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AlexAndChristine > The bottom bracket post. It fits onto the end of 80-20 1010 extrusion and is designed for a 2.5" working height (just like the tube holding blocks). There is an adjustable width split collar for small height adjustments.
AlexAndChristine > The finished product. The securing bolts are 1/2" and fit into T-nuts.
AlexAndChristine > Everything put together and laying sideways on the table.
AlexAndChristine > The marks left by the transfer punch. I wasn't very careful with my measuring when drilling the holes in the cap, so they aren't always centered in the V. That is just an asthetic concern, not a functional one.
AlexAndChristine > Transferring the location of the fixing holes from the cap to the base.
AlexAndChristine > This photo shows the setup for cutting the V in both the base and cap. I used an adjustable angle table (setup to 45 degrees using a 45/45/90 gauge...the angle table scale is way off) and mounted my normal vise to it. It was tedious cutting the steel block where I could only take off about 0.020" at a pass, but easy with aluminum where I could take off 0.060" at a pass.
The bottom bracket post. It fits onto the end of 80-20 1010 extrusion and is designed for a 2.5" working height (just like the tube holding blocks). There is an adjustable width split collar for small height adjustments.
AlexAndChristine > The bottom bracket post. It fits onto the end of 80-20 1010 extrusion and is designed for a 2.5" working height (just like the tube holding blocks). There is an adjustable width split collar for small height adjustments.
The bottom bracket post. It fits onto the end of 80-20 1010 extrusion and is designed for a 2.5" working height (just like the tube holding blocks). There is an adjustable width split collar for small height adjustments.
See photo in gallery
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