Compression springs
Helical compression springs for technical applications.
From a batch size of 1 through to high volume production, we serve our customers with springs manufactured specifically to customer requirements. We would be pleased to help you with the design and definition of the manufacturing process sequence.
Dimensions
- Wire diameter: 0.03 – 8.00 mm
- Wire cross section: Round, oval, square, rectangular and multi-arc special profiles
Designs
- Spring ends: Flattened, drawn in, freely tapering, polished, unpolished, openly wound, special shapes
- Spring body: Cylindrical, conical, tapered, double-tapered, barrel-shaped and special shapes
Special features
- 100% length check with sorting and adjustment at the machines
- Camera check during the manufacturing process
In cooperation with BRAND-GROUP in Anröchte/Germany, KERN-LIEBERS produces and sells arc springs in Asia. BKL is the specialist when it comes to innovative spring solutions for the automotive drive train.
For decades, we have been developing and producing highly-stressed bow springs for dual mass flywheels and torque converters.
Dimensions
- Wire diameter: 1.00 mm – 8.00 mm
- Wire cross section: Round, oval, profiled, multi-arc
Designs
- We offer bow springs as individual springs or in numerous spring set versions to meet multi-level characteristics
- Optionally with progressive characteristic curve
Special features
- Use of special spring wire qualities as “torsion wire” grade TD, with surface crack testing (40….60µm) and valve spring wire VD, "super clean" melted, shaved and surface crack tested to 40 µ failure depth.
- Manufacturing with in-house developed technologies , which achieved protection by patents for all variants.
Dimension ranges
- Wire dimensions: 0.20 to 0.50 mm
- Filament dimensions: 2 to 6 mm
Materials
- Heating filament: CrAl
- Regular filament: Pure nickel, high-purity nickel, CoFe8, molybdenum lanthanum oxide, NiFe30MnAl, CrNi 20 80
Designs
- One-piece spiral-wound filament, laser-welded dual-material filament
Packaging
- Blister as reusable packaging
- Bulk goods
Application
- Heating element for diesel glow plugs and fuel inflammation
Dimensions
- Wire diameter: From 0.05 mm to 0.50 mm
- Spring coil outer diameter: From 0.25 mm to 13.00 mm
- Length: Up to 6,000 mm
Description
- Spring ends: Freely tapering, flattened
Special features
- Surface treatment: Electroplated coating
such as gold-plated or other - Materials: Stainless steels for medical applications
(also with PTFE coating), platinum alloys
Industry applications
Automotive
Mechanical engineering and equipment manufacturing
Other