A spring washer, also known as a helical spring washer or a lock washer, is a mechanical component widely used in various industries. Here is a detailed introduction:
It is typically made of spring - grade steel wire wound into a helical shape. The spring washer has a cylindrical or conical shape, with a central hole in the middle to allow it to be installed on a bolt, screw, or other fasteners. The outer diameter of the spring washer is larger than the inner diameter, and the wire diameter and pitch of the helix determine its mechanical properties.
The main function of a spring washer is to provide a resilient force. When installed between a nut and a workpiece or between two components, it is compressed by the tightening force of the fastener. This compression causes the spring washer to store elastic potential energy. As the fastener tries to loosen due to vibration, thermal expansion, or other factors, the spring washer releases the stored energy and exerts a radial force, thereby keeping the nut or fastener in a tightened state and preventing it from loosening.
Automotive Industry: Spring washers are used in engine assemblies, chassis connections, and various mechanical parts to ensure that the fasteners remain tight during the vehicle's operation, even under harsh vibration and dynamic load conditions.
Electrical Equipment: In electrical cabinets, switchgear, and other equipment, spring washers are used to secure electrical connections and prevent loosening caused by thermal expansion and contraction or vibration, thus ensuring the reliability of electrical contacts.
Mechanical Engineering: In industrial machinery, such as pumps, motors, and conveyors, spring washers are essential for maintaining the integrity of connections between different components, ensuring the smooth operation of the machinery.
Construction Industry: They are used in the construction of buildings and bridges to secure bolts and nuts in structural connections, providing resistance to vibration and dynamic loads.
Good Resilience: Spring washers can effectively absorb and release energy, providing reliable anti - loosening performance.
Simple Structure and Easy Installation: Their simple design makes them easy to install and remove, reducing installation time and costs.
Wide Range of Applications: Suitable for various types of fasteners and can be used in different industries and working environments.
In summary, the spring washer is a small but crucial mechanical component that plays an important role in ensuring the reliability and safety of mechanical connections in many fields.
1,Standard including: DIN127,SAE,USS
2,Brand: HB
3,Material: Stainless Steel / Carbon Steel ,low carbon steel(mild steel), middle carbon steel, alloy steel, stainless steel (SS201, SS304, SS316),and brass, aluminium alloy.
4,SAE Class: 2,5.8 ASTM A194 2H.F436. Metric from 4 to 10
5,Metric Size: M5 M6 M8 M10 M12 M14 M16 M18 M20 M22 M24 M27 M30 M33
Inch size: 1/4”,3/8”,1/2”,5/8”,3/4”,7/8”,1”,1-1/4”,1-1/2”,2”,2-1/4”
6,Surface finish: Plain finish,Black ,Black Oxide, Black Zinc Coating,Hot Dip Galvanized(HDG), Zinc Plated, Yellow ZP,Brass coating, Nickle plated , Chrome plating, Dacromat, Geomet, etc.
7,Packing: 20-25kg Carton+Pallet (bulk packing OR small box packing)