DIN128A Saddle Spring Washers Industrial Solutions

DIN128A saddle spring washer is a high-strength, fatigue, and impact-resistant fastener. It can provide stable spring force and a damping effect and is widely used in machinery manufacturing, aerospace, automotive industry, and other fields. Standard DIN128 for saddle spring washers belongs to the German standard, according to the appearance of its model, which can be divided into A type and B type. Against the national standard GB7245, saddle-type spring washers also avoid the assembly of bolts and nuts in the vibration of loosening. With DIN128 use, the spring washer, by external load and reserves of potential energy converted to elastic force, is conducive to maintaining the bolt preload to play a specific locking effect. Still, in a significant vibration in the radial load, its locking effect on the device is not ideal. The washers are recommended for bolts/nuts with strength class 8.8 or lower. Material: stainless steel 304, 316, 65Mn, 70# steel, grade: 100HV, 140HV, 200HV, 300HV, etc.

Surface treatment: ordinary blue and white zinc plating, ordinary color zinc, hot-dip galvanized, environmental protection color zinc, blue and white zinc, environmental protection Dacromet, etc.

Salt spray time: 72H, 96H, 120H, 300H, 360H, 720H, etc. neutral salt spray test

1. What is the structure and principle of DIN128A saddle spring washers?

Saddle spring washers have an inner curved surface, an outer curved surface, and an intermediate curved surface, presenting a saddle shape. Its main principle is to utilize the saddle-shaped structure's elastic deformation to provide the fastener's elastic force. When an external force is applied to the washer, its shape deforms elastically and produces a restoring force that keeps the fastener at a stable force.

2. What are the material options for saddle spring washers?

Commonly used materials for saddle spring washers, according to DIN 128A, include spring steel and stainless steel. Spring steel has high strength and fatigue resistance and is suitable for some demanding work environments. Stainless steel, on the other hand, is corrosion-resistant and is ideal for applications with corrosive requirements.

3. What are the main characteristics of DIN128A saddle spring washers?

Saddle spring washers have the following main features:

- Stable spring force: The structure of DIN128A saddle spring washers enables them to provide a stable spring force that is not easy to loosen.

- Good fatigue resistance: DIN128A saddle spring washers are made of high-strength materials and have good fatigue resistance.

- Strong impact resistance: DIN128A saddle spring washers can withstand significant impacts and have a good damping effect.

- Long service life: The service life is extended because saddle spring washers have good fatigue resistance.

3. What are the main characteristics of DIN 128A saddle spring washers?

Saddle spring washers have the following main features:

- Stable spring force: The structure of DIN128A saddle spring washers allows them to provide a stable spring force that is not easy to loosen.

- Good fatigue resistance: DIN128A saddle spring washers are made of high-strength materials and have good fatigue resistance.

- Strong impact resistance: DIN128A saddle spring washers can withstand significant impacts and have a good damping effect.

- Long service life: The service life is extended because saddle spring washers have good fatigue resistance.

4. What are the application areas of DIN128A saddle spring washers?

Due to their stable spring force and fatigue resistance, saddle spring washers are widely used in many fields:

- Mechanical manufacturing: DIN128A saddle spring washers are commonly used in mechanical fasteners such as bolts and nuts.

- Aerospace: DIN128A saddle spring washers can be used in the aerospace field for structural fastening of airplanes, rockets, and other vehicles.

- Automotive industry: DIN128A saddle spring washers are often used in automotive manufacturing to assemble engines, chassis, and other components.

5. What are the standard requirements for DIN 128A saddle spring washers?

The DIN128A standard specifies saddle spring washers' dimensions, materials, and properties. The dimensional and performance requirements for saddle spring washers vary for different applications. Users should refer to the standard when selecting saddle spring washers according to specific requirements. DIN128A saddle spring washers are a kind of high-strength, fatigue-resistant, impact-resistant fasteners. Its structure and principle, material selection, characteristics, and application areas have specific requirements. In the process of use, it should be selected and used in strict accordance with the provisions of the DIN128A standard.

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