Manufacturing and repair of electrical machines and their components, from windings to generators.
Feldmann Elektronik GmbH
Leer (Lower Saxony)New on Amplifa
About Feldmann Elektronik
Feldmann Elektronik GmbH in Leer (Lower Saxony) manufactures and repairs electrical machines and their components. Core competence is the construction of large electrical components for synchronous machines, in particular the processing of large copper conductor cross-sections. The company produces stator and rotor windings, windings for iron-core poles and pole wheels, synchronous poles with damper windings as well as connecting rings and connecting ring segments. In addition, the company repairs electric motors and medium-sized generators, including for wind power and biogas plants as well as for shipping, and manufactures DC machines new. Completion parts such as louver sheets, shim sheets, terminal parts made of copper and brass as well as electrical connections are manufactured as single or custom-made items. Processing includes winding technology, Cu-Cu and Cu-Brass welded joints, mechanical manufacturing with CNC milling, boring mill and lathe, heat treatment in a pyrolysis furnace as well as in-house jig and fixture construction.
- Site
- Leer
- Processes
- Repair of electric motors, Repair of generators for wind power plants, Repair of generators for biogas plants, Repair of marine generators, New manufacture of DC machines, Windings and copper construction of larger cross-sections (stator/rotor windings GS DS, windings, Coil manufacturing (up to 4 parallel wires of 20x30mm each), Resistance coils made of NiCr flat wire, edge-wound
- Materials
- Copper, Brass (Ms), NiCr flat wire, Brass
- Certificates
- ISO 9001
- Founded
- 1998
- Employees
- 11
- Industries
- Wind power plants, Biogas plants, Shipbuilding/shipping, Electrical machine engineering
- 01
Assessment of the electrical machine
- 02
Winding manufacturing / copper construction
- 03
Mechanical machining (CNC milling, boring mill, lathe)
- 04
Welding (Cu-Cu, Cu-Brass)
- 05
Heat treatment (pyrolysis furnace, ovens)
- 06
Assembly and repair
- 07
Maintenance and service
Materials & Processes
Copper
Main material for windings, coils with large conductor cross-sections and electrical connections.
Brass
Used for terminal parts and Cu-Brass welded joints.
NiCr flat wire
For edge-wound resistance coils.
Locations
Leer
DEManufacturing & repair of electrical machines
- Part weight / size
- up to 7 t, windings up to Ø 4000 mm
- Lot size
- Single and custom-made items
- Materials
- Copper, brass, NiCr flat wire
- Winding machine round wire 80-fold parallel, braked
- Winding machine profile wire 8-fold parallel, horizontal
- Winding machine profile wire 2-fold parallel, vertical
- Faceplate winding machine (center height 700–2000 mm, clamping load up to 7 t)
- Wire brake
- Pyrolysis furnace 2 m × 2 m × 3.5 m (since 2017)
- Ovens
- Boring mill
- CNC milling machine
- Lathe
- Press
- Jig and fixture construction
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Repair of electric motorsAssembly | – | – | – | – | – |
| Repair of generators for wind power plantsAssembly | – | – | – | – | – |
| Repair of generators for biogas plantsAssembly | – | – | – | – | – |
| Repair of marine generatorsAssembly | – | – | – | – | – |
| New manufacture of DC machinesAssembly | – | – | – | – | – |
| Windings and copper construction of larger cross-sections (stator/rotor windings GS DS, windingsEngineering | – | – | up to 7 t (faceplate) | – | Copper, NiCr flat wire |
| Coil manufacturing (up to 4 parallel wires of 20x30mm each)Engineering | – | – | – | – | Copper |
| Resistance coils made of NiCr flat wire, edge-woundEngineering | – | – | – | – | NiCr |
| Welded joints Cu-Cu or Cu-BrassJoining | – | – | – | – | Copper, Brass |
| Component construction for large and medium-sized machines (synchronous poles incl. damper winding,Assembly | – | – | – | – | – |
| Completion parts single/custom-made (louver sheets, shim sheets/shims, terminal parts,Joining | – | – | – | – | Copper, Brass |
| Assessments of electrical machinesTesting | – | – | – | – | – |
| Maintenance, bearing replacement (electric motors, generators, pumps)Assembly | – | – | – | – | – |
| Construction of large electrical components for synchronous machines, processing of large conductorAssembly | – | – | – | – | Copper |
| Jig and fixture constructionEngineering | – | – | – | – | – |
11 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| Winding machine (round wire, 80-fold parallel, braked) | – | – | – | – | Leer |
| Winding machine (profile wire, 8-fold parallel, braked, horizontal) | – | – | – | – | Leer |
| Winding machine (profile wire, 2-fold parallel, braked, vertical) | – | – | – | – | Leer |
| Faceplate winding machine | – | – | Center heights 700 mm to 2000 mm, clamping load up to 7 tonnes | – | Leer |
| Wire brake | – | – | – | – | Leer |
| Pyrolysis furnace | – | 1 | 2 m x 2 m x 3.5 m furnace chamber | 2017 | Leer |
| Ovens | – | – | – | – | Leer |
| Boring mill | – | – | – | – | Leer |
| CNC milling machine | – | – | – | – | Leer |
| Lathe | – | – | – | – | Leer |
| Press | – | – | – | – | Leer |
Additional services
Quality
Assessments of electrical machines are part of the service spectrum. Manufacturing and repair are carried out by master craftsmen, electrical machine builders and electronics technicians for machinery and drive technology; certificates are not documented.
| Evidence | Leer |
|---|---|
| ISO 9001 |
History
- 1998
Founded by Johann Feldmann and Prof. Dr.-Ing. Jürgen Meins; Günter Feldmann becomes managing director and is today the sole shareholder.
- 2017-09
Commissioning of a new pyrolysis furnace with a 2 m × 2 m × 3.5 m furnace chamber.