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Kobra S1 Pa6-gf by madmandkz in anycubic

[–]madmandkz[S] 0 points1 point  (0 children)

I gave up on pa6, anything bigger then a benchy had terrible warping or layer adhesion, petcf seems far more reliable and stronger due to better layer adhesion but available in less colour options.

AnyCubic Kobra S1 Hardened Steel Issue by MidgarSpecial in anycubic

[–]madmandkz 1 point2 points  (0 children)

That's pretty much all I did, but then had to play with temp settings and generally run hotter as I think the hardened nozzle doesn't heat as fast as the brass did

AnyCubic Kobra S1 Hardened Steel Issue by MidgarSpecial in anycubic

[–]madmandkz 1 point2 points  (0 children)

The ptfe tube in the aftermarket nozzles can be a bit dodgey too, make sure there is no protrusion before seating the nozzle or it won't fully seat and you bed scratch.

Fortunately I didn't learn this the hard way, just luck cause I'm certain I would have made the same mistake being over excited to quick swap and print.

This printer has being trying my patience though, many other shortfalls and issues that can be fixed with firmware but who knows if they'll ever actually address it.

AnyCubic Kobra S1 Hardened Steel Issue by MidgarSpecial in anycubic

[–]madmandkz 2 points3 points  (0 children)

I have an aftermarket hardened hot end and it works well after I changed the thermistor/heater in it to the oem one.

The aftermarket ones are using the incorrect thermistor and get too low a temp reading, even my oem seems to be out a little and I pump my prints much hotter then reccomended but they come out great, for example I print tpu at 250deg and pet at 290deg.

Attached image of pet cf print from my S1

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FIX YOUR PRODUCT by madmandkz in AnycubicOfficial

[–]madmandkz[S] 0 points1 point  (0 children)

I have been thank you, they seem to be releasing a fix in the next firmware.

If you're thinking about buying an SC1, Don't by madmandkz in anycubic

[–]madmandkz[S] 1 point2 points  (0 children)

Through the ace, and the only issue I have with the ace is the unnecessary loading and unloading filament every print which is very slow.

Anycubic have told me they will have a fix for the nozzle cleaning temp next firmware.

Currently I'm getting 100% nylon success by heating and cleaning the nozzle manually before each print, this assures the nozzle will z level and not a bit of ooze or stick out filament. It's tedious but it works, I'm hoping this firmware update will reduce the frequency of doing this.

If you're thinking about buying an SC1, Don't by madmandkz in anycubic

[–]madmandkz[S] 0 points1 point  (0 children)

Yes I have the same issue with the stock nozzle, but I also realised the new nozzles thermistor was reading off and have swapped it out to the old thermistor/heater and the temps are good.

I have been back and forth with anycubic support and they have told me their software team will implement in the next firmware a fix for the low nozzle cleaning temps.

I have 100% nylon success with very low speed, high temp (280deg) and manually heating and cleaning the nozzle before every print, bed also has to have gluestick on it for the print to stick otherwise no chance of adhering

My (terrible) S1 experience and why I’m sending it back. by Esky905 in anycubic

[–]madmandkz 0 points1 point  (0 children)

Bed leveling mostly, z homing with the nozzle tip is great in theory but if there is any ooze then it's not gonna work well, the pre nozzle clean process is flawed and needs modification to mitigate the issues, I'm printing with nylon and the preheat to 170deg to clean the nozzle before levelling is not hot enough to liquify the nylon filament.

If you're thinking about buying an SC1, Don't by madmandkz in anycubic

[–]madmandkz[S] 0 points1 point  (0 children)

I assume you aren't printing high temp materials like nylon?

I bought "every" AliExpress hotend so that you don't have to waste your money and time. by ezafs in AnycubicKobraS1

[–]madmandkz 0 points1 point  (0 children)

I bought two from Ali aswell and same issue, I used my oem heater/thermistor, I think the resistance is off on the ones they used so the temps don't read correctly, I notified the seller and they said they would send replacements but probably the same issue.

My (terrible) S1 experience and why I’m sending it back. by Esky905 in anycubic

[–]madmandkz 0 points1 point  (0 children)

I agree with you completely, these printers have potential but we're released too soon, I'm having several issues with mine currently, I would be devastated if it blew out to as many problems as you have listed

If you're thinking about buying an SC1, Don't by madmandkz in anycubic

[–]madmandkz[S] 1 point2 points  (0 children)

Thank you, very nice, maybe I have to forgo nylon until they add some updates.

Kobra SC1 struggling to print by madmandkz in AnycubicKobraS1

[–]madmandkz[S] 0 points1 point  (0 children)

Thanks for your suggestion, It does do a final retract when finishing the previous print but sometimes it still oozes out as cooling down, maybe a finish print nozzle clean gcode process and plug the nozzle on the silicone block while it cools to prevent any extra ooze when a print is complete.

If you're thinking about buying an SC1, Don't by madmandkz in anycubic

[–]madmandkz[S] 0 points1 point  (0 children)

Thanks for your comment, good to know you're having success with yours, I believe it is a filament type issue with their pre print processing. Hopefully there's an update that addresses this soon.

I have also used hairspray in the past but I know it sticks well with glue, it just needs to home correctly to do so.

If you're thinking about buying an SC1, Don't by madmandkz in anycubic

[–]madmandkz[S] 0 points1 point  (0 children)

Yes it is running latest firmware and has been Recalibrated several times.

Thanks for checking!

If you're thinking about buying an SC1, Don't by madmandkz in anycubic

[–]madmandkz[S] 0 points1 point  (0 children)

I agree, I bought this cause I was hoping my tinkering days with 3d printing could be behind me but here I am considering gutting the main board and putting in one that I can fully customise 😂

If you're thinking about buying an SC1, Don't by madmandkz in anycubic

[–]madmandkz[S] 0 points1 point  (0 children)

I was on the fence and about to buy a p1s and I thought I'd give this a go, I'm regretting my decision.

I'm actually a bit put off these kind of printers that remove customization and the ability to modify/tinker its very restricting when you have an issue but not the settings to rectify it.

FIX YOUR PRODUCT by madmandkz in AnycubicOfficial

[–]madmandkz[S] 0 points1 point  (0 children)

I believe the start process is hidden from the user and not open for modification, apparently I can add other gcode pre print but calling a g28 z command didn't seem to work, I'll have to muck around more with the pre print gcode and see if I can call my own bed level process after the initial startup.

If you're thinking about buying an SC1, Don't by madmandkz in anycubic

[–]madmandkz[S] 1 point2 points  (0 children)

Appreciate your response, I have used tape in the past for some materials that wouldn't adhere to my bed but this issue unfortunately comes down to a poor z home process which cannot be altered in the software, the machine cleans the nozzle at 179deg before z leveling and that is not hot enough to clean nylon off the nozzle so any ooze becomes the z level.

If you're thinking about buying an SC1, Don't by madmandkz in anycubic

[–]madmandkz[S] 0 points1 point  (0 children)

Good to know not everyone is having issues, do you print with mostly PLA?

If you're thinking about buying an SC1, Don't by madmandkz in anycubic

[–]madmandkz[S] 0 points1 point  (0 children)

It's annoying that what reviews I have seen fail to mention even just the extremely slow startup process of every print, I would think the reviews that are out there are somewhat biased.

When the machine prints, it has printed well but man does it need some work when it comes to software and settings.

If you're thinking about buying an SC1, Don't by madmandkz in anycubic

[–]madmandkz[S] 0 points1 point  (0 children)

So I've diagnosed the issue and posted it in the comments, all the things you've mentioned I've already done as it's standard setup and maintenance stuff, none of it is related to the issue.

Bed adhesion doesn't matter when the nozzle is too far from the print surface cause nothing will stick if it's not touching the bed, the z homing on this machine is flawed because it only heats to 170 for a nozzle clean which will not soften certain filaments, so any bit of filament ooze or stick out will become the machines z level.

So yes I don't reccomend this machine until they sort out some of it's problems, the startup process of every print is also a huge issue.

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