We have this 50 year old curve tracer which could easily kill you by accident, so nobody used it, and finally someone asked me to make it safer.
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We have this 50 year old curve tracer which could easily kill you by accident, so nobody used it, and finally someone asked me to make it safer. I did, and now everyone uses it, and last month it broke from overuse and I just got around to fixing it.
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Many of the front panel knobs go back to a panel in the back that handles the CRT hardware, and they chose to do this by using long aluminum rods that use shaft collars that attach to the potentiometers using a flex coupling. The shaft collars have two set screws and are slotted for driving the plastic flex coupling. The slot is flat bottomed with sharp corners at the base of the slot, which is a good way to make something that cracks.
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Maybe someone supplies double set screw slotted repair collars for a 50 year old machine. But I have a lathe and a mill.
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And it works pretty well! Now I have to swap out the other two because one is bending.
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G gustavinobevilacqua@mastodon.cisti.org shared this topic
