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Bowden Tube... Direct Drive Extruder... WHY?!

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Hello, 3D Printing friends! Today we're going to implement a REVERSE BOWDEN setup on an Ender-3 V2 with a BIQU H2 direct drive extruder. Depending on YOUR direct drive extruder, you may be able to do this, too!
BV3D Reverse Bowden Mount for Ender 3 Direct Drive
• www.thingivers...
Ender 3 Filament Spool Holder Adaptor v01
• www.thingivers...
Creality CR-10/Ender 2/Ender 3/Ender 4 Extended Extruder Arm with PTFE tube
• www.thingivers...
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#Ender3
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Опубликовано:

23 авг 2024

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Комментарии : 66

@warrensreptiles 3 года назад

Thank you for doing these videos. As a rookie in the printing realm your easy to understand information is priceless.

@BV3D 3 года назад

Hi Chris! Thank you, I'm glad you like the videos! 👍

@KillerQ 3 года назад

Yep - did this to my Ender 5 Plus as well. In like knowing that any unnecessary tension on the filament is now alleviated by the Bowden tube. Keep up the great content, Bryan!

@ianbertenshaw4350 3 года назад

For the moment I will stick with the original Bowden drive on my E3v2 - until something breaks or goes wrong with it anyway but I do have plans to fit a micro Swiss to it and make up a dry box that mounts under the bench that holds multiple rolls of filament and use a reverse Bowden like you have , I do this to printer I had before the ended and it worked well . I made a couple of clips to hold the filament to the side of the spool so I didn’t have to muck around with the little holes in the spool lip to stop the filament unraveling - Just unclipped the filament I wanted from the spool trim the end to 45deg and feed it up the Bowden tube - couldn’t be easier ! Thanks for the video Brian 😃

@jcfpv3454 2 года назад

I wanted to thank you for everything you have done for me in starting this new life in 3d printing

@karipenttila2655 3 года назад

More than allowing to locate spool where ever you want, when fixing the loose end of the tube, the pressure to pull the spool is now atr the fixing point, thus it does not affect the hotend, what it otherwise would do. If the direct drive hotend is not rigid enough pulling the filament with moving hotend causes artifacts to the printed object, reverse Bowden with fixed end at spool side removes that issue.

@3sotErik 2 года назад

I tried doing something I've never seen before. I made a bracket that connects where the extruder & stepper motor would be on the left side of a regular bowden setup. Then I mounted the extruder to the end of the bracket at the center of the bed. This allows me to use half as much bowden tube. The next mod I'm going to do is make a swivel so that the stepper motor can pivot at the end of that bracket, allowing me to cut yet another inch of tube off. I'm attempting to get the benefit of less drag/filament compression from a bowden tube but still not add weight like a direct-drive would.

@BV3D 2 года назад

That sounds *_REALLY_* clever! Thanks for sharing that! 👍🏻

@athmetropits 3 года назад

I HAVE A LITTLE NOTE ABOUT THE FRICTION THAT GROWS BETWEEN THE TUBE AND THE FILAMENT WE NEED TO MAKE SOME ADJUSTMENTS TO THE FLOW RATE AND THE RETRACTION SPEED AND LENGTH. NOT SO BIG PROBLEM BUT WE MUST MENTION IT.

@BV3D 3 года назад

That's an interesting observation. I wouldn't expect the friction be any greater than in a Bowden setup where the extruder is _pushing_ filament through the same length of tubing, compared to a reverse Bowden where the extruder is _pulling_ the filament. If it *does* seem to be a problem, a thin-wall Bowden tube can be purchased, with a 4mm outside diameter and a 3mm inside diameter. This doesn't affect performance in a reverse Bowden configuration because it's simply guiding the filament to the extruder. And because of the increased inside diameter, there would be very little friction.

@rich1051414 Год назад

I wonder if one could put a very lightweight anemic direct drive extruder combined with a bowden tube extruder to combine the best of both worlds, keep the hotend assembly light while also having the extrusion control of direct drive. I was so unhappy with my 'upgraded' direct drive, I went back to Bowden tube. I also got rid of the dual gear system because I found I could get my single gear extruder grippy enough to cause the stepper to skip, so I had nothing to gain but banding when I used a dual gear, I assume because of the unique symmetrical way it chews up filament, the amount that is extruded oscillates and lowers print quality. Either that or it increased friction in the Bowden tube and that caused the extrusion variances. I feel like either my printer is from another universe or I am simply ignorant/don't care about whatever advantages those 'better' systems bring. With the tighter Capricorn Bowden tubes, I can even print flexible, but I have to run at a slower speed than I had to with a direct drive. That is the only reason I am curious about some solution that could combine the best of both worlds.

@henricoderre 2 года назад

Creality also has an affordable modular direct drive extruder. I'm trying it out now. It is the first mod on my new E3V2 printer, and the printer has not been used yet. This is my second E3V2 printer. My older printer still has the Bowden setup. I am not impressed with the Bowden tube extruder system. Creality's direct drive comes with all the necessary installation hardware parts. The package simply includes a photo identifying the ports on the v4.2.2 motherboard, and no instructions. However, installation is rather straightforward, and could be done in about an hour. After removing the extruder stepper motor, stock Bowden tube, and hot end from the X-axis gantry, I continued to disconnect the prior from the motherboard. Then, I installed the direct drive connections to the motherboard. The connections are identical to the stock equipment. Once finished, I only had to readjust the E-steps which were only slightly off. I need to tweak the printer a bit, i.e. bed-levelling, but everything is working fine. I did not weigh the unit, but I found it light. The only thing I don't like about this direct drive is that the extruder assembly is made of plastic just like the stock extruder. I'd replaced the plastic one for an aluminum one on my older printer after the lever cracked. The lever is notorious for doing this. The plastic extruder on the direct drive is installed behind the stepper motor, and should be replaceable with an aluminum one.

@TableTopBiker 3 года назад

Love your videos. Keep up the great work.

@BV3D 3 года назад

Thanks! Glad you like them! 😃

@danielknight1162 Год назад

I made 2 of these tube holders to use with the sprite pro extruder and a filament cleaner.

@Orangeking05 Год назад

how did you get the Bowden tube attached the the sprite pro extruder please tell me I beg thee

@danielknight1162 Год назад

Look up sprite extruder on the thing verse.

@woodwaker1 3 года назад

Really good idea. I think I will try it on my OmniaDrops. Your hair is getting ready to compete with Nerdy J and Chris Riley.

@BV3D 3 года назад

How are you liking those extruders?

@woodwaker1 3 года назад

@@BV3D Great. I'm printing new parts to reverse the orientation to make it easier for the wiring on the X-change. They do jam every now and then, but it is really easy to disassemble and clear especially if you can do it on the bench. That is one reason for the X-change. I can rebuild one in less than 5 minutes and can print all of the parts. I have about 12, - replaced all of my Hemera's with these. Max has been great to work with.

@MATS_MAKERSPACE 3 года назад

Cracking Video as always

@BV3D 3 года назад

Thanks, Mat! 😊

@stefanguiton 3 года назад

Great stuff!

@BV3D 3 года назад

Thank you, Stefan! Glad you enjoyed it! 😀

@ronm6585 3 года назад

Thank you. 👍🏻

@BV3D 3 года назад

You're welcome! 😊

@danielcoombes3310 2 года назад

Hello Bryan, firstly great vids and I'd like to thank you and others like you for making these kind of vids. Secondly have you ever made a video on installing the creality direct drive to an ender 3v2? I need to fit mine but only see instructions on RU-vid for the Ender 3

@bruceyoung1343 3 года назад

Thank you Sir

@BV3D 3 года назад

You are very welcome! Thanks for watching! 👍

@AndrewAHayes 3 года назад

I use a piece of sandpaper to grip PTFE tube!

@BV3D 3 года назад

Sounds rough! 😁

@AndrewAHayes 3 года назад

@@BV3D Your on form today Bryan!

@ThamaraHolt Год назад

questions : what solution do you have when you print PETG and it is bend by the extruder?

@3dprintingcave778 3 года назад

great video

@BV3D 3 года назад

Thanks! 👍

@jefferytse 3 года назад

Thanks for your videos! Which Direct drive do you recommend? I had some tension problem when I just got it. Printed a wheel guide helped but I think direct drive is a better idea!

@dinodolic2270 3 года назад

For beginners ender 3 v2 or artillery-sidewinder-x1?

@BV3D 3 года назад

Both are pretty good choices, and both printers work well in their stock configurations. • The X1 is larger, more expensive, and easier to assemble, but some people have had issues with the flat flex cables that carry power and signals to the X carriage. There's a new Sidewinder X2 out now, as well. • The Ender-3 V2 is less expensive, but a little more involved to build. It's a good, solid starting point. There are lots of upgrades, either purchased or printed, that let you customize it to your liking, so it can grow as a person gains experience in the hobby. If price or upgradability are the larger concerns, I'd lean toward the Ender-3 V2.

@dinodolic2270 3 года назад

@@BV3D thank you

@roaming740 3 года назад

Damn you grew your hair out, looking good. Great vid as always

@ZeroAnkoku 3 года назад

Awesome!

@BV3D 3 года назад

Thanks very much!

@brianwild4640 3 года назад

i have a side mount with a 90 degree twist

@BV3D 3 года назад

Cool!

@OldCurmudgeon3DP 3 года назад

Wow, 2160p option in player settings. 👀

@BV3D 3 года назад

4K for the win. 😉

@TheTransam4350 2 года назад

Bryan, do you feel the direct drive is overall better than a bowden tube, or for a hobbyist is it that big of a difference? I am only a month into 3D printing. What are you thoughts on going with one over the other?

@salmanslim 2 года назад

What light is on top of the printer ?

@BV3D 2 года назад

Hi, that's a Ring Light / Selfie Light from Amazon. Super cheap way to add lighting to a printer. I have a video about it here: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-sgw-KDnSzTM.html

@salmanslim 2 года назад

@@BV3D thank you Bryan. Also, love your content you put on youtube.

@BV3D 2 года назад

@Salman Chawla Saleem Thank you!

@natefonseka 3 года назад

what fan system is that?

@BV3D 3 года назад

Hi! It's this one: www.thingiverse.com/thing:4682915

@OldCurmudgeon3DP 3 года назад

How does the tube perform near max Z in that step? Does it clear the horizontal w/o binding/grinding against it?

@BV3D 3 года назад

Hi! It doesn't do any worse than the stock Bowden tube in the original configuration. It rubs against the top crossbar, but it doesn't get kinked or anything. 👍

@josuehernandez4716 2 года назад

does flipping the motor on the biqu affect the way it has to be tuned or anything?

@BV3D 2 года назад

Hi! No, it just changes where the connector is on the motor.

@josuehernandez4716 2 года назад

Thanks for the quick response! I noticed some people get it shipped with different connector placement.

@Fixingthingz4u 3 года назад

This is silly IMO the standard is perfect

@BV3D 3 года назад

Hi @Fixingthingz4u! I'm glad you like the printer as it comes. A completely stock Ender-3 V2 is a fine machine. For me personally, I like it to be not quite as tall. 👍

@Fixingthingz4u 3 года назад

yeah the beauty of this printer is you can have different levels of mods 😀 mine is stock apart from Jake's FW, Cheps remix spool holder behind Estep and that's it and it's printing amazingly well 😊😊