Make a fit test one about 1/4" thick, and if the software can manage it, only
print 1/3 to 1/2 a circle for a faster printed fit test.
On Saturday, February 13, 2021, 3:06:12 AM MST, Gene Heskett
<ghesk...@shentel.net> wrote:
Greeting all;
Messing around with the parametric pulley designer, I have made a larger
86 tooth pulley for the big pulley on the A axis supplied with the 6040
mill. I'll also change the belt pitch as its presently a huge XL.
But the chosen belt, a GT2_3mm, is not a good fit, throwing a just
detectable slack in the center of the wrap, inicating the pulley is
about half a red one too small.
Is this a good excuse to add a couple counts to the xy scales in the
printer, or to play with the variable
additional_tooth_width = 0.2; //mm
in the openscad recipe?
Doing this in PETG, so the ender-3 is at the top of its heater range,
with a 250 degree nozzle and a 70 degree bed. And around 7 rendering
hours to try a new fit.
Thanks for any advice.
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