dual helix flexible coupling
thingiverse
This coupling is dual helix, flexible, and sized at 6mm or .375" bores, measuring 2.35" in length; sourced from Sterling Drive Products' catalog. It was printed using ABS filament, 100% fill, at 230°C extruder temp, 115°C bed temp, with a 60mm/sec print speed and 80mm/sec travel speed on a TOM printer with Jetty Sailfish firmware. In-built supports eliminate the need for additions, while easy removal with a hobby knife ensures cleanliness for use. The coupling is destined for a Z-axis stepper to leadscrew on a self-designed 3D printer, with native inventor and step files available for modifications. A cautionary note: first prints at higher temperatures resulted in brittleness, so temperature testing is advised.
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