On 2/16/2016 6:47 AM, Bertho Stultiens wrote: > The micro-switches look like they can manage at almost no cost. But then > my curiosity got in my way on how far you actually can go with the > cheapo method. I'm now considering to take an old CD player and move the > laser-assembly onto several micro-switches at different speeds. The > laser-assembly is sub-micrometer accurate (CD track-separation runs at > 1.5...1.6 um) and generally uses a simple stepper.
They don't get that accuracy with the stepper. The lens is suspended on springs and uses magnetic coils for fine positioning radially for tracking and vertically to focus. --- This email has been checked for viruses by Avast antivirus software. https://www.avast.com/antivirus ------------------------------------------------------------------------------ Site24x7 APM Insight: Get Deep Visibility into Application Performance APM + Mobile APM + RUM: Monitor 3 App instances at just $35/Month Monitor end-to-end web transactions and take corrective actions now Troubleshoot faster and improve end-user experience. Signup Now! http://pubads.g.doubleclick.net/gampad/clk?id=272487151&iu=/4140 _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
