Electric motor components
![](assets/images/2/elektro_statorsegment_1-a7d9bb3e.jpg)
stator segment with overmolded plastic insulation
- Length: currently up to 200 mm is possible
Application:
Industrial engines, hybrid automobile technology, wheel hub drives
Advantages:
- High coil density
- Compensation of stack tolerances from 0.8 mm before the insulation to 0.05 mm after insulation
- Ensuring the air gaps and creepage distances in the joint area of the individual segments
![](assets/images/6/elektro_statorsegment_umspritzt-gewickelt-zweitumspritzt_1-aca27161.jpg)
stator segment: overmolded, wound, encapsulated
- stack height = installation height: 105 mm
- stator composed of 30 segments / Ø 290 mm
Application:
Hybrid drive passenger car (Plug-In), power: 80 kW
Advantages:
- Stack, overmolding, winding and encapsulation from one supplier
- High coil packing density with small dimensions
- Contour for placing the winding wire is integrated in the part
- Sealing of the winding wire without damage of isolation
- Additional fixing of the winding by encapsulation
![](assets/images/b/elektro_stator_gedrallt_aussenlaeufer_1-ed262172.jpg)
Skewed external rotor stator with overmolded plastic insulation
- Diameter: 150 mm
- Installation height: up to 85 mm
- helix angle: 6°
Application:
Powerful industrial engines
Advantages:
- Reduction of the detent torque
- Use of loose laminations
- Stacks need no welding
- Reduction of noise
- Insulation displacement contacting integrated in the geometry
![](assets/images/5/elektro_stator_gedrallt_innenlaeufer_1-8fd5a679.jpg)
Skewed internal rotor stator with overmolded plastic insulation
- Diameter: 66 mm
- Installation height: 52 mm
- helix angle: 6°
Application:
Electric steering in cars
Advantages:
- Reduction of the detent torque
- Use of loose laminations
- Stacks need no welding
- Substitution of the powder coating
![](assets/images/6/elektro_stator_und_rotor_1-429fdd41.jpg)
Overmolded stator and rotor
- Diameter of stator: 120 mm
- Diameter of rotor: 84 mm
- Installation height: 14.5 mm
Application:
Fan for engine cooling consisting of overmolded stator and overmolded rotor with magnetized and preassembled magnets
Advantages:
- Weight and space savings
- High temperature applications
- Subsequent magnetization not necessary
![](assets/images/b/elektro_rotor_magnet_1-236a33cc.jpg)
Encapsulated rotor with rare earth magnets
- Diameter: 90 mm
- Installation height: 20 mm
Application:
Drive for engine cooling in cars
Advantages:
- Complete overmolding prevents corrosion of the magnets
- Magnets are fixed in their position by the plastic
![](assets/images/d/elektro_stator_umspritz_vor_nach_bewickeln_1-1bd900c1.jpg)
Stator with a plastic overmolding before and after the winding
- Diameter: 35 mm
- Installation height: 33 mm
Application:
Electric fuel pump for cars
Advantages:
- Additional protection of the coil against external influences combined with improved heat dissipation
- Additional fixation of the coil and the contacting
![](assets/images/2/elektro_stator_kugel_sinterlager_1-8b56fd95.jpg)
Stator with overmolded ball bearings / sintered bearings
- Diameter: 45 mm
- Installation height: 33 mm
Application:
Power tools
Advantages:
- No additional safety components required
- Assembly process not necessary
![](assets/images/1/elektro_stator_schaltscheibe_abdeckkappe_1-1d61867e.jpg)
Stator with contact ring and cover cap
Advantages:
- Perfect coordination of the individual components to ensure an optimal and automated assembly at the customer's location
![](assets/images/e/elektro_endscheiben_1-20c88a87.jpg)
end cap insulation / end shields
- Diameter: up to 200 mm
Application:
Use in engines with small quantities and / or large variance in height
Advantages:
- One and the same end shield can be used for different heights
Disadvantages:
- Poor heat dissipation from the stator winding
- End shield and paper is not fixed and can thus change its position
- It is not possible to balance the lamination tolerance through the plastic