Manufacturer of tine springs and technical springs made from spring steel for agricultural technology and the automotive industry.
S & P Federnwerk GmbH & Co. KG
Nisterau · Headquarters and ProductionNew on Amplifa
About S & P Federnwerk
S & P Federnwerk is a spring manufacturer based in Nisterau in the Westerwald region (Rhineland-Palatinate). The company produces tine springs, torsion bar springs, wire bending parts, tension springs, torsion and leg springs as well as flat spiral springs from high-quality spring steel, spring steel wire and narrow strip – exclusively cold-formed. In addition, the company offers a service portfolio for compression springs, tension springs and stamped bending parts via a worldwide partner network, as well as straightening and cutting of spring steel wire up to 14 mm diameter. In-house value creation includes heat treatment, shot blasting, surface coating and in-house assembly of subassemblies, including for rake and tedder arms as well as seat assemblies. Main customers are OEM and Tier-1 customers in agricultural technology (grassland harvesting, soil cultivation) and the automotive industry (seating technology, interior, brakes, chassis). More than 70 employees work on approximately 6,000 m² of production space with a high degree of automation, including automated inspection and camera systems for 100% inspection.
- Site
- Nisterau
- Processes
- Tine springs cold-formed, Torsion bar springs (manufactured from spring steel wire), Wire bending parts (wire bending), Tension springs, Leg springs / torsion springs, Flat spiral springs, Compression springs (service portfolio), Stamped bending parts (purchased/service)
- Materials
- Spring steel, Spring steel wire, Narrow strip, alloyed spring steel, Alloyed spring steel
- Certificates
- IATF 16949:2016, ISO 9001:2015, ISO 14001
- Founded
- 1965
- Employees
- 70+
- Industries
- Agricultural technology, Automotive industry, Mechanical engineering, Electronics, Transport industry, Model making
- 01
Project management, development and prototyping
- 02
Straightening and cutting of the wire
- 03
Cold forming (wire bending, tine spring manufacturing)
- 04
Heat treatment
- 05
Shot blasting
- 06
Surface coating
- 07
Assembly of subassemblies
- 08
Quality assurance and 100% inline inspection
Materials and Processes
Spring steel
Base material for cold-formed tine springs and flat spiral springs.
Spring steel wire
Starting material for torsion bar, tension, leg and wire bending parts.
Narrow strip
Strip material for cold-formed springs.
Alloyed spring steel
Used for springs with high demands on spring rate and dimensional accuracy.
Nisterau Site
Nisterau
DEHeadquarters, development and production
- Lot size
- Small series to large series
- Materials
- Spring steel, spring steel wire, narrow strip
- Wire bending machines (Wafios, Koradi, Fortuna)
- Exclusive machines for tine spring production
- Fully automated assembly systems
- Automated inspection and camera systems
- Torsion testing machine
- Endurance testing machines
- Force measuring machine
- 3D coordinate measuring machine with CAD
- In-house gauge manufacturing
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Tine springs cold-formedForming | – | – | – | – | Spring steel |
| Torsion bar springs (manufactured from spring steel wire)Forming | – | approx. 40 mm to approx. 120 mm | Wire diameter approx. 4 mm – Wire diameter approx. 9 mm | – | Spring steel wire |
| Wire bending parts (wire bending)Forming | – | – | – | – | Spring steel wire |
| Tension springsForming | – | – | – | – | Spring steel wire |
| Leg springs / torsion springsForming | – | – | – | – | Spring steel wire |
| Flat spiral springsForming | – | – | – | – | Spring steel |
| Compression springs (service portfolio)Forming | – | – | up to 60 mm wire diameter (large | – | Spring steel wire |
| Stamped bending parts (purchased/service)Forming | – | – | – | – | – |
| Straightening and cutting of spring steel wire and other material gradesMachining | – | – | Wire diameter up to 14 mm | – | Spring steel wire |
| Assembly of subassemblies (rake/tedder assembly, assemblies for rear seat backrests, seatingAssembly | – | – | – | – | – |
| Heat treatmentHeat treatment | – | – | – | – | Spring steel |
| Shot blastingSurface | – | – | – | – | – |
| Surface coatingSurface | – | – | – | – | – |
| Project management, development and prototypingEngineering | – | – | – | – | – |
| Quality assurance and testing technology (100% inline camera inspection)Testing | – | – | – | – | – |
11 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| Wire bending machines | Wafios | – | – | – | Nisterau |
| Wire bending machines | Koradi | – | – | – | Nisterau |
| Wire bending machines | Fortuna | – | – | – | Nisterau |
| Exclusive machines for tine spring production | – | – | – | – | Nisterau |
| Fully automated assembly systems (rotary tedder arms, spring packages for | – | – | – | – | Nisterau |
| Automated inspection and camera systems | – | – | – | – | Nisterau |
| Torsion testing machine | – | – | – | – | Nisterau |
| Endurance testing machines | – | – | – | – | Nisterau |
| Force measuring machine | – | – | – | – | Nisterau |
| 3D coordinate measuring machine with CAD | – | – | – | – | Nisterau |
| In-house gauge manufacturing | – | – | – | – | Nisterau |
Additional services
Reference customers
Quality and Certification
Production is carried out in accordance with IATF 16949:2016, ISO 9001:2015 and ISO 14001 with 100% inline camera inspection, torsion and endurance testing machines, force measuring machine, 3D coordinate measuring machine and in-house gauge manufacturing.
| Evidence | Nisterau |
|---|---|
| IATF 16949:2016 | |
| ISO 9001:2015 | |
| ISO 14001 |
Company History
- 1965
Start of spring and tine spring manufacturing (campaign statement 'since 1965'; the website alternatively mentions the founding of S & P in 1999)
- 1999
Founding of S & P (website statement)
- 2002
Takeover of the production of torsion bar springs, torsion and leg springs as well as tension springs from Muhr & Bender
- 2019
Environmental certification ISO 14001
- 2021
Creation of the first greenhouse gas balances
- 2022
Expansion of the S & P Code of Conduct and integration of the UN Global Compact principles
- 2023
Own sustainability officer, sustainability report and targets for greenhouse gas reduction
- 2024
Customers receive access to the sustainability report
- 2025
Goal: net climate-neutral in Scope 1 and 2 by 2026