Extension springs lengthen when a load is applied and are used to keep a system in equilibrium or subjected to a force.
SPECIFICATIONS | |
Wire diameter | 0.10 mm to 14 mm |
Manufacturing capacity | From one-off parts to long runs |
Sections | Round Square |
Secondary operations | Single ring coils Double ring coils Coils with shaped hooks |
Extension spring examples | Open loop extension spring German loop extension spring Closed loop extension spring Stainless steel extension spring Large loop extension spring Galvanized extension spring English loop extension spring |
Materials | Mild steel Inconel Stainless steel Brass Spring steel Shape memory alloys Copper Titanium |
Finishes | Passivated Burnished Chrome-plated White zinc coated Cataphoresis Zinc dichromate plated Epoxy paint |
Production equipment | Numerically-controlled spring-coiling machines Automatic spring-coiling machines Automatic looping machines Heat treatment air furnaces |