CNC Metal Sherpa Mini Extruder V3 – Key Features

This latest version addresses TPU filament blockage caused by motor heat in previous models. Now upgraded with high-performance PEEK components, it delivers superior heat isolation and reliability. Now shipping 10 tooth version 3

• PEEK (30% glass fiber) gears: Upgraded from POM, offering exceptional temperature resistance, heat insulation, and wear resistance.

• Added PEEK inserts: Effectively isolates motor heat to prevent clogs and improve performance.
  
  

Compatibility:

Compatible with most FDM 3D printers, including:
Voron, CR-10, CR10S, CR-10 4S, CR-10 5S, CR-10 MINI, CR-20, Ender-2, Ender-3, Ender-3 Pro, Ender-3 V2, Gasherbrum K3, and others with custom mounting brackets.

Color Options:

• Space Gray

• Green

Construction:

• Precision CNC-machined

• Made from aviation-grade aluminum

Detailed Features:

• Lightweight, hollow all-metal frame for high precision, strength, and minimal inertia.

• PEEK (30% GF) reduction gears for higher extrusion torque.

• High-quality nano-coated hard steel gears for durability and smooth operation.

• Moons’ 36 motor (10T) provides high torque with excellent thermal management.

• Teflon tube metal fitting included—supports both direct drive and Bowden setups.

• Spur gears feature mold steel and nano-coating for longer, more stable performance.

Usage Notes

• E-steps for Ender 3: Recommended E-steps value is 870 (for 8-tooth, 36 motor).
  Example Marlin firmware setting:
  #define DEFAULT_AXIS_STEPS_PER_UNIT { 80, 80, 400, 870 }

• G-code Method:

  nginx

  
  

  M92 E870
M500
  

  
  

• Current Settings:

  • Max drive current: 1A (recommended: ~0.8A for optimal torque and cooler operation)

• Klipper Firmware:
  
  

  • For 10-tooth gear: rotation_distance ≈ 22.0
    (Calibrate for best results.)

   

Note: Gear ratios: 8-tooth (50:8), 10-tooth (50:10). Adjust extruder settings as needed for your setup.