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How smooth should the printer bed move?

OneSprague

How smooth should the printer bed move?
May 28, 2016 01:21AM

Registered: 7 years ago
Posts: 9

So I'm getting into my first build of a kit and the bed is not silky smooth. If I put my hand on it I can move it, but it seems a bit gritty for lack of a better term. It's just not glassy smooth. Should I be worried about this?

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dc42

Re: How smooth should the printer bed move?
May 28, 2016 03:53AM

Registered: 10 years ago
Posts: 14,672

Is that with or without the motor, pulley and belt fitted?

Large delta printer [miscsolutions.wordpress.com], E3D tool changer, Robotdigg SCARA printer, Crane Quad and Ormerod

Disclosure: I design Duet electronics and work on RepRapFirmware, [duet3d.com].

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OneSprague

Re: How smooth should the printer bed move?
May 28, 2016 09:09AM

Registered: 7 years ago
Posts: 9

without moter and belts, just the aluminum plater on the bearings.

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VDX

Re: How smooth should the printer bed move?
May 28, 2016 09:42AM

Admin
Registered: 16 years ago
Posts: 13,886

... the 'smoothness' of ball bearings depends on the 'precompression' of the bearings housing - without any compression it's normally pretty smooth, but you have some play ...

Viktor
--------
Aufruf zum Projekt "Müll-freie Meere" - [reprap.org] -- Deutsche Facebook-Gruppe - [www.facebook.com]

Call for the project "garbage-free seas" - [reprap.org]

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OneSprague

Re: How smooth should the printer bed move?
May 28, 2016 09:47AM

Registered: 7 years ago
Posts: 9

Ok, I'll keep on with my build then and see how it works out. Thanks!

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animoose

Re: How smooth should the printer bed move?
May 31, 2016 04:41PM

Registered: 8 years ago
Posts: 367

Quote
OneSprague
So I'm getting into my first build of a kit and the bed is not silky smooth. If I put my hand on it I can move it, but it seems a bit gritty for lack of a better term. It's just not glassy smooth. Should I be worried about this?

Like this: [www.youtube.com] ? That was how mine was during assembly, but it worked fine once everything was connected up, and also improved over time once it was in regular use.