l+s prazisionsguss fasteners Germany l+s prazisionsguss model l+s prazisionsguss price

l+s prazisionsguss fasteners: Locking washers are a type of fastener with a flat, ring-like shape. Placed between the bearing surface of a bolt, screw, or nut and the surface of the connected part, they increase the contact area, reduce pressure per unit area, and protect the connected part's surface from damage. Another type, elastic washers, also prevents nuts from loosening. The locking washer consists of two pieces; its unique embedded structure changes the traditional method of relying mainly on friction for locking, instead adopting the internationally most advanced locking technology, utilizing tension between the two washers to achieve dual effects of locking and tightening. It prevents loosening caused by vibration and dynamic loads, is easy to disassemble, and the loosening torque is greater than the tightening torque; the locking effect is not affected by lubrication, and increased lubrication improves the locking effect; it has the same temperature characteristics as standard bolts/nuts; and can be reused a limited number of times.

l+s prazisionsguss fasteners function

Locking washers bring convenience to the mechanical industry, as they can prevent thread loosening. There are many varieties of locking washers, including butterfly washers, saddle washers, spring washers, and wave spring washers, collectively known as locking washers. These types of locking washers rely on increasing static friction to achieve locking effects, which can meet enterprise needs under conditions of low vibration, light load, and uniform speed. However, under strong vibration, high load, and rapid motion conditions, they cannot achieve complete locking effects, only extending the time for nuts and bolts to loosen spontaneously, breaking away from the previous method of using increased "preload" and enhanced "friction" for locking. The latest locking principle is applied not only in washers but also in nuts and bolts, thereby solving the problem of fastener loosening in heavy industry enterprises and eliminating the cumbersome installation process without referring to input and output torques.

l+s prazisionsguss fasteners installation requirements

Locking washers are characterized by simple installation. Simply place the two washers with their inner inclined tooth surfaces facing each other between the nut and the connected material; after the nut is tightened, the outer radial cam surface of the locking washer engages with the contact surfaces on both ends, and the angle of the inner inclined tooth surface is greater than the thread angle of the bolt; when the bolt is elongated due to mechanical vibration, the nut will rotate and loosen. Since the friction of the outer radial cam surface of the locking washer is greater than the friction between the inner inclined tooth surfaces. In this state, only relative movement between the inner inclined tooth surfaces is allowed, generating a certain lifting tension; When the bolt contracts, the inclined tooth surface of the washer returns the nut to its original position. Thus achieving the 111% locking and tightening effect; the washer is suitable for relatively flat and smooth surfaces; If the connected material is non-metallic, a metal plate can be fixed to the connected material, allowing the use of locking washers.

l+s prazisionsguss fasteners application

Due to different environments, the material requirements for locking washers also vary. They are characterized by a wide variety of specifications, diverse performance and uses, and a high degree of standardization, serialization, and generalization. Some people refer to a class of locking washers with national standards as standard fasteners or simply standard parts. Stainless steel locking washers have inherent corrosion resistance; when the surface is damaged, a thin oxide layer forms on the metal surface to prevent further corrosion. Typically, this series of actions—blocking, shearing, adhering, and seizing—occurs within just a few seconds, so correct understanding and use of such fasteners are necessary to prevent this phenomenon. Locking washers are suitable for equipment subject to frequent vibration, such as: automotive industry, compressors, construction, wind power equipment, agricultural machinery, casting industry, drilling equipment, shipbuilding industry, mining equipment, oil drilling rigs (onshore or offshore), public utilities, rail transit, transmission systems, and metallurgical equipment.

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