Modified a 5 X 7 Adjustable Tilting Table by adding a Ύ X 5 X 10 6061-T6 Aluminum Milling Plate with Ό-20 Threaded Grid on 1 centers for clamping my work. The modification was needed to mill a taper in a 6 piece of hot rolled flat bar to be used to attach a 3 X 5 H.R. Plate to a steel frame for a new welding table I am working on. Also, part of the project was making the necessary clamps to hold the material securely. A steel fence was added to one edge to aid in locating (indicating) the table on the mill and the part to the table.
Something I would like to ask the forum in regards to the clamps is why I am unable to mill a straight slot without getting a skewed slot. Generally, I end up with the slot not being straight end to end. I have tried 2 & 4 fluted cutters, chain drilling the slot to minimize the material to be removed, experimented with spindle speeds and table feeds without much improvement. Any suggestions or advice would be appreciated. The condition doesnt affect the function but doesnt look to good.
I had considered a couple of tilting table concepts made of aluminum plate attached to an aluminum rod and held in the vise at the required angle. The method I chose, seemed to be the best for my application.