System Compression Springs – High-Performance Force Absorption for Tooling

System compression springs from KNARR are mechanical components designed to absorb forces when compressed and release energy when they return to their relaxed state. These springs act as efficient mechanical energy stores in tooling applications, especially in die and mould making where high force in limited space is critical. They provide space-saving force absorption with reliable performance. 

Spring Materials and Temperature Resistance

All KNARR system compression springs are made of hardened steel, offering durability and resilience under repeated compression cycles. They are suitable for use at temperatures up to 250 °C, making them suitable for demanding manufacturing environments where heat and load resilience are required. 

Load Classifications for Diverse Applications

KNARR supplies system compression springs in four distinct load categories to match specific tooling requirements:

• Very light loads (light green)

• Light loads (green)

• Medium loads (blue)

• Heavy and very heavy loads (red and yellow)

This range allows designers to select the appropriate spring force relative to the application’s load and space constraints. 

Benefits in Die and Tool Making

In tool and die applications, these compression springs help manage forces in tight spaces, enabling complex mechanical movements without sacrificing component longevity. The variety of diameters and spring lengths support adaptability across different tooling setups. 

Best Practices for Selection and Use

Selecting the right compression spring involves matching the expected load requirements, installation space, and operating temperature. Proper pre-load and installation practices improve spring life and performance, which is especially important where high-cycle loads are expected. 

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