{"id":1526,"date":"2025-12-10T16:13:46","date_gmt":"2025-12-10T08:13:46","guid":{"rendered":"https:\/\/whfastener.com\/?post_type=product&p=1526"},"modified":"2025-12-27T14:44:06","modified_gmt":"2025-12-27T06:44:06","slug":"spring-washer","status":"publish","type":"product","link":"https:\/\/whfastener.com\/es\/product\/spring-washer","title":{"rendered":"Arandela el\u00e1stica"},"content":{"rendered":"
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Product Overview<\/strong>
\nThe Spring Washer is a dynamically acting fastener designed specifically to prevent loosening in bolted joints subjected to vibration, thermal cycling, or dynamic loads. Its split-ring, helical form exerts a continuous spring force against the nut or bolt head, maintaining clamp load and compensating for material relaxation. It serves as a cost-effective, reusable locking element in a wide range of industrial and automotive applications.<\/p>\n

Key Advantages<\/strong><\/p>\n

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    Vibration Resistance:<\/strong>\u00a0The primary function is to resist self-loosening under vibration (Junker test principle).<\/p>\n<\/li>\n

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    Constant Spring Force:<\/strong>\u00a0Maintains tension in the joint, compensating for settlement and thermal expansion\/contraction.<\/p>\n<\/li>\n

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    Reusability:<\/strong>\u00a0Can generally be reused multiple times without significant loss of performance, unlike many chemical adhesives.<\/p>\n<\/li>\n

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    Easy Installation & Inspection:<\/strong>\u00a0Simple to install and its visible compression indicates applied preload.<\/p>\n<\/li>\n

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    Electrical Contact:<\/strong>\u00a0The cutting edges can bite through surface oxides, improving electrical continuity in grounding applications.<\/p>\n<\/li>\n<\/ul>\n

    Material Specifications & Performance<\/strong><\/p>\n

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    Material Standard<\/th>\nGrade \/ Type<\/th>\nTypical Hardness (HRC)<\/th>\nKey Characteristics<\/th>\n<\/tr>\n<\/thead>\n
    Spring Steel<\/strong><\/td>\nASTM AISI 1050 \/ 1070<\/td>\n40 – 50<\/td>\nHigh elastic limit, excellent fatigue resistance, general purpose.<\/td>\n<\/tr>\n
    Acero al carbono<\/strong><\/td>\nASTM AISI 1065 \/ 1075<\/td>\n38 – 45<\/td>\nGood balance of strength and elasticity, commonly plated.<\/td>\n<\/tr>\n
    Stainless Steel<\/strong><\/td>\nASTM AISI 302 \/ 316<\/td>\n–<\/td>\nCorrosion resistance for harsh environments, good spring properties.<\/td>\n<\/tr>\n
    Copper Alloy<\/strong><\/td>\nC17200 \/ C51000<\/td>\n–<\/td>\nNon-magnetic, good conductivity, moderate corrosion resistance.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

    Product Series & Standards<\/strong><\/p>\n

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      Standard Helical Spring Lock Washers:<\/strong>\u00a0Compliant with\u00a0DIN 127<\/strong>,\u00a0ASME B18.21.1<\/strong>, and\u00a0ISO 10683<\/strong>.<\/p>\n<\/li>\n

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      Heavy-Duty Spring Washers:<\/strong>\u00a0Thicker cross-section for higher loads (e.g., DIN 128 Form A).<\/p>\n<\/li>\n

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      Wave Spring Washers:<\/strong>\u00a0Provide a lower spring rate and more uniform load distribution (DIN 2093).<\/p>\n<\/li>\n

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      Gama de tallas:<\/strong>\u00a0Covers standard screw sizes from\u00a0M2 to M24<\/strong>\u00a0(Metric) and\u00a0#4 to 1″<\/strong>\u00a0(Imperial).<\/p>\n<\/li>\n<\/ul>\n

      Surface Finishes<\/strong><\/p>\n

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      Finish Type<\/th>\nStandard \/ Specification<\/th>\nPrimary Purpose & Notes<\/th>\n<\/tr>\n<\/thead>\n
      Plain \/ Uncoated (Spring Steel)<\/strong><\/td>\n–<\/td>\nStandard finish, often slightly oiled for storage.<\/td>\n<\/tr>\n
      Zinc Plated (Blue\/Trivalent)<\/strong><\/td>\nASTM B633<\/td>\nMost Common.<\/strong>\u00a0Provides basic corrosion protection (e.g., 72 hrs salt spray).<\/td>\n<\/tr>\n
      Phosphated & Oiled<\/strong><\/td>\n–<\/td>\nEnhances corrosion resistance and facilitates break-in.<\/td>\n<\/tr>\n
      Passivation<\/strong>\u00a0(Stainless Steel)<\/td>\nASTM A967<\/td>\nMaximizes the inherent corrosion resistance of stainless steel.<\/td>\n<\/tr>\n
      Electroplated Nickel<\/strong><\/td>\nASTM B456<\/td>\nGood corrosion & wear resistance, decorative appearance.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

      Function & Application Notes<\/strong><\/p>\n

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        Mechanism:<\/strong>\u00a0Works through both\u00a0elastic rebound<\/strong>\u00a0and the\u00a0bite<\/strong>\u00a0of its sharp edges into the mating surface and fastener.<\/p>\n<\/li>\n

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        Correct Installation:<\/strong>\u00a0Must be installed with the\u00a0split side against the rotating component<\/strong>\u00a0(usually the nut) for maximum effectiveness.<\/p>\n<\/li>\n

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        Limitations:<\/strong>\u00a0Performance can be reduced on very hard or soft surfaces. Not recommended for joints subjected to extreme or continuous rotation.<\/p>\n<\/li>\n

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        Typical Applications:<\/strong>\u00a0Automotive components, machinery bases, electrical panel grounding, pump and motor assemblies, fabricated structures.<\/p>\n<\/li>\n<\/ul>\n

        Quality Assurance<\/strong>
        \nOur spring washers are manufactured from certified materials and undergo process controls including:<\/p>\n

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          Dimensional verification per applicable standards.<\/p>\n<\/li>\n

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          Hardness testing to ensure proper spring performance.<\/p>\n<\/li>\n

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          Salt spray testing on finished batches (as per finish specification).<\/p>\n<\/li>\n

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          Production under\u00a0ISO 9001:2015<\/strong>\u00a0quality management systems.<\/p>\n<\/li>\n<\/ul>\n

          Manufacturing Expertise<\/strong>
          \nOur production utilizes precision stamping and heat treatment processes to ensure consistent cross-section, correct radial spring rate, and required hardness.\u00a0Hebei Wohe Fastener Manufacturing Co.<\/strong>\u00a0leverages automated sorting and packaging to deliver defect-free products suitable for automated assembly lines, meeting the demands of global OEMs and distributors.<\/p>\n

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          Availability:<\/strong>\u00a0Full range of standard sizes are typically in stock.
          \nCustomization:<\/strong>\u00a0Available in special sizes, non-standard materials, and unique finishes.
          \nMOQ:<\/strong>\u00a0Standard items: negotiable. Custom projects: subject to engineering review.
          \nLead Time:<\/strong>\u00a0Standard items: 10-15 days. Custom items: quoted upon specification confirmation.<\/p>\n

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          The effectiveness of a spring washer depends on correct joint design, proper installation torque, and application conditions. It is recommended to evaluate its suitability through testing for critical applications. Specifications are subject to change with product improvement.<\/em><\/p>\n<\/div>\n

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