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Phaetus Rapido Hotend¶
Overview¶
The Phaetus Rapido is a modern, high-performance hotend designed for fast heating and high flow rates, making it ideal for speed printing applications.
Specifications¶
Technical Details¶
| Parameter | Value | Notes |
|---|---|---|
| Max Temp | 350°C | HF version |
| Flow Rate | Up to 25mm³/s | HF version |
| Heat Time | 35s to 200°C | Ultra-fast |
| Weight | 23g | Lightweight |
Variants¶
Available Models
Standard Flow (SF):
- Flow rate: up to 15mm³/s
- Better detail quality
- Standard applications
High Flow (HF):
- Flow rate: up to 25mm³/s
- Optimized for speed
- Production printing
Installation¶
Required Tools¶
- 2mm hex key
- 2.5mm hex key
- 7mm wrench
- Thermal paste
- Heat block sock
Mounting Steps¶
Installation Process
1. Mount heat break
2. Install heat block
3. Connect heater/thermistor
4. Install nozzle
5. Mount cooling
Configuration¶
Klipper Settings¶
Example Config
[extruder]
step_pin: PE3
dir_pin: PE4
enable_pin: !PE5
microsteps: 16
rotation_distance: 33.500
nozzle_diameter: 0.400
filament_diameter: 1.750
heater_pin: PA2
sensor_type: PT1000
sensor_pin: PF4
min_temp: 0
max_temp: 350
max_power: 1.0
pressure_advance: 0.035
PID Tuning¶
| Parameter | Typical Value | Notes |
|---|---|---|
| Kp | 28.0 | Proportional |
| Ki | 1.8 | Integral |
| Kd | 115.0 | Derivative |
Maintenance¶
Regular Checks¶
Maintenance Schedule
Weekly:
- Clean nozzle
- Check heat break
- Verify temperatures
Monthly:
- Full disassembly
- Deep cleaning
- Parts inspection
Common Issues¶
- Heat creep
- Nozzle clogs
- Temperature fluctuations
- Leakage
Performance¶
Print Settings¶
| Material | Temperature | Speed |
|---|---|---|
| PLA | 200-220°C | Up to 200mm/s |
| PETG | 230-250°C | Up to 150mm/s |
| ABS | 240-260°C | Up to 120mm/s |
| TPU | 220-235°C | Up to 60mm/s |
Flow Testing¶
Flow Test
# Standard test parameters
layer_height = 0.2
line_width = 0.4
speed = 150 # mm/s
# Calculate volume
flow_rate = layer_height * line_width * speed
Troubleshooting¶
Common Problems¶
| Issue | Cause | Solution |
|---|---|---|
| Under-extrusion | Heat creep | Check cooling |
| Stringing | Temperature | Adjust retraction |
| Leaking | Assembly | Check torque |
| Jamming | Heat break | Clean/replace |
Maintenance Tips¶
- Use thermal paste
- Proper torque
- Regular cleaning
- Temperature validation
Upgrades¶
Compatible Parts¶
Upgrade Options
Nozzles:
- Hardened steel
- Ruby tipped
- Tungsten carbide
- Brass (standard)
Heat Breaks:
- Bi-metal
- Titanium alloy
- High-flow version
Performance Mods¶
- Enhanced cooling
- Better insulation
- Temperature sensors
- Nozzle materials