NEMA23 48:1 Split Ring Differential Gearbox/Print in Place

prusaprinters

<p>&nbsp;</p><figure class="media"><oembed url="https://youtu.be/6dH68abHHqw"></oembed></figure><p>This is a 48:1 split ring gearbox that prints in place. &nbsp;There is also a mating piece that allows the output to go to a shaft or NEMA23 fitting. &nbsp;Recommend printing in Nylon for functional print. &nbsp;PLA works fine for demo/light duty.&nbsp;</p><p>Print orientation per picture, no supports, .4 nozzle, .2 layer height. &nbsp;Part has frangible pieces that support the rotating outer shell on build plate, those will need to be pulled off to allow rotation of outer shell past mounting points. &nbsp;Typically these come off very easy. &nbsp;It also has a frangible piece connecting the input sun gear to the upper sun gear; this contributes to making the initial movement of the part a little tough, as the connection needs to be broken so the upper sun and input gear can rotate at different speeds. &nbsp;Recommend turning top sun gear on output side first, &nbsp;it usually takes some monkey strength to initially break part free and its best not to mar input shaft fitting. &nbsp; Once part is moving freely, a little bit of lubrication helps (PTFE lube works well). &nbsp;It should spin with light input after initial turn. &nbsp;</p><p>&nbsp; &nbsp;Caveat Formator: &nbsp;This GB requires a dialed in print as tolerances were designed to minimize backlash. &nbsp;&nbsp;</p><p>&nbsp;</p>