Gallery, Projects and General > How do I??
mill spindle speedo..
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NormanV:
I'm late to join the party.
It does not need a magnet, in fact it reads the hole that I made for the magnet perfectly well, it's about 5mm deep 10mm dia. The refresh rate is not good, when I stop the machine the readout always shows a number but when I restart it immediately gives a correct reading.
I am very happy with it, terrific value for money.
Be aware that it is very sensitive to the distance between the sensor and the hole.
stirling lad:

--- Quote from: John Rudd on October 21, 2014, 02:47:16 PM ---Ahh.... The light has come on
--- End quote ---

Haha,, my light had come on but went back out again about 3or4 posts ago :scratch:...

as long as i can get it powered i'll just try it with and without a magnet...

Norm, it does seem like really good value for money...

thanks for all your advice gents, hopefully this will make life a little easier as i really don't have the experience of milling machines to guess with confidence how fast they are revolving ...

...M...
stirling lad:
oops,,

   i'll never get the knack of these 'quote ' thingy's....

..m..


(Now sorted for you, Mike).
David D
dawesy:
Well I've ordered one for my lathe.  The original motor turned out to be 4 pole after I'd already brought a 2 pole. So this will be good for working out the spindle speed.
stirling lad:
 you were'nt kidding when you said they are easy to fit...
I managed to get one working and if i can anyone can....
...mike..
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