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tijmen

Shaking platform

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Posted · Shaking platform

Hi there,

I've got an issue, I hope it is easy to fix.

When printing at the end of the platform, the platform is vibrating quite heavely.

Video can be seen here:

 

You can hear it vibrating and see the wobbly print.

Any suggestions?

 

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Posted · Shaking platform

It looks like that's maybe the second layer being put down? Did it vibrate as it was laying down the first layer as well and does it keep vibrating after say 4-5 layers? I'm guessing what you're seeing here is simply that the first layer is a bit rough and as the head is laying down the second layer it's scraping over the high points of the previous layers which is causing the shake.

 

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Posted · Shaking platform

It keeps vibrating throughout the print. every print, in every material. But on specific spots.

 

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Posted · Shaking platform

Unfortunately the video camera is shaking too much to see the bed shake but I believe you.

I've seen some bouncing of the bed but it has never been a problem for me. I guess I don't print very often this close to the front edge. Does it affect the shape of the final print? Maybe better to take a photo of the front edge of the print and then another photo of the rear edge.

This is a new issue you are bringing up. No one else has mentioned it but I suspect it is "normal" for the UM2. Possibly speeding up or slowing down the test head speed will help change the induced vibrations away from the resonant vibration?

If you have a consistent way to measure your vibrations that I can perform then I can compare my machine to yours.

 

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