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wheather Pitch error compensation need for linearscale feedback

Created by: ŠΜS at: 10/29/2010 3:18 PM (4 Replies)

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10/29/2010 3:18 PM	Rate (0)
ŠΜS Silver Member Joined: 6/7/2010 Last visit: 7/9/2024 Posts: 571 Rating: (37)	Dear All, If the machine has linear scale feed for axis. Wheather that machine required to give pitch error compensate in scale feed back or not? Muthamizh
	Regards, ŠΜS
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10/29/2010 4:28 PM	Rate (0)
OvidiuNastac Silver Member Joined: 1/29/2008 Last visit: 7/26/2022 Posts: 419 Rating: (19)	Hi It depends on several factors as: -The required machine precision -The linear scale precision -The type of the scale (incremental or absolute) Good luck Nit

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10/29/2010 5:41 PM	Rate (0)
Pee Ell Sea Posts: 672 Rating: (57)	Hi, If it's long scale assembled from sections and with a tape I would say yes. Otherwise as nit says. Pee
Pee Ell Sea Posts: 672 Rating: (57)
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10/30/2010 3:47 AM	Rate (0)
ŠΜS Silver Member Joined: 6/7/2010 Last visit: 7/9/2024 Posts: 571 Rating: (37)	Hi Nit & Pee, Gendraly we going for Linear scale feed to get better accurcy, My questine is that the load is directly coupled in the scale, then how the pitch error occurs? Muthamizh
	Regards, ŠΜS
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10/30/2010 7:57 AM	Rate (0)
OvidiuNastac Silver Member Joined: 1/29/2008 Last visit: 7/26/2022 Posts: 419 Rating: (19)	Hi The name for this type of compensation is "Pitch error compensation" because is intended to use it for ball screw pitch error compensation, but that doesn't mean that you can't use it for other type of compensation and whatever precise the scale is, it has some errors (that' why the scale manufacturer is sending you, along with the scale, a sheet with the measuring results). So it's up to you if you use it or not. Good luck Nit

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