapped holes in the cast iron (quarter by 20 same as the legs) and installed 1/2” strips of cherry, counterbored so that the bolt heads are flush with the wood. The cherry frame is flush with the cast framework that supports the lift recess. Before installing them I drilled and counterbored holes in the other direction to use to hold up the box with wing nuts for easy disassembly.

The box itself is 1/4” ply sized to fit exactly inside the cast framework. So it squeezes inside the cherry and bottoms (tops) out at the cast. I glued and screwed two blocks to receive the bolts and used wing nuts to hold the box up.

The incra lift needs a little more clearance at the back than expected so I cut out a rectangle and then covered that with a plywood patch. The additional 1/4” was enough to permit free operation.

Following a Fine Woodworking tip, I cut a vent slot near the top of the box to provide air inflow to the dust port at the bottom on the opposite side.

The dust port is attached with wing nuts in case I need to get in there and the bottom of the case is screwed without glue for the same reason. The plastic port on the front was a freebie from my hardware store and is attached with Velcro for easy access to change router speeds.

The benchdog has two more holes tapped at the back of the table and I used the J hooks to hang the router fence and my featherboards.

The power switch fits perfectly at the front of the box and is flush with the front of the table. The stop switch is within easy reach of my leg.

And yes the sawstop cabinet door is unobstructed even with DC running at the back.

I have to come up with a way to store the crank for the lift and the wrenches and magnetic plates and I’ll be set.





11 comments so far

View leftcoaster's profile

leftcoaster

139 posts in 513 days


#1 posted 03-20-2017 03:28 PM

I installed hardwood cleats in each inside corner of the box for strength. These also receive the screws for the bottom of the box. I suppose I could have used hanger bolts and wing nuts but given the Velcro access window I doubt that I will remove it.

View Underdog's profile

Underdog

984 posts in 1672 days


#2 posted 03-20-2017 07:30 PM

I’m impressed with the way you got it to stick on the wall like that. Do you feed it down toward the floor, or lie on the floor and push stock up toward the ceiling?

-- "woodworker with an asterisk"

View leftcoaster's profile

leftcoaster

139 posts in 513 days


#3 posted 03-20-2017 08:05 PM

Cute

View oldnovice's profile

oldnovice

5997 posts in 3005 days


#4 posted 03-20-2017 11:27 PM

Why the legs?
They are just going to be a tripping point!

The Benchdog router table was expressly designed to be self supporting!
I have had mine on my TS for over 8 eight years without a problem of any kind.

-- "I never met a board I didn't like!"

View Rrrandy's profile

Rrrandy

212 posts in 116 days


#5 posted 03-20-2017 11:48 PM

My benchdog also doesn’t need legs. How do you get the downdraft? Upside down routers push the air up…

-- Y'all need to locate a sense of humor. Borrow one if you can't find yours...

View leftcoaster's profile

leftcoaster

139 posts in 513 days


#6 posted 03-21-2017 12:17 AM

The bench dog is meant to >replace< the stock wing on a saw. I have >added< it in addition to the stock wing because it’s a left sided saw. That’s two cast iron wings, which is a lot of weight hanging out in space. The legs are there to provide support. If they are a trip hazard I guess that would be true of any router table or of the sawstop’s right sided extension, which also has legs and to which people also add router tables.

View oldnovice's profile

oldnovice

5997 posts in 3005 days


#7 posted 03-21-2017 08:06 PM

Sorry, I did not notice that the original wing was still on the saw!
Then, I guess it would need some more support because all of the weight is on the TS wing.
To reduce any tripping hazzard, why not use angle braces against the TS body/frame?

One another note about your downdraft set up:
I don’t know if you saw Norm Abrams router table build where he had a closed front on the cabinet; he later came back to let the viewers know that this decreased the cooling of the router as the router has a fan that draws air in past the motor.
So make sure you are no impeding the ”natural” router air path.

-- "I never met a board I didn't like!"

View leftcoaster's profile

leftcoaster

139 posts in 513 days


#8 posted 03-21-2017 08:26 PM

Angle iron is a good idea—will look into that.

I did not see the Norm update and am grateful that you pointed that out. I’ll have to look at the router’s fan position and assess. I’m not running a production shop, so it’s unlikely to be a big issue, but it’s worth a look.

Thank you!

View canadianchips's profile

canadianchips

2576 posts in 2634 days


#9 posted 03-21-2017 11:42 PM

!
I turned your picture.
I have had my router on left side of my table saw for 30+ years. I like it that way.
You will enjoy this

-- "My mission in life - make everyone smile !"

View leftcoaster's profile

leftcoaster

139 posts in 513 days


#10 posted 03-22-2017 12:36 AM

Thanks Canadianchips!

View NormG's profile

NormG

5736 posts in 2641 days


#11 posted 03-23-2017 01:38 AM

Very creative and glad to see it worked out so well

-- Norman - I never never make a mistake, I just change the design.

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