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Jiangsu Sunzo Spring Elasticity Technology Co., Ltd
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{"title":"Precision Engineered Custom Helical Compression Spring in 50CrVA Steel for","imgUrl":"https:\/\/img.chinax.com\/nimg\/75\/52\/43c53886bf1e1afab010170367fb-200x200-1\/precision_engineered_custom_helical_compression_spring_in_50crva_steel_for_industrial_applications.jpg","attrs":{"Minimum Order Quantity":"Negotiable","Material":"Steel","Load Type":"Compression","Production Process":"Hot Roll"}}
{"title":"Corrosion Resistant Stainless Steel Helical Spring with Medical-Grade 316L and","imgUrl":"https:\/\/img.chinax.com\/nimg\/97\/d4\/31cbb88a6a1d117a5115d682eb37-200x200-1\/corrosion_resistant_stainless_steel_helical_spring_with_medical_grade_316l_and_precision_load_deflection_characteristics.jpg","attrs":{"Material":"316L stainless steel (UNS S31603), 17-4 PH stainless steel","Corrosion resistance":"Pitting Resistance Equivalent Number >40","Salt spray test":"1,000-hour per ASTM B117","Nickel plating thickness":"10\u03bcm"}}
{"title":"Helical Spring for Machinery with 40% Vibration Reduction, 2200 MPa Tensile","imgUrl":"https:\/\/img.chinax.com\/nimg\/9b\/93\/bcafaf36ce3ef850e3a36315d383-200x200-1\/helical_spring_for_machinery_with_40_25_vibration_reduction_2c_2200_mpa_tensile_strength_2c_and_2_5_million_cycle_durability.jpg","attrs":{"Spring rate":"0.5-500 N\/mm","Vibration reduction":"40%","Component wear reduction":"25%","Tensile strength":"2200 MPa"}}
{"title":"Automated Production Helical Spring with \u00b10.005mm Tolerances and Industry 4.0","imgUrl":"https:\/\/img.chinax.com\/nimg\/d1\/77\/4f2fcffff229ba7164b3e929a14a-200x200-1\/automated_production_helical_spring_with_c2_b10_005mm_tolerances_and_industry_4_0_integration_for_5_million_springs_2fmonth.jpg","attrs":{"Dimensional tolerance":"\u00b10.005mm","Load variation":"<2%","Production capacity":"5 million\/month","Cycle time":"0.8 seconds"}}
{"title":"Customized Compression Spring with \u00b11% Load Accuracy, 650\u00b0C High-Temperature","imgUrl":"https:\/\/img.chinax.com\/nimg\/a7\/d2\/6d102ec9dce090014d7e8f76a6b1-200x200-1\/customized_compression_spring_with_c2_b11_25_load_accuracy_2c_650_c2_b0c_high_temperature_stability_2c_and_c2_b10_005mm_precision_.jpg","attrs":{"Temperature range":"-40\u00b0C to 300\u00b0C","Load capacity":"Up to 5000N","Clearance requirement":"As low as 2mm","Load accuracy":"\u00b11% tolerance"}}
Helical Spring for Home Appliances: Engineered Quietness & Reliability for Daily Comfort
In modern households, where home appliances operate daily—from refrigerators maintaining food freshness to washing machines handling laundry cycles—compression springs play a critical role in ensuring quiet operation and long-term reliability. Our Helical Springs are precision-engineered specifically for home appliance applications, delivering exceptional noise reduction, structural stability, and durability to enhance user comfort.
Advanced Engineering & Performance
Crafted using advanced CAD (SolidWorks 2024) and FEA (ANSYS Mechanical) simulations, these springs feature optimized coil geometries that minimize resonant frequencies, reducing operational noise to below 35 dB (per ISO 3744 acoustic testing)—a 28% improvement over standard springs used in entry-level appliances.
Premium Materials & Construction
Constructed from premium materials tailored to household environments, our springs offer superior performance across applications: 304 stainless steel variants provide 500-hour salt spray resistance (ASTM B117) for humid areas like laundry rooms, while ASTM A228 high-carbon steel models deliver 10⁶ cycle fatigue strength with 95% load retention, ideal for high-frequency components like washing machine drums.
Each spring undergoes a proprietary phosphate coating process to prevent corrosion from detergents and moisture, ensuring a service life exceeding 10 years in typical household conditions.
Key Engineering Features
Noise Reduction: Variable-pitch coil design disrupts vibration transmission, lowering operational sound by 18% in refrigerator compressors and 25% in air conditioner fan units
Stability Control: Precision CNC coiling (±0.02mm tolerance) ensures consistent load performance (±2% variance), preventing component misalignment in door hinges and valve mechanisms
Environmental Adaptability: Temperature-stable materials maintain elasticity from -20°C to 70°C, suitable for both freezers and oven ventilation systems
Quality Validation & Performance
Rigorous quality validation includes 100% dynamic load testing (0-100N force range) and thermal cycling per IEC 60335-1 safety standards, ensuring compliance with global appliance regulations. Field data from a leading home appliance manufacturer shows that integrating our springs reduced product noise complaints by 32% and售后维修率 by 15% within the first year of deployment.
Custom Solutions & Specifications
Available Customizations
Wire Diameters0.5mm to 8mm
Free Lengths10mm to 200mm
We offer customized solutions for specific appliance models, supporting various applications from smart refrigerator ice dispenser mechanisms to high-efficiency washing machine shock absorbers. Our helical springs deliver the quiet reliability modern households demand—backed by ISO 9001 quality management and a dedicated R&D team with 15+ years in appliance component engineering.
