Field coil impregnated with Resicoat
Field coils
A field coil (also known as bobbin or magnetic coil) is generating a magnetic field in an alternator by a current flow. Bobbins are coated in a fluidised bed.
Powder Characteristics
| Gel time at 200° C (ISO 8130-6) | 30 – 300 sec. |
| Density (ISO 8130-2) | 1.25 – 1.7 g/cm³ |
| Kofler | 60° C |
| Storage stability | 4 months ≤23° C |
Coating values
| Penetration into the winding | very high |
| Curing cycle at 200° C | 10 – 60 min |
| Cut through temperature | 130 – 300° C |