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Author Topic: Mach3 and Tapmatic Tapping Head  (Read 22566 times)

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Re: Mach3 and Tapmatic Tapping Head
« Reply #40 on: October 30, 2012, 01:01:52 PM »
Andy, if you're worried about identifying the wires in the loom, just run the existing wire from the sensor into the case
Re: Mach3 and Tapmatic Tapping Head
« Reply #41 on: October 30, 2012, 01:19:16 PM »
ill get the sensor kit ordered and see what i can do.

not fully sure how im going to machine up a disk to go round the spindle
Re: Mach3 and Tapmatic Tapping Head
« Reply #42 on: October 30, 2012, 01:21:34 PM »
for a temporary setup you could tie wrap an actuator to the top of the spindle
Re: Mach3 and Tapmatic Tapping Head
« Reply #43 on: October 30, 2012, 02:38:26 PM »
ill just go with the kit from cnc doctor for now see how i get on

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Re: Mach3 and Tapmatic Tapping Head
« Reply #46 on: October 31, 2012, 06:18:44 AM »
shame maplin or rapid doesnt sell these sensors.

ill get one ordered thanks for the info
Re: Mach3 and Tapmatic Tapping Head
« Reply #48 on: October 31, 2012, 07:01:02 AM »
ah they call it something different, good old maplins.

im assuming its exactly the same and wired the same? (electronics is not my fing)

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A slotted disc attached to the spindle, an Optek OPB 916B optical switch and a 220 Ohm resistor are all thats required. Take 5v from the BOB to the white wire on the opto, take the same 5v source to one end of the resistor and connect the other end to the red wire on the opto. Connect the Green and black wires of opto together and connect to 0v (Gnd) terminal on Bob. Take blue wire from opto and put to an input on the BOB. In Ports and Pins, Inputs set p the Index to the port and pin you have it connected to.

BTW Mach has to be licensed for threading just in case you are in demo and wonder why it doesnt work.
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Re: Mach3 and Tapmatic Tapping Head
« Reply #49 on: November 01, 2012, 12:38:14 PM »
just got two opb916b's today.

but i forgot about the resistor, is the resistor 100% needed?

also what is the BOB?