BIQU Bi-Metal Heatbreak Throat Dragon Heat Break V2.0 High Flow Thermal Barrel Tube Up to 500℃ for Phaetus Dragon Hotend Extruder Compatible with Prusa I3 Prusa MK3 3D Printer (High Flow)

This thing definitely works. Let's start with the packaging: look at the picture, it's nice haha. Ease of installation: this was as simple as swapping out the nozzle on the X1C, disconnected the old one and used the same fan, then installed the revo. Easy peasy took less than 5min Performance: I'll say that it definitely outperforms stock nozzles. From the picture Included you can see that on the right is stock flow test and the left is revo. Revo actually finished the test while I had to actually cancel stock due to failure. In terms of quality printing from looks I would say the quality on the revo print started to fail about double past the stock. I'm excited to be able to try this with different nozzles and the quick swap as the biggest reason I got was that I could tell that the clips on the head board were starting to get loose so this will make it so I don't have to disconnect anything again. 10/10 would recommend to a friend.

When it comes to 3D printing, a successful upgrade for me often means it just didn’t make things worse. Very rarely does an upgrade actually make things better. However, this print head has set a new standard in successful upgrades for me. It’s just amazing to be able to unscrew the nozzle with my bare hands and swap it out with another of a different size in a matter of seconds. Not to mention the nozzles work extremely well just as good if not better than OEM nozzles. So very happy with this purchase. I do understand it is a little frustrating that the photos for other nozzles look like they come in a pack. I wish they would fix that, it is misleading. But even at $20-$30 per nozzle, it’s worth it to me for the simplicity and functionality. Thank you for making an amazing product!

A nice upgrade from the standard bambu hot end, i was having issues with clogs and wanted this so the nozzles were more easily replaceable, so far I haven't had this one clog once, and there seems to be a larger variety of nozzle tips available for it. It fit perfectly, and my overall print quality seems to be a bit better and marginally faster since the heating is a bit better.

Bad product, would only complete 1 print before clogging extruder. Had issues with everything made by this company, extruder gears failed also. This Hot end gets really bad heat creep. same setting for filament after putting OEM nozzle in and issue is 100% fixed. Stay far away from BIQU products. Buy OEM only! On a side note, Thank you amazon for being awesome with returns.

I am still not a big advocate for these covers. They can help keep the heater clean from minor strings, and small failures. But they can sure make a big failure much, much worse if the filament starts to get in underneath, because it then gets redirected right up into the heatsink! This is a problem with most of the E3D style heater blocks, where the cartridges enter the side. Knock on wood, I have yet to have a catastrophic mess with the socks on heaters that top load the cartridges, like on Prusa's. But I have to run these on my Vorons with Dragons, as the cooling I am using is so strong the machines will shutdown, even a 60watt heater will get over powered by the fans. So the insulating factor of the silicon sock is mandatory, and I keep using them. So I do hope they stay available and cheap a while longer, as I have to replace one about once a month on one machine or another.

First let me say this hot end is one of the best on the market for its price range. It’s every actual meaningful upgrade you can do to a hot end packaged into a ready to install product, no searching around for parts trying to peace things together with random Chinese products and waiting months for things to come from Ali express. But sadly I cannot recommend this product to MOST of the ender 3 market. Pros. Best hot end under 100 bucks imo, no mods to the hot end are needed. Think of it as a “fully upgraded” e3d bi metal heat break, copper block, cart thermistor etc. Btw the built in Bowden tube connector is a feature not a con like some reviews said, it shortens the distance from the extruder to the hot end on direct drive. Beautiful construction, like stunning finish for a product in this price range it looks like it came from a custom CNC shop. Cons It is NOT bolt on compatible with most* ender 3 (and ender 3 compatibles) printers. This hot end is SIGNIFICANTLY shorter than the stock ones used in all the ender 3 off the shelf printers, as well as most aftermarket ones (it’s to date the shortest one I have ever used on an ender) the problem is this causes it to create severe clearance issues with bl touch, fan shrouds, fans, part cooler fans etc being too long for the print head to reach the bed. This can easily be worked around for people who are “makers” modifying the entire assembly around it (shortening abl sensor mounts, lifting fans, custom fan mounts, custom fan shrouds etc) max so to speak of course BUT this product is sold as a direct replacement, it is Not. Adding to this the heat block itself is quite long front to back, meaning I’m almost all applications it interferes with the x carriage back plate and the sock is almost impossible to install without removing the hot end. Meaning a nozzle change requires you to 1 remove the whole fan shroud, 2 remove the hot end, 3 remove the sock and the nozzle, 5 reinstall the new nozzle and the sock, 6 reinstall the hot end, 7 reinstall the fan shroud. 7 step nozzle change on any ender printer if you use the sock. How convenient. Add onto this that the heat sink is not bolted to the heater block making it a huge risk of snapping the (proprietary) heat break. The fix for this is a set of longer screws and some washers to add clearance to the hot end from the carriage. Likely less than a cent worth of parts for the manufacture to include in the product DESIGNED to be compatible with the ender series printers. Now you have a new problem Your hot end fan will now have clearance issues. Again can be worked around but is just simply annoying for a upper end product in this industry being sold as compatible. Overall the problems with this product is that it does work and works amazingly, but it’s being sold as a compatible product for the ender 3 yet requires a complete overhaul of the x carriage accessories to make it work. This is fine if the product is sold this way but this is sold as a compatible product, a huge portion of the ender market is entry level users without any skill or knowledge about the printers, this advertising is just targeting them to sell them a product the do not need, and in many cases will not be able to use without spending significantly more money and time than is needed.

I’ve had this for 2mons now and this is an amazing hotend, with a super easy nozzle exchange. You only need to install it once then unscrew the nozzles to change sizes where-as before you had to unplugging it putting wear and tear on the connections I would highly recommend this for any of the 3D printing machine.

I can't comment on the item because it was returned due to being incomplete and it wouldn't be fair on the manufacturer

Per usare una frase che si sente spesso adesso...ma più senza

ottimo

Compatible 100% de bonne qualité.

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