Re: [Emc-developers] spindle speed hall sensor magnet

2020-11-06 Thread TJoseph Powderly
gt; for "gear tooth sensor" (no quotation marks) for lots of sensors. > > -Original Message- > From: Thomas J Powderly > Sent: November 6, 2020 11:50 AM > To: emc-developers@lists.sourceforge.net > Subject: [Emc-developers] spindle speed hall sensor magnet >

Re: [Emc-developers] spindle speed hall sensor magnet

2020-11-06 Thread ken.strauss
of sensors. -Original Message- From: Thomas J Powderly Sent: November 6, 2020 11:50 AM To: emc-developers@lists.sourceforge.net Subject: [Emc-developers] spindle speed hall sensor magnet I'm having trouble securing a magnet onto a trim router spindle shaft for hall sensor rpm. I tried a

Re: [Emc-developers] spindle speed hall sensor magnet

2020-11-06 Thread andy pugh
On Fri, 6 Nov 2020 at 16:50, Thomas J Powderly wrote: > both blew up as i approached the 35000 rpm of the trim router. 3600rad/sec > Magnet is 5mm dia x 3mm high neodynium on a 10 mm shaft, between end > bearing and brush. 0.4g at 5mm radius = 25N force, or 5.5 lbsf. Glue might work. Or possi

[Emc-developers] spindle speed hall sensor magnet

2020-11-06 Thread Thomas J Powderly
I'm having trouble securing a magnet onto a trim router spindle shaft for hall sensor rpm. I tried a 3m 2 part glue and a loctite kneadble epoxy putty, both blew up as i approached the 35000 rpm of the trim router. The control scheme works ( arduino with pid, pyvcp speed set and rpm meter, ze