MANUFACTURE OF COMPONENTS FOR GENERATORS AND ELECTRIC MOTORS: STATOR, ROTOR AND POLE STACKED CORES

Donako manufactures windingready stator, rotor and cores for electric generators in the hydro, wind and nuclear power sectors, as well as electric motors.

Machines:

• furnaces,
• welding units,
• column presses for stacks,
• measuring columns.

Technical capabilities:

• manufacture of stator, rotor and pole stacks by welding, bolting, clamping or baking,
• maximum weight of the core with stacking device: 50T,
• maximum temperature of circulating air reached in furnaces: 250℃,
• pressing of sheet metal batches with maximum pressure: 500T,
• MIG/MAG welding of batches under high press pressure,
• baking of sheet metal batches in specially prepared devices,
• maximum internal dimensions of the furnace: 4,2 x 2 x 4.2 m.
• reading of dial gauges up to a radius of: approx. 10 m.

Dimensions and tonnage of electrical machinery components:

• inner diameter of stator cores approx. (0.7 – 4 m),
• outer diameter of rotors approx. (0.5 – 3m),
• maximum lifting capacity of the crane for transporting the frame section or stacks: 100T.

In our offer we have:

• Stator core in housing:
  
  • split and unsplit,
  • with welded and screwed lugs,
  • with straight and angled core grooves,
  • with walls or pressure segments,
  • insertion of core into housing via baking.

• Slip-on type stator core:
  • with transversed outer diameters of intermediate and lock rings for subsequent insertion into the frame housing.

• Rotor core:
  • with pressure rings or segments,
  • with or without hub and hub for shaft,
  • hub assembly in baked core,
  • shaft mounting in rotor core without hub.