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FLSun QQ-S Arm Spring Clips — image 1
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FLSun QQ-S Arm Spring Clips

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Clips for attaching springs to either end of each pair of arms, for preloading the ball-joints and removing backlash

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Worked ok in PLA, can be printed vertical without a brim if your bed adhesion is good enough.

I used springs from an amazon selection pack, if the springs are too strong then it can twist the carriages, and will exert a centring force on the effector.

Could probably benefit from a rework bringing the attachment points closer in to the arms, as this reduces twisting forces on the carriages when the effector is not in the centre of the bed

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