This is my recent version of a dual slot miter table for my Sears 21829. I used some aluminum bar and angle stock I had lying around along with some incra Miter track and T-track. I also used a couple pieces of ½ and ¼” MDF scraps. I would have preferred to use hardwood, but I do not have a thickness planer. (My skills with a hand plane need much work too.)
I found that stacking the two thicknesses of MDF there was about 1/16” difference. I made up for that with the 1/16” aluminum stock. I drilled new bolt holes in the four places where the tracks bolt to the saw frame. I did also have to use some 1/32 shims once I tightened up on the fasteners. These were cut out of some aluminum sheet material.
The table casting on the right side steps back and is slightly tapered. I cut the MDF to match.
I believe it was a piece of 1/16 inch thick 3/4x3/4 angle next to the table top for the left side slots, and a couple pieces of 1/16 inch thick ½x3/4 inch angles on the bottom..
So far, the only thing I need to revise is to block the gap between the track-to-frame connection on the left side rear. If I tighten the fastener too much it will slightly warp the track and cause a tight clearance slider to bind.
I found that stacking the two thicknesses of MDF there was about 1/16” difference. I made up for that with the 1/16” aluminum stock. I drilled new bolt holes in the four places where the tracks bolt to the saw frame. I did also have to use some 1/32 shims once I tightened up on the fasteners. These were cut out of some aluminum sheet material.
The table casting on the right side steps back and is slightly tapered. I cut the MDF to match.
I believe it was a piece of 1/16 inch thick 3/4x3/4 angle next to the table top for the left side slots, and a couple pieces of 1/16 inch thick ½x3/4 inch angles on the bottom..
So far, the only thing I need to revise is to block the gap between the track-to-frame connection on the left side rear. If I tighten the fastener too much it will slightly warp the track and cause a tight clearance slider to bind.
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