Manufacturer of technical springs, wire formed parts and stamped-bent parts from prototype to series, based in Chemnitz since 1909.

Alfred Weigel Federnfabrik GmbH & Co. KG
Chemnitz (Annaberger Straße 138)New on Amplifa
About Alfred Weigel Federnfabrik
Alfred Weigel Federnfabrik GmbH & Co. KG is an owner-managed manufacturer of technical springs in Chemnitz and has been producing compression, extension, torsion, torque and leg springs, wire form springs, wire formed parts, flat form springs, spiral springs, return springs, roller shutter springs as well as stamped-bent parts – to drawing, sample or specification – since 1909. Spring steels and stainless spring steels such as 1.4310 and 1.4401 are processed from round and flat material. The service portfolio ranges from prototype consulting through small-batch and series production to assembly, surface treatment and special packaging, complemented by an in-house toolmaking department as well as functional and force testing. Customers include the automotive industry, building technology (window, door and gate technology, sanitary, sun protection, fire protection), the furniture industry as well as solar and renewable energy. Production takes place at the historic company headquarters at Annaberger Straße 138; since 2026 the site has been supplied with 100% green electricity from hydropower on a balance-sheet basis.
- Site
- Chemnitz
- Processes
- Compression springs, Extension springs, Torsion, torque and leg springs, Wire form springs and wire formed parts, Flat form springs, stamped-bent parts and spiral springs, Return springs and roller shutter springs, Stamped-bent parts, Assembly and module manufacturing (pre-assembly, finishing, kits)
- Materials
- 1.4310, 1.4401, 1.4310 (stainless spring steel), 1.4401 (stainless spring steel), Spring steel (wire), Flat material (strip steel)
- Certificates
- ISO 9001:2015, ISO 14001:2015, ISO 9001, ISO 14001
- Founded
- 1909
- Industries
- Automotive industry, Building technology, Furniture industry, Solar & renewable energies, Sanitary engineering, Building technology (window/door/gate technology, sanitary, sun protection,
- 01
Consultation/inquiry with drawing, sample or specification
- 02
Feasibility check & technical clarification
- 03
Design & production planning
- 04
In-house toolmaking
- 05
Prototype/small-batch production
- 06
Series production
- 07
Surface treatment
- 08
Assembly & module manufacturing
- 09
Functional/force testing
- 10
Special packaging & logistics
Materials & Processes
1.4310 (stainless spring steel)
Stainless spring steel for permanently weather-resistant springs and stamped-bent parts, among others in solar and building technology applications.
1.4401 (stainless spring steel)
Salt spray and chemical resistant stainless steel for springs exposed to moisture and cleaning agents.
Spring steel (wire)
Standard material for wire springs such as compression, extension, torsion and wire form springs.
Flat material (strip steel)
Material for flat form springs, stamped-bent parts and spiral springs made from round and flat material.
Sites
Chemnitz
DECompany headquarters and production
- Lot size
- Prototype, small batch, series
- Materials
- Spring steel, stainless spring steels (1.4310, 1.4401), strip steel
- In-house toolmaking
- Testing to specification
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Compression springsForming | – | – | – | – | Spring steel, stainless spring steels |
| Extension springsForming | – | – | – | – | Spring steel, stainless spring steels |
| Torsion, torque and leg springsForming | – | – | – | – | Spring steel, stainless spring steels |
| Wire form springs and wire formed partsForming | – | – | – | – | Spring steel, stainless spring steels |
| Flat form springs, stamped-bent parts and spiral springsForming | – | – | – | – | Spring steel, Flat material (strip steel) |
| Return springs and roller shutter springsForming | – | – | – | – | Spring steel |
| Stamped-bent partsForming | – | – | – | – | stainless spring steels (e.g. 1.4310, 1.4401) |
| Assembly and module manufacturing (pre-assembly, finishing, kits)Assembly | – | – | – | – | – |
| Surface treatment (corrosion protection, friction reduction, finishing, decorative surfaces)Surface | – | – | – | – | – |
| Prototype and small-batch productionForming | – | – | – | – | Spring steel, stainless spring steels |
| Series production of technical springsForming | – | – | – | – | Spring steel, stainless spring steels |
| In-house toolmakingEngineering | – | – | – | – | – |
| Functional and force testing to specificationTesting | – | – | – | – | – |
Additional services
Reference customers
Quality
Production is certified according to ISO 9001:2015 and ISO 14001:2015 (TÜV SÜD); quality is ensured through process monitoring, complete documentation and functional and force testing to customer specifications. The stated complaint rate is 0.01 ‰.
| Evidence | Chemnitz |
|---|---|
| ISO 9001 | |
| ISO 14001 |
History
- 1909
Founded by Alfred Weigel from the insolvency assets of the Chemnitz spring manufacturer Riedel; growth to 40 employees.
- 1925
Purchase of Annaberger Straße 138 as the current company headquarters; major order from Bosch AG; sons Kurt and Rudolf join the company.
- 1930–1945
Operation with 500 employees, classified as important to the war effort.
- 1946–1959
Reconstruction after war destruction; 1954 Siegfried Weigel joins; 1959: 200 employees, 8 production departments, over 1.5 million marks in revenue.
- 1972
Forced nationalization as VEB Feinfedern Karl-Marx-Stadt (until 1989).
- 1990
Reprivatization on May 1, 1990 by Siegfried Weigel.
- 1992
Eva Donath, great-granddaughter of the founder, takes over management; leadership in the 4th generation with Anja Fritzsche.
- 2020
Initial certification of the environmental management system according to ISO 14001:2015 in July 2020.
- 2026
Balance-sheet 100% green electricity supply from hydropower (Vattenfall) for the Chemnitz site.