Dual Drive Gear Extruder Upgrade + E Steps on Creality Ender 3
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- เผยแพร่เมื่อ 7 พ.ย. 2019
- Chuck tests a Dual Drive Gear Extruder and adjusts E-Steps on Creality Ender 3. It's the same extruder used on the $600 CR-10S Pro. He compares the stock Creality Ender 3 Extruder with the Duel Drive Gear Extruder and then shows you the Dual Drive Gear Extruder Installation and Calibrates the be E-Steps on Creality Ender 3. Check it out. It may be what you need to upgrade your Creality Ender 3.
Dual Drive Gear Extruder Kit:
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-----------
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CR-10 V2
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From
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CR-10:
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CR-10S Pro
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CR10 Mini
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Chuck, this has to be the best video you’ve done to date! Extremely easy to understand, complete information from beginning to end, and a great topic! Keep up the awesome work!
Thanks Jim.
I thought the same while watching the video. Smart, complete testing. Excellent editing of the video to keep it flowing smoothly, and ultimately an unbiased conclusion. I regularly recommend CHEP's channel for Ender users. His videos are great for laymen or advanced users. Great work. Keep it up!
@@randomrat6421 yeah great video! love the conclusion! did it work? well no. should you buy one? sure you should
Too bad it's a terrible design where the gear grinds into the base.
@@FilamentFriday I have seen a lot of reviews on this and similar extruders saying that the gear starts to eat into the alumina frame. Have you seen this happen?
I realize you made this video 3 years ago but I just needed to add a comment. I got my Creality Ender 3 Pro a year and a half ago. I was having minor issues with filament slippage a few weeks ago so I re-watched a few of your videos and decided to order the dual gear extruder. A few days later I replaced my bowden tube and bumped the temp up a few degrees and that took care of most of my issues. But today I received and installed the dual gear unit and it is great. I printed a CHEP cube that rivals or betters any I have done before. Thanks for all you do for the 3D printing community.
I love your no-nonsense, to the point videos. Quick, informative, and easy to understand!
TH3mrBROWN - Thanks.
I agree, I’m buying my first machine and don’t want to mess around with garbage “upgrades”
80% of videos I looked up are garbage clickbait
Thanks, Chep! I purchased this a couple of weeks ago, and installed it tonight with your guidance. AWESOME!! With your help, the extruder calibration is near-perfect, and I'm back up and printing. Pretty easy install and calibration process with your tutorial as a guide!
I know this is an older video CHEP, but this video saved me yesterday right before starting my longest print yet. I bought the upgrade before my Ender 3 v2 came and yesterday (only had the printer 3 weeks) the arm failed. I upgraded the extruder in no time flat because of this video. Thanks for all your videos.
Thanks Chuck, as a newbie at 3d printing your videos have been invaluable 👍👍👍
Saved my bacon this video did. Thanks for the e steps, works 100% on a 100mm stretch and thanks for the install instructions.
I have found that the CHEP videos are the only way to go. I recommend them whenever I can. I have had 4 different printers and in each I have followed his videos. I love Chuck's very articulate and to the point videos. I just did this extruder and it was perfect. Thanks!
Have had one of these sitting on a shelf for about 6 months. Finally got to fit it over the weekend along with some silicone spring replacements. Everything looked ok till I printed some small test items. The filament was all stringy and not fused together. A quick check on TH-cam brought me back to this video which I'd watched before buying the extruder. E-Steps reset as per Chep's suggestion. All working fine now!! Cracking Video!
I've learned to type CHEP in front of any of my 3D printing queries. Best results.
Chuck... killing it
Haha...thanks.
Thanks for this guide, just put this extruder on my CR10S5 which came with the same extruder as the Ender 3, I also have a 0.8mm nozzle and a 5kg spool.. So now I have my esteps dialed in 100% thanks to you, looks like my under extrusion issues are a thing of the past.
Excellent tutorial, just got my Ender 3. It was stopping 6mm short, I recalibrated and now its spot on! Thanks!
I don't even have a 3d printer and I found this fascinating.
Hi Chuck, Just installed this dual gear extruder kit from Banggood.... Used your video and even your e-steps.... perfect right out of the gate. Best Calibration Cube I've made yet!
This video is absolute gold. Easy to understand even for a newbie like me. The estep calibration is a big plus. Can't thank you enough. Awesome work.
With that dual gear one you should have no slippage at all, maybe adjust the tension on the spring? Also note that the lever sleeve is often a bit too long, causing the arm to twist slightly, causing the motor to miss steps because of gear misalignment. Buffing the gears with very fine abrasive can also help a lot.
The problem with any kind of slippage or missed steps is that you have no control over where or whether it happens, so when you try to overcompensate but are suddenly in an area where the filament flows very freely you overextrude.
It might make sense to experiment with linear advance as it tends to keep the peek pressure of the filament in the bowden tube lower, causing much less occasions where the necessary force is too much.
The issue you were experiencing at 08:00 isn't caused by slippage, it is caused by the motor not having sufficient torque to push the filament through, itself a combination of a hot end not able to melt filament fast enough and insufficient drive current to the motor. When you increased the esteps to compensate for the 6mm, it meant that now your printer will over extrude when extruding a smaller volume of filament such as when printing slowly or low layer heights, and maybe extrude the correct amount when printing at a load exactly equal to what it would see if the filament consumption was exactly the same as the manual feed speed. If it was printing a tall layer height quickly such as when doing infill, it would under extrude again (flow required higher than default manual move speed) and then over extrude on outside perimeters (flow would be below the manual move speed you've "calibrated" it to).
I think your testing method is very good but you can clearly see the motor snap back at the end of the 100mm move when it is unable to hold the torque. No amount of filament grip is going to fix that, you need to increase the current drive to the extruder, put a bigger motor in or upgrade to a better hot end.
The motor would slip not snap back based on your description. I can see slight slippage in the filament. It’s plastic vs metal teeth. Plastic loses.
There were no over extrusions in the prints including the ones I showed. Even on the small 3Dbenchy details were fine.
So my adjustments appear to be just fine.
Thanks for that great video! I've had the upgrade sitting in a drawer for about a year now, thinking "yeah I'll get to it one day...". Finally did it, super easy just like the video shows, and calibrated in no time! I literally got the same 6mm at 186 deg!! 205 deg was spot on, so I'm happy with it! Thanks again!!
Just got my kit today Chuck. You da' man. Thanks for all you do for the hobby.
Unfortunately, this particular dual gear extruder (I got one also for my JGMAKER MAGIC) has needle bearings in the idler gear. That is good EXCEPT they ride against the threads of that long screw!!! They will be eaten in short order To fix that, I took a 4mm screw of the same length, put it in my mini-lathe and cut off the threads except for 3mm of length at the screw head. I polished it and then drilled and tapped the top of the lever arm for 4mm and drilled out the bottom hole for 3mm clearance. Now those needle bearings, well greased, ride on a smooth shaft. Also, I filed down the bottom surface of that arm to allow a washer under the idler gear so that it doesn't chew the arm to bits. Those are two huge problems with the extruder that you chose.
Hope this helps some of you. :)
Tom Is there a better double gear metal extruder that you know of and could recommend for the Ender 3 pro? I bought a single gear metal extruder and it is chewing up my PLA at the meeting of the gear and the entrance to the bowden tube . I would like to get the machine back in action as I have a project to do but don't want to get another metal extruder with problems if possible. Thanks for any help!.
@@terry2346 Any Bondtech or many Bondtech clones will work. That's what I have now.
Thanks. It would be nice to see also how well it handles flexible filament.
I did that on my CR-10s Pro review. It handles flexible except for the very flexible Ninjaflex.
@@FilamentFriday oh, perfect, thank you - I'll check it out
Glad to see you reviewing this Chuck. I put one of these on my Enders recently to improve reliability. I ran into a problem with it, similar to your comment about the metal shavings near the gear. I noticed the screw on my idler gear was not very tight. I tightened it a little and got a lot of metal dust below the gear. When I took it apart, I realized that I had tightened it enough that the gear opening was squeezed together (apparently not very strong). I ended up filing the bottom part where the gear set to get clearance again. Then I put in some grease into the gear for the single roller bearing and a little below it. Then when I reassembled everything, I used a little bit of thread sealant on the screw. That way it wasn't too tight and wouldn't come loose. It's been working well since then.
really love your channel
I brought this extruder because my printer is now 8 months old and the plastic extruder started giving bad prints so I replaced but did not know that I have to calibrate also
after a lot of fixing ( from nozzle to hot end, bowden tube coupling ,spool holder) I fixed everything but still got under extrusion but finally my printer is now printing fabulous
thanks!!
I was literally opening the bag when he said but is it worth it. I just stopped lmao 😂 still gotta watch the video tho
If I were you I will leave the estep calibrated with the “open” air method and then compensate with the flow multiplier. I write down the printing temp and flow multiplier on each filament roll. You will be surprised that rolls of the same brand but different color they have different flow multiplier even though they use the same printing temperature
Actually I do that. You might have noticed my machine was calibrated originally that way as I do adjust in the slicer. But I often get people commenting to adjust eSteps so I can’t win.
@@FilamentFriday could you please do a video on this process? That would be super helpful.
Chuck, thank you very much for taking the time to explain and demonstrate this procedure. Your video was VERY helpful to me. Very nice job!
Just brought this dual gear extruder based on this video. Have used your other videos for help before. Keep up the good work.
I am curios, did you notice any diferences in print quality 1 year later after some adjustments and thinkgs like that?
After I've installed this dual drive gear, I started to experience clicking sounds comming from the extruder motor. Reading about it online I figured this is a problems where the stepper motor of the extruder is skipping and this could be causes by a blockage in one of the parts that lead the filament to the nozzle/hot-end. After a lot of cleaning of hot-end and all the parts that leads the filament to the nozzle without any success and after looking at a lot of videos online. I came up with the assumption that the spring in this dual drive, presses on the motor pivot too much. I've replaced the yellowish sprint that came with this kit with the old silvery spring that came with the ender 3. The original spring is softer. This seems to solve the clicking issue.
I hope this helps someone that is dealing with this same issue.
A true OG, thank you so much for putting this information out there! You make it so clear and simple!
Really informative! I came for an upgraded extruder review, but it also helped me understand the E-steps calibration process.
I really like the more-edited tutorial format with a voiceover recorded afterwards.
Note that this dual gear no long fit for the Ender 3 Pro (2021) due to the stepper motor shaft is shorter and the wheel gear is pressed on to the shaft.
Ordered my E3 Pro and Dual gear at the same time and came to this vid hoping to figure out how to get that gear off ;n;
Just replace the stepper motor with the correct one
@@kharmastreams8319 do you know what the correct one would be?
I like the new dual gear extruder but I miss the 3d printer knob I had on the older one. Are there any designs for a knob on the dual gear extruder somehow? Thanks for the great content!
Did you ever have any luck finding a knob? I'd love to know where
@@johnwhiteanderson1 nope, and I don't think it's actually possible. the dual extruder was designed on a way that doesn't leave enough space on the stepper axis to connect any kind of knob.
Finally got around to installing this extruder and your video really helped. Thank you very much especially for that e-step formula
Thank you CHEP. This is the best video I've seen about how to calibrate this kind of extruder. Very easy to understand even for non english people. Greetings from France. Keep doing these amazing videos, you're made for this.
Some of the newer ender 3 pros have a gear pressed stepper so you can’t remove it. Could you do a video on how to remove the gear pressed ones and how to install this extruder on them, or recommend a new stepper that has a screw like the one in your video? Thanks!
The press-on does not have a flat spot on the shaft.
Best solution is to replace the stepper motor with a better one
It's a very interesting comparison of both systems!
But consider that during a normal print you never extrude a length of 100mm at once, so the pressure is not so strong. My CR10 runs 24/7 since 2 years with it's original cheap plastic extruder and it's fine ;-)
So does mine in my print farm. But they sometimes do wear out and many people want to know about options to replace it.
@@FilamentFriday Which part wears out of the extruder? The input hole or gear? To avoid damaging the input hole the filament must pass it without any angle.
@@stephan.scharf input hole usually goes first, when I got my ender 3 I was printing lots of glow in the dark filaments and the filament actually cut all the way through the plastic lever in a few weeks of use.
@@stephan.scharf input definitely is a wear item. i'd rather scratch my filament slightly with aluminium than wear through the extruder over the course of a few months. my gantry changes heights so the entry is rarely straight and i'd rather not hang the rolls off of the gantry
@@MrOsmodeus I attached a castor to the x gantry in height of the filament hole and the spool holder on top. So the filament goes straight into the hole independly of z height.
Another thorough and quality video, clearing up FUD as usual... Thanks!!
Chuck my friend you save my bacon tonight! I've been having trouble with my Andrew three after I switched to the metal gear stepper motor and I haven't had the same quality. your advice on calibrating the e steps was exactly the medicine my ender needed! I've been having anxiety over this thing for the last 2 months and finally it works! Thank you man keep up the great content!
The orange spring that comes with the extruder is the wrong type for this extruder, I've had this extruder for awhile and I'm currently using it as direct drive. Works great but comes with the wrong parts
The spring tension adjustment doesn't work because the spring is the wrong type. You need to use the spring from the original extruder. That's also why the arm is grinding into the base. And you had an issue with slipping. The orange spring puts alot of unnecessary load on the motor and is not good for it in my opinion. Just use the original spring and use the tension adjustment.
Mine just came with this wrong spring, too. I've just used the old one
@@martingerken7094 Yeah unfortunately no one seems to have noticed the issue or cared. Its actually a fantastic extruder upgrade but you need to use the right parts.
@CHEP - a lot of bad reviews on amazon saying "after a few weeks, it's grinding into its own housing" etc. - How is yours doing?
I’m starting to notice some dust. I’m going to do a video on it.
@@FilamentFriday very helpful, thank you! Sub'd!
Chuck, Ive been having extruder issues for months now. After 30 mins of using my new dual gear extruder all of my under extrusion issues are solved. Thank you so much for doing the video!!! Ive now subbed and got something from your links. You're on my watch list. Thank you so much.
Thanks. Glad I could help.
Just dropped this extruder in my Ender 3 V2, I could hear the stock plastic one skipping every now and then. Adjusting my e-step to 143 gets me a perfect 100mm through the hot end. Thanks for the video.
Be aware that you should check your motor before purchasing this thing. If it has a pressed on gear (the brass thing that feeds the filament line), you can't replace it as shown in this video unless you get a new motor as well.
I wish I had read this before
@@fg2873 me too...
Hi Chep.
The newer ender 3 pro printers have a press fit gear on them now.
What should I do?
I have the same kit.
I'm having this same problem
Not sure. I’m going to look into it.
I wonder if a gear puller would work? Did you find a solution?
Can confirm, the new ender 3 pros have a press fit gear on them. Also, the shaft length was shortened to 12mm instead of the standard 20, requiring you to buy a new motor in order to install the dual gear drive. If the press fit gear is at the very top of the shaft, then it is a 12mm shaft. Learnt this the hard way after sawing off the press fit gear on mine. Thankfully, I was able to use the new gear pushed all the way down with the spring compressed all the way (and tuning the esteps way up to compensate for the smaller circumference) while I wait for a new motor to arrive. :/
Where did you buy it from?
My Ender 3X Pro from Banggood.com came with the removable gear.
Hey Chuck, just wanted to say thanks for a great channel. This episode has just saved me a lot of headaches. New to 3d printing after spending 45 years in conventional printing it has been a challenge switching but both have a lot in common. Anyways, great channel and have watched loads already and you are my go to man.
Esteps came out perfectly the first time. Thank you! In the process off printing the first Benchy from my brand new, but heavily modified Ender 3 pro. Dual Gear, direct drive, SKR 1.4 Turbo, Hero me fan mod. My goal was to get as close to a Prusa without spending Prusa money. I think I might have succeeded! Watched your assembly video as well.
I have a regular Ender 3, how would you take the gear off the motor because there are no screws in it
I had the same problem, they say you can heat up the gear then pull it off with the use of a tool and a large quantity of pulling strength. But, I just ended up buying a new motor and gear.
You can not mount the Dual Drive Gear Extruder on the motor with pressed mounted gear, the motor axe is too short. You have to buy new motor with long axe.
@@yurik.3865 What motor did you buy?
@@loganhobbs6910 just look for motor 42-40 mm . I can not write here where to buy- any such comments deleting by tube.
Motor without the gear.
This kit won't work properly on newer Ender 3 Pros, they started press fitting the gears so they are difficult to remove. The shaft on mine doesn't even have a flat spot.
Did you get it to work. I have installed my kit but the extruder wont feed the filament
@@medvus750 I haven't bought the kit. Does your ender have the pressed gear or were you able to swap to the Kit's gear.
You can buy a new motor for about 10 dollars
@@imapotato5927 True, Adafruit stocks them at $14
one of the best upgrades you can do, no more slipping of e-steps
Oldy but a goody. Thanks for this. I just bought a WinSinn and your video was great for helping to get it all setup. A couple notes for folks that necro this video. 1) there is an extra spring in the kit. I think it's just a less stiff spring in case you want that. 2) when aligning the teeth, leave the one on the extruder a little loose and then put the arm in with the other pully. match the teeth up through the old. or better yet, just assemble it out of the system and match the teeth. 3) I was in the 138 estep range from a old step of 93, so about the same as the video. 4)If i had it to do over again, I would take the time to measure out the full load and unload length. If forgot to do this. you can do it later, but it's just easy when it's all apart. That length will help if you have a plugin for doing filament swaps. One button to remove and reset. Anyway, great video and a huge thanks!
So frustrated that I just bought this and have the wrong motor, I don’t even know which motor to buy.
What Printer do you have? Any markings on the motor?
Don't waste time or money on this trash "upgrade". The 2nd drive gear is poorly designed and does not ride on a real bearing like the stock equipment. It shifts around on the screw that holds it and grinds on the aluminum arm. It dose not add anything to print quality and referring to it as an upgrade is false advertisement. Its a down grade from the plastic one Creality sends as stock.
Except the stock plastic ones tend to crack...
Great upgrade video, Chuck! I've been getting under-extrusion since I got my Ender 3 and am slowly zeroing it in to perfection with your help! You, Teaching Tech, Maker's Muse, CNC Kitchen and some others that I'm forgetting at the moment have been incredibly awesome in tuning this great machine! Thank you!
That’s great company to be part of. Glad I could help.
Thank you so much for making this video!!! You really helped me with my extrusion issues!!!
I love how people say ender 3, not ender 3 v2.... thanks for the misinformation
This video is 3 years old...V2 didn't even exist at that time...
@@cxvxcbcxn true, I have a new Ender 3 (not v2) and the 42-40 stepper motor has a shorter shaft and a pressed on gear... while I got the gear off (by destroying it) the shaft is too short for the new gear...now my main printer is down
@@acidnine Same situation, but Ender 3 Pro with 4.2.2. I struggled for a while and then remember I had a gear puller for RC car motors I picked up on Scamazon for 8 bucks and it popped right off.
CHEP, thank you for this video. I had followed some of your other video guides to print flexible filaments but didn't have any success with the printed extruder mod. I installed the dual gear drive extruder and went back and used your slicer settings and have successfully printed the octopus.
Ahh Chuck, this really helped me solve my flow problem, with that extruder on running on a 42/40 stepper motor on Ender 3 v2, my setting came out at 137.9. It worked perfectly, thank you for posting and sharing! :D
Great video! Thank you! My OEM extruder has been clicking for a long time, and yesterday gave up the ghost. I'm ordering this one and will be sure to calibrate it! Thanks, again!
This is a great video and very insightful. My gear screws stripped and I think I'll go with this dual gear extruder just for piece of mind, reliability and consistency.
Thank You very much for Your work. This video contains all the info needed when looking for a dual-gear extruder on ender 3. Very helpful. Best video on the subject I found so far. Thanks a lot. :)
chep i love you, even when i think its impossible that you have the exact same solution that i need here you are, what a rock star!
Hi.
Another Great Video,
Just upgraded ender 3 Max, with this Extruder, Worked fine, Only had to Print a 15mm spacer for under the Filament sensor with longer bolts. to keep it inline.
I've used your instructions and a print that turned out misrebly with the old extruder, but is going fantastic with the new one, thank you for making it so much esyer for me.
Glad I could help.
Thanks, i just installed a Dual Drive Gear Extruder works great!
Great video. I got about 6 months of heavy use from my stock driver on the ender 3 before the slippage got out of hand. Time to upgrade.
Just wanted to say that your videos are amazing! I go straight to your channel whenever I need a solution, or want to find out what's new in the 3d printing world. Keep up the amazing work!
Thank You
This was really helpful, very well laid out and now my extruder is properly extruding
Thank you very much for this fantastic video which is, even for newcomers, very easy to follow and understand! Changed the Drive Gear and adjusted the filament flow, awesome!
This is an incredibly well explained and presented video, well done!
Just changed mine today following your video. Thanks a lot as always for sharing your knowledge.
Thanks for the clear, concise video. Was really helpful.
I will be installing this on my ender pro tomorrow. My original one cracked causing bad prints. I picked it up on Amazon for 15 bucks. Thanks chep for the video !
I just got this Today! so stoked to try it! I bought it on impulse. maybe should of watched this first. but, ill watch it now!.. CHEP plz keep ur content rolling. luv it!
Brilliant followed your steps and now my prints are amazing this extruded is much better thanks chep 👍
This video always helps me with my ender3. Thanks a lot!
thank you Chep, I just replaced my motherboard after an extruder driver failure on my ender3 pro and I forgot how to calculate the e steps for this duel gear extruder but remembered u had the go-to video on how to do it thanks again
Thanks Ceph, your a lifesaver as usual!
Great Video! I have had my printer for a couple days now, and was able to upgrade my extruder no problem.
That final estep value was just about what I got with this extruder.
I love your videos they are full of details and you explain them clearly so I thank you for your time you give to share them.
Love this tutorial the eSteps in my 3V2 is called Transmission ratio E in software 1.0.2 on a v4.2.2 main board.
The gear on the lever eventually ground through the bottom plate and fell out of alignment. Can't complain too much. It held up for 3 years, so a few thousand hours of printing. Thanks for all the beautiful prints Chep.
Thank you for such a clear explanation of this. Though some calculations not very clear for me, but I succeeded calibrating my printer's esteps 100%!
love your videos.. I just upgraded all three of mine with the metal version of the stock extruder. wish I had known there was a dual gear version. I didn't think there was that much slippage, good to know about tuning the e-steps
Hey Chep Thanks for the video so i just replaced my motherboard with the silent board and I also installed the duel drive extruder and with a 3d printed direct-drive bracket i modified for the new duel gear extruder and i used a 2 1/2 inch piece of Capricorn tubing and calibrated my esteps the way u showed in this video and i have to thank u big time my ender 3 pro has always printed great but now it's printing on a new level of clean i love this set up thanks for the videos and all the tip and trick you share
You have a lot of truly excellent videos. To me, this part will be one of those upgrades you do when the OE piece wears out.
As a new and dedicated follower. I wanted a better extruder, hard to choose when there are always so many negative reviews (even down the comments here). However, you do tend to find this with people at home with different skill levels. When considering how reasonably priced these units are and how easy it would be to replace I can't understand sometimes "why so negative". Followed you through to the end, no mucking about with the numbers as you worked them out.. Rocking! I did find that I had to do some fine-tuning of the bed "again" but am back to pretty decent prints. Congratulations on being the best and most informative "goto" guy. You have made my hobby a lot more enjoyable.
Thanks Chep.
The old one broke off from the idler wheel, the whole section snapped. It wasnt obvious at first because it didnt fall off or anything, it just wasnt extruding anymore.
I went ahead and got the package that included the motor and it was pretty easy to setup, your video helped on the e-steps.
Only small issue so far is the hole scrapes the filament, hopefully it will wear down with usage, it seems it already has started to with just one small print.
Same for me. I also bought a new motor,.because the gear was fixed on the old motor and the shaft of the okd motor did not have the dent for the new gear.
When I performed this, I pushed the filament all the way though the bowden tube with the coupler off the hot end, so this way you can take into account the free air space and resistance the bowden tube can have. I marked it as soon as I saw the filament coming out, made a gcode command to issue 100mm step move and then measured at the end of the bowden tube. I did the same calculations and found that my Ender 3 Pro was sitting at 99mm stock.
Thanks dude your my go to guy for my ender 3 problems you explain things so well
Great video - very concise and thank you for including the mathematics to show how to get best results. Good stuff. - Subscribed!
Thank you Chuck allways good videos and well explained. Greats
Thanks you Chuck for all your videos, it's very helpfull !
A very good and detailed video... it covered all my questions... exactly what I was looking for... Many thanks...
This was the first thing I did to my ender on day one. To fix the gear grinding issue, I did two things.
1: the screw that holds the gear in is the wrong type. Its uses the needle bearing onto threads, that will cause premature wear on the bearing. I replaced the screw with a longer screw that had a smooth section near the head (3x40 maybe?) and cut off the extra threads. This gives the bearing a smooth surface to ride on.
2: I grabbed some 3mm shims from the local hobby shop, and used a Dremel to create enough clearance to add the shims top and bottom of the gear. I've been printing with this setup for 10 months now, and showing zero wear!
Great video as always
Thanks for sharing 👍😀
I did this upgrade for both Ender 3 Pro and Ender 5. Re-calibrating was definitely necessary. I have maybe 5-60 hours on both extruders now and so far so good! I did as you suggest and use grease around steel/aluminum joins and also a drop of oil on the inner finger bearings.
Thank you so much, i did it without math ;) tooks longer but..works!