Jiangsu Sunzo Spring Elasticity Technology Co., Ltd
Products
Manufacturer of a wide range of products which include Dacromet & Phosphating Bearing Preload Springs | SUNZO Factory,Customizable Bearing Spring Various Sizes Engineering Clutch Diaphragm Spring,Dacromet Coated Bearing Disc Sprin...
MOQ: Negotiable
Price: Negotiable
| Dacromet temperature resistance | Up to 300°C |
| Mechanical Zinc thickness | 50-80μm |
| Wear resistance increase | 30% |
| Packaging Details | Carton |
| Salt spray resistance | 48-hour ASTM B117 |
| Payment Terms | Negotiable |
| Dacromet corrosion resistance | 1500+ hours ASTM B117 |
| Force multiplication | Up to 5.8x |
| Phosphating thickness | 5-15μm |
| Delivery Time | Negotiable |
| Surface treatment options | Phosphating, Dacromet, Blackening, Mechanical Zinc Plating, Plain Oiled |
| Abrasion resistance | 450HV |
| Blackening layer thickness | 1-3μm |
| Load distribution variance | ±2% |
| Humidity test resistance | 96-hour ISO 6270-2 |
| Plain Oiled thickness | 5-8μm |
| Certification | CE/IATF16949/45001/14001/9001 |
| Brand Name | Sunzo |
| Place of Origin | Sihong, China |
MOQ: Negotiable
Price: Negotiable
| Packaging Details | Carton |
| Delivery Time | Negotiable |
| Payment Terms | Negotiable |
| Material | Steel |
| Usage | Industrial |
| Load Type | Compression |
| Shape | Disk |
| Trademark | Sunzo or OEM |
| Origin | Suqian China |
| HS Code | 7320909000 |
| Innerdiameter | 20 mm |
| Outerdiameter | 50 mm |
| Application | Used in bearing preload and vibration absorption |
| Surfacetreatment | Phosphate Coating |
| Deflection | 3 mm |
| Hardness | HRC 40-50 |
| Finish | Polished |
| Thickness | 5 mm |
| Loadcapacity | 2000 N |
| Operatingtemperaturerange | -40°C to 200°C |
| Standard | DIN 2093 |
| Productname | Bearing Disc Spring |
| Springrate | 1500 N/mm |
| Color | Silver |
| Place of Origin | Sihong, China |
| Brand Name | Sunzo |
| Certification | CE/IATF16949/45001/14001/9001 |
MOQ: Negotiable
Price: Negotiable
| Packaging Details | Carton |
| Delivery Time | Negotiable |
| Payment Terms | Negotiable |
| Material | 50CrVA alloy steel |
| Tensile strength | 1250-1400 MPa |
| Hardness | HRc 45-50 |
| Coating type | Dacromet (zinc-aluminum flake) |
| Coating thickness | 8-12μm |
| Corrosion resistance | 1000 hours (ASTM B117) |
| Temperature range | -40°C to 120°C |
| Load tolerance | ±2% |
| Force multiplication | 4.5x |
| Friction reduction | 30% |
| Preload stability | ±5% variation |
| Cycle durability | 10⁷ load cycles |
| Bearing life extension | 40% |
| Maintenance cost reduction | 25% |
| Configuration options | Grooved/grooveless |
| Load distribution | Uniform |
| Stacking compatibility | Multi-plate parallel |
| Environmental resistance | Chlorides, sulfides, pollutants |
| Coating performance | Superior to phosphate treatments |
| Application | Wheel hub, crankshaft, transmission |
| Place of Origin | Sihong, China |
| Brand Name | Sunzo |
| Certification | CE/IATF16949/45001/14001/9001 |
MOQ: Negotiable
Price: Negotiable
| Packaging Details | Carton |
| Delivery Time | Negotiable |
| Payment Terms | Negotiable |
| Material composition | Ni-52%, Cr-19%, Fe-18%, Nb-5% |
| Operating temperature | -270°C to 650°C |
| Peak temperature | 800°C |
| Tensile strength | 1400 MPa |
| Young's modulus | 180 GPa |
| Fatigue life | 10⁷ cycles |
| Preload force variation | ±5% |
| Load multiplication | 4-5x |
| Load distribution variance | ±3% |
| Surface coating thickness | 8-12μm |
| Salt spray resistance | 1500+ hours |
| Tolerance class | IT5 |
| Dimensional tolerance | ±0.02mm |
| Groove depth ratio | 0.4 |
| Radial stress reduction | 30% |
| Surface hardness | HV 500-550 |
| Maximum RPM | 15,000 RPM |
| Maximum load | 800 kN |
| Stack configuration | 2-6 discs |
| Vibration frequency range | 10-2000Hz |
| Place of Origin | Sihong, China |
| Brand Name | Sunzo |
| Certification | CE/IATF16949/45001/14001/9001 |
MOQ: Negotiable
Price: Negotiable
| Packaging Details | Carton |
| Delivery Time | Negotiable |
| Payment Terms | Negotiable |
| Groove count | 4-8 equidistant grooves |
| Groove depth ratio | 0.3-0.5 |
| Radial flexibility | 30% enhanced |
| Vibration reduction | up to 25% |
| Friction reduction | 15-20% |
| Operating speed | exceeding 10,000 RPM |
| Stack configuration | 2-6 discs |
| Load tolerance | ±2% |
| Force multiplication | up to 5x |
| Material options | SUS304, 50CrVA |
| Fatigue resistance | ≥10⁷ cycles |
| Surface treatment | black oxide coating, dacromet plating |
| Corrosion resistance | ASTM B117 ≥1000 hours |
| Bearing compatibility | ISO 104, ISO 62 |
| Stress distribution | FEA-optimized |
| Heat generation | reduced 15-20% |
| Load distribution | uniform |
| Mechanical stability | superior |
| Operational longevity | enhanced |
| Preload maintenance | consistent |
| Place of Origin | Sihong, China |
| Brand Name | Sunzo |
| Certification | CE/IATF16949/45001/14001/9001 |
MOQ: Negotiable
Price: Negotiable
| Packaging Details | Carton |
| Delivery Time | 10 days |
| Payment Terms | Negotiable |
| Material | Stainless Steel |
| Load Type | Compression |
| Shape | Disk |
| Load Capacity | 2000 N |
| Operating Temperature | -40°C to 200°C |
| Spring Rate | 1500 N/mm |
| Outer Diameter | 50 mm |
| Inner Diameter | 20 mm |
| Thickness | 5 mm |
| Surface Treatment | Phosphate Coating |
| Deflection | 3 mm |
| Fatigue Life | 1,000,000 cycles |
| Finish | Polished |
| Material Options | 60Si2MnA, 50CrVA, SUS301, SUS304, SUS316, HP15-7Mo, 17-7pH, 30W4Cr2v, INCONEL-750, INCONEL-718, 21 CrMoV 5 7, X 22 CrMoV 12 1, X 35 CrMo 17, X 30 WCrV 5 3, A286, CuSn 8, CuBe 2, Nimonic 90 |
| Surface Treatment Options | Phosphating, electrophoresis, oxidize Bluing, mechanical Zinc plating, Polish, original, white zinc, black, nickel, chrome |
| Annual Output | 40,000,000PC/year |
| Package | Standard wood box or carton + pallet |
| Place of Origin | Sihong, China |
| Brand Name | Sunzo |
| Certification | CE/IATF16949/45001/14001/9001 |
MOQ: Negotiable
Price: Negotiable
| Packaging Details | Carton |
| Delivery Time | Negotiable |
| Payment Terms | Negotiable |
| Wall thickness | 3.5-8.0mm |
| Radial stiffness | 280-450N/mm |
| Load variance | ±2% |
| Stack quantity | 4-12 pieces |
| Load multiplication ratio | 4.2-6.8x |
| Compression at ratio | 1.2mm |
| Preload range | 5-25kN |
| Axial play | <0.02mm |
| Material composition | 60Si2MnA spring steel (0.62%C-2.05%Si-1.05%Mn) |
| Heat treatment | 870°C quenching + 480°C tempering |
| Hardness | HRC 47-51 |
| Tensile strength | 1900MPa |
| Plating thickness | 60-80μm |
| Surface hardness | 450HV |
| Salt spray resistance | 1000-hour per ASTM B117 |
| Operating temperature | -30°C to 150°C |
| Shock load resistance | 300% of rated load |
| Fatigue life | 5×10⁶ cycles |
| Preload decay | <8% |
| Bearing compatibility | Timken 32000 series, SKF BT2 series |
| Place of Origin | Sihong, China |
| Brand Name | Sunzo |
| Certification | CE/IATF16949/45001/14001/9001 |
MOQ: Negotiable
Price: Negotiable
| Packaging Details | Carton |
| Delivery Time | Negotiable |
| Payment Terms | Negotiable |
| Material Composition | 50CrVA (1.05%C-0.8%V-0.25%Mo), 60Si2MnA (0.6%C-2.0%Si-1.0%Mn) |
| Hardness | HRC 45-50 |
| Tensile Strength | 1800MPa |
| Elastic Limit | ≥1200MPa |
| Fatigue Life | >10⁷ cycles at 40% load |
| Preload Retention | >95% after 10⁶ cycles |
| Load Variance | ±3% |
| Load Multiplication | 2.5-5.2x |
| Max RPM | 25,000 RPM |
| Operation Frequency | up to 500Hz |
| Wall Thickness | ±0.005mm |
| Fillet Radius | R0.3-R0.8mm |
| Quenching Temp | 860°C (50CrVA), 870°C (60Si2MnA) |
| Tempering Temp | 420°C (50CrVA), 480°C (60Si2MnA) |
| Stack Configuration | 2-8 discs |
| Continuous Operation | 20,000 hours |
| Stress Concentration | Eliminated |
| Uniform Load | Yes |
| High-Speed Operation | Yes |
| Extreme Conditions | Yes |
| Place of Origin | Sihong, China |
| Brand Name | Sunzo |
| Certification | CE/IATF16949/45001/14001/9001 |
MOQ: Negotiable
Price: Negotiable
| Packaging Details | Carton |
| Delivery Time | Negotiable |
| Payment Terms | Negotiable |
| Material options | 50CrVA, 60Si2MnA, SUS304/316, Inconel 718, Hastelloy C276 |
| Dimensional tolerance | ±0.01mm |
| Load force variance | ±2% |
| Force multiplication | 3.2-6.8x |
| Standard sizes | 200+ |
| Production capacity | 5 million units/year |
| Production lines | 12 automated |
| On-time delivery | 98% |
| Fatigue testing | 10⁷ cycles |
| Surface treatments | 8+ |
| Load distribution | Uniform |
| Design support | CAD/CAM |
| Prototyping method | 3D printing |
| Corrosion test standard | ASTM B117 |
| Compliance standards | ISO 10243, DIN 2092, ASTM A973 |
| Quality inspection | 100% |
| Technical support | 24/7 |
| Bearing compatibility | SKF, Timken, NSK |
| Design method | FEA simulation |
| Prototyping process | Iterative |
| Place of Origin | Sihong, China |
| Brand Name | Sunzo |
| Certification | CE/IATF16949/45001/14001/9001 |
MOQ: Negotiable
Price: Negotiable
| Packaging Details | Carton |
| Delivery Time | Negotiable |
| Payment Terms | Negotiable |
| Positioning accuracy | 0.001mm |
| Maximum RPM | 25,000 RPM |
| Dimensional tolerance | IT3 grade (<0.005mm) |
| Thickness uniformity | ±0.003mm |
| Load force variance | ±2% |
| Load multiplication ratio | 3.2-4.5x at 0.5mm displacement |
| Material options | 50CrVA, SUS304 |
| Hardness (50CrVA) | HRC 45-50 |
| Tensile strength | 1800MPa |
| Heat treatment (50CrVA) | 860°C quench, 420°C temper |
| Solution annealing (SUS304) | 1050°C |
| Dynamic stiffness | 150-300N/mm |
| Fatigue testing cycles | 10⁶ cycles |
| Preload decay | <5% |
| Spindle runout | ≤2μm |
| Machining accuracy | ±0.001mm |
| Lubrication channel width | 0.8mm |
| Lubrication channel depth | 0.5mm |
| Operating temperature | -40°C to 120°C |
| Almen intensity | 0.2A |
| Place of Origin | Sihong, China |
| Brand Name | Sunzo |
| Certification | CE/IATF16949/45001/14001/9001 |
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