Extremely fast 3D printer with great results: Flsun Super Racer in the test Thanks to the delta structure, the Flsun Super Racer prints faster than other 3D printers that melt plastic using the FDM process. is testing it. 4:00 p.m.
Thanks to the delta construction, the Flsun Super Racer prints almost three times faster than other 3D printers that use the FDM process to melt plastic. He can also convince otherwise – there is only one catch.
In addition to the widespread 3D printers with a Cartesian structure – such as the popular Ender 3 v2 (test report) or the currently popular Anycubic Vyper (test report) , delta printers are exotic. They are considered complicated. Repairs are said to be difficult and the maximum size of the printed parts is limited due to the design and the resulting round print bed – so the myth goes.
The Austrian 3D printing specialist 3D Jake recommended the Flsun Superracer to us with the words “It’s coming” and made the test device available. We had already tested a comparable model, the Monoprice Mini Delta V2 (test report) , which convinced us with plug & play, good results and a reasonable price. The Flsun Super Racer has to work harder with a proud price of 499.00 euros.
It starts well. The Super Racer is well packaged, its metal frame is of high quality – and in addition to the printer, there are lots of practical accessories in the box. For such a highly complex mechanism, the printer has an amazingly simple structure. Even the print head is simply clipped in – that’s it! An attachable level sensor takes over the measurement of the print bed. Insert filament and you’re ready to go: This printer is also suitable for beginners.
And then we see: In Cura, the print speed is preset to 120 mm/s. Numbers like this make anyone with 3D printing experience uncomfortable. It is well known that if you want clean print results, the print speed should be between 35 and 60 mm/s. It was worth a try. And indeed: what the Flsun Super Racer then bangs out at 120 mm/s amazed even us.
Admittedly, the assembly is a little more complicated with a delta 3D printer than with the classic Cartesian structure. The Flsun Super Racer kit consists of the lower and upper platforms and the three guide rails. Rails and motors are already pre-assembled, as is the print head. There are also three double connecting rods made of carbon.
First of all, the guide rails are fixed to the upper frame with four screws each. Then attach the lower frame and repeat the procedure. Now the chassis is in place and we can start assembling the print head. This is simply clamped into the double guide rods made of carbon tubes. They are tensioned with springs and have opposite joint sockets at the end, which you simply clip into the joint heads of the print head and guide rail. The precisely pre-greased joint sockets were particularly pleasing.
So simply clamp the first double guide rod, hold the print head on the second and third. Then connect the construct to the articulated heads on the motor linear rails. That’s it. The construction of the most complicated part of the delta printer system is done. We imagined this to be more difficult – and we don’t know it from other printers as comfortably.
The next steps are to attach the extruder to the top and connect the cable ends from the top chassis to the printhead. Thanks to different color markings, this works easily and understandably. A cable socket initially remains unused for the calibration unit.
The white Bowden hose is stretched between the extruder and the print head, and the Flsun Super Racer is ready for use.
After it is switched on, the printer first needs to be calibrated. For this we need the small attachment supplied. This is clipped onto the print head from below and the cable is connected to the free white end of the cable. After that we start the auto leveling. The software asks whether the sensor is also clipped on. Once this has been confirmed, the Flsun Super Racer automatically measures its pressure bed. Don’t forget to remove the sensor afterwards. Evil voices claim that this has even happened to professionals like us. ahem.
software
The software of the Flsun Super Racer is controlled via a capacitive color touch screen. Connected via a coiled cable, it can be held further down or up the strut of the Flsun Super Racer by means of a magnetic holder, as required. The display itself is clearly laid out and all the necessary settings are available. A small drop of bitterness: The printing speed can be increased to a maximum of 200% during printing, after which it is over.
The Flsun Super Racer works with quiet TMC stepper drivers, which is clearly evident in operation. In general, the Super Racer is a very quiet printer. In normal operation, the loudest noise is from the extruder when it performs the retraction in the event of pressure jumps – i.e. before lifting the print head from the component, quickly pulls the filament back a little so that it does not pull any threads when moving.
hardware
The processing of the running rails is flawless. Everything is solid and precisely manufactured. The complete housing including the guide rods for the motors is made of metal. Other manufacturers can take this as an example.
The print bed consists of a hardened glass plate coated with carborundum. These plates are the current standard. Big advantage: The dotted surface with different textures creates tension when the printed part cools down. After cooling, the print results can be easily detached from the print bed.
FLSun Super Racer:
FLSun Super Racer
FLSun Super Racer: Structure
The filament processing system consists of a print head that is connected to a dual gear extruder via a Bowden tube. The print head has double component cooling and the brackets for the articulated heads are cast in one piece. The extruder is also not a standard China part.
print quality
For the quality, the print speed is breathtaking. We printed the USB holder and the Kalifa at a speed of 120mm/s. We chose the magicPLA DEEP SPACE from 3D Jake as the filament and got a very clean result. There is only one small drawback, which we also know from many other 3D printers: the tips become unclean due to the waste heat from the hot nozzle.
After that we wanted to know what’s really in the Super Racer. Can he do the Pantheon at 200mm/s and the Zip Tie Holder at 300mm/s? Admittedly: At 300 mm/s even the pressure movements of the Flsun Super Racer no longer sound healthy, but the pressure became very good.
FLSun Super Racer: Print results
FLSun Super Racer: Print results
FLSun Super Racer: Print results
The only real disadvantage of the Flsun Super Racer is the spinning – so it pulls strings. We first noticed strong spinning with the cable tie holder. To solve this we increased the retract speed in the slicer settings in Cura. Lo and behold: it got much better. Admittedly, wafer-thin threads could still be seen. A Bunsen burner, with which you can simply melt the threads, provides a remedy. We suspect that the retract speed just isn’t high enough to compensate for the rapid pressure movements. It is also possible that the long path of the filament from the extruder to the nozzle via the Bowden hose leads to problems. This distorts the fast retract times. Ultimately, it’s a matter of fine-tuning the pressure and retract speed. What is the best middle ground there,Leaderboard: Top 10 FDM 3D printers.
Conclusion
For the price of 499 euros at 3D Jake , the Flsun Super Racer is an extremely fast and quiet 3D printer with a decent medium-sized build space for 3D printers. If you want even more luxury, you should wait for the Flsun V400 High Speed, which will be available from October for 750 euros with a direct drive extruder and an installation space of 300 x 400 mm. If you have to print a lot quickly, you will definitely be satisfied with the Flsun Superracer if the 260 mm print bed area in diameter is sufficient.
If you are looking for a cheaper printer, you have to make compromises in terms of speed. The best 3D printers are available from 170 euros .