Associated Spring Raymond 204-940 Die Spring 10 in Blue

Product Description

The ASSOCIATED SPRING RAYMOND 204-940 is a medium-duty die spring designed for use in stamping dies, presses, and tooling applications where consistent, reliable force is required over repeated cycles. Built from chromium alloy steel, this spring features a trapezoidal wire cross-section that delivers higher load capacity relative to its envelope size compared to round-wire springs. The free length is 254 millimeters (10 inches), the hole diameter is 63 millimeters (approximately 2.48 inches), and the rod diameter is 38 millimeters (approximately 1.50 inches). It is color-coded blue to indicate medium-duty load rating per ISO 10243.

This die spring is suited for industrial tooling environments including metal stamping, punch and die assemblies, injection mold tooling, and similar press-tool applications. The blue color rating positions it in the medium-duty category, appropriate for applications requiring moderate spring force without the bulk of heavy-duty alternatives. Toolmakers, die setters, and maintenance technicians working with standard ISO-dimensioned die sets are the primary installers of this component.

Key Features

• Trapezoidal wire cross-section provides higher load density than round-wire die springs of equivalent size
• Chromium alloy steel construction for durability under cyclic compressive loads
• Blue color code denotes medium-duty rating per ISO 10243
• Maximum deflection load of 1,674.38 lb (7,448 N) at full travel to solid
• Maximum deflection (travel to solid) of 95 millimeters (approximately 3.74 inches)
• Conforms to ISO 10243 dimensional and load standards for interchangeability in standard die sets

Compatibility

Designed as an ISO 10243-compliant medium-duty die spring for use in standard industrial die sets and press tooling with a 63 millimeter hole diameter and 38 millimeter rod diameter.

Installation Notes

Die springs should be installed and replaced by qualified toolmakers or die maintenance personnel familiar with press-tool safety procedures. Always de-energize and lock out the press before accessing the die set. Inspect the spring seat and guide rod for wear, burrs, or misalignment before installation, as side loading significantly reduces spring service life. Do not compress beyond the rated maximum deflection; operating at or near solid height accelerates fatigue failure.