1 Topic by AZERATE (edited by AZERATE 2014-02-21 01:28:13)

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Topic: mk5 problems

Just removed the stock acrylic and I'm having the following problems:

*Filament doesn't line up with peak after being pulled
*Filament starts bending between gear and peak
*Filament jumps "off track" and flows freely as it bends
It seems the motor needs to move toward the body by about 1.5mm, or the peak toward the back the same distance.

I lowered my temp to 192c and running 102/1115 for feed/flow.
Any help? Please?!

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2 Reply by wardjr

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Re: mk5 problems

You need to loosen the set screw on the drive gear and align it with the hole in the top of the E3D.  If the tension arm bearing needs to be moved forward you can just move both washers to one side.  The filament needs to be traveling straight.  Hope this helps and be careful to not strip out that set screw.

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3 Reply by AZERATE

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Re: mk5 problems

Thank you very much for the drive gear info...I saw the screw, but never knew it's intent. smile

BUT!...It is skipping steps. And I KNOW for a fact I do not have a clog. I just cleared a massive one 4 hours ago with a torch and poker, then soaked it in acetone, finally scraping the barrel one last time for good measure.
It is cleaner than a whistle.

I needed to print an extended Z stopper before installing my E3D...And this is throwing a wrench in the proverbial gears. sad

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4 Reply by wardjr

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Re: mk5 problems

Just put the z-screw in upside down.  It harder to adjust but once it's set it should be fine. Mine has been that way for close to a year and I have no plans to change it.

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5 Reply by Tomek

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Re: mk5 problems

For what its worth, I've been going four months without problem, having simply double-sided tapped a .2" piece of balsa wood on my z  end-stop microswitch. Kind of embarrassing, but it has been working flawlessly...Too many other things to do tongue

6 Reply by AZERATE

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Re: mk5 problems

wardjr wrote:

Just put the z-screw in upside down.  It harder to adjust but once it's set it should be fine. Mine has been that way for close to a year and I have no plans to change it.

*hits head on desk* It completely slipped my mind. I've seen some people do that and I just never put 2+2 together. I'll be soldering my connectors today for the E3D.
But on the other note, what could be causing this excessive clogging?? While searching through my settings, I saw my filament was set to 3. I measured the filament and punched in 1.78. I had the best print to date, then when I ran it again for further tests is when the clogs started. Could it be that I have to raise that filament number a smidge?

Two clogs in one day is redonk.

Printit Mason and Printit Horizon printers
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7 Reply by wardjr

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Re: mk5 problems

Having your diameter set to three will definitely cause problems.  That should be set based upon a measurement of the filament your actually using. I think it is time to do some real calibrations on your extruder.  Is it your Stock hot end that is clogging?

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8 Reply by AZERATE

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Re: mk5 problems

It is the stock, yes. I hate it and wish it doom. smile
I have not calibrated the extruder since the last RH update...I posted on a thread that it was giving me some radical number, so I guestimated and blind-set the calibration. It has worked perfect without a clog for close to a month.

But AFTER I measured the filament and changed it FROM 3 is when I started having issues now.
You make sense with the calibrations, and I am usually on top of all that jazz, with RH won't calibrate properly for me in the newest version. Maybe it's because I no longer have any heatbreak above the hot end? Could that be causing the heat to get to the filament and softening it before it flows through the barrel?

Printit Mason and Printit Horizon printers
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Filawinder and Filastruder #1870.....worth every penny!

9 Reply by wardjr

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Re: mk5 problems

AZERATE wrote:

It is the stock, yes. I hate it and wish it doom. smile
I have not calibrated the extruder since the last RH update...I posted on a thread that it was giving me some radical number, so I guestimated and blind-set the calibration. It has worked perfect without a clog for close to a month.

But AFTER I measured the filament and changed it FROM 3 is when I started having issues now.
You make sense with the calibrations, and I am usually on top of all that jazz, with RH won't calibrate properly for me in the newest version. Maybe it's because I no longer have any heatbreak above the hot end? Could that be causing the heat to get to the filament and softening it before it flows through the barrel?

I guess I am confused... If you own the E3D and you have an MK5 why are you even messing around with the stock hot end.  Switch it out and hang the stock hot end on the wall as a reminder of how much you hated it. smile
As far as calibrations go with the E3D you need to make sure that 100mm's called for = 100mm's Delivered.  Your filament  diameter needs to be real close to actual diameter and your extrusion multiplier is going to be real close to 1.

Printit Industries Model 8.10 fully enclosed CoreXY, Chamber heat
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Thanks to all for your contributions

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10 Reply by wardjr

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Re: mk5 problems

Trust me when I say you are going to have to recalibrate that extruder.  So don't waste time trying to calibrate the old one.

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11 Reply by AZERATE

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Re: mk5 problems

Trusted.

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12 Reply by AZERATE

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Re: mk5 problems

Installed E3D and I LOVE IT!
BUT!...the filament keeps bending after passing the filament guide on the mk5! ggrrrrr

I have calibrated the extruder and is within .05 tolerance.
I have tried lowering the heat; from 195(stock hotend) to 185*E3D
I began a print when it seemed fix, ran beautifully, but filament bent past gear before traveling into the barrel.
Has anyone had this? Am I doing something wrong?
I am tempting to spend the cash to have a nearby 3D print shop make one of Boz's E3D/mk5 body/filament guide tomorrow...but they rape on prints.

Any help? Wardjr? Adrian? Lawsy? Anyone???

Printit Mason and Printit Horizon printers
Multiple SD2s- Bulldog XL, E3D v5/v6/Lite6, Volcano, Hobb Goblin, Titan, .9 motor, Lawsy carriages, direct Y drive, fishing line...the list goes on
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13 Reply by wardjr

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Re: mk5 problems

Check your PM

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14 Reply by AZERATE

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Re: mk5 problems

I am posting this as a reference to anyone who may have this problem.
It turns out that I had not been heating the hot end enough. My SD stock would run at 195, and the E3D is now humming at 220. It seems I no longer have any feed/flow issues, and the filament is extruding smooth. It appears the heating element was not melting the filament as fast as it was extruded, causing it to flow elsewhere.

Sincerely hope this helps!
All thanks to wardjr

Printit Mason and Printit Horizon printers
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15 Reply by adrian

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Re: mk5 problems

^ yes; because Solidoodle's default hotend setup measures the Nozzle temp - every other extruder pretty much measures the heaterblock. Hence why solidoodle temps are 25-30° less than the temps they talk about for repraps.
This factoid I thought by now should have been done to death - so apologies for not pointing it out...

In fact 220 is probably still a touch low - I print ABS (of several vintages and sources) at 230-240 on my E3D's .

16 Reply by wardjr

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Re: mk5 problems

adrian wrote:

^ yes; because Solidoodle's default hotend setup measures the Nozzle temp - every other extruder pretty much measures the heaterblock. Hence why solidoodle temps are 25-30° less than the temps they talk about for repraps.
This factoid I thought by now should have been done to death - so apologies for not pointing it out...

In fact 220 is probably still a touch low - I print ABS (of several vintages and sources) at 230-240 on my E3D's .

Keep in mind he still hasn't gotten his firmware changed and needed to print.

Printit Industries Model 8.10 fully enclosed CoreXY, Chamber heat
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17 Reply by AZERATE

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Re: mk5 problems

I left off 2 nights ago unable to manually control motions in any direction, but last night I regained control. I did 2 nice prints and the E3D ran beautifully. But as I went to test it for a third time, nothing would heat up.
I have deduced that the printer is in good shape, but the computer files are jacked up.
Looks like a click&save weekend for me!

Printit Mason and Printit Horizon printers
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18 Reply by AZERATE

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Re: mk5 problems

adrian wrote:

^ yes; because Solidoodle's default hotend setup measures the Nozzle temp - every other extruder pretty much measures the heaterblock. Hence why solidoodle temps are 25-30° less than the temps they talk about for repraps.
This factoid I thought by now should have been done to death - so apologies for not pointing it out...

In fact 220 is probably still a touch low - I print ABS (of several vintages and sources) at 230-240 on my E3D's .

Yeah...that was entirely my mistake! After two beers and wrangling my 1 year old daughter, I wasn't compensating for temps properly. I think I have my max temp set at 230c, so I will try that tonight (if it will heat up again)

Printit Mason and Printit Horizon printers
Multiple SD2s- Bulldog XL, E3D v5/v6/Lite6, Volcano, Hobb Goblin, Titan, .9 motor, Lawsy carriages, direct Y drive, fishing line...the list goes on
Filawinder and Filastruder #1870.....worth every penny!

19 Reply by AZERATE

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Re: mk5 problems

Color and consistency is back to my last (and best) stock hotend print.
Thank you adrian.

And I was most recently running 225/90. I have found that I have to shut down my computer AND printer between each print. If I attempt to reheat after a print, the temp dies off immediately after I hit "Run Job". But I am certain this is a firmware issue.

Printit Mason and Printit Horizon printers
Multiple SD2s- Bulldog XL, E3D v5/v6/Lite6, Volcano, Hobb Goblin, Titan, .9 motor, Lawsy carriages, direct Y drive, fishing line...the list goes on
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20 Reply by FordGalaxie

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Re: mk5 problems

When I first started using ABS on my brand new E3d I had the exact same issue where I came back an hour after the print started flawlessly just to find a foot of filament in a long loop coming through the extruder gear out in a big loop in the print area and back down into the peek, obviously not flowing anymore with the printer jumping around in mid air!  I just upped my extruder temp to 225 (Was getting good prints at 215-220) So I would be interested to hear how your prints at 230 go!