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What Killed this $99 Servo? A Postmortem

Clough42 253,315 2 years ago
Video Not Working? Fix It Now

The $99 Chinese StepperOnline 180W servo I showed in a previous video for use on my Lathe Electronic Leadscrew died recently. Today we're going to figure out what caused the failure and get the ELS back up and running. So I can use my lathe again. The servo: *This site contains affiliate links for which I may be compensated NEMA23 180W 3000RPM Easy Servo (StepperOnline*): https://bit.ly/37SctTB Tools used in this video: *This site contains affiliate links for which I may be compensated Bondhus Metric Hex Key Set (Amazon*): https://amzn.to/3eqZzwb Bondhus SAE Hex Key Set (Amazon*): https://amzn.to/3h9bJLZ Starrett Precision Screwdriver Set (Amazon*): https://amzn.to/35taFJc Rigol DP832 Triple-Output Power Supply (Amazon*): https://amzn.to/2FHtSfz EEVBLOG Brymen BM235 Multimeter (Amazon*): https://amzn.to/2YKFSEk DER EE DE-5000 LCR Meter (Amazon*): https://amzn.to/3ip3IT1 FLIR ONE Prot LT Thermal Camera (Amazon*): https://amzn.to/39ZGONa Sharpie Magnum Marker (Amazon*): https://amzn.to/3mfgyIe Mitutoyo Thread Pitch Gauge - SAE and Metric (Amazon*): https://amzn.to/3y4nFGC Raw Kevin MacLeod (incompetech.com) Licensed under Creative Commons: By Attribution 3.0 License http://creativecommons.org/licenses/by/3.0/ 00:00 Intro 00:46 Testing 01:52 Testing the power supply voltage 02:49 Pulling the suspect servo 03:31 Bench testing the suspect servo 04:28 Disassembly 06:51 Visual Inspection 10:35 Electrical testing 14:02 FLIR thermal camera inspection 15:23 A suitable replacement 16:58 Programming the new servo 17:51 Installation 18:43 Testing 20:04 Conclusion

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