Problems with Nema 23

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MakingToothpicks
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Senior Member

08 Apr 2013 22:00 #32433 by MakingToothpicks

Problems with Nema 23 was created by MakingToothpicks

I with the help of members of this forum have worked out getting Linuxcnc working.
A big thank you to all for the help so far.

My next problem area is the motors. They are Longs Motors model 23HS8610
287 oz. Either I am doing something wrong or they are way under powered. I
can stop them from turning with my fingers ?? . I have tried 3 ways to wire them.
1: A RED , A- WHITE , B GREEN , B- YELLOW this is what I see in the Doc's that
came with then

2: A BLACK , A- GREEN , B RED , B- BLUE

3: A RED , A- Blue , B GREEN , B- BLACK

Number 1 I can stop with my finger, 2 better 3 Very hard to stop but I can.

The Z axis weight is 10lbs.

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andypugh
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09 Apr 2013 06:42 #32445 by andypugh

Replied by andypugh on topic Problems with Nema 23

MakingToothpicks wrote:
My next problem area is the motors. They are Longs Motors model 23HS8610
287 oz. Either I am doing something wrong or they are way under powered.

It looks like these are 6-wire motors. The first thing to do is work out which wire is which. The docs may well be completely wrong.

If you have a multimeter it is quite easy. The wires are 2 groups of three. In each group of three one wire will be the middle of the winding that the other wires are the ends of, and if you measure the resistance you can work that out.
ie, if red to green is 3 ohms and red to blue is 6 ohms and blue to green is 3 ohms, then red and blue are the ends, and green is the middle.

Once you have found the middle wire from each phase, tape them up and ignore them.

Then it doesn't really matter how you connect things, as long as one winding goes to A+ and A-, and the other to B+ and B-.

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MakingToothpicks
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09 Apr 2013 08:34 - 09 Apr 2013 08:36 #32448 by MakingToothpicks

Replied by MakingToothpicks on topic Problems with Nema 23

OK it is RED - BLUE and GREEN - BLACK and looks like working good.

Thank You

PS : I will probably be back with more LoL :woohoo:

Last edit: 09 Apr 2013 08:36 by MakingToothpicks.

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