Z-Axis Stepper Motor Mount with integrated Axial Thrust bearing
prusaprinters
<p>Z-Axis Stepper Motor Mount with integrated Axial Thrust bearing. The Axial thrust bearing combined with a <a href="https://bulkman3d.com/product/hd0027/">rigid lead-screw compression coupler</a> completely eliminates Z-axis banding caused by the stepper motor “wobbling” under the weight of the X-gantry.</p><p>Do <strong>not</strong> use Flexible Couplers, the whole point is to remove vertical wobble, Flexible couplers make the print quality worse when used with Thrust bearings.</p><p>The required bearing is an AT Thrust Bearing 9X20X7mm (F9-20M) - I recommend you apply a small amount of grease to the bearings on both sides before installation.</p><p>eg https://www.ultimatetoys.com.au/product/at-thrust-bearing-9x20x7mm-f9-20m-1pc/</p><p>This part is designed for the Anycubic Mega Zero, however, it should work on the Ender 3 too.</p><p>I recommend using the included top lead screw supports - don't tighten the bearing-screw holders in place as the lead screw should be able to move backwards and forwards.</p><p> </p><p>Update 12/21: Added a Thrust bearing spacer - this helps keep the thrust bearing aligned.</p><p> </p>
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