Retractable Dog Leash Spring, Power Spring
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Retractable dog leash springs are small, and produced using a reverse winding or traditional method in order to release a constant force in a limited space. It acts as a buffer in pulling and retracting springs and can be designed to specifically match customer products. Retractable dog leash springs are used for stretching, retracting strings and storing energy.
Parameter- Springs of materials: The retractable dog leash springs can be made of 62Si2MnA, 65Mn, BTX(1078) carbon steel and stainless steel. Other materials are available upon request.
- Size ranges: thickness 0.10-0.40mm, width 6-20mm and length 500-8000mm
- Spring properties: After heat treatment, the highest hardness of 62Si2MnA can reach HV550-570, tension strength of 1900-2200kgf/mm2 with long fatigue lifetime. The 65Mn has hardness of HV480-550, tension strength of 1700-2000kgf/mm2 after heat treatment. BTX carbon steel have the highest hardness of HV560-590, tension strength of 2000-2300kgf/mm2 and fatigue life of this material is pretty long after heat treatment. What’s more, stainless steel exhibits hardness of HV560-590, tension strength of 2000-2300kgf/mm2 and enough long fatigue life after heat treatment.
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