oldham Z coupler for RepRap with downside z motors

Prints (0)

Description

Summary video: http://www.youtube.com/watch?v=Bc-pEWRrJsc&feature=youtu.be this coupler will compensate small or lages align errors between z treaded rods and motor shaft, the middle piece will do it by moving itself, if the rod is out of centre of 5mm will work too!! soon a photo of printed item :) if the print head touch the printbed after a few turns the coupler will not pull the rod because it will disassembly, is a sort of z-saver, but i i have design another version for upside motors wich block this feature Instructions print all 3 files 5mm, 8mm and middle part to get one coupler, adjust it if needed with sharp to make all parts fit and slide togheter, i have leaved holes for small 2.5mm wood screw if your prited part is not too strong or simply you need more affidability, add grease in the spaces between each parts and mount it

Design Files

File Size

z_coupler_5mm_motor_downside_series.stl
260 KB
z_coupler_middle_uppeer_series.stl
549 KB
z_coupler_assembly_not_print.stl
916 KB
z_coupler_middle_downside_series.stl
515 KB
z_coupler_8mm_downside_series.stl
370 KB
z_coupler_8mm_upper_series.stl
374 KB
z_coupler_5mm_upper_series.stl
222 KB

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