Hhiddo HGX-LITE-extruder

HGX-LITE All Metal Hardened Steel Reduction Gear Extruder

Instruction Manual

1. Introduction

The Hhiddo HGX-LITE Extruder is an all-metal, hardened steel reduction gear extruder designed for enhanced performance and durability in 3D printing. It features a high-speed motor and is compatible with a range of popular 3D printers, including Creality CR10 Series, Ender 3 Series, and VORON Series. This manual provides essential information for the proper setup, operation, and maintenance of your HGX-LITE Extruder.

HGX-LITE Extruder components including motor and various colored extruders
Figure 1: HGX-LITE Extruder and included components.

2. Features

  • All-Metal Construction: Ensures high durability and consistent performance.
  • Hardened Steel Reduction Gears: Provides a 9.54647:1 transmission ratio for powerful and precise filament extrusion.
  • High Extrusion Force: Capable of generating an extrusion force greater than 60N.
  • High-Speed Printing Support: Designed to support printing speeds exceeding 180mm/s, reducing filament slippage and loss due to greater gear contact area.
  • Easy Maintenance: Simplified design allows for easy maintenance by removing only three screws.
  • Hollowed-Out Design: Enables better observation of gear wear for timely maintenance.
  • Wide Filament Compatibility: Supports various thermoplastic filaments including PLA, PETG, TPU, ABS, PEEK, nylon, and composite fiber filaments.
  • High Temperature Resistance Motor: Motor features Insulation Class H, a service life of up to 5000 hours, and heat resistance up to 180°C.
  • Optimized Motor Temperature: Under 1A operating current, the motor temperature is consistently maintained below 60°C.
Close-up of the 3D Printer Extruder highlighting large contact surface, wear resistance, and high transmission efficiency.
Figure 2: Extruder highlighting large contact surface and high transmission efficiency.
High Temperature Resistance Insulation Class H motor, service life up to 5000 hours, heat resistance 180°C.
Figure 3: Motor with High Temperature Resistance Insulation Class H.

3. Specifications

Specification ItemDetails
Model NumberHGX-LITE-extruder
Item TypeJ-Head
Brand NameHhiddo
CompatibilityCR10 Series, CR6 SE Series, Ender 3 Series, Ender 5 Series, E3D Series, MK Series, Voron Series, Nema 14 with 10 teeth gear motor
Applicable ConsumablesPLA, PETG, TPU, ABS, PEEK, Nylon, etc.
Filament Diameter1.75mm
Transmission Ratio9.54647:1
Extrusion ForceGreater than 60N
Max Printing SpeedOver 180mm/s
Extruder Dimensions (approx.)50.8mm (L) x 49mm (H) x 27.5mm (W)
Extruder Weight (approx.)145g (lighter mass 76g variant available)
Motor Rated VoltageDC 2.4V
Motor Wire Length100cm
Motor Weight98.7g
Installation Hole Position2-φ3.1, Center distance 43.5mm
Gear Modulus (m)0.5
Number of Teeth (z)10
Pressure Angle (a)20°
Graduation Circle Diameter05
Gear Outer Diameter06-0.05
Dimensions of the HGX-LITE Extruder (side and top views).
Figure 4: Extruder dimensions.
Table of detailed specifications including transmission ratio, pulse, gear counts, filament support, and installation hole position.
Figure 5: Detailed Extruder Specifications.
Stainless steel gear parameters, motor wiring diagram, excitation sequence, and motor specifications (rated voltage, wire length, weight).
Figure 6: Stainless Steel Gear Parameters and Motor Specifications.

4. Setup and Installation

The HGX-LITE Extruder is designed for flexible installation, allowing for both remote and short-range printing configurations. Users can design their own installation models to integrate the extruder with various 3D printer setups.

4.1 Component Overview

Before installation, familiarize yourself with all components included in the kit. The kit typically includes the extruder body, motor, gears, various screws, bearings, and other small parts.

Gears Parts Kit components.
Figure 7: Gears Parts Kit components.

4.2 Assembly Steps

  1. Refer to the installation explosion diagram for the correct order of assembly.
  2. Carefully assemble the gears, bearings, and other internal components into the extruder housing.
  3. Attach the motor to the extruder body, ensuring proper alignment of the drive gear.
  4. Mount the assembled extruder to your 3D printer's hotend or frame, depending on your chosen configuration (remote or short-range).
  5. Secure the extruder using the provided screws.

Important Note: Do not tighten the screws completely when there is no filament installed. Over-tightening can cause the aluminum parts to get stuck.

Installation explosion diagram and custom installation reference showing how the extruder mounts to a 3D printer hotend.
Figure 8: Installation explosion diagram and custom installation reference.

4.3 Wiring the Motor

The extruder motor is a Nema 14 type with a 10-tooth gear. Connect the motor wires according to the diagram below. Ensure correct polarity and sequence for proper operation.

Motor wiring diagram and excitation sequence.
Figure 9: Motor Wiring Diagram and Excitation Sequence.

5. Operation

5.1 Filament Loading

  1. Ensure your 3D printer is powered on and the hotend is at the appropriate temperature for your filament.
  2. Gently insert the filament into the extruder's input hole.
  3. Press the lever to open the filament path and guide the filament through the gears until it reaches the hotend.
  4. Release the lever. The pressure adjustable spring will ensure proper grip on the filament.
  5. Initiate a small extrusion command from your printer's control panel to confirm filament flow.

5.2 Filament Unloading

  1. Heat the hotend to the appropriate temperature for your filament.
  2. Press the extruder lever to release tension on the filament.
  3. Gently pull the filament out of the extruder.

5.3 Adjusting Extrusion Pressure

The extruder features a pressure adjustable spring. If you experience issues with filament grip or excessive pressure, you can fine-tune the spring tension. Refer to the exploded view for the location of the adjustment mechanism.

Exploded view of gears and pressure adjustable spring.
Figure 10: Pressure adjustable spring mechanism.

6. Maintenance

Regular maintenance ensures the longevity and optimal performance of your HGX-LITE Extruder.

  • Cleaning: Periodically clean any filament dust or debris from the gears and filament path. The hollowed-out design allows for easy visual inspection of gear wear.
  • Gear Inspection: Due to the hollowed-out exterior design, you can easily observe the gears for any signs of wear. Replace gears if significant wear is detected.
  • Lubrication: Apply a small amount of appropriate lubricant to the gear shafts if you notice increased friction or noise during operation.
  • Disassembly for Deep Cleaning: For thorough cleaning or component replacement, the extruder can be easily disassembled by removing only three screws.
Black extruder showing easy maintenance (3 screws) and hollowed-out design for gear wear observation.
Figure 11: Easy maintenance features of the extruder.

7. Troubleshooting

  • Filament Not Extruding:
    • Check if the hotend is at the correct temperature.
    • Ensure the filament path is clear and not obstructed.
    • Verify that the extruder motor is receiving power and rotating correctly (refer to wiring diagram).
    • Adjust the pressure adjustable spring to ensure adequate grip on the filament.
    • Check for clogs in the nozzle or hotend.
  • Grinding Filament:
    • This often indicates a clog or too much resistance in the hotend.
    • Reduce printing speed or increase hotend temperature.
    • Check for excessive tension from the pressure adjustable spring.
    • Inspect gears for wear or debris.
  • Motor Not Moving/Incorrect Direction:
    • Verify motor wiring against the provided diagram (Figure 9).
    • Check motor connections for looseness.
    • Ensure the motor driver on your mainboard is functioning correctly.
  • Aluminum Parts Stuck After Assembly:
    • This can occur if screws were overtightened without filament installed. Loosen the screws slightly and re-assemble with filament or ensure no excessive force is applied during assembly.

8. User Tips

  • Compatibility Check: This extruder is highly compatible with popular 3D printers like CR10, Ender 3, and VORON 2.4. Always verify your printer's mounting points and motor requirements before installation.
  • Filament Variety: Experiment with different filament types (PLA, PETG, TPU, ABS, PEEK, nylon) to fully utilize the extruder's wide material compatibility.
  • Optimal Settings: Fine-tune your slicer settings (retraction, print speed, temperature) after installation to achieve the best print quality with the new extruder.
  • Regular Inspection: Take advantage of the hollowed-out design to regularly check the gears for wear, especially when printing abrasive filaments.

9. Warranty and Support

For warranty information, technical support, or replacement parts, please contact Hhiddo Official Store directly through the platform where you purchased the product. Provide your order number and a detailed description of the issue for prompt assistance.

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