Rectangular Wire Die Spring as per ISO 10243, Extra Heavy Duty Load for precision dies and mould tools, designed for high load and controlled deflection.
This extra heavy-duty die spring conforms to ISO 10243 dimensional and performance standards, designed for use in extra high-load die sets, press tools, jigs, and fixtures. The spring is constructed from high-tensile chromium-silicon alloy steel, precision cold-coiled and stress-relieved to ensure consistent elastic modulus and fatigue resistance under repeated compression cycles.
The rectangular wire section enables high energy absorption per unit deflection with reduced solid height. The spring exhibits a spring constant load maintaining linear load–deflection characteristics across its operational range.
The maximum working deflection with a maximum load capacity. Beyond this above range, permanent deformation may occur. The spring is identified by Yellow colour coding (G) indicating Extra Heavy Load classification as per ISO 10243 colour standards.
Application:
Recommended for press tools, mould ejection systems, die sets, and high-frequency cyclic loading applications where consistent performance, dimensional accuracy, and longevity are critical.
| Feature | Value |
|---|---|
| Colour code | Yellow (G) Extra Heavy Load |
| Outer Diameter | 16 mm |
| Inner Diameter | 8 mm |
| Free Length (L∅) | 64 mm |
| Wire Section (Thickness) | 2.9 (Rectangular) |
| Spring Constant (k) | 4.2 kgf/ mm |
| Maximum Load (Fmax) | 92 kgf |
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