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Heavy Duty Extension Springs
- High durability
- Superior finish
- Accurate dimensions
- Low maintenance
The introduction of extension spring:
Extension spring is a spiral spring which is under axial tension. The extension spring is generally made of material with circular cross section. When it is not under load, the circle and circle between the extension spring are generally no clearance and tight.
The parameters of extension spring:
Materials diameter: 0.08 - 6.0 mm
Pitch diameter: customized according to customer's request
Outer diameter: customized according to customer's request
Free length: according to customer requirements
Number of turns: customized according to customer's request
Workload: customized according to customer's request
Material:adopt the domestic and imported swc, sus, swp, mild steel wire, manganese steel wire, phosphorus copper wire, nickel-plated wire, zinc-plated wire, tin-plated copper wire, nickel-plated steel wire, non-magnetic stainless steel wire, heat-resistant steel wire, duplex stainless steel wire(corrosion resistant and heat resistant steel wire), bronze, copper, phosphorus copper, beryllium copper. Alloy steel has 60Si2MNA, 60Si2CRVA, 55CrSi.
The application of extension spring :
The extension spring is an important position in the global market, it widely used in computer, electronic, automotive, mold, medical, biological, chemical, aerospace, railway, nuclear power, wind power, thermal power, engineering machinery, mining machinery, construction machinery, elevator, etc.