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※Product Characters
a. SIMAX 3D Dual Drive BMG Bowden Extruder utilizes an internal gearing ratio of 3:1 together with precision
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.
※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
※Packing List
a. SIMAX 3D BMG Extruder Kit x2
b. Packing Box x1
※Product Warranty
a. SIMAX 3D provide 12 months warranty to all customers.
b. With your email, SIMAX 3D Customer Service Team will spare no efforts to assist with you within 24 hours.
Kmadd
2025-08-07 18:53:18
I have tried several extruder models to find one that works well with a Bowden setup. This extruder surpasses in performance compared to others. With the 3:1 gear ratio and the dual gears driving the filament this extruder can handle the back pressure of a Bowden tube without slipping.The only negative comment I would have is that the first pair I ordered came in a box packed with foam while the second pair I ordered came in a plastic box in an Amazon plastic shipping bag. The plastic box lid opened during shipment and all of the parts were loose in the bag tumbling around during shipment. I still need to inspect them for damage but would like to suggest to Amazon and the vendor that the cardboard box and packing is the much better way to go with this product.
rob thide
2025-07-24 11:07:10
The gears seem to be very good with little runout the only fault I could find is the plastic on the main reduction gear is not as durable as a genuine bond tech. This is only an issue of using a large stepper and if their is a tight jam that can chip the gear. I have had many not break but have also had clients have the gear be the failure point but it was always caused by something else failing first.
Captain Dakota
2025-03-26 12:19:26
The media could not be loaded.
F. S.
2025-02-24 16:39:24
The media could not be loaded.
Dylan S.
2025-02-09 17:26:50
Poorly built, chews up the filament and falls apart when trying to feed filament through.
David M.O.
2025-01-21 11:59:28
Gears are noisy so if you have a bowden the retractions are gonna suck and you will need to lower your retraction speed significantly. I had to go from 80 mm/s to 30 mm/sWhen I say noisy, I mean it sounds like a print failing, like catastrophic failureThe output connector is just loose and flops all over the place. You will need to find a way to secure it yourself unless having your PTFE tube moving in and out around a couple mm is now the new hotness for your prints, mine said no.
Bing
2024-11-25 11:49:42
This extruder is an excellent addition to my direct drive Ender 3. E-step had to be adjusted to 415 and the extruder multipler set to 93%. For price, the build quality is excellent. The body is injection molded. Drive gears are metal. Only the large idler gear is plastic but should work just fine. A little bit of multi purpose synthetic grease with PTFE can go a long way for a simple drive setup such as this. Couldn't be happier with this purchase!
GorLeeRob
2024-11-21 18:37:09
When I first install this extruder, I found that it needed to be tweaked a little, greased and it went right on.After a few prints the exit end came lose from the housing, it is a pressed fit and would not stay in. I contacted the vendor to see what could be done (I was thinking they might send a replacement as it had only been about 3 months). The vendor recommended that I glue the pressed fit aluminum into the plastic housing??? What?I threaded the hole and screwed in a standard PC4-M10 connector and that was that.Standard maintenance is remove it from the stepper and clean it out as filament sometimes builds up from filament changes and that can cause the knurled gears to creep. About a year Later the knurled gears grub screw came lose, an Allen wrench fixed that issue. Overall I have had good luck with the extruder and I'm happy. Just know that it requires some love every so often to keep it working well. I would recommend this extruder to friends, cost was good and I really don't mind the maintenance.
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