Manufacturing and repair of gears, chain sprockets, bevel gears, worms and crane components according to drawing or sample.
Niederrheinische Zahnräderfabrik Stutz GmbH
DuisburgNew on Amplifa
About us
Niederrheinische Zahnräderfabrik Stutz GmbH in Duisburg is a supplier specialising in gear manufacturing for industry. The production programme includes gears with spur, helical and crossed helical teeth manufactured by gear hobbing, ground gear teeth, chain sprockets in special designs, bevel gears, worms and worm gears as well as crane wheels and rope drums made of grey cast iron, cast steel or steel. In addition, gearbox repairs based on sample or drawing as well as the manufacture and assembly of special gearboxes are offered. Production is carried out according to drawing or – without a drawing being provided – according to sample. Customers include companies from general mechanical engineering, crane construction, drive technology and the steel industry, including ThyssenKrupp, Vallourec Deutschland and Currenta/Tectrion. Founded in 1952, the family-run company supplies customers in the surrounding region and throughout Europe and is certified to DIN EN ISO 9001.
- Site
- Duisburg
- Processes
- Gear manufacturing / gear cutting by hobbing (spur, helical and crossed helical gears), Gear grinding, Manufacturing of chain sprockets (roller chains DIN 8180/8187, bush chains DIN 8164, Gall chains), Manufacturing of crane wheels and rope drums, with and without gear teeth, Bevel gear manufacturing using bevel gear shaping machines, Manufacturing of worms and worm gears, Gearbox repairs according to sample or drawing, Manufacturing and assembly of special gearboxes
- Materials
- GG (grey cast iron), GS (cast steel), Steel, Gear hobbing, Gear grinding, Bevel gear shaping, Grey cast iron, Cast steel
- Certificates
- DIN EN ISO 9001:2008, ISO 9001
- Founded
- 1952
- Industries
- General mechanical engineering, Crane construction, Drive technology, Steel industry, Industrial supply
- 01
Consultation and enquiry clarification
- 02
Manufacturing according to drawing or sample
- 03
Gear cutting by hobbing
- 04
Gear grinding
- 05
Assembly of special gearboxes
- 06
Gearbox repair
- 07
Delivery
Materials & Manufacturing Processes
Gear hobbing
Cutting of spur, helical and crossed helical gear teeth, module 0.8 to 24, Ø 15 to 2200 mm.
Gear grinding
Grinding of gear teeth, module 1.5 to 12, Ø up to 630 mm.
Bevel gear shaping
Bevel gear production on bevel gear shaping machines, module 2 to 20 mm, Ø up to 750 mm.
Grey cast iron
Material for crane wheels and rope drums with and without gear teeth.
Cast steel
Material for crane wheels and rope drums with and without gear teeth.
Steel
Material for crane wheels, rope drums and other drive components.
Locations
Duisburg
DEProduction and administration
- Part weight / size
- Ø up to 2200 mm (gear cutting)
- Materials
- GG, GS, steel
- Bevel gear shaping machines
- Gear hobbing machines
- Gear grinding machines
Components
Inside the production
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Gear manufacturing / gear cutting by hobbing (spur, helical and crossed helical gears)Machining | – | Ø up to 2200 mm | – | – | – |
| Gear grindingMachining | – | Ø up to 630 mm | – | – | – |
| Manufacturing of chain sprockets (roller chains DIN 8180/8187, bush chains DIN 8164, Gall chains)Machining | – | – | – | – | – |
| Manufacturing of crane wheels and rope drums, with and without gear teethMachining | – | Ø up to approx. 1300 mm | – | – | GG, GS, Stahl |
| Bevel gear manufacturing using bevel gear shaping machinesMachining | – | Ø up to 750 mm | – | – | – |
| Manufacturing of worms and worm gearsMachining | – | Ø up to 2200 mm | – | – | – |
| Gearbox repairs according to sample or drawingAssembly | – | – | – | – | – |
| Manufacturing and assembly of special gearboxesAssembly | – | – | – | – | – |
1 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| Bevel gear shaping machine | – | – | Module 2 to 20 mm, Ø up to 750 mm | – | Duisburg |
Additional services
Reference customers
Quality
The company is certified to DIN EN ISO 9001 and aligns its production with the corresponding quality standards. A qualified team of employees continuously works on quality assurance and the optimisation of production processes.
| Evidence | Duisburg |
|---|---|
| ISO 9001 |
History
- 1952
Founded as "Niederrheinische Zahnräderfabrik Beteiligungsgesellschaft mbH" by Dipl.-Ing. Wittfeld.
- 1998
Renamed "Niederrheinische Zahnräderfabrik Dipl. Ing. Wittfeld & Co. GmbH".
- 2016
Taken over by the former works manager Claudius Stutz and renamed Niederrheinische Zahnräderfabrik Stutz GmbH.