1 Topic by osmanharac

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Topic: Y and z axis skipping after e3d upgrade

Hi guys
i didnt face with this problem when i first installed the e3d. I couldnt get a decent print but it was caused by over extrusion.
i did some research and read this thread
http://www.soliforum.com/topic/4029/par … ll/page/5/
Here are some videos about the problem. I have the printrboard board.
https://m.youtube.com/watch?v=bf7pi_MVXhk
https://m.youtube.com/watch?v=yKOtx6hdFPQ
https://m.youtube.com/watch?v=AQree0frVXM
https://m.youtube.com/watch?v=UvVNhGC-cvo
i didnt have this problem on my first prints. Why would it happen now?
maybe one of my endstops are manually coming on during print?

2 Reply by osmanharac

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Re: Y and z axis skipping after e3d upgrade

And the skipping only happens at certain directions. When z axis goes down and when y axis is moving towards the front.
i havr fans on the board to cool it

3 Reply by IronMan (edited by IronMan 2015-08-06 20:32:56)

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Re: Y and z axis skipping after e3d upgrade

First things first, you left side Y belt is WAY too loose...

Try this:
https://vimeo.com/55031028

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4 Reply by osmanharac

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Re: Y and z axis skipping after e3d upgrade

I havent calibrated it for a while but i was getting awesome prints before like this. Thanks for the input. I really appreciate it. I checked the end stops and they seem fine btw

5 Reply by elmoret

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Re: Y and z axis skipping after e3d upgrade

And that is a pile of wiring that's adding weight, that's not helping either.

I'm betting your stepper driver stepping voltages need to be adjusted.

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6 Reply by osmanharac

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Re: Y and z axis skipping after e3d upgrade

Yeah i calibrated the y and it solved skipping on that one.
For z, it seams like every time a layer changes it has hard time adjusting. I guess sometimes it goes down more than it should. Especially for the first couple of layers. Maybe my rods treads are damaged?

7 Reply by grob

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Re: Y and z axis skipping after e3d upgrade

How does the z-axis sound when you move it with the manual controls? If it doesn't make weird sounds on the way down it's probably ok. If the threads are damaged, you should be able to see that with close inspection.

If it is a bit noisy, or the motor's struggling, maybe a bit of lubrication (light oil, e.g. 3-in-1 does ok) could help?

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