z leveling height

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jccdesign
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z leveling height

Post by jccdesign » Wed Jul 09, 2014 3:35 am

Hi , im new to 3d printing and already enjoying the experience, my question is whats the recommended z height . Im getting a bad first layer , is not adhering .

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jimc
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Re: z leveling height

Post by jimc » Wed Jul 09, 2014 4:47 am

welcome! i get a great first layer with the first layer height set at 100% and the gap set to .005"-.006" with a feeler guage.

jccdesign
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Re: z leveling height

Post by jccdesign » Wed Jul 09, 2014 5:03 am

ok , cool, thank you very much , ill have to buy some feeler gauges . I had a very good first print just right out of the box, but once i tried to level the bed i started to have bad adhesion on the first layer, it seemed to be printing too far from the bed.

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Re: z leveling height

Post by jimc » Wed Jul 09, 2014 5:15 am

Yes as the lines of filament go down the edges should just touch each other without squishing it together or pushing plastic around. A .006" should be real close

jccdesign
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Re: z leveling height

Post by jccdesign » Wed Jul 09, 2014 5:34 am

Yeah , basically it was pushing filament around , instead of adhering to the bed . Also i was using the bare glass, do you recommend using blue tape instead ?

jsc
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Re: z leveling height

Post by jsc » Wed Jul 09, 2014 12:46 pm

You may not even have a layer height problem; you have to get it to stick before you can tell that.

People like different bed preps. There's a lot of love for hair spray. I used it for a while, but it's a bit of a process unless you can find it in a non-aerosol form. I find glue stick to be faster and more convenient to apply. You can also use blue tape, but your z-height will then change.

jccdesign
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Re: z leveling height

Post by jccdesign » Wed Jul 09, 2014 3:02 pm

Did a test print early morning of a calibration box after leveling it , muchhh better , still had a little trouble with the first layer adhering to the bed , but i think if use blue tape or aquanet it will help solve that problem.

jccdesign
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Re: z leveling height

Post by jccdesign » Wed Jul 09, 2014 11:23 pm

So if i use glue stick( elmers ?) do i have to heat the bed?

People like different bed preps. There's a lot of love for hair spray. I used it for a while, but it's a bit of a process unless you can find it in a non-aerosol form. I find glue stick to be faster and more convenient to apply. You can also use blue tape, but your z-height will then change.[/quote]

jsc
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Re: z leveling height

Post by jsc » Wed Jul 09, 2014 11:30 pm

PLA is always 60C except when using blue tape; then, heating is optional.

Elmer's disappearing purple washable glue stick is what I use and recommend, in the fat tubes. Apply a thin layer cold. You can wipe it down with a damp paper towel if it is too thick (can be hard to remove large flat bottomed prints). No muss no fuss.

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Re: z leveling height

Post by jccdesign » Wed Jul 09, 2014 11:49 pm

ok thank you very much :)

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