1. Axial Flux Core Technology

2. Background:
Electric Machines
Classification

3. Brush Vs. brushless brushless brush driver Stator windings
Rotor magnets
driver
brushless
brush

4. Disk Vs. cylindrical
Disk-shaped
Cylindrical

5. Axial Vs. radial Torque Currents Magnetic field Rotation axles
Axial-Field
Radial-Field

6. WE DEAL WITH AND OFFER:
Brushless
Axial field
Disk-shaped

7. Why do we offer …

8. … Brushless ? No brushes – no maintenance
No brushes – long working life
No brushes – no sparking
No brushes – reduced EMI / RFI

9. System with DISK-SHAPED system with CYLINDRICAL

10. … Axial Flux ?
RADIAL FLUX
AXIAL FLUX

11. Axial Flux Core Technology
Detailing The
Axial Flux Core Technology

12. Electromagnetic Structure

13. General Design Right stator rotor Left housing Right housing

14. Stator
Core
Active coil part
Internal overhang
External overhang

15. Rotor
Permanent magnets
Shaft
Carrying structure

16. of Axial-Flux Machines
Additional Features
of Axial-Flux Machines

17. Various Stators-Rotors Combinations

18. Modularity - Example of 3-Module Structure

19. Principle Features and Advantages

20. Features
Axial direction of magnetic flux and radial direction of electric currents
Thin disk-shaped rotor
Flat Nd-Fe-B magnets
Reeled electric steel core
Thermo conducting cooling mechanism
Reduced cogging

21. Advantages
Excellent torque-to-volume, torque/weight ratios (up to 2÷3 Nm/kg)
High stall torque
Highest acceleration
Low mechanical time constant
Wide operating speed range
Allowance for peak torques without forced cooling

22. Applications Drives for robotic (with and without transmission)
Drives for high inertia loads
Direct drive rotation tables
Torquers

23. Implementations Servo-motors for robotics
BDM 002 (4.4 Nm stall 4.4 kg)
BDM 006 (14.4 Nm stall 10.0 kg)