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				Re: Ruida LFS-PM T43 Live Autofocus System
				Posted: Sun Jan 03, 2021
				by Martin Biron
				Looks like I found my own solution to the double mark, the lens had been installed upsidedown.  Though the spot size is larger now.  Maybe this is due to distance from the lens to the cutting surface?
			 
			
					
				Re: Ruida LFS-PM T43 Live Autofocus System
				Posted: Sun Jan 03, 2021
				by Martin Biron
				Changed the lens today and unbelievably the lens was installed upsidedown.  The new lens replacement has cured the double spot issue.  But I still have some ghosting.  Any ideas?
20210103_193645.jpg
 
			
					
				Re: Ruida LFS-PM T43 Live Autofocus System
				Posted: Sun Jan 03, 2021
				by Gene Uselman
				That really looks like the beam is hitting the edge of the nozzle to me.
			 
			
					
				Re: Ruida LFS-PM T43 Live Autofocus System
				Posted: Mon Jan 04, 2021
				by Frank Small
				Martin
What is the make and model number of the laser height sensor on the head?
I have used some laser height sensors in a previous job for miniature battery manufacturing. I am by no means an expert!