

Overview
About Federtechnik Kaltbrunn AG
Who we are
The spring Technology Group, headquartered in Kaltbrunn produced at 4 locations across Switzerland and has over 80 years of experience in the development and production of springs made of wire and tape, assemblies and mounting hardware. Portfolio: Compression Springs: In the range of dimensions, shapes and finishes. We process wires and rods of 0.2 mm to 20.0 mm in diameter as well as materials with rectangular or square cross-section up to 15 x 15 mm. For the following spring forms we have been established: cylindrical tapered (0.2 to 20.0 mm) biconical fitted barrel and chimney-shaped (0.2 to 3.0 mm) Our specialty: Progressive springs (0.2 to 3.0 mm) Extension Springs: In the range of dimensions, shapes and finishes. Oesenform according to customer requirements. We use different materials in the wire diameter range from 0.2 to about 10 mm; 10 mm to 16 mm without lugs, but with tabs or threaded inserts. Rotation and torsion springs: in the range of dimensions, shapes and finishes. The combination of turns, thighs and shapes are virtually no limits. We process materials round, square and flat wire diameter range from 0.2 to about 6 mm. Larger wire diameter on request. Bent wire parts: We have an excellent infrastructure for the production of wire bending parts in a variety of shapes and finishes for medium and large series. We process materials in the diameter range from 0.2 mm to about 6 mm. Flat springs: leaf springs are metal mold parts which possess elastic properties, to clamp, hold or rest. The great diversity requires an enormous mobility and overview. We use different materials in thickness from 0.1 mm to 4 mm, width up to 300 mm (cold or hot worked). Other dimensions on request. Processing in hard condition or processing in soft condition with subsequent tempering.We manufacture flat spiral springs and disc springs. Stampings: We develop and manufacture for you Stampings according to your wishes and requirements. We advise you from the design to the mature part series. Our modern prototype workshop provides you with a short first sampling. The necessary tools are manufactured in our own workshop and our new punching and bending machines manufacture your parts at high speeds with maximum precision. Material thickness: Thickness 0.1 mm to 3 mm, Width up to 160 mm. Materials: For the production of your springs we process the different materials. - Alloyed and non-alloyed steel - Stainless steel - Copper and wrought copper alloys - Heat-resistant spring material
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Kaltbrunn, Switzerland
Member since 2003
Employees200 - 500
Certificates3
Turnover20 - 50 Mil.
Year of foundation1928
Competencies
Technologies
Wire & Spring Bending
| Technologies | Lotsize | Length | Width | Height | Diameter | Weight | Material thickness |
|---|---|---|---|---|---|---|---|
Wire bending | 5–1 M | from 0 mm | from 0 mm | from 0 mm | 0.1–10 mm | from 0 kg | from 0 mm |
Spring bending | 10–1 M | — | — | — | 0.1–16 mm | — | — |
Sheet Metal Forming (Stamping, Deep-drawing)
| Technologies | Lotsize | Length | Width | Material thickness |
|---|---|---|---|---|
Punching / pressing (Out-of-tool) | 1,000–50 M | 6–250 mm | 1–140 mm | 0.1–3 mm |
Stamping and bending machine (Bihler) | 1,000–50 M | 6–250 mm | 1–160 mm | 0.1–3 mm |
Additive Manufacturing
| Technologies | Lotsize | Length | Width | Height | Diameter | Weight | Material thickness |
|---|---|---|---|---|---|---|---|
3D printing (general) | 1–1,000 | 6–400 mm | 2–250 mm | 0.1–3 mm | from 0 mm | from 0 kg | from 0 mm |
Materials
Advanced Materials
Nickel alloy (Inconel, Monel, Hastelloy)
Steel
Structural steelStainless steel (rust-proof V2A)Stainless steel (rust-proof V4A)Spring steel
Light metals
Aluminium and aluminium alloys
Heavy metals
Copper-zinc alloys (brass)Copper and copper alloysZinc and zinc alloys
Industries
Railway and rail vehicles industryDrive and gear engineeringTelecommunication industrySpecial purpose machinery manufacturingMeasurement and control technique, laboratory equipmentHousehold appliance industryConstruction and architectural suppliesPower generation and transmission industryFurniture industryLighting industryMining and tunnel engineeringChemical industryMechanical engineeringPackaging industryMedical technologyAir conditioning, refrigeration and ventilation industryInformation technology (hardware)Building, agricultural and forestry machinery manufacturingApparatus engineeringShipbuilding industryMilitary engineeringBoiler, container and tank construction Fittings engineeringMachine tool manufacturingPaper and printing machinery industryPrecision engineering, mechatronics and opticsAutomotive and vehicle constructionPlant engineering and constructionOffice machinery and suppliesElectrical industryHydraulic and pneumatic industryAutomation and control engineeringClean room technologyAerospace and aviation industry
Certificates
ISO 9001:2008
ISO 14001
ISO-TS 16949:2009
Parts & Machines
Machinery (4)
1 / 4
Post
ManufacturerBeutler
Control-
Year of Construction2007
2 / 4
Wafios
ManufacturerWafios
Control-
Year of Construction2007
Technology
Wire bending
3 / 4
Wafios
ManufacturerWafios
Control-
Year of Construction2007
Technology
Spring bending
4 / 4
Lasag Nd:JAG-Festkörperlaser
ManufacturerLasag Nd:JAG-Festkörperlaser
ControlCNC
Year of Construction2007
4 Machinery
Wire bending1
Spring bending1
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