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 Post subject: Faulty stepper??? How to test it?
PostPosted: Sat Aug 12, 2017 9:38 am 
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Joined: Sat Aug 12, 2017 9:24 am
Posts: 3
Country: Romania
Laser Type: k40 laser 40w china
Hy guys,
my first post.
So, I have received my laser a few day ago and it does not work, now I am waiting a solution from the seller but until then..
So, I think Y axis stepper is faulty.
See youtube link
https://youtu.be/suiT4tGWCss
https://youtu.be/gXCdL2UQk1s

How cand I test this stepper without driver?
I hope it is not a problem with mother board M2Nano, X axis motor is working fine.
Stepping Motor Type
42BHM39-100-22D
four wires.
May I power up this stepper with DC without driver?


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 Post subject: Re: Faulty stepper??? How to test it?
PostPosted: Sat Aug 12, 2017 12:13 pm 
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Joined: Wed Jun 05, 2013 2:10 pm
Posts: 1178
Country: United States
Laser Type: 5th Gen
Swap your X stepper with your Y stepper.. If the problem moves then you know it's the stepper motor.. If the problem stays with the Y then the problem is going to be somewhere else. You should be able to just swap the plugs at the control board (POWER OFF).

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I dream of a better tomorrow, where chickens can cross the road and not be questioned about their motives.


Full Spectrum 5th Generation with 45 watt tube and rotary attachment.

Full wood shop and welding equipment.


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 Post subject: Re: Faulty stepper??? How to test it?
PostPosted: Sat Aug 12, 2017 1:14 pm 
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Joined: Sat Aug 12, 2017 9:24 am
Posts: 3
Country: Romania
Laser Type: k40 laser 40w china
Good ideea to swap between steppers but not easy to change conectors, for y axis I have 4 wire conector and to x axis goes a flat band.
Anyway, I will find a solution, probablly I will disassembly x axis stepper and get him near to the main board, because it has only a few cm of wire.
And by the way x axis stepper is different type, I think...
See picture.
Thanks.


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 Post subject: Re: Faulty stepper??? How to test it?
PostPosted: Sat Aug 12, 2017 1:26 pm 
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Joined: Tue Feb 17, 2015 3:07 pm
Posts: 192
Location: Fairview, TX
Country: United States
Laser Type: 5th Gen Hobbly Laser
This is a Full Spectrum laser forum.

You might get better help with your K40 over on a K40 forum/group.
Here a link to the only one I know of https://www.facebook.com/groups/LaserEn ... =bookmarks

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KD Models - 3D printing
5th Gen 45W FSL Laser, AutoCAD, Corel Draw X8


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 Post subject: Re: Faulty stepper??? How to test it?
PostPosted: Sat Aug 12, 2017 1:37 pm 
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Joined: Sat Aug 12, 2017 9:24 am
Posts: 3
Country: Romania
Laser Type: k40 laser 40w china
Ok, I got it. Thanks


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