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"PLA quality" Topic


14 Posts

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519 hits since 17 Mar 2019
©1994-2019 Bill Armintrout
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UshCha17 Mar 2019 2:00 p.m. PST

I have taken some risks lately. Almost from the start I have been buying OEM PLA. Makerbot's own in the UK was £50.00 GBP per kg plus postage. I settled for a while on another source at £20.00 GBP to £22.00 GBP for a kg. No problems. I then went to ALDI PLA £12.00 GBP plus postage still no problem. Latest is EBAY special £11.98 GBP including postage, still no problem.
What is the minimum you need to pay before it becomes a problem?

Personal logo TheWhiteDog Supporting Member of TMP17 Mar 2019 2:16 p.m. PST

I stick with Hatchbox for most of my stuff. Never had a problem, and any cheaper doesn't justify the risk of failure to me.

Personal logo Bashytubits Supporting Member of TMP17 Mar 2019 2:42 p.m. PST

The biggest issue I have found with switching around PLA manufactures is that every one of them requires a different temperature setting to get to the optimal extruding setting. Even going to a different color with the same manufacturer sometimes requires an adjustment.

UshCha18 Mar 2019 1:19 a.m. PST

interesting, all my printing has been at 230 deg c reradless of make, so its no issue for me.

bsrlee18 Mar 2019 2:04 a.m. PST

The problem with 'cheap' filament is the lack of quality control by the vendor – one week it will be good but the next roll will be filled with horror – square filament or inconsistent thickness which seem to be common, giving all sorts of feed problems, causing failures with no apparent cause.

UshCha18 Mar 2019 6:06 a.m. PST

bsrlee, again interesting, when I had the printer some years ago I had a problem. However my last two cheap sets have worked fine. How much do you pay for yopr fillament in 1kg/2.2 lb reels, include tax for this purpose?

emckinney18 Mar 2019 8:20 a.m. PST

Read the title and clicked the link, expecting a discussion on the Ultra-Modern board about the Chinese army!

UshCha18 Mar 2019 4:21 p.m. PST

On the 3D print Board????

Camcleod18 Mar 2019 5:46 p.m. PST

Hi from Canada.
I've been buying my PLA from Amazon, $25.99 USD Canadian dollars per 1kg Spool – about 14.68 GBP.
Not a lot of problems so far, white and black work great, but grey seems to have adhesion problems at thicker layers.

UshCha19 Mar 2019 5:57 a.m. PST

Camlod, what soert of print bed do you use? We use a LEXON or similar unheated bed. The only issue is if we have not used an area for a while it seems to need a quick run over with a bit of wire wool, I have never had a problem with different coloures, go figure? After maybe a year we change it as it has too much Adhesion as it gets roughed up with use.

Camcleod20 Mar 2019 6:57 a.m. PST

I'm using a heated bed for my Ender 3.
I've heard that some use a glass or other bed to compensate for a warped bed but mine is quite flat.
I should experiment with different bed temps to see if it makes any difference.

Cliff

Personal logo Bashytubits Supporting Member of TMP30 Mar 2019 9:05 p.m. PST

I use a borosilicate glass bed. So much easier to remove prints.

UshCha30 Mar 2019 11:39 p.m. PST

To be honest PLA is not that bad for retention, its other materials like ABS that a heated bed is vital. I've looked at a glass bed but in the end never bothered I have minimal adhesion problems anyway.

UshCha30 Mar 2019 11:41 p.m. PST

To be honest PLA is not that bad for retention, its other materials like ABS that a heated bed is vital. I've looked at a glass bed but in the end never bothered I have minimal adhesion problems anyway.

interestingly the cheapedt PLA so far has had excellent results, the ALDI PLA is certaily in the natural coloure honest, so good on very fine detail, but has been otherwise OK.

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