Revision and rewinding of electric motors up to 400 kW as well as windings with round and flat copper
Feindrahtwicklungs AG
Dünnernstrasse 20, CH-4702 Oensingen (SO)New on Amplifa
About Feindrahtwicklungs AG
Feindrahtwicklungs AG, based in Oensingen (SO), has specialised in windings with round and flat copper since 1974. Its core competence is the revision and rewinding of DC and AC motors, three-phase, slip-ring rotor, servo, elevator and gear motors as well as generators, transformers and pumps up to 400 kW of power. The winding shop works with round copper, flat/profile copper and self-bonding wire in careful manual work on modern winding machines. Further services include the repair of AC and DC servomotors including testing and adjustment of incremental encoders, resolvers and absolute encoders, the winding of speed and angle encoders for the aviation and automotive industries, on-site measurements as well as mechanical work such as static and dynamic balancing up to 1500 kg, gear revisions and turning/milling work. Customers come from aviation, the automotive industry, Formula 1, CNC machine building, robotics, forklift/electric vehicle technology and vintage car restoration.
- Site
- Oensingen, SO
- Processes
- Revision and rewinding of electric motors (DC and AC), Rewinding of three-phase motors, slip-ring rotor motors, DC motors, servomotors,, Repair and restoration of AC and DC servomotors of all manufacturers, testing/adjusting of, Winding work: electric brakes, transformers, eddy current brakes, field windings, stators,, On-site measurements: condition checks, insulation measurement, high-voltage testing, resistance, Vintage car restoration: starter motors, alternators, regulators, fan motors, dynamos, window, Revision and rewinding of motors for forklifts and electric vehicles (hydraulic motors,, Winding of speed and angle encoders (encoders, resolvers) for aviation and
- Materials
- Round copper, Flat copper / profile copper, Self-bonding wire, Fine wire
- Founded
- 1974
- Employees
- 7
- Industries
- Aviation industry, Automotive industry, Formula 1, CNC machines / robotics, Forklifts / electric vehicles, Vintage cars
- 01
Diagnosis / on-site measurements
- 02
Manufacturing / rewinding of the winding (round and flat copper)
- 03
Machining (turning, milling, spray-coating of bearing seats)
- 04
Balancing (static/dynamic)
- 05
Encoder adjustment and testing
- 06
Assembly / installation and removal, pickup and delivery service
Materials and Processes
Round copper
Standard winding wire for rewinding of motors and coils.
Flat copper / profile copper
For field windings, armatures and high-power machine drives.
Self-bonding wire
Self-locking winding wire for dimensionally stable windings.
Fine wire
For windings of angle and speed encoders in aviation.
Locations
Oensingen
CHHeadquarters and workshop (winding shop, servo service center, balancing machines)
- Part weight / size
- Balancing up to 1500 kg, length up to 1800 mm, diameter up
- Lot size
- Single pieces, prototypes, small series
- Materials
- Round copper, flat/profile copper, self-bonding wire, fine wire
- Winding machines
- 3 balancing machines (G1/2.5/6.3 per DIN ISO 1940 / VDI 2060)
- Turning and milling machines
- Metrology for encoder signals (HTL, TTL, 1Vss sin/cos)
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Revision and rewinding of electric motors (DC and AC)Assembly | – | – | – | Single pieces – Small series | Round copper, Flat/profile copper, Self-bonding wire |
| Rewinding of three-phase motors, slip-ring rotor motors, DC motors, servomotors,Assembly | – | – | up to 400 kW (power) | – | Round copper, Flat/profile copper, Self-bonding wire |
| Repair and restoration of AC and DC servomotors of all manufacturers, testing/adjusting ofAssembly | – | – | – | – | – |
| Winding work: electric brakes, transformers, eddy current brakes, field windings, stators,Joining | – | – | – | – | Round copper, Flat/profile copper, Self-bonding wire |
| On-site measurements: condition checks, insulation measurement, high-voltage testing, resistanceTesting | – | – | – | – | – |
| Vintage car restoration: starter motors, alternators, regulators, fan motors, dynamos, windowAssembly | – | – | – | – | Flat copper |
| Revision and rewinding of motors for forklifts and electric vehicles (hydraulic motors,Assembly | – | – | – | – | Round copper, Flat copper |
| Winding of speed and angle encoders (encoders, resolvers) for aviation andAssembly | – | – | – | – | Fine wire |
| Static and dynamic balancing (rotors, shafts, fan wheels, rollers, blades) withTesting | – | 1800 mm × 1500 mm (diameter) | 1500 kg | – | – |
| Gear revisionsAssembly | – | – | – | – | – |
| Bushing and spray-coating of bearing seatsSurface | – | – | – | – | – |
| Turning and milling workMachining | – | – | – | – | – |
| Mechanical adjustmentsMachining | – | – | – | – | – |
2 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| Winding machines | – | – | – | – | Oensingen |
| Balancing machines | – | 3 | Workpiece weight up to 1500 kg, length up to 1800 mm, diameter up to 1500 mm | – | Oensingen |
Additional services
Reference customers
History
- 1974
Foundation of Feindrahtwicklungs AG.
- 2000
Taken over by Michel Gyger and Daniela Gyger-Walser; expansion of the field of activity from fine wire windings to high-power machine drives.