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The ASSOCIATED SPRING RAYMOND 106-518 is a heavy-load die spring designed for use in metal stamping dies, punch presses, and industrial tooling applications. It features a 1 inch hole diameter, a 0.5 inch rod diameter, and a 4.5 inch free length. Constructed from chromium alloy steel with a trapezoidal wire cross-section, this green-coded spring delivers a maximum deflection load of 549 pounds at 1.13 inches of maximum deflection. The green color designation indicates a heavy load classification, making it suitable for demanding cyclic compression applications in production tooling environments.
This die spring is used in stamping and forming dies, injection mold assemblies, and mechanical press tooling where consistent spring force and long cycle life are required. The 106-518 is a direct fit for standard die set configurations calling for a 1 inch outer diameter spring in heavy load service. Toolmakers, die setters, and maintenance technicians working in metal fabrication and plastics processing facilities install this part as part of routine die maintenance or new die builds.
Designed as an OEM-style replacement or new-build component for standard industrial die sets requiring a 1 inch outer diameter, 0.5 inch rod diameter heavy-load die spring with a 4.5 inch free length.
Die springs are installed by toolmakers and die maintenance technicians following proper lockout/tagout procedures before any press or die work is performed. The spring should be seated squarely on the rod and within the pocket to prevent side loading, which reduces fatigue life. Never compress a die spring beyond its published maximum deflection rating. Consult the die design drawings and applicable safety standards before replacing springs in a production die set.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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