BAUMANN SPRINGS - Springs, Wire Forms and Stamping Parts

BAUMANN SPRINGS Group is one of the leading spring manufacturers in the world, serving the world markets with high-quality springs, wire forms and stamping parts. Through its global network of 11 companies and its 1,200 employees on three continents, BAUMANN SPRINGS achieves strong group synergies in technology and engineering, supply chain and customer service.

Medical springs for medical device applications

BAUMANN SPRINGS manufactures springs for a wide range of medical device applications, including:

• Guide wires
• Implants
• Diagnostic equipment
• Hearing aids
• Dispensers
• Monitoring devices
• Pumps
• Pacemaker components
• Urology
• Device manufacturing

Optimised spring manufacturing processes for the medical industry

BAUMANN SPRINGS can offer GMP compliance of certain parts of processes, if requested, and stringent documentation procedure can be introduced. Knowledge of performing DOEs is available, and validation of processes according to DQ - IQ - OQ - PQ is possible. Cleanroom capabilities are available on request.

Dedicated engineering teams for medical spring development

BAUMANN SPRINGS’ engineering and system design teams are ready to assist medical customers during the development and design phase. Technical spring calculation, CAD models and FEM analysis assist our customers in developing the most suitable medical springs. Quick sampling and prototyping support the initial project phases.

High-quality, clean medical springs and stampings

All BAUMANN SPRINGS companies are certified according to ISO 9001, TS 16949 and ISO 14001, ensuring that we offer medical springs and stampings of the highest quality and cleanliness. Through modern ultrasonic cleaning we are able to meet or surpass all customer expectations. We can provide clean packaging areas upon request.

Customer-specific medical packaging

From bulk non-sterile to single pack, we offer customer-specific, clean solutions that are optimised for your assembly process. Packaging options are one-way / two-way tray packaging, packaging in special foils and packaging in tubes.

Surface treatment for springs and stampings

BAUMANN SPRINGS offers surface treatment for different applications.

• Heat treatments: tempering, in-feed, chamber furnace, air seal, hardening and annealing
• Cleaning: ultrasonic cleaning, stone trembling (deburing), shot and glass pead peening
• Coatings: zinc flake coating (base coat) and optional colour top coat (anti-corrosion protection), phosphate coating, powder coating, PTFE coating, and nickel, silver, gold and other platings

Raw materials for medical springs

Our medical springs are made from almost every material. Standard materials are stainless steel, music wire, carbon steel, preplated wires (e.g. ZA), pre-PTFE coated wire, hastelloy, MP35N / PHYNOX, titanium and other implantable materials.

Compression springs

BAUMANN SPRINGS’ compression springs are available in all geometries, for all quality levels, from small to large diameters, and are made of alloyed and unalloyed spring steel.

Dimensions: from 0.07mm up to 60mm wire diameter; round or profile material.

Torsion springs

Torsion springs are individually designed, with special spring ends, for any application scenario, with static and dynamic loading.

Dimensions: from 0.15mm to 14mm wire diameter; round or profile material.

Wave springs

Our wave springs are space-optimised springs for almost any application. Wave springs offer a height saving of up to 60%, as an alternative to compression springs.

Dimensions: outer diameter is 4mm - 240mm; material dimensions on request.

Stainless-steel coils

BAUMANN SPRINGS’ coils are made from stainless steel, with optional PTFE coating and with open or closed coils.

Dimensions: 0.07mm wire diameter; round or profile material.

Wire forms for medical applications

BAUMANN SPRINGS’ wire forms are available in any shape and from any material, for a wide variety of medical applications.

Dimensions: from 0.1mm wire diameter.

Pressings and stampings

Our pressings and stampings are custom parts made from just about any material, using our in-house tool workshops.

Dimensions: stamping parts up to 3mm material thickness; stamping presses up to 1,500mm tool length and 1,500kN force.