Design and production of precision-engineered precision assemblies, iris diaphragms and measuring microscopes from Wetzlar.
SAHM Feinwerktechnik GmbH
Wetzlar-Nauborn (Friedenstraße 3)New on Amplifa
About us
SAHM Feinwerktechnik GmbH, based in Wetzlar-Nauborn, specializes in the design and production of precision-engineered precision assemblies. The production program includes iris diaphragms as well as setting-up and measuring microscopes and individually developed optical components, assemblies and precision-engineering systems. The core element of the iris diaphragms are blades made of hardened spring steel with a burnished surface, or made of stainless chromium-nickel steel for higher heat resistance. The cutting edges of the blades are smoothed in an elaborate burnishing/grinding process; a special burnishing process provides maximum corrosion protection, and a subsequent coating improves the sliding properties. The housings are made of corrosion-resistant aluminum alloy and decoratively anodized in matte black. According to the company, the products have proven themselves thousands of times in use worldwide, including under extreme climatic and operating conditions, particularly in opto-electronics, laser and medical technology, and lighting technology.
- Site
- Wetzlar
- Processes
- Design and production of precision-engineered precision assemblies, Production of iris diaphragms (programs S, V, G, MOT, U, R), Production of blades from hardened spring steel, burnished/ground, burnished, coated, Anodizing (matte-black decorative) of aluminum alloy housing surfaces, Burnishing (special burnishing process for corrosion resistance), Hardening of spring steel blades, Burnishing/grinding of blade cutting edges, Production of setting-up and measuring microscopes
- Materials
- Spring steel (burnished), Spring steel stainless, Stainless chromium-nickel steel, Aluminum alloy (corrosion-resistant, anodized), Special alloy (HT), Spring steel, burnished, Spring steel, stainless, Special alloy
- Industries
- Optics, Opto-electronics, Laser and medical technology, Lighting technology, Optics/Optical industry
- 01
Design
- 02
Blade production from hardened spring steel
- 03
Burnishing/grinding of cutting edges
- 04
Burnishing and coating
- 05
Anodizing of housings
- 06
Assembly of precision components
Materials & Processes
Spring steel, burnished
Standard blade material with special burnishing as corrosion protection.
Spring steel, stainless
Stainless chromium-nickel steel for blades with greater heat resistance.
Special alloy
For iris diaphragms of the G program under extreme temperature conditions.
Aluminum alloy, anodized
Corrosion-resistant housing material with a matte-black decorative anodized layer.
Anti-reflective coating
Blade coating option for programs S and V.
Locations
Wetzlar-Nauborn
DEHeadquarters and production
- Materials
- Spring steel, stainless chromium-nickel steel, aluminum alloy, special alloy
Components
Inside the production
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Design and production of precision-engineered precision assembliesAssembly | – | – | – | – | – |
| Production of iris diaphragms (programs S, V, G, MOT, U, R)Assembly | – | – | – | – | Spring steel, stainless chromium-nickel steel, aluminum alloy, special alloy |
| Production of blades from hardened spring steel, burnished/ground, burnished, coatedSurface | – | – | – | – | Spring steel, stainless chromium-nickel steel |
| Anodizing (matte-black decorative) of aluminum alloy housing surfacesSurface | – | – | – | – | Aluminum alloy |
| Burnishing (special burnishing process for corrosion resistance)Surface | – | – | – | – | Spring steel |
| Hardening of spring steel bladesHeat treatment | – | – | – | – | Spring steel |
| Burnishing/grinding of blade cutting edgesSurface | – | – | – | – | Spring steel |
| Production of setting-up and measuring microscopesAssembly | – | – | – | – | – |
| Development and production of individual optical components, assemblies and precision-engineeringEngineering | – | – | – | – | – |
Additional services