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Loose Base and Shoulder Joints Causing Vibration in Robotic Arm – Possible Solutions? #93

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opened 2025-07-08 08:36:11 -04:00 by AtHeartEngineer · 0 comments
AtHeartEngineer commented 2025-07-08 08:36:11 -04:00
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Originally created by @nomorewzx on 11/29/2024

Hi, @TheRobotStudio thanks a lot for your excellent work!

After assembling my robotic arm, I noticed that the Base Rotation Joint and Shoulder Joint of followe arm are a bit loose.

Even after tightening all the screws, there’s still some play in these joints. This causes the entire arm to vibrate during teleoperation.

Could this issue possibly be caused by insufficient precision in the 3D-printed links?

Or Has anyone else encountered this issue? How did you solve it?

P.S. I am using the FeeTechSTS3215 7.4V version motors

Thanks a lot!

*Originally created by @nomorewzx on 11/29/2024* Hi, @TheRobotStudio thanks a lot for your excellent work! After assembling my robotic arm, I noticed that the Base Rotation Joint and Shoulder Joint of followe arm are a bit loose. Even after tightening all the screws, there’s still some play in these joints. This causes the entire arm to vibrate during teleoperation. Could this issue possibly be caused by insufficient precision in the 3D-printed links? Or Has anyone else encountered this issue? How did you solve it? P.S. I am using the FeeTechSTS3215 7.4V version motors Thanks a lot!
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Reference: github/SO-ARM100#93
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