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The Radius Fixture That Got Way Too Complicated
Machining rounds on part corners presents a dilemma (to me anyway). Either I lug out my massive rotary table then spend a significant amount of time setting it and my parts up on the mill. Or I just quickly free-hand grind them on belt sander and live with the imprecision. So Iโve decided to make a tool that is the best of both worlds. A rotating fixture plate that is fast to set up, but also precise! But of course it doesnโt stop there. Being the engineer that I am, I couldnโt resist including a ton of extra functionality. If Iโm taking the time to make the tool, might as well do it right, right? At any rate, the scope of the project might have gotten a little out of handโฆ and I might have had to come up with some shortcuts just to save some time. Iโm not saying thereโs super glue involvedโฆ But Iโm not saying there isnโt either.
One response to “The Radius Fixture That Got Way Too Complicated”
Awesome work as always. Working as a draftsman and being very interested in tolerances even though I always struggle when it’s time to decide the value to use, I have one question and one suggestion.
The question is related to the press fit of the top plate and the axle; from what I’ve managed to see from the drawings in the video, the press fit is both for the ฮฆ 0.875 and the ฮฆ 0.760. Why not making the smaller hole a bit larger so that only the bigger diameter needs to be precise?
The suggestion instead is making a video to show the importance of tolerances and how difficult (or easy) is to screw up a fit.
Apart from this, looking forward for the complete build.