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Dewalt RAS #1: 1400 Rebuild

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Blog entry by Dennis Hill posted 04-29-2016 11:29 AM 481 reads 0 times favorited 3 comments Add to Favorites Watch
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I’ve been using this DeWalt 1400 for several years after buying it off Craigslist for $70. Never did much to it other than adding a good blade, and a quick-and-dirty table/fence. This year I tore it apart. Reassembled with new motor bearings, some wiring, a major cleanup and repaint, and a table. All pretty standard except for the table.

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The table on some saws is relatively small which makes supporting long boards difficult. One solution is to build the saw into a bench. Another is to use portable supports that you move into place as needed. I want to keep the size of the saw footprint as small as possible so I came up with another solution: a sliding table. As you can see in the pictures it slides right or left along the fence and provides about 12 inches of side support under boards.

The mounting of the table on the DeWalt saws is critical to accuracy. It must be exactly parallel to the arm to ensure cuts are true. Given the design of the DeWalt frame which lacks adequate attaching points this can only be achieved with material that is inherently stiff, such as MDF, thick plywood, etc. Adding a section of the table that slides only complicates matters.

The solution was to beef up the DeWalt frame with Unistruts. These simple steel members are straight and they don’t bend. The stiff table top can then be mounted easily.

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The sliding section is not bolted to anything. It maintains registration to the fixed portion of the table with a spline that runs in a slot. So far the sliding design works well. It has remained true and parallel.

The fence mounting system was also upgraded to eliminate the thumbscrews on the back side of the frame. Self-adjusting horizontal clamps from Rockler work very well.

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The sacrificial surface on the table and slider is laminate flooring. I like it because it’s slick, cheap and looks good. Easily replaced too, since only secured with a few pin nails.

The initial conceptual work was done in Sketchup and with a little bit of refinement should be available for anyone who would like to mount a similar table on their saw.

-- Dennis in Kenmore, WA -- So much wood, so little time.



3 comments so far

View JoeinGa's profile

JoeinGa

7481 posts in 1469 days


#1 posted 04-29-2016 12:35 PM

Nice restoration, and I REALLY like the sliding table idea. Thanks for sharing

-- Perform A Random Act Of Kindness Today ... Pay It Forward

View Kaleb the Swede's profile

Kaleb the Swede

1727 posts in 1432 days


#2 posted 04-29-2016 12:54 PM

Great job! I love to see the old machine restores, I am going to do it myself one day. You clearly brought that beauty back to life.

Great functional art

-- Just trying to build something beautiful

View Dennis Hill's profile

Dennis Hill

21 posts in 781 days


#3 posted 04-30-2016 05:56 PM



Great job! I love to see the old machine restores, I am going to do it myself one day. You clearly brought that beauty back to life.

Great functional art

- Kaleb the Swede

Never really thought of it as art….but now that I do think about it….you’re right. Makes me like it even more. Thanks!

-- Dennis in Kenmore, WA -- So much wood, so little time.

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