Inter-layer adhesion issue

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Jules
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Re: Inter-layer adhesion issue

Post by Jules » Thu Mar 31, 2016 2:35 am

No, you just spray it on the bed and let it dry before you start the print. (Takes a couple of coats.) But it works to hold the print down.
(The secret to printing PLA at low temps.) :lol:

dramsey
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Re: Inter-layer adhesion issue

Post by dramsey » Thu Mar 31, 2016 2:43 am

Jules wrote:No, you just spray it on the bed and let it dry before you start the print. (Takes a couple of coats.) But it works to hold the print down.
(The secret to printing PLA at low temps.) :lol:
Yes, but:

-- I was printing on PEI.

-- The first layer was holding down GREAT. It's the second layer that wouldn't adhere to the first layer. SURELY bed adhesive wouldn't affect this...right?

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Jules
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Re: Inter-layer adhesion issue

Post by Jules » Thu Mar 31, 2016 3:14 am

Oh right - i forgot. Nope - won't help.

Slipshine
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Re: Inter-layer adhesion issue

Post by Slipshine » Thu Mar 31, 2016 3:14 am

But print speed and the extrusion multiplier will.

dramsey
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Re: Inter-layer adhesion issue

Post by dramsey » Thu Mar 31, 2016 3:16 am

Slipshine wrote:But print speed and the extrusion multiplier will.
So, slow the print speed? Extrude more or less?

Slipshine
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Re: Inter-layer adhesion issue

Post by Slipshine » Thu Mar 31, 2016 3:41 am

Set your speed to 2600 mm per min.
Then set yor perimeter speed to 50%.

You can speed it up later.

Then increase your extrusion multiplier by .02

Based on what I have seen with your project this will help.

And since know one has mentioned it. It would be easier to print if it was a chevy bowtie.

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PcS
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Re: Inter-layer adhesion issue

Post by PcS » Thu Mar 31, 2016 12:02 pm

Until you get.your z off set ...layer height ....and bed level spot on ....no amount of advice will help.

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Jules
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Re: Inter-layer adhesion issue

Post by Jules » Thu Mar 31, 2016 12:28 pm

PcS wrote:Until you get.your z off set ...layer height ....and bed level spot on ....no amount of advice will help.
Too true.....How'd the temp blocks come out? (Now you've got me quite curious, and that's a dangerous thing.... :lol:)

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sthone
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Re: Inter-layer adhesion issue

Post by sthone » Thu Mar 31, 2016 1:01 pm

PcS wrote:Until you get.your z off set ...layer height ....and bed level spot on ....no amount of advice will help.
Same old story :D you can lead a horse to water...............
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See my projects at https://www.theneverendingprojectslist.com

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PcS
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Re: Inter-layer adhesion issue

Post by PcS » Thu Mar 31, 2016 1:01 pm

Shinier as temp goes up. Hard to tell by these photos though.
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