Published on Thu Jul 30 2020 08:19:54 GMT+0000 (Coordinated Universal Time) by Alex

Anycubic Kobra Max: A Deep Dive into Large-Format 3D Printing

The Anycubic Kobra Max is a large-format FDM (Fused Deposition Modeling) 3D printer aimed at hobbyists, makers, and professionals looking to produce sizable prints without breaking the bank. It’s known for its generous build volume, ease of use features, and overall solid performance for its price point. This article will explore everything you need to know about the Kobra Max, from its specifications to practical tips for getting the best results.

Unboxing and Assembly

The Kobra Max typically arrives partially assembled, making the setup process relatively straightforward. The main frame and base are pre-built, leaving you to connect the Z-axis gantry, wiring, and other components. Anycubic includes clear, illustrated instructions, and most users report a smooth assembly experience, often taking less than an hour. It’s highly recommended to double-check all screw connections for tightness and ensure proper cable routing before powering on the printer.

Key Specifications

• Print Technology: FDM (Fused Deposition Modeling)
• Build Volume: 400mm x 400mm x 450mm
• Nozzle Diameter: 0.4mm (standard)
• Layer Resolution: 0.05-0.3mm
• Print Speed: 20-100mm/s (recommended), max 180mm/s
• Travel Speed: Max 200mm/s
• Filament Diameter: 1.75mm
• Supported Materials: PLA, TPU, ABS, PETG, Wood
• Bed Temperature: Up to 90°C
• Nozzle Temperature: Up to 260°C
• Leveling: Automatic, Anycubic LeviQ (strain gauge based)
• Connectivity: SD Card, USB
• Power Supply: 550W
• Frame: Aluminum Profile
• Display: 4.3-inch Color Touch Screen
• Filament Sensor: Yes
• Resume Print: Yes
• Operating System Compatibility: Windows, macOS
• Slicing Software: Cura, Simplify3D, PrusaSlicer (recommended)
• Weight: ~21 kg

Feature Highlights

• Large Build Volume: The 400x400x450mm print area is the Kobra Max’s biggest selling point. It opens up possibilities for creating large props, functional prototypes, and multi-part assemblies without the need for splitting and joining.
• Anycubic LeviQ Auto Leveling: This auto-leveling system uses a strain gauge to detect the print bed surface. It significantly simplifies the bed leveling process, ensuring consistent first layer adhesion.
• Integrated Filament Sensor: The filament sensor pauses the print if the filament runs out, allowing you to replace the spool and resume printing, saving time and material.
• Resume Print Function: If there’s a power outage, the Kobra Max can resume the print from where it left off, preventing print failures.
• User-Friendly Touchscreen: The 4.3-inch color touchscreen provides a simple and intuitive interface for controlling the printer and navigating settings.
• Sturdy Frame Construction: The aluminum profile frame provides stability and reduces vibrations during printing, leading to improved print quality.

Usage Tips for Optimal Results

• Bed Preparation: Even with auto-leveling, proper bed preparation is crucial. Clean the print bed with isopropyl alcohol before each print to remove any oils or residues. Using a thin layer of glue stick or hairspray can improve adhesion, especially for materials like ABS.
• Filament Storage: Keep your filaments dry. Moisture can cause printing issues like stringing, bubbling, and poor layer adhesion. Store filaments in airtight containers with desiccant packs.
• Slicing Settings: Experiment with slicing settings to find what works best for your specific filament and print. Key settings to adjust include print speed, temperature, layer height, and infill density.
• Print Speed Optimization: While the Kobra Max can reach high print speeds, it’s generally recommended to stay within the 20-100mm/s range for optimal print quality. Reduce speed for intricate details or tall, slender prints.
• Cooling: Proper cooling is essential, especially for PLA. Ensure that the part cooling fan is functioning correctly and adjust the fan speed based on the material and print settings.
• First Layer Calibration: While the auto-leveling system is effective, it’s still essential to dial in the Z-offset to achieve perfect first-layer adhesion. Make small adjustments during the first layer until the filament is properly squished onto the bed.
• Maintenance: Regularly clean the nozzle, lubricate the Z-axis lead screws, and check for loose belts to keep the printer running smoothly.

Anycubic Kobra Max Performance Rating

Here’s an evaluation of the Anycubic Kobra Max across various performance categories, each rated out of 10:

• Print Quality: 8/10 – Generally good quality, especially after fine-tuning. Can produce detailed prints with proper settings.
• Build Volume: 10/10 – Excellent. The large build volume is its standout feature.
• Printing Speed: 7/10 – Decent speeds are achievable, but quality may suffer at the maximum limit.
• Material Compatibility: 8/10 – Handles PLA, TPU, ABS, PETG, and Wood PLA well, with proper temperature adjustments.
• Bed Adhesion & Leveling: 9/10 – LeviQ Auto Leveling is effective and reliable.
• Reliability: 7/10 – Generally reliable, but occasional issues can arise, especially with long prints.
• Ease of Use: 8/10 – The touchscreen interface and auto-leveling simplify the printing process.
• Firmware and Software: 7/10 – The firmware is adequate, and compatible with popular slicing software.
• Connectivity Options: 6/10 – SD card and USB connectivity are functional but lack advanced options like Wi-Fi.
• Build Quality & Durability: 7/10 – Aluminum frame provides good stability.
• Noise Level: 6/10 – Noticeable noise during operation, especially during rapid movements.
• Maintenance Requirements: 7/10 – Regular cleaning and lubrication are necessary.
• Customer Support: 6/10 – Decent customer support available.
• Upgradeability: 6/10 – Some upgrade options are available.
• Price to Performance Ratio: 9/10 – Offers excellent value for its large build volume and features.

Average Score: 7.4/10

Conclusion

The Anycubic Kobra Max is a compelling option for anyone seeking a large-format 3D printer without a premium price tag. Its substantial build volume, user-friendly features like auto-leveling, and overall solid performance make it a worthwhile investment for hobbyists, makers, and small businesses. While it may require some fine-tuning and attention to detail, the Kobra Max is capable of producing impressive prints that are sure to satisfy your large-scale 3D printing needs.

Written by Alex