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There are several options for leadscrew couplers, listed in order of preference. This is opinion, feel free to test and evaluate yourself.

Joint Coupler
Figure 1: These couplers are made of two separate pieces of aluminum and a center plastic joint. They center the leadscrew & stepper better than the solid couplers, and are very quiet. Less Z artifacts than either the rigid or spring couplers.
Solid Coupler
Figure 2: These Couplers are a rigid style. Issues are mostly around centering the leadscrew and stepper shaft. Quieter than a spring style coupler, but can add wobble and some Z artifacts.
Spring Coupler
Figure 3: These Couplers are a common basic coupler. In testing they were louder than the others, and added Z-artifacts / banding.
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en/leadscrew_couplers.txt · Last modified: 2018/07/29 23:32 by cronix