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Topic: Printer Questions

I wanted to know what I should consider doing to my printer when I receive it.  A few of the things I have questions on are:

An extruder duct fan.  I'm not too keen on replacing my entire board with the panelolu just for the sake of being able to change settings on the fly, but the ability to have a gcode controlled fan is intriguing.  I wanted to know if this would be the best way to attach a fan, or if gcode controlled is really necessary.

Also on the panelolu, is it able to do anything that I'm not able to do with controlling it with a pc?


On dialing in the printer, should I invest in a dial gauge such as the one Ian has or would the recommended paper slipping way do the trick? 

I know I should be investing in a pair of calipers atleast to check filament diameter.



Thanks for all the help thrown my way!

2 (edited by Cwalster 2012-11-16 04:18:12)

Re: Printer Questions

I have not yet added the Gcode fan, but you can mod your sanguino to add it. So far, i have not seen the need for it, but i deal with large prints that don't need cooling. Small figurine type prints its very useful.

To my knowledge, you can do anything on a pc that a panelolu can (mines arriving next week). However, running without a computer removes a failure point, which can be very useful for large prints.

Dial indicators are much more precise at making sure your bed is level, and its really the only way, short of making many calibration prints, to calibrate your X-Y steps. I just bought a cheap ten dollar off amazon, does the job. But for quick checks, paper rocks.

Word of advice: don't skimp on your calipers. Buy a good pair of digital calipers if your not a metric nut. This goes double if your trying to do dimensionally correct work. Treat them with kid gloves.

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Re: Printer Questions

Panelolu offers no additional functionality but makes some things a lot easier. Best part is the SD card unattended printing. Personally, I need my laptop for work every day so being able to leave a print going is fantastic. I don't have the desire to setup a dedicated computer even though I have a netbook sitting around doing nothing.

As for the fan, for a proper g-code controlled one, it's either that or the Panelolu at this stage. You don't have to replace the board with the Panelolu, it plugs into it and takes up pins that could run a fan. Perhaps you are confused by my guide where I mount the switch inside inside the panelolu case, but they are unrealated. My fan is a simple manual on/off setup. Ian has a guide on his blog for doing a dynamically controlled fan.

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Re: Printer Questions

Oh wow, yeah I didn't understand then!

So the Panelolu plugs into the sanguino(that's what the Solidoodle comes with to drive it?)

I felt like i had a grasp on this, now I feel like I'm stepping into a rabbit hole!

5 (edited by lawsy 2012-11-17 01:19:02)

Re: Printer Questions

You've got it now. The Sanguinololu is the electronics that runs the printer, and comes with a certain amount of unused pins. The Panelolu plugs into these and uses all of them, stopping the use of a fan as well.

I wrote this piece as a nice introduction to the 3d printing world, you might enjoy it:

http://www.soliwiki.com/3D_Printing_Har … ftware_101

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Re: Printer Questions

So no matter what I can't get away with not soldering on my Sanguinololu board, but I guess another question I have, is it possible to purchase an assembled panelolu so that I can just print a case and solder on my board.

I'm not the most comfortable with soldering but I'd be willing to practice to atleast get one thing done.

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Re: Printer Questions

You won't need to touch the Sanguinololu unless you are performing add-ons or upgrades. Any other adjustments can be made with a screw driver.

The Panelolu can be ordered with the rotart encoder already soldered but as can be seen in my guide, there is a lot of other fiddly stuff to do anyway.

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Re: Printer Questions

So step 9 of your guide says to solder pins into the board? Is that not nessecary?

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Re: Printer Questions

Yes this is true. However, this soldering is only expansion pins for the Panelolu to plug in to. If you butcher it the electronics will be otherwise unaffected.

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Re: Printer Questions

I'm sorry for the ill informed questions, but does that mean without soldering on those pins, I can't use a panelolu, right?

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Re: Printer Questions

Yes. Although someone might confirm that the newest printers might in fact have the headers already in place?

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Re: Printer Questions

My printer (serial # 1409, shipped last week) does not have the headers in. The good news is that my Panelolu arrived yesterday smile  Try soldering some old e-waste or a small perf board to sharpen up if your nervous about soldering. I would recommend a mintyboost kit from adafruit , as those require soldering but are great for starting out, and a handy item.

Grand Rapids, Michigan
SD2 with Sanguinololu board, glass bed mod, E3d_v5 bowden version hotend (currently direct drive), Lawsy Mk5 jigsaw replacement, octopi printserver, drv8825(tiny troubles)

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Re: Printer Questions

Coleke, were the holes filled in with solder, or did they come empty?

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Re: Printer Questions

They were filled in. If you don't have a solder sucker, copper wicking braid works pretty good too, though I would recommend desoldering some junk to practice first. I will be doing this  process sometime this week (hopefully).

Grand Rapids, Michigan
SD2 with Sanguinololu board, glass bed mod, E3d_v5 bowden version hotend (currently direct drive), Lawsy Mk5 jigsaw replacement, octopi printserver, drv8825(tiny troubles)

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Re: Printer Questions

Awh man, I woulda loved for there to be pins already.  But yeah, I've contemplated getting a mintyboost.  Might get one like you said to brush up.

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Re: Printer Questions

aFoote wrote:

On dialing in the printer, should I invest in a dial gauge such as the one Ian has or would the recommended paper slipping way do the trick?

Dial caliper is great, but it's chicken/egg.

you need to print the holder, but you need to setup the printer before printing.

I've been using feeler gauges,

these can be found for a few beer tokens in pretty much any car shop. they are normally used for checking the gap on spark plugs.

pretty much the same as the paper method, just a little more robust. (not going to tear)

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Re: Printer Questions

Feeler gauges eh? Can you link to like an amazon page? Or would I be able to run into an autozone or such and ask for it?

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Re: Printer Questions

It's like a Swiss Army knife with just different thicknesses of material. Here's some info and a pic:

http://www.reluctantmechanic.com/using- … _gauge.php

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Re: Printer Questions

they are pretty cheap on amazon.com
http://www.amazon.com/s/ref=a9_asi_1?rh … 1353512326

the metric ones are a little more expensive than the imperial ones. so just remember that 0.3mm = 0.011" if you go the imperial route.

Either option is just a few dollars. I'm in the UK and got mine on clearance in a halfords (auto chain shop) for £2

As it says in the article linked in the last post, these are used for setting valve clearance (which is why I got them when I was rebuilding the top end of a motorbike) and setting spark plugs distributor gaps etc.

in the modern world of electronic ignition and auto adjust valves you might find some of these at and old tool sale for next to nothing.