1 Topic by RavensCrest (edited by RavensCrest 2013-08-17 03:03:27)

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Topic: About the new motor on http://filastruder.com/

congrats on completing all the kickstart kits, I am a little concern about the price point for your new kit, i hope you don't burn out from answering all those trouble-shootings.

So, the new motor, twice as fast, does that equate to twice as fast filament output?
is there a number for inch(cm) per minute for this new motor?

thank you

Solidoodle2 with Ceramic tile heated bed http://www.soliforum.com/topic/2544/my- … eated-bed/
"1kg should last for an while" is a lie!

2 Reply by elmoret

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Re: About the new motor on http://filastruder.com/

What about the price point concerns you?

Twice as fast refers to filament output speed. Filament output speed is dependent upon a number of factors, but with MG94 at 185C, you should expect around 15in/min on 1.75mm filament.

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3 Reply by RavensCrest

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Re: About the new motor on http://filastruder.com/

thx for the rate.

And about the price... let's just say, your competitior are charging a lot more... ^_^ (i should shut up now... keep it low, just in case my broke and needs a replacement.)

Solidoodle2 with Ceramic tile heated bed http://www.soliforum.com/topic/2544/my- … eated-bed/
"1kg should last for an while" is a lie!

4 Reply by crisdo98

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Re: About the new motor on http://filastruder.com/

Considering early adopters paid $200 bucks I agree that it's far too cheap especially with the upgraded motor.

That's the other frustrating bit. We've not gotta pay another $100 to get the new motor upgrade so in fact pay a lot more then those that waited.

5 Reply by elmoret

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Re: About the new motor on http://filastruder.com/

Never thought I'd hear people complaining about the price being too low.

Filastruder - the robust, inexpensive filament extruder
E3Dv6 All Metal Hotend - the premier 3D printing hotend

6 Reply by Charles_Xavier

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Re: About the new motor on http://filastruder.com/

People want to make sure you are successful, and part of being successful is being sustainable. But I feel confident that you know what you're doing, so keep at it! smile

7 Reply by ysb

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Re: About the new motor on http://filastruder.com/

is it less loudy than the original beta motor ?

if yes, i will buy one just to change mine...

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8 Reply by elmoret

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Re: About the new motor on http://filastruder.com/

Yes, it is about 5dBA quieter. IanJohnson has both and can compare for you also.

Filastruder - the robust, inexpensive filament extruder
E3Dv6 All Metal Hotend - the premier 3D printing hotend

9 Reply by crisdo98

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Re: About the new motor on http://filastruder.com/

Does the new motor get hot.. mine is super hot to touch.. thinking of putting a fan on it?

10 Reply by elmoret

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Re: About the new motor on http://filastruder.com/

Warm, but not hot. A fan is a good idea if the motor is getting hot, it depends largely on what polymer you are extruding and at what temperatures. Lower extrusion temperatures result in hotter motors.

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11 Reply by crisdo98

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Re: About the new motor on http://filastruder.com/

Just running through the last of your test pellets. Running at 180C and getting the 1.75ish but the motor is too hot to touch.. I can turn it up to 190C and it runs faster but the filament is closer to 1.6mm.. I'm about to try some pellets that Craig got from Holland.. they have a lower MFI so I hope it's not a problem for the motor. May well have to lash out and get an upgraded motor!

If anyone is in the UK and is opting for an update please let me know so we can save on postage.

12 Reply by RavensCrest

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Re: About the new motor on http://filastruder.com/

crisdo98 wrote:

Considering early adopters paid $200 bucks I agree that it's far too cheap especially with the upgraded motor.
That's the other frustrating bit. We've not gotta pay another $100 to get the new motor upgrade so in fact pay a lot more then those that waited.

Ouch, i wasn't thinking about that... now it kinda sux that new comer will get better motor.. :-(
Elmoret, it's not too late to change it to "introductory price" like 300 with $70 off if you buy it NOW!

Solidoodle2 with Ceramic tile heated bed http://www.soliforum.com/topic/2544/my- … eated-bed/
"1kg should last for an while" is a lie!

13 Reply by Orb

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Re: About the new motor on http://filastruder.com/

crisdo98 wrote:

Running at 180C and getting the 1.75ish but the motor is too hot to touch.. I can turn it up to 190C and it runs faster but the filament is closer to 1.6mm.. I'm about to try some pellets that Craig got from Holland.. they have a lower MFI so I hope it's not a problem for the motor. May well have to lash out and get an upgraded motor!

Had a similar issue.  Running it hot enough to keep the motor from bogging way down and getting very warm, made undersized filament.

So, I had to open up the nozzle orifice a bit more, and run it hotter.  Less stress on the motor, and still getting within .05mm tolerance (between 1.75 and 1.8mm)  I also wired in a separate power supply for the motor, and am running it with an extra volt or two.  Faster, more accurate sizing and no motor problems now.

14 Reply by elmoret

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Re: About the new motor on http://filastruder.com/

Great advice. I went a bit smaller on stock nozzles to reduce the possibilities of jams in hotends from oversize filament, but if your hotend can handle the occasional 1.8mm, by all means open up the nozzle and run hotter!

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15 Reply by gr1f1th

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Re: About the new motor on http://filastruder.com/

Awesome man. Are you going to have time to finish up the filter soon? I wanted to purchase a filastruder with one.  I can wait a bit before ordering one if it's within a month or so.

16 Reply by elmoret

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Re: About the new motor on http://filastruder.com/

Filter has finished testing and will be going into mass production in the next week or two. We'll announce on the site once it is in stock and ready.

Filastruder - the robust, inexpensive filament extruder
E3Dv6 All Metal Hotend - the premier 3D printing hotend

17 Reply by gr1f1th

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Re: About the new motor on http://filastruder.com/

thanks! that's definitely an upgrade I'm looking forward to. Congats on fulfilling your KS!

18 Reply by RavensCrest (edited by RavensCrest 2013-08-21 15:22:15)

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Re: About the new motor on http://filastruder.com/

diassemble is going to be a b*tch

Solidoodle2 with Ceramic tile heated bed http://www.soliforum.com/topic/2544/my- … eated-bed/
"1kg should last for an while" is a lie!

19 Reply by elmoret

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Re: About the new motor on http://filastruder.com/

RavensCrest wrote:

diassemble is going to be a b*tch

It really isn't that bad.

New motor is the same exact mounting pattern. Pull the two screws out from the base, slide the motor off the feedscrew, swap the mount and coupling to the new motor, reinstall. I've swapped motors in 10 minutes. No more difficult than a jigsaw swap, that's for sure.

Filastruder - the robust, inexpensive filament extruder
E3Dv6 All Metal Hotend - the premier 3D printing hotend

20 Reply by RavensCrest

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Re: About the new motor on http://filastruder.com/

elmoret wrote:
RavensCrest wrote:

diassemble is going to be a b*tch

It really isn't that bad.

New motor is the same exact mounting pattern. Pull the two screws out from the base, slide the motor off the feedscrew, swap the mount and coupling to the new motor, reinstall. I've swapped motors in 10 minutes. No more difficult than a jigsaw swap, that's for sure.

was thinking about installing the filter...
In my mind, I can picture as soon as unscrewing the nozzle.. Hot ABS will be pouring down you leg... and pipe thread will be filled with abs and you won't be able to screw the nozzle back... :-(

Solidoodle2 with Ceramic tile heated bed http://www.soliforum.com/topic/2544/my- … eated-bed/
"1kg should last for an while" is a lie!

21 Reply by elmoret

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Re: About the new motor on http://filastruder.com/

Oh, I can swap nozzles in under 5 minutes. Hot ABS doesn't flow like you think it does.

1.) Heat to 180C
2.) Power off, remove thermocouple and back nozzle out 1/2 turn
3.) Loosen nozzle 1/2 turn every 60 seconds until free
4.) Install nozzle and thermocouple
5.) Heat up to 180C
6.) Ensure nozzle is tight (usually takes 1/2 turn here)

If you're worried about ABS flowing out  of the nozzle, just turn the extruder on its back, so it is sitting on the motor mount. Then gravity will keep the ABS in. smile

Filastruder - the robust, inexpensive filament extruder
E3Dv6 All Metal Hotend - the premier 3D printing hotend

22 Reply by RavensCrest

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Re: About the new motor on http://filastruder.com/

elmoret wrote:

Oh, I can swap nozzles in under 5 minutes. Hot ABS doesn't flow like you think it does.

1.) Heat to 180C
2.) Power off, remove thermocouple and back nozzle out 1/2 turn
3.) Loosen nozzle 1/2 turn every 60 seconds until free
4.) Install nozzle and thermocouple
5.) Heat up to 180C
6.) Ensure nozzle is tight (usually takes 1/2 turn here)

If you're worried about ABS flowing out  of the nozzle, just turn the extruder on its back, so it is sitting on the motor mount. Then gravity will keep the ABS in. smile

where is the like button. lol

Solidoodle2 with Ceramic tile heated bed http://www.soliforum.com/topic/2544/my- … eated-bed/
"1kg should last for an while" is a lie!

23 Reply by laird

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Re: About the new motor on http://filastruder.com/

elmoret wrote:

Oh, I can swap nozzles in under 5 minutes. Hot ABS doesn't flow like you think it does.

1.) Heat to 180C
2.) Power off, remove thermocouple and back nozzle out 1/2 turn
3.) Loosen nozzle 1/2 turn every 60 seconds until free
4.) Install nozzle and thermocouple
5.) Heat up to 180C
6.) Ensure nozzle is tight (usually takes 1/2 turn here)

If you're worried about ABS flowing out  of the nozzle, just turn the extruder on its back, so it is sitting on the motor mount. Then gravity will keep the ABS in. smile

Am having trouble doing the above, specifically I can't get the nozzle to turn off of the larger, short pipe that it's screwed into. Instead, the short pipe (with the heater) unscrews from the long pipe that runs back to where the plastic feeds in. The challenge, I think, is that there's nothing to grip on the short pipe, so while the wrench turns the hexagonal nozzle just fine, the pipe turns freely, and there's apparently more friction in the threads between the nozzle and the short pipe than between the short pipe and the long one.

Any suggestions for how to get the nozzle to unscrew instead of the short pipe? Is there a kind of wrench that's more gripping on a steel pipe?

24 Reply by elmoret

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Re: About the new motor on http://filastruder.com/

Here's what I use:

http://thadmills.com/blog/wp-content/uploads/2013/04/421-SAFE-T-STOP™-Straight-Jaw-Plier.jpeg

Filastruder - the robust, inexpensive filament extruder
E3Dv6 All Metal Hotend - the premier 3D printing hotend

25 Reply by laird

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Re: About the new motor on http://filastruder.com/

As a separate issue, I'm having trouble ever since I swapped the original motor for the newer/faster one. In swapping the motors, the washers were crushed, so I switched to the 3/32" pin that Elmoret sent (thanks!). Unfortunately, the pins didn't work for long. I noticed that the motor axles for the two motors are different - the "flat" on the old motor is much larger than the "flat" on the new motor, which is very nearly round. I also noticed that the pins are quite loose between the motor axle and the square end of the hex socket. Perhaps because of this, the pins didn't work with the new motor - after making it around one or two times, they basically rolled around the motor axle and wore down.

Tomorrow's trip to the hardware store I think I'll try one size larger (1/8") to see if that fits more tightly.

I suspect that the underlying issue is a blockage, and hopefully I can get the nozzle off and clear that out. Because "let it soak up heat, then push it through" isn't working.