Faulty Stepper Motor?

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slf riteous
Posts: 2
Joined: Wed Mar 29, 2017 3:08 pm

Faulty Stepper Motor?

Postby slf riteous » Fri Mar 31, 2017 5:21 pm

I have had my N2 for 5 days now and have been experiencing issues with my X-axis. The issue is most prevalent during homing and at the start of a print (https://youtu.be/QJ71lpR-YAk). During the print, with short X movements there is clicking and with long X movements there is vibration and groaning.

I have run through the alignment procedure and have no issues moving the print head around by hand. With the stepper motors disabled, movement is smooth in both X and Y with no binding. I have also switched the stepper drivers, but the issue remained in the X axis.

Is this a faulty stepper motor?

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Vicky@Raise3D
Posts: 2248
Joined: Fri Mar 25, 2016 3:54 am

Re: Faulty Stepper Motor?

Postby Vicky@Raise3D » Sat Apr 01, 2017 9:17 am

Have you ever checked with this list?
X and Y axis check list.pdf
(205.63 KiB) Downloaded 33 times

Is there any abnormal on your machine about the parts mentioned inside this, too loose or too tight? Especially the sliding block, the screws, the belt and pulleys.

slf riteous
Posts: 2
Joined: Wed Mar 29, 2017 3:08 pm

Re: Faulty Stepper Motor?

Postby slf riteous » Sun Apr 02, 2017 1:25 am

Vicky,

Thanks for the reply. I haf checked all those points when I ran through the alignment proceedure. I believe I discovered the issue though. There are sets screws on each sliding block that hold the linear bearings in place. I hadn't noticed these prior, but when I loosened each about a half turn, that seemed to solve all my issues. I think they had just been tightened too much.

I'm glad it was a simple fix!

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Vicky@Raise3D
Posts: 2248
Joined: Fri Mar 25, 2016 3:54 am

Re: Faulty Stepper Motor?

Postby Vicky@Raise3D » Thu Apr 06, 2017 1:48 am

Do you mean the set screws at the side of sliding blocks? Each one has one?

Sergiohssfb
Posts: 1
Joined: Wed Sep 20, 2017 1:43 am

Faulty Stepper Motor

Postby Sergiohssfb » Fri Sep 22, 2017 7:21 pm

Hi guys, it's been over a year now since I wired up a stepper and over the last few nights I've been pulling my hair out.

I've wired my stepper up, 4 wire, and my controller turns it nicely, but even when I hold it by hand it just judders and stops...never mind putting any cutting strains on it I'm using one of kwackers divider controllers to run it although the motor is actually turning a linear table axis. It has worked in the past but I'm sure it is wired correctly and I'm sure the divider setup is correct Likewise, if my wiring was wrong, would it still turn smoothly with no load?

Could the stepper have died? - only I'd have presumed it would have totally blown if this was the case but as it is, I get perfect smooth motion when under no load. Yet virtually no torque both driving or holding.

Any thoughts, help or advice appreciated.


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