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802D retrofit help

Created by: atharva at: 5/31/2007 5:10 AM (4 Replies)

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5/31/2007 5:10 AM	Rate (0)
atharva Bronze Member Joined: 2/27/2007 Last visit: 3/30/2022 Posts: 79 Rating: (5)	Hi everbody, I am retrofitting a lathe. I have used 802D with ADI4 as i used old Indramat axes and spindle drive. X-axis is with liner scale LS403 with exe unit EXE602 D/5-F G11. Z-axis with 2500 ppr encoder. I am facing a problem that when I give a pulse of 100 microm X-axis through JOG-INC mode it moves 40 micron also on display it shows 200 micron displacement. What is wrong . Parameter i have set 310000 = 1, 31010=0.0100 Can anyone giveproper inforamtion about scale gradiants with above data. Also i mounted a encoder but it is not givin me liner movement for each step of 100 micron. thanks in advance
	Last edited by: atharva at: 31.05.2007 05:18
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5/31/2007 11:05 AM	Rate (0)
pfuser Silver Member Joined: 9/18/2006 Last visit: 1/22/2025 Posts: 595 Rating: (64)	Hi. 31040=1 What you loaded of file :1 (2) _ADI4.wpc? You try 31070=4, 31080=10. Successes.

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6/1/2007 8:53 AM	Rate (1)
denzilg Regular Member Joined: 5/28/2007 Last visit: 9/26/2022 Posts: 11 Rating: (1)	Hi It seems if you have incorrect parameter setting on on 31010 the linear scale has a grating pitch which must be multiplied with the EXE which seems to be a X5, firstly find out what grating pitch is on the scale eg: grating pitch 0.02 EXE 5 fold then 0.02 / 4 = 0.004 31010 = 0.004 Hope this could help Regards denzilg_sa

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6/3/2007 3:34 PM	Rate (0)
atharva Bronze Member Joined: 2/27/2007 Last visit: 3/30/2022 Posts: 79 Rating: (5)	Thanks denzlig You are absolutely right. Sorry for for delayed reply

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2/12/2009 5:07 PM	Rate (0)
valenkar Posts: 2 Rating: (0)	Very good explanation Thanks
valenkar Posts: 2 Rating: (0)
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