ZeroG Hydra Thrust Bearing Motor Mounts
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Modification of the ZeroG Hydra Motor Mounts to accommodate F8-M16 thrust bearings
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- Creative Commons — Attribution — Noncommercial
This is a modification of the ZeroG Hydra Motor Mounts to accommodate F8-M16 thrust bearings.
Stepper motors are not designed to take axial load. With the weight of the bed pushing down on the motors, there is a high risk that the spring washer inside of the motor gets compressed causing uneven layer heights or even cause damage to the motors.
With this mod the weight of the bed is no longer pushing down on the motors but rather on the bearings and the motor mounts.
Use rigid couplers instead of the commonly used springy ones as the goal here is to remove any vertical wobble.