Dunkermotoren BG65X50SI

Product Brief Introduction

Integrated permanent magnet BLDC servo motor with integrated hall sensor feedback, optimized for continuous duty compact automated machinery motion control, compatible with Dunkermotoren standard servo drive platforms.
Category:
Description

Technical Specifications

  1. Stator Frame Size: 65 mm outer diameter, stator stack length 50 mm
  2. Rated Nominal Voltage: 48 VDC standard industrial low voltage
  3. Rated Continuous Torque: 1.8 N·m
  4. Peak Stall Torque: 5.4 N·m
  5. Rated Continuous Speed: 3000 RPM
  6. Hall Feedback Resolution: 3-channel digital hall position sensors
  7. Shaft Standard Diameter: 14 mm smooth solid output shaft
  8. Mounting Flange Standard: B14 circular 65mm flange mounting
  9. Operating Temperature Class: Class F winding insulation (max 155°C winding temperature)
  10. IP Enclosure Rating: IP54 standard motor housing

Functional Features

  • Sinusoidal commutation via hall sensor position feedback for low vibration smooth rotation
  • Integrated thermal PTC winding temperature sensor for overheat protection
  • Low cogging torque design for precision positioning motion applications
  • Bi-directional continuous rotation, speed range 0–4500 RPM
  • Direct compatibility with Dunkermotoren BG series dedicated servo drives

Structural Characteristics

  • Cylindrical aluminum motor housing with integral cooling ribs
  • Front circular mounting flange with four symmetrical fixing holes
  • Rear terminal connector block for power, hall feedback and thermal sensor wiring
  • Sealed front shaft lip seal to resist fine dust and water splash

Material Composition

  • Motor housing: Die-cast aluminum alloy A380
  • Rotor permanent magnet: High-energy neodymium iron boron magnet
  • Stator winding: Class F enameled copper magnet wire
  • Shaft material: Hardened 42CrMo alloy steel with anti-corrosion passivation
  • Bearing assembly: Double shielded high-speed ball bearings

Working Principle

Three-phase BLDC stator winding generates rotating electromagnetic field under drive power supply; neodymium permanent magnet rotor follows rotating field to produce mechanical torque; three hall sensors detect rotor magnetic pole position in real time and transmit position signal to servo drive; drive adjusts phase commutation timing based on hall feedback to maintain smooth torque output; embedded PTC thermistor monitors winding temperature and transmits overheat signal to drive unit for power cut-off protection at over-temperature threshold.

Advantage Highlights

  • Compact 65mm frame delivers high continuous torque for limited-space automation equipment
  • Low cogging torque enables precise low-speed positioning without mechanical reduction backlash
  • Integrated thermal monitoring eliminates external winding temperature detection hardware
  • IP54 dust/water splash rating suitable for light production workshop environments
  • Standardized mechanical mounting interface for interchangeability across automation platforms

Applicable Industries

Packaging automation machinery, textile processing equipment, laboratory precision handling robots, medical automated instruments, conveyor speed regulation systems, printing press motion axes

Installation Requirements

  1. Mount motor flange rigidly to equipment metal frame with four M6 mounting bolts at 3 N·m torque
  2. Align motor output shaft coaxial with driven load to eliminate radial bearing stress
  3. Maintain minimum 15mm clearance around motor cooling ribs for natural convection cooling
  4. Use shielded motor power cable and separate feedback signal cable routing
  5. Secure rear circular connector locking ring fully to prevent vibration-induced disconnection

Usage Precautions

  • Do not operate motor at sustained speed exceeding 4500 RPM; premature bearing wear occurs
  • Avoid radial load applied directly to output shaft without flexible coupling adapter
  • Prevent liquid chemical splashing onto motor rear terminal connector assembly
  • Conduct regular grease replenishment for ball bearings every 8000 operating hours
  • Disable motor power immediately upon thermal overheat alarm signal from PTC sensor
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