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When the CAM switches, the velocity of the slave axis is abnormal

Created by: o0yuming0o at: 1/15/2025 12:18 AM (6 Replies)

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1/15/2025 12:18 AM	Rate (0)
o0yuming0o Experienced Member Joined: 3/30/2014 Last visit: 12/20/2025 Posts: 107 Rating: (3)	When the CAM switches, the velocity of the slave axis is abnormal. I monitored it over a long period of time, and this anomaly occurred eight times in 24 hours. This attachment shows that in one Servo cycle, the velocity value from the axis changes to negative. Attachment Weixin Image_20250115081713.png (316 Downloads)

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1/15/2025 12:20 AM	Rate (0)
o0yuming0o Experienced Member Joined: 3/30/2014 Last visit: 12/20/2025 Posts: 107 Rating: (3)	This attachment shows normal velocity value Attachment Weixin Image_20250115081740.png (304 Downloads)

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1/15/2025 12:21 AM	Rate (0)
o0yuming0o Experienced Member Joined: 3/30/2014 Last visit: 12/20/2025 Posts: 107 Rating: (3)	This attachment shows the abnormal velocity value Attachment Weixin Image_20250115082058.png (300 Downloads)

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1/15/2025 12:26 AM	Rate (0)
o0yuming0o Experienced Member Joined: 3/30/2014 Last visit: 12/20/2025 Posts: 107 Rating: (3)	This attachment shows the cams used in continuous operation slave offset 180° Attachment 2025-01-15 082542.png (327 Downloads)

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1/15/2025 12:28 AM	Rate (0)
o0yuming0o Experienced Member Joined: 3/30/2014 Last visit: 12/20/2025 Posts: 107 Rating: (3)	This attachment shows the stop CAM No offset. Attachment Image_20250115082651.png (282 Downloads)

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1/15/2025 12:30 AM	Rate (0)
o0yuming0o Experienced Member Joined: 3/30/2014 Last visit: 12/20/2025 Posts: 107 Rating: (3)	This attachment shows the code to switch to the stop CAM Attachment Image_20250115082916.png (289 Downloads)

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1/20/2025 2:56 PM	Rate (0)
jacek d Platinum Member Joined: 9/23/2005 Last visit: 12/23/2025 Posts: 5149 Rating: (772)	Hi, it would be much more interesting to see setpoints for leading and following axes.
	Regards, Jacek What is confusing you is the fact that you never see a number but always its digit representation. So you end up thinking that the number is the representation. - Andrej Bauer Any claims against me - based on whatever legal reason - resulting from the use of any code and/or ideas presented on this forum shall be excluded. #StayWithUkraine
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