RapidChange Revo Support

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Revo Six/ MK3

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Revo Mini

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Revo CR/ Sprite

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Revo Voron

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Revo Hemera XS

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Revo Roto

Revo Roto Summary

  • Drive type: Dual drive
  • Mass: 140g (157g including Revo hotside and nozzle)
  • Nominal steps per mm (16x microstepping): 2682
  • Rotation distance (including the gear ratio): 26.8937
  • Extrusion force: 70N+
  • Gear ratio: 11.262:1
  • Recommended current: 0.45A Peak (0.318A RMS)
  • Maximum current: 0.6A Peak (0.424A RMS)
  • Temperature sensor type: Thermistor, Semitec 104NT-4-R025H42G
  • Motor voltage: 24V
  • Fan voltage: 5V (12V/24V regulator boards available)
  • Filament Diameter: 1.75mm

Performance Characteristics

  • Maximum ambient printing temperature: 40°C

Service Temperatures

Note, these are maximum ambient service temperatures of the components used and not a guaranteed operating temperature of the system

  • Fan: 70°C
  • Motor: 50°C
  • Gearbox: 85°C
  • Idler: 85°C

Fan Specification

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  • Wire Length: 130mm
  • Rated Voltage: 5 VDC
  • Rated Current: 0.14 A + 10% Max
  • Noise Level: 33.6 dB (A)
  • Weight: 7g
  • Black Wire: Ground
  • Red Wire: Positive

Motor Specifications & Diagrams

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  • Motor mass: 50 g
  • Motor wire length: 40mm
  • Phase number: 2 phases
  • Rated voltage: 4.5 VDC
  • Recommended motor current: 0.45A Peak (0.318A RMS). Do not exceed 0.6A Peak (0.424A RMS).
  • Resistance (20 °C): 7.5±10% Ω / Phase
  • Holding torque: 75 mNm
  • Detent torque: 5 mNm
  • Rotate direction: ABCDA CW
  • Step angle: 0.9°
  • Rotor inertia: 7 gcm²

Heatsink Thermistor

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  • Cartridge length: 10mmv
  • Cartridge diameter: 3mm
  • Thermistor wire length: 70mm
  • Temperature sensor type: Thermistor, Semitec 104NT-4-R025H42G

Filament Sensor

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  • Weight ≈ 14.4g
  • Connector: JST SH SM04B-SRSS-TB(LF)(SN)
  • Filament runout sensor
  • Programmable action button
  • Bi-color LED to show status:
  • Red - no filament detected
  • No Light - filament present
  • Blue - action button is pressed

Filament Sensor Wiring

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  • Green wire - Action Button
  • Blue Wire - Filament Sensor
  • Red - VCC (3.3V-5V)
  • Black - GND

Maintenance

  • Do not remove the grease from the drive gears.
  • Use a brush or compressed air to dislodge filament debris from hobb teeth.

Materials

  • Heatsink: Aluminium
  • Gearbox: Steel, POM
  • Idler: Delrin
  • Bushings: Oilite
  • Fixings: Steel

Exploded View

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Roto connectors

Parts Housing/PCB Connector Crimp Wire Gauge
MotorMolex Microfit 3.0, 43025-0400 Molex Microfit 3.0, 43030-0004 (reel), 43030-0010 (bag) 28 AWG
2-wire Fan Molex Microfit 3.0, 43645-0200 Molex Microfit 3.0, 43030-0004 (reel), 43030-0010 (bag) 28 AWG
3-wire Fan Molex Microfit 3.0, 43645-0300 Molex Microfit 3.0, 43030-0004 (reel), 43030-0010 (bag) 28 AWG
Heatsink Thermistor LHE C3001-H02 LHE C3001-TP2 28 AWG
Filament Sensor JST SH SM04B-SRSS-TB(LF)(SN) N/A N/A

Recommended Mating Connectors

Parts Housing/PCB Connector Crimp Wire Gauge Table header 4
MotorMolex Microfit 3.0, 43020-0401 Molex Microfit 3.0, 43031-0001 (reel), 43031-0007 (bag) 24 AWG Molex Microfit 3.0, 43045-0400 (right angle)
2-wire Fan Molex Microfit 3.0, 43640-0201 Molex Microfit 3.0, 43031-0001 (reel), 43031-0007 (bag) 24 AWG Molex Microfit 3.0, 43650-0200 (right angle)
3-wire Fan Molex Microfit 3.0, 43640-0301 Molex Microfit 3.0, 43031-0001 (reel), 43031-0007 (bag) 24 AWG Molex Microfit 3.0, 43650-0300 (right angle)
Heatsink Thermistor Molex Microfit 3.0, 43640-0201 Molex Microfit 3.0, 43031-0001 (reel), 43031-0007 (bag) 24 AWG Molex Microfit 3.0, 43650-0200 (right angle)
Filament Sensor JST SHR-04V-S-B JST SSH-003TP0.2- H 28 AWG N/A

Revo Six

Revo CR

Revo Micro 

Revo Hemera XS

Revo Hemera

Revo Voron

Revo Nozzles

Revo Open Coldside