Herringbone Gears for Ultimaker Original Feeder

By Alex3D - Original

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dandy-lion
dandy-lion
over 8 years
I think yours is better - as simpler design
Alex3D - Original
Alex3D - Original
over 8 years
Hmm I thought about adding a standard ratio Herringbone gear set, but those already exist :) http://www.thingiverse.com/thing:40334
Alex3D - Original
Alex3D - Original
over 8 years
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ataraxis
ataraxis
over 8 years
Nope! There are normally four values which influences the step-width: the microstepping resolution (hardware, changeable by the jumpers on the mainboard), the e-steps/mm value (firmware!!! that means MARLIN for the UMO), the stepangle of the stepper motor itself (1.8° for the stock Stepper) and finally the ratio if the Stepper is geared. To be exact: You CAN also influence it by - e.g. the flow value - but that's not the "normal way". To take it short: dont worry about your slicer
dandy-lion
dandy-lion
over 8 years
Thanks Ataraxis. If I were to use another slicer such as simplify 3d would it make any difference?
ataraxis
ataraxis
over 8 years
Using the ulticontroller: control -> Motion -> e-steps/mm
dandy-lion
dandy-lion
over 8 years
How do you change the estep parameters. I'm using a UMO with a heated bed and cura
Alex3D - Original
Alex3D - Original
over 8 years
Yep, exactly! Even after installing Silent step sticks, the feeder continued to be quite audible (51.3-51.7dB at 40 mm/s retraction). In order to reduce the noise I had to reduce retraction to below 10mm/s. By reducing the ratio I was able to boost that speed up to 20mm/s and continue to operate at a comfortable 29-31dB noise level.
ataraxis
ataraxis
over 8 years
Thanks for sharing your design! But tell me... why did you changed the ratio? For noise reasons?

Alex3D - Original

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