Date: 2024-01-19 | Drive wheel shaft nuts failing on MiR600 and MiR1350 | Released by Mobile Industrial Robots
Description
We have become aware of a potential issue regarding the drive wheel mounting on MiR600 and MiR1350 robots that are continuously operating with heavy payloads. The drive wheel shaft nuts can fail over time and result in drive wheels coming loose.
To remedy this, we have tested and validated a more durable and reliable drive wheel shaft nut type. The replacement nut does not require any special tooling to replace.
You can claim a free drive wheel shaft nut replacement kit from MiR, regardless of the robot's warranty status, provided that you have a proof of failure in the drive wheel shaft nuts in your MiR600 or MiR1350 robots, i.e., photos/video and if possible a log file. See How to identify if the drive wheel is coming loose due to faulty drive wheel shaft nuts below.
Create a technical support ticket with the necessary information as described in How to create a technical support ticket. You can find this guide on MiR Support Portal.
The replacement campaign is valid from the date of release of this product service note and until 2025-06-30.
How to identify if the drive wheel is coming loose due to faulty drive wheel shaft nuts
The following error messages have been identified as being related to a loose drive wheel:
Stall detected
Turn speed violation
The following symptoms have been identified as being related to a loose drive wheel:
The robot is unable to drive accurately
The robot is skidding while driving
The yellow markings on the existing drive wheel shaft nuts are misaligned.
If you are in doubt about if a robot is experiencing a failing drive wheel shaft nut and loose drive wheel, contact MiR Technical Support.
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