Hans makes a build thread for a Rostock Max V2

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geneb
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Re: Hans makes a build thread for a Rostock Max V2

Postby geneb » Sun Oct 22, 2017 9:21 am

Check your wiring connections, just to make sure you don't have something coming loose. Also, if you've got Kysan motors in your v2, you need to bump the drive current for the stepper motors to nearly twice what's listed for the current motors.

g.
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Re: Hans makes a build thread for a Rostock Max V2

Postby Hans » Sun Oct 22, 2017 10:51 am

Drive motors are doing fine, I'm starting to think it's a nozzle issue more than anything else at this point, switching to the spare 0.8mm is working right now at normal temps.

The threads on my 0.4mm are very badly tarnished and look to have some burnt on carbon, so possibly it's not transferring heat properly from the heater block to the nozzle itself. Definitely not clogged, I did clean it out completely and that didn't improve on my current issues. While the 0.8mm is printing, I have a few things that MUST get done, then I'll get back to further diagnosis.

Starting to get really jealous of the new firmware features, I wonder if I can put an accelerometer on here while keeping the E3D hot end.

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Re: Hans makes a build thread for a Rostock Max V2

Postby geneb » Mon Oct 23, 2017 9:13 am

Yep. In fact, there's a printable mount for it on Repables.com, or you can get one of the 713 Maker adapter kits. Either way, it's pretty easy to use the accellerometer probe with an E3D.

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Re: Hans makes a build thread for a Rostock Max V2

Postby Hans » Mon Oct 23, 2017 10:38 am

Guess my search talent is failing me today, can't find that mount on repables.

The 713 stuff sure looks nice though.

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Re: Hans makes a build thread for a Rostock Max V2

Postby barry99705 » Mon Oct 23, 2017 8:06 pm

Not on repables, but this is the one I'm using.
https://www.thingiverse.com/thing:2098268
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Re: Hans makes a build thread for a Rostock Max V2

Postby Hans » Tue Oct 24, 2017 6:46 pm

Ahh, now I see it, the accellerometer board mounts on the top of the hot-end. I thought it mounted down near the nozzle.

Is it compatible with the Rambo board in the V2? Not seeing much from folks who have done the conversion in the older machines.

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Re: Hans makes a build thread for a Rostock Max V2

Postby Xenocrates » Tue Oct 24, 2017 9:26 pm

A rambo's a rambo. Should plug in exactly the same, although you may want to use shielded wire for this, as while I2C is only used to setup the accelerometer from my understanding, I2C is also not particularly noise resistant, having been designed for inter-Intergrated circuit interconnects as the name implies, and thus mostly for use on the same board or a reasonably adjacent daughterboard. In general though, all signals should be in shielded cables for best practices (and not doing so is mostly a cost optimization, as most signals can tolerate ambient noise)
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Re: Hans makes a build thread for a Rostock Max V2

Postby barry99705 » Wed Nov 08, 2017 12:43 pm

There's an upgrade guide on seeme's site for the board. I'm running it with a V6 hot end.
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Re: Hans makes a build thread for a Rostock Max V2

Postby Hans » Sat Nov 18, 2017 2:40 pm

Well, I'm stumped. I have 4 rolls of ABS, none of them have given me issues before, but I just still keep getting clogging with a .4mm nozzle, which was never a problem till a couple months ago. New nozzle, new themistor, plenty of heat, .8mm is just fine.

Odd.

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Re: Hans makes a build thread for a Rostock Max V2

Postby geneb » Sun Nov 19, 2017 9:23 am

Keep in mind that the smaller the nozzle, the slower the print speed has to be.

g.
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Re: Hans makes a build thread for a Rostock Max V2

Postby Hans » Wed Nov 22, 2017 12:16 pm

geneb wrote:Keep in mind that the smaller the nozzle, the slower the print speed has to be.

g.


That's the confusing part, I've been printing for 3-4 years with a 0.4mm nozzle, and didn't change my settings. It just suddenly started clogging up all the time.

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Re: Hans makes a build thread for a Rostock Max V2

Postby Hans » Wed Nov 22, 2017 10:38 pm

I'm starting to think the issue may be in the extruder. It just slips and skips so easily right now, and once that happens it starts grinding into the filament and that's all she wrote.

Going to pull it apart tomorrow and take a closer look.


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