Any reason NOT to have a hardened steel nozzle?  

Page 2 / 2
  RSS
ed
 ed-3
(@ed-3)
Reputable Member

@adrian.g8 I hope you get it sorted out. FWIW, I went the Bear route for my extruder and X-axis and a cooling nozzle I worked up, (there are others that are said to perform better) and am much happier with it. I'm also not big on the angled blower mount. At present it won't accept the new filament sensor but the old one works okay for me...

https://github.com/gregsaun/bear_extruder_and_x_axis

Posted : 21/02/2019 5:47 pm
adrian.g8
(@adrian-g8)
Active Member




I just got a .4mm Nozzle-X and I'm having trouble getting it set up perfectly. It doesn't transfer heat from the block very well so at high speeds (above ~100mm/s) it starts underextruding and having delamination issues. Right now the winner seems to be ~150mm/s at 220C for PLA, but I haven't finished experimenting with it.

Been running one for a couple of weeks now and am starting to think it performs better if I increase the temps by ~10C from what I usually print at though have to say I haven't experienced the issues you are having even at lower temps.

I'm only getting these issues on larger parts where the printer can accelerate to its max speed, on smaller parts I have few issues printing at "normal" temperatures.

The update no one asked for:
I ordered a copper block after seeing someone mention on Reddit that it helped with the regular hardened nozzle and I am no longer experiencing any issues while using the default settings.

Posted : 04/04/2019 11:50 pm
CybrSage
(@cybrsage)
Honorable Member

Thanks for the update!

Posted : 10/04/2019 10:27 pm
scott.b47
(@scott-b47)
Trusted Member

Just upgraded to a Nozzle X and copper block myself last week. Running with temperatures unchanged from my stock setup.

If anyone is curious, I made a somewhat long-winded video of the process and evaluated some prints before and after:

Posted : 15/04/2019 6:45 am
Lucas G. and CybrSage liked
appie.d
(@appie-d)
Active Member

Tried the Nozzle X for a few days. Did about 20 prints and had 2 jams. It was a mix of PLA and FormFutura Stonefill PLA. They work both fine for many years on brass or MicroSwiss hardened steel nozzles with brass as downside they wear over some time using stonefill. But jams? No. And the MS hardened Nozzle still works fine after 1.5 years of use. Quite remarkable. I do have to increase the temp by about 5C, but otherwise very consistent. Actually noticed I had to increase the temp by 5C with the Nozzle X as well.

So i'm not convinced in what the Nozzle X is supposed to sell what other Nozzles can't do already, and in my experience better too. Bought it at the official E3D amazon store, so it wasn't a knock-off or something. Sent it back.

Posted : 20/10/2020 3:11 pm
bobstro
(@bobstro)
Illustrious Member
Posted by: @appie-d

[...] So i'm not convinced in what the Nozzle X is supposed to sell what other Nozzles can't do already, and in my experience better too. Bought it at the official E3D amazon store, so it wasn't a knock-off or something. Sent it back.

I think Nozzle-X is the victim of marketing hype. While E3D describes it as "one nozzle to rule them all", it's still hardened steel. The coating is great, the nozzle itself is fine. It just doesn't offer much more than any other hardened nozzle and the same thermal characteristics, so the value just isn't there unless you're printing very high-temperature filaments. Nothing wrong with it, and I'm personally not sending mine back, but they don't offer mind-blowing results for the money. Provided I've got one in the correct size, I tend to keep some sort of coated nozzle mounted at all times.

 

 

This post was modified 1 month ago by bobstro
My notes and disclaimers on 3D printing and miscellaneous other tech projects
He is intelligent, but not experienced. His pattern indicates two dimensional thinking. -- Spock in Star Trek: The Wrath of Khan...
Posted : 20/10/2020 3:17 pm
bilizhang
(@bilizhang)
New Member

My experience is
If it is assumed that the heat capacity of each nozzle is limited, then the variable is set to the thermal conductivity
Obviously copper is larger than steel, but in fact, the two nozzles are not much different when it is within 250 degrees, which means that this nozzle will only limit the maximum speed and there is no other so-called reason
Of course this is a guess
For non-native speakers, please forgive me for grammar.

Regarding the difference between the two nozzles on the model, I think it does not exist. Even if there are slight changes in temperature and flow, it is actually invisible to the naked eye, and it is negligible compared to the shrinkage.
So my opinion is, if you can, please replace it. The longevity and abrasion resistance are worth it, but it’s better to replace the ordinary one. X is more like an advertising product.
For users who need high-speed printing [> 80-100mm / s], do not doubt that they use copper nozzles

Posted : 29/10/2020 6:32 pm
bilizhang
(@bilizhang)
New Member

Of course, remember to calibrate the flow rate of the extruder after replacing the steel nozzle. For this, you can go to youtube to view the 【Teaching Techniques】.

And increase the temperature by 5 degrees.

Posted : 29/10/2020 6:44 pm
--
 -2
(@-2)
Illustrious Member

I just broke down and invested in a Silicon Carbide nozzle - need to print some true carbon fiber PC filament. Carbide has the hardness of steel plus the heat transfer of brass. So no changes to profiles 'should' be needed. But, did U say 'expensive'?

It is always wise to get more than one opinion... as for trusting Prusa? No way man....
Posted : 29/10/2020 7:21 pm
gkas
 gkas
(@gkas)
Trusted Member
Posted by: @tim-m30

I just broke down and invested in a Silicon Carbide nozzle - need to print some true carbon fiber PC filament. Carbide has the hardness of steel plus the heat transfer of brass. So no changes to profiles 'should' be needed. But, did U say 'expensive'?

I have this nozzle, and I'm extremely satisfied with it. I replaced a hardened steel nozzle. I have not had to change the original nozzle settings with this SC nozzle. I always had to change temps with the steel version. I print Priline PC  CF with not problems.

Posted : 29/10/2020 11:11 pm
-- liked
Page 2 / 2
Share:

Please Login or Register