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The LK5 Pro only connects via USB or the included TF card. While this involves more manual work than printing over WiFi it isn’t a deal-breaker, you’ll just need to transfer your STL files from your 3D slicer to the card, and then insert it into the Longer LK5. Open Build Area While not unusual for an FDM printer, especially one this affordable, the LK5 Pro isn’t capable of the kind of detail and resolution that more advanced FDM and resin printers can do. Longer LK5 Pro is not a successor to a regular LK5 since the manufacturer preferred using the terms Pro to signify the use of the same color LCD found on the LK4 Pro and a larger frame. There is obviously some marketing fluff there as well. In any case, the 3D printer, when fully built, is larger than both the LK4 and the LK4 Pro, measuring 22.8 x 21.2 x 26.1 inches (58.0 x 54.0 x 66.3 cm) and weighing 29.8lbs (13.5kg), so yes, you do need to plan ahead where it’s going to be positioned because it does take a lot of space. The good news is that the print size is 11.8 x 11.8 x 9.8 inches (30.0 x 30.0 x 40.0 cm), so you can create very large models.
In 2020, Longer made a major breakthrough when they introduced the world's fastest 3D printing system, setting a new benchmark for speed and efficiency. This major achievement cements their position as the industry's technology pioneers. Then there’s the P360W24V power supply from Chengliang and it’s a fairly generic one, but should do the job properly. The fans have always been a weakness of the Longer 3D printers since they were very loud and the LK5 Pro does have three fans (besides the PSU fan) – one on the frame base and two at the end of the X-axis beam (for the hotend). There are also preset accuracy modes that you can select. With these settings, you can get started right away and start your first prints. Test Print Yeah, it is good to have a 3D printer that can resume when there is a power outage. The power resume function on the Longer LK5 Pro works if you catch it in time before the heated build plate cools down. If you leave it till the heated print surface cools down fully, the model will come loose from the build plate, resulting in no real usage of the power resume function. LK5 Pro Power Resume Solution Along with Dr. Lao is Dr. He, co-founder of Longer, a mechanical engineering expert with a Ph.D. from MIT. Dr. He's deep understanding of material design, synthesis, characterization, and theoretical simulation is of great significance.
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The LK5 Pro is delivered partially pre-assembled. It can be assembled within a few minutes. The included instruction manual with easy-to-understand pictures and the assembly video on the micro SD card, it is a breeze to set up this 3D printer. On the plus side of the design, the 3D printer stands on four feet and you can easily access the leveling screws. Large Print Volume After that’s done, it’s time to start the assembly and, following the instructions from the box, we need to roll the X-axis beam through the gantry poles, then take the assembly screw rod and rotate it into the X-axis beam dedicated brass nut. Next, I took the X-axis motor and two M4*16 screws and tightened the motor to the gantry. Afterwards, I inserted the screw rod into the top part of the motor and, after loosing up the screws of the coupler, the rod slipped right in. You will now be able to adjust the height of the X-axis beam. The next step requires four M5x20 screws and you need to use them to attach the gantry to the base. It’s very difficult to do it from the bottom, so it’s best to take the whole assembly and put it on its side, to easily insert the screws into place. Now it’s time to add the support rods and to do so, you need to use four M4*8 bolts and make sure that there’s a 90 degrees angle between the gantry and the base. I needed to adjust the support rods a bit since the angle was indeed off and the use of the rods is an absolute necessity if you connect two tall pillars using four bolts. With a build volume of 300 x 300 x 400mm, the LK5 Pro can print some of the largest designs out there. It’s an impressive build volume for an FDM printer at this price, and those of you looking to print models of all kinds of shapes and sizes will be very happy with the LK5 Pro. The interesting thing is that the fans are not as loud as on the LK4 (which pushed 12V fans to 24V), quite far from it, but they’re still the most audible part since Longer has made everything else almost silent – with the exception of the extruder. To see why, I decided to open up the main section and I had to remove quite a few screws with one of the provided Allen keys. This way, I was able to see that there’s a LGT_KIT_V1.0 board which has three removable silent steppers (TWC2208) with small heatsinks at the top and the processor is a an 8-bit Arduino ATMEGA2560. The extruder does get a different stepper driver (as I anticipated) and it’s not the silent type (couldn’t identify it), but the good news is that you can replace it if it bothers you.
Along the way, Longer has won the recognition of well-known overseas social media organizations, among which All3DP listed its resin 3D printer as "the 10 most popular models of the year". These honors further consolidate Longer's position as a brand trusted by industry experts and enthusiasts. Many of us are still using Simplify3D as our slicer it’s hard to convert to a different program, yes S3D is a paid software with hardly any updates and its falling behind to there competitors will they eventually surpass the competition. Let’s get to the point down below: we have many profiles for all different machines and setups. PLA Simplify3D Slicer Profiles JGAurora A5S Slicer Profile – Link During my tests, I did not notice any particularly large vibrations, even at high printing speeds, and the construction makes a very stable impression.
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The bed leveling is not automatic, meaning you will have to do it manually. While not a deal-breaker, this can be a pain, especially if you’re used to printers with automatic leveling. The LK5 Pro is designed with a triangle frame to reinforce the printer and keep it steady while printing. This strong, stable build prevents any vibrations or other factors affecting print quality, and helped with the print quality we achieved. Fast Assembly
There are even larger print volumes on other 3D printers, but for this price range, it’s already very large. Textured Glass Bed CAUTION: As with many other 3D printers, the power supply has a voltage switch. You must set this to the correct voltage of the local power supply. You can switch it between 115 and 230 volts. If you set the wrong voltage, the power supply will burn out immediately when you turn it on for the first time! Print Bed Leveling At the core of Longer's mission is to provide innovative, cost-effective technology products that enable every tech enthusiast to experience a seamless, friendly creative journey. Their commitment to technological innovation is unwavering, and they continue to promote the advancement of 3D printing and maker technology. In addition to excellent products, Longer also provides comprehensive after-sales service to ensure that users receive comprehensive support and assistance throughout the journey.Upgraded Dual Blower Kit: LONGER LK5 Pro Upgraded 3D Printer uses the newly upgraded cooling fans, dual blower kit which can promote rapid cooling of the extruded filament, powerful cooling nozzles can make the model surface better and smoother. Screw the frame to the base: With 4 screws, the frame including the X- and Z-axis can be screwed to the 3D printer base. during assembly, I found it a bit difficult to find the right position for the individual parts. It feels like you would need four hands! In the end it worked well when I put the entire printer on its side. The print bed leveling is done manually on the Longer LK5 Pro. It is supported via the menu by pressing a button to move to 5 different locations on the print bed.
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