On 03/09/2016 11:54 AM, sa...@empirescreen.com wrote: > We purchased some gear tooth sensors in hopes of using one of the gears in > the K&T for a spindle encoder. Well - we ended up putting a shaft encoder in > the gearbox. > > http://www.digikey.com/product-search/en?keywords=620-1328-1-nd > > Well - move ahead a few years - We are putting a gear in the matsuura spindle > for an encoder. the 2 sensors on the gear seem to work great for quadrature > signal. > > http://electronicsam.com/images/matsuura/sensors.jpg > http://electronicsam.com/images/matsuura/oscope.jpg > > (that is 6000rpm) > > > The issue is that we drilled about a .130 hole for the index but it acts odd. > If you rotate the spindle one direction it will pass the index and stay high > until it passes the hole then you get a little index pulse low. If you run > it the other direction it goes low after passing the index - and you get a > positive index pulse at every passing of the hole. I think it should stay > low (or high) no matter what direction the spindle is turning (and get a > pulse every pass of the index hole). > > clear as mud? > thanks > sam
Damn Sam. That scope has seen a coupla greasy fingers. ;-) ------------------------------------------------------------------------------ Transform Data into Opportunity. Accelerate data analysis in your applications with Intel Data Analytics Acceleration Library. Click to learn more. http://pubads.g.doubleclick.net/gampad/clk?id=278785111&iu=/4140 _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
