Precision Compression Springs
Our factory fabricates precision compression springs with wire diameters from 0.2mm to 5.0mm and outer diameters from 3mm to 80mm. Free height can be customized between 5mm and 300mm, fully matching strict dimensional standards of precision equipment. Each batch of precision compression springs undergoes rigid stability testing to eliminate performance deviation in mass assembly.
Core Advantages
Controllable high precision
Outer diameter tolerance ±0.03mm ~ ±0.1mm, height tolerance ±0.05mm ~ ±0.2mm, ensuring excellent consistency of mass-produced parts.
Wide material options
Carbon spring steel, alloy spring steel, SUS304/ SUS316/ SUS631 stainless steel, piano wire and oil-tempered wire are available for different performance demands.
Stable elasticity
Pre-setting and pre-compression processes minimize stiffness variation after long-term cyclic operation.
Complete surface finishing
Natural finish, black oxide, zinc plating, nickel plating, plastic coating and electrophoresis options for anti-corrosion and aesthetic needs.
Typical Applications
Mainly used in automobiles, precision instruments, electronic appliances, hardware tools, mechanical equipment and medical devices with strict standards for spring accuracy and stability.
Custom Service
Baoding Zhongxin Spring Manufacturing Co., Ltd. boasts a professional R&D and technical team providing full OEM & ODM services. Clients can submit technical drawings or samples, and our engineers will optimize structural design for your project. Sample development cycle: ~10 days; standard product lead time: 10 days; customized product lead time: 15 days. Free trial samples are offered to verify performance before mass orders.
Product Parameter Table
|
Parameter Item |
Value / Range |
|
Wire Diameter Range |
0.2 mm ~ 5.0 mm |
|
Outer Diameter Range |
3 mm ~ 80 mm |
|
Free Height |
5 mm ~ 300 mm (Customizable) |
|
Optional Materials |
Carbon Spring Steel (65Mn / 77B / 82B), Alloy Spring Steel (60Si2Mn / 55CrSi), Stainless Steel (SUS304 / SUS316 / SUS631), Piano Wire / Oil Tempered Wire |
|
Surface Treatment |
Natural / Black Oxide / Zinc Plating / Nickel Plating / Plastic Coating / Electrophoresis |
|
Customization Mode |
Custom per drawings, samples or technical specifications |
|
Application Scenarios |
Automobiles, precision instruments, electronic appliances, hardware tools, mechanical equipment, medical devices |
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