Review: Anycubic Kobra Plus 3D Printer – Quality Printing is Easier and Easier

Deepak Gupta June 24, 2022
Updated 2022/06/24 at 1:34 PM

3D printers have played a very important role, not only in the areas of scientific research and development, but also in more playful areas such as makers, enthusiasts or just the most “curious”. There is a lot on the market, with options for different requirements and also different pockets. THE Anycubic is one of those that strikes a good balance in quality and price.

Today we bring you the review of an FDM printer from Anycubic’s top FDM range, the new Anycubic Kobra Plus.

3D printers began to appear closely linked to the world of "makers", enthusiasts with electronic skills, but quickly became a product accessible to most people. If, until recently, a 3D printer was delivered to the user as a real puzzle, with countless adjustments and calibrations to be done, with detailed steps and unexpected problems, today it takes 10 minutes to be ready to work and with an automatic calibration process. This, of course, not to mention some models that are already delivered ready to use, in a completely assembled and protected structure.

In the case of Anycubic Kobra Plus, under analysis, it is a FDM printer mid-range, with an ordinary structure, but with details that distinguish it. It is modular, comes partially assembled and almost ready to work, where the assembly process is very simple. The first results, without tuning, are fantastic.

About Anycubic

Anycubic is a leading company in the 3D printer industry, specializing in the R&D, manufacture and sale of 3D printers. It offers a comprehensive showcase of affordable, smart, high-performance printers targeted at different types of consumers, including hobbyists, students and designers.

Founded in 2015, it is committed to advancing 3D printing technology, enabling people in all industries to unleash their imaginations and turn creativity into reality.

In the box of Anycubic Kobra Plus

The material comes all very well packaged and organized, and in the box we can find:

  • Printer base (includes printing base with YY motor, power supply and all control system)
  • Top or frame/frame (includes extruder with cooling and filament feeder motor and sensor, XX motor and ZZ motors)
  • Resistive 4.3" color touchscreen
  • Carborundum-coated glass plate and base clamps
  • filament support
  • tool kit
  • 8 GB memory card with USB reader
  • Screws for top and display stand (duplicate)
  • Power cable
  • USB cable
  • Test filament (10 meters)
  • Grease

Specifications

  • Black color
  • Machine frame material: aluminum alloy
  • Print area: 300 x 300 x 350 mm
  • Printing accuracy: 0.05 - 0.3 mm
  • Nozzle diameter (nozzle): 0.4 mm
  • Print speed: 20mm/s max 100mm/s
  • Maximum nozzle temperature: 260ºC
  • Maximum base temperature: 100ºC
  • Filament material support: PLA, ABS, PETG, TPU, etc
  • Input file format: STL, OBJ, JPG, PNG
  • Output file format: GCode
  • Printing method: microSD card (offline), USB connection to PC (online)
  • Printing software (slicer): Cura, Repetier-Host, Simplify 3D, among others
  • Product Size: 605 x 560 x 546 mm

Other features

  • Anycubic LeviQ leveling technology, with 25 points
  • ZZ axle with dual motorized rod
  • filament sensor
  • modular design
  • Carborundum-coated glass plate to improve adhesion and facilitate removal
  • tool storage drawer

Mounting

Kobra Plus is a modular printer made up of 5 main parts: base, glass plate, upper frame, filament holder and screen. These are the only parts to assemble, something that shouldn't take more than 10 to 15 minutes.

With the printer, an installation manual is provided, easy to understand and very complete in every step.

Thus, in 6 steps it is possible to assemble the entire structure:

  • Screw the top to the base
  • Place the glass dish on the heated base and secure with clamps.
  • Screw the touchscreen
  • Place the filament holder (no screws)
  • Connect all cables (extruder, XX and ZZ motors, display and ZZ axis sensor)
  • Cut all transport protection clamps and secure the extruder cable together with the filament feed tube

The assembly process is thus completed, and the printer is ready to operate.

Additionally, and mainly because it is the first use, it is important to make some adjustments, which will be discussed later.

Glass plate with carborundum coating

In FDM 3D printing, the heated base is very important to help the material not cool down as quickly, thus allowing for a better fixation. In addition, it helps to prevent deformation of materials, especially corners on larger pieces, which tend to lift with cooling.

In addition to the heated base, which sometimes only has a single glass, there are materials that help to strengthen the adhesion, such as fixing spray, hairspray, glue stick, paper tape or... a glass. with a good coating.

After having already used all the techniques/materials I mentioned, the result with a carborundum coated glass is by far the best, and it doesn't require work or additional materials.

The material attaches very well to the covering, in its entirety, and when removing it, it is enough to lift a corner that the whole piece comes off. It is important not to use metal tools to try to unstick the objects, as they will damage the coating.

So for any printer, a glass with this type of coating is something I recommend.

Final checks and leveling

As checks for the first use, and also after several hours of operation, it is important to check the clearances of the extruder and the base, namely in the bearing pulleys (wheels) that allow movement along the chute.

Thus, the extruder and the base must be lacquered to identify the gap, and remove it with a slight adjustment in the nut of each pulley, with the help of a spanner. After taking the slack, it is important to check that the movement has not been stuck due to excessive tightening.

To finish the manual adjustments, it is also important to check the tension of the belts, so that they are neither loose nor stretched too much. The existing tensioners are very practical and simple to use.

Coming later to the base leveling phase, everything is done automatically, which is something that makes the process a lot easier, especially for those who have no experience in leveling manually.

So, just go to the menu Prepare > Leveling > Auto-leveling, place an object next to the nozzle so that the sensor calibrates the closest point, and then let everything happen automatically, at 25 points.

After leveling, it's time to load filament and start printing.

Available features

From the printer screen, it is possible to access various features, from leveling, preheating to a manually adjustable temperature, and the process of inserting/removing filament in the extruder.

Then there are other features such as moving the motors to any position, manually adjusting the temperature, setting a speed coefficient, turning the extruder LED on/off, and unlocking the motors.

During printing, all adjustments are also available, something very useful when an inappropriate value is identified already during printing.

the first results

Simple assembly, easy adjustments, zero configuration (provided profile was used), impeccable print.

With the power outage and printing resumed, the process went well. However, as you would expect, an imperfection is noticed at the location of the print where this happened. But of course, that is preferable to having to give up all impression.

I also used a PLA+ Silver filament from Anycubic, which I had never used before. The result in surface uniformity is generally very good, and with 0.1mm layers it is really impressive, although the shrinkage seems to suffer, possibly due to an unsuitable temperature. These are details that will be tested in the next prints.

verdict

THE Anycubic Kobra Plus 3D printer stood out in several aspects, such as the compact design (power supply in the base), the ease and speed of assembly, the existence of automatic leveling, heated base with quality coating and very intuitive user interface. The entire assembly process and first use went as expected, without any mishap.

Overall, it's a silent printer. The motors are almost inaudible, and the fans (source and extruder) aren't the loudest, so that's a positive point.

The LED on the extruder and the small tool storage drawer are also small but interesting details, as they set themselves apart from the competition.

The Anycubic Kobra Plus 3D printer is available on the official website for $517, around €491, with free shipping and shipping from Europe.

Pplware thanks Anycubic for providing the Anycubic Kobra Plus printer for review.

Anycubic Kobra Plus

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