Yet another linear bushing ?
Yes but this one is a bit special as, if you follow the process, it will print in "spiral vase" which means:
- it will be very accurate !... The Spiral Vase setting of Slic3r will raise Z continuously avoiding a layer-change point which would cause a visible seam. The accuracy is given by parametrization of the diameters. It will fit direct from the printer once parametrized to your printer.
- A chamfer is included at both extremities on the inner and outer diameters. (no need to trim anything)
- it can be made springy
- it is self centering
- it is very light (around 1g each which means you win 50 g on the Y carriage)
- it has low friction and slides on the whole surface of the rods
- everything is customizable and MUST be customized (see below). As they cost nothing (around 2 cents each) you can play with them, print 4 or 5 prototypes to get the perfect fit. To open the customizer click on the button "open in customizer" just at the bottom right of the picture...
Only drawback, it must be installed inside a standard bushing just because it has to be set inside a cylindrical housing to keep a regular shape.
They are installed on my Y axis and so far they do a great job!
see it here: https://youtu.be/BviIuek-uW4
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