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First Project With the New Powermatic Table Saw #9: Extension Table

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Blog entry by psient posted 03-17-2012 03:06 PM 1305 reads 0 times favorited 0 comments Add to Favorites Watch
« Part 8: Powermatic 3000 set-up on mobile base Part 9 of First Project With the New Powermatic Table Saw series Part 10: Powermatic PM 3000 installed »

I have the saw assembled. I will go to Home Depot or Lowes and pick up a saw blade to complete the installation of the riving knife and guard. I’ll also need to pick up a plug and receptacle for the extension cord. After that the saw will be usable. I won’t have dust collection. I can manually vac out what collects with my shop vac until I have something more appropriate. I can then start building Allan’s saw horses for my work table.

I am reticent to affix a solid table/wing on the right of the saw. I’ll build a version of Allan’s work table that doubles as the saw’s extension table. Thus, extending the right side of the saw will be the real first issue I tackle. I can fabricate a replacement for the solid extension table that shipped with the saw utilizing saw horses able to adjust for the height of the saw table. The horses can be stored when not in use or as a table, used somewhere else when the saw is idle.

I need to start thinking about cutting plywood sheets. I am going to fabricate a small weight supporting bracket that can mount to the bolt on the saw base specifically for a plywood/panel cutting extension. The base bracket will have a load bearing adjustable foot to carry whatever is mounted there.

I will have to emulate a sliding table saw to some extent. I have seen similar solutions that are for sale serving as a guide for my personal design. I have no interest in building extension tables for others but need something that will accommodate cutting plywood when I have to. The right side plywood extension itself will be a number of transverse members and their mounting. The load bearing members of the transverse array will have a number of parallel tracks comprised of pressure transfers on strips. The assembly will elevate/swing into place for cutting plywood. When not in use it can collapse and/or hang on the wall. I’m thinking that square tubing is a good material for this fabrication. If I had more experience welding aluminum I’d use that. However, at this time using aluminum is out of my reach. Once I hone this design I’ll utilize it for infeed/outfeed tables as well.

It is important for me to add one other thing, the idea for a motion extension wing is the result of searching for solutions on You Tube. That is to say, there are similar assemblies for sale commercially and I acknowledge and am explicitly grateful to one in particular for illustrating the basic concept. I don’t mention the name here as that information is irrelevant to my project. However, if you take the time to PM me I’ll be happy to send you in the direction of this piece of equipment; it seems well made and thought-out and reasonably priced. I believe this statement provides a way of thanking that design/designer’s work giving me my inspiration. If you don’t want to bother me over simple curiosity, a quick search of extension tables on You Tube will reveal such designs.

In summing up:

I need to get a saw blade and assemble the guard and riving knife; after installation I can use the saw. I will first build some saw horses to replace the right-side solid extension table that shipped with the powermatic. Next, for cutting plywood I’ll fabricate a use-specific extension likened to the slide on a sliding table saw but simpler and removable. My thinking is a testimony to others that have gone before me; I stand on the shoulders of giants.



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