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SIMAX3D Dual Drive BMG Bowden Extruder
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A. SIMAX 3D Dual Drive BMG Bowden Extruder utilizes an internal gearing ratio of 3:1 together with precision, cnc-machined hardened steel drive gears to give you a compact powerhouse for all your applications.
B. Unique Dual-Drive technology delivers uninterrupted material flow without fear of grinding or slipping in even the most demanding conditions.
C. Adjustable Tension: The thumbscrew tensioner allows the user to fine-tune the pressure exerted by the drive gears onto the filament. D. Quick-Release: To be able to do material changes in a snap, simply activate the quick-release lever to release the tension and pull the material to be changed out of the extruder,keep it activated and insert the new material.
SPECIFICATION OF BMG EXTRUDER
How to test your 3D Printer whether fit the BGM Extruder or not
1,Measure the distance between the motor axis of extruder and four sides 2,Generally, it is only necessary to measure the size of the main body to determine whether it can be installed or not 3,Also there must be no any other parts aceessories to effect BMG Extruder in the space , which the measure disdance must over 20mm of the BMG Extruder handle and the spring, otherwise it is not fit to install your 3D printer 4,We have provided you with a model, print out and try to install.If it can be installed, Congratulations,your machine can install BMG
Good compatibility
BMG is designed to suit most DIY 3D printers like ender 3 whether it’s proximal extrusion or distal extrusion.
Good product for 3D printer upgrading
Precision
The filament control gears are made of German CNC which are perfectly matched to each other with little gap.
It helps avoid filament slipping especially for soft filament like TPU.
Adjusting the tensioner to find suitable tightness. You can use any FDM filament with it.
The shell is made of high hardness ABS which is more durable.
Double gears extrusion
Compared to normal extruder(1 gear with 1 idler pulley),
BMG double gears provide high precision controlling of filament extrusion to prevent extruder from step losing.
Deceleration extrusion
With 3:1 deceleration torque, users can control the extruder with high precision.
And it’s easier to adjust manually.
HOW to USE
Step 1,Install the Gear on Stepper Motor
1,The toothed side is near the motor
2,About 3.5mm from the installation surface
3,After adjusting the distance , tighten the set screw
(pay attention to the alignment of set screw with groove
Step 2,Install BMG on the Stepper Motor
Make sure the motot gear and BMG gear are aillned
Step 3, Install Screws
Please tighten the screw after installation
Step 4 Install Hand Screw
If you swiitch soild filament to soft filament , you also need to adjust the tightness here
Last step and Stick in the PTFE tube is well installed.
debbie davis
Reviewed in the United States on February 27, 2022
JG Aruora replacement extruder. Easy to install and works great, way better than original.
TinkerPhill
Reviewed in the United States on October 1, 2021
I ordered this sometime ago and just got around to trying to install it. Got it all put together and then came the time to put the thumb screw in. I didn't actually get a thumb screw I got a plastic piece without threading. So I can't use this at all and I've already passed the return window. Move on to something else.
Mark S
Reviewed in the United States on January 28, 2021
Don't let the headline fool you; this is a relatively high quality part, and certainly a good replacement if you're going for a full direct drive configuration. In my case, I was not. I got this more as a novelty to replace my stock extruder with no intensions of using the device as it was clearly intended. That being said, I'm not sure it was a worthwhile purchase for me personally. It is well made, and does function as intended, and it works more than adequately for what I'm using it for(basically just an extruder feed upgrade). In addition, should I decide to go the direct drive route in the future, then I already have the main part I would want for that so it's future proof in that regard as well. All in all I'm happy with the purchase. My only complaint might be that it could be a little easier to get your tube fed through the "top" side. I get that it's really meant to feed the filament directly through there, but I would have liked the option to insert a small tube in there to reduce wear from the filament rubbing against the edges. But that's a minor complaint and would not have prevented me from the purchase if I knew that in advance. 4/5.
Customer
Reviewed in the United States on January 17, 2021
This SIMAX3D Dual Drive Bowden BMG Extruder is like a number of dual gear extruders on the market. You can always tell an exact clone by the gear lever shown in the attached photo. The slot where the tension spring and screw goes in is not centered. It is off to one side. As long as you know this, it isn't much of an issue. You have to work a little harder to install the screw. I normally file the slot to allow a straight on insert to the screw without any dragging on the lever.This extruder works amazing well. Even with supper soft TPU filament.You have to make changes to your printer's configuration. The stepper rotation needs to be reversed and for me, on my Tevo Little Monster, the Steps per millimeter had to be increased to 417. Running an e-step calibration for the extruder is a must. Once set, you might never need to change it again.All in all this is a great product I give 5 star.
Nick
Reviewed in the United States on September 5, 2020
I haven't had a chance to actually use this until recently since this has been a project printer. I was able to get a handful of prints done out of PLA before the whole top end cracked. The insides of these are reduced of their material making them weaker. This is what you get for a clone though.
MentallyillModifications
Reviewed in the United States on June 24, 2020
This is my second one and I have had zero problems with the first. It runs tpu beautifully. I can run tpu at 45 print speed with an .8 nozzle. Slower with smaller nozzles of course but i have had no clogging with either nozzle. I 100% recommend
Steve Wallace
Reviewed in the United States on May 5, 2020
Don't be fooled, it's not in the same category as a real BMG. It does work pretty well over all. So does it work, yes. Is it the best, no.Things i'm not fond of,1. The filament path is not as tightly constrained as others I used on the market, I doubt it would be great with flexible filaments like TPU/TPE.2. The bolt holes were slightly too tight, in general the injection molded parts were a bit tight.In general the injection molded parts were a bit tight on fit. However I'd rather have the extruder be tight than have wiggle in the gears.
Bobby Tables
Reviewed in the United States on May 30, 2020
Careful. It might pull the spool through the extruder if it gets tangled 😂 the 3:1 gearing is pretty serious. I thought if it gets clogged that the plastic gear might break but the filament so far has been softer and yielded.
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