Technology

he installation technology comprises the assembly of rotor and stator as individual semi-finished products and their final assembly in the motor. For this process, manual devices or completely automated lines with a capacity of 2,800 motors per shift are used according to the quality requirements and productivity. 

The following technologies are used for the assembly: 

• Stamping by controlling the force and path: shaft, commutator, balancing rings, bearings, terminals, flanges, casings, etc.  
• Inserting the groove insulation and installation of front insulation if the stack is not pre-insulated with injection moulding 
• Installation (stamping, affixing, potting) of magnets for EC application 
• Winding: 
  • flyer technology,
  • needle winding,
  • pole-chain winding,
  • prototype winding of samples,
  • wire manipulation to contact position.   
• Contacting: 
  • terminal impressing/piercing the wire,
  • crimping of terminals to wire,
  • resistance welding of terminal and wire,
  • laser welding of terminal and wire (in development). 
• Balancing: 
  • milling of balancing rings or blades,
  • cutting of sheet metal,
  • adding balancing putty,
  • drilling holes in balancing ring.
• Impregnation: 
  • varnish trickling,
  • potting in vacuum.
• Bonding: 
  • surface conditioning with laser, plasma, washing and sanding,
  • orbital and standard riveting,
  • laser welding of plastic materials,
  • gluing with various materials,
  • ultrasonic bonding,
  • tight fit (also heating or cooling of components),
  • screwing with torque and turn control.
• Controls: 
  • optical control, machine vision, 3D scanning,
  • thermal vision control of contact,
  • acoustic measurements,
  • electrical measurements,
  • vibration measurements,
  • tightness measurements.
• Traceability:  
  • labelling or laser engraving,
  • material traceability per piece,
  • traceability of process parameters per piece, 
  • traceability of all controls per piece.

 

 

Competences >