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ABS not sticking all of a sudden

Posted by RC-CnC

RC-CnC

ABS not sticking all of a sudden
March 20, 2018 09:18PM

Registered: 10 years ago
Posts: 87

Been printing a couple weeks with ABS and kapton tape 240/110 deg. Prints have been perfect. Turned on the printer tonight first layer wont stick.
Releveled to .2mm and .1 mm No
Cleaned surface No
Changed kapton tape No
Tried lowering temp settings No

Nothing I do seems to make a difference

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JustSumGuy

Re: ABS not sticking all of a sudden
March 20, 2018 11:33PM

Registered: 6 years ago
Posts: 262

I had good results in summer with ABS then all of a sudden it went for shit.

Turned out the seasonal relative humidity change was all it took.. I could compensate by turning the heat way up in the room, or have a chamber heater would work too.

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RC-CnC

Re: ABS not sticking all of a sudden
March 21, 2018 12:13AM

Registered: 10 years ago
Posts: 87

I have a anycubic ultrabase I think im going to try

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whosrdaddy

Re: ABS not sticking all of a sudden
March 21, 2018 02:56AM

Registered: 6 years ago
Posts: 60

Maybe you have greasy fingerprints on the tape?
I always clean the tape after a print with hot water or isopropyl alcohol and microfiber cloth.

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JustSumGuy

Re: ABS not sticking all of a sudden
March 21, 2018 11:15AM

Registered: 6 years ago
Posts: 262

Quote
whosrdaddy
Maybe you have greasy fingerprints on the tape?
I always clean the tape after a print with hot water or isopropyl alcohol and microfiber cloth.

good point, always give a wipe with alcohol between prints!

step one, heat bed a bit.
step two, wipe with isopropyl alcohol.
step three, do some printing.

every time smiling smiley

Edited 1 time(s). Last edit at 03/21/2018 11:16AM by JustSumGuy.

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RC-CnC

Re: ABS not sticking all of a sudden
March 21, 2018 11:45PM

Registered: 10 years ago
Posts: 87

I replaced the kapton tape today and bought some acetone.
Re leveled the bed .1mm in each corner and slowed down the first layer speed.
Seems to be working but still not as good as before