The functions and applications of jam nuts and lock nuts are different

Anti loosening nuts and lock nuts are common fastening elements used to prevent nuts from loosening during vibration or use. Although their goals are similar, there are some differences in their functionality and application methods. This article will introduce the differences between jam nuts and lock nuts, as well as their respective characteristics and application fields. Anti loosening nuts, as the name suggests, are mainly used to prevent nuts from loosening in vibration environments. They usually achieve anti loosening effect by adding elastic washers or flanges inside the nut. These additional components will increase the friction between the nut and bolt, providing a stronger connection when subjected to vibration. The installation and disassembly of the lock nut is similar to that of a regular nut and can be reused. Anti loosening nuts are suitable for occasions with relatively low requirements for looseness, such as mechanical equipment, furniture, etc. Lock nuts are mainly used in applications that require higher firmness. The locking nut adopts a special design and structure, which can provide additional pressure or friction during installation to ensure that the nut always remains tightened in a vibration environment. There are usually different types of locking nuts, such as self-locking nuts, washer type nuts, and pre tightening nuts. The common feature of these locking nuts is that they generate significant friction or tightening force between the nut and the bolt to prevent loosening. The installation and disassembly of lock nuts generally require special tools or specific operating methods. There are also differences in the usage scenarios of jam nuts and lock nuts. Lock nuts are suitable for general fixed connections, such as furniture and daily necessities. They can be easily replaced during normal maintenance and disassembly. Locking nuts are mainly used for fastening key parts, such as moving parts of mechanical equipment and important connection points in industrial machinery. Locking nuts often require preloading or pre tightening before installation to achieve the desired tightening effect.

2023-09-15

Anti loosening nut is an important device to ensure reliable connection

Firstly, the anti loosening nut adopts a special structure and working principle, which can provide additional locking force to prevent the nut from loosening. It usually has a washer or spring structure, which can generate additional pressure under force and vibration to fix the nut in the threaded hole, effectively preventing loosening and detachment. Anti loosening nuts can be selected according to different needs, such as spring washers, lock nuts, etc. Secondly, the installation and use of anti loosening nuts are relatively convenient. During the installation process, lock nuts are usually similar to regular nuts, using the same installation tools and steps to ensure stable installation. When using anti loosening nuts, no additional tools or operations are required, just tighten according to the correct torque requirements. Thirdly, anti loosening nuts are widely used in various fields. Whether in the fields of mechanical equipment, automotive manufacturing, construction engineering, or aerospace, lock nuts play an important role. It is commonly used for connections that require resistance to vibration and looseness, such as wheel nuts, engine components, aviation equipment, etc. By using anti loosening nuts, the connection can be maintained firmly and stably, improving the efficiency and safety of equipment and structures. Then, in terms of maintenance, the lock nut is relatively simple. Regularly check the tightening status of the lock nut to ensure the stability and safety of the connection. If loose or deformed nuts are found, measures should be taken in a timely manner for inspection and adjustment to maintain the reliability of the connection.

2023-09-15

The principle and advantages and disadvantages of anti loosening nuts

Anti loosening nuts are made of special engineering plastics attached to the threads of the nuts. When used with bolts, these nuts cause the internal and external threads to be compressed by the engineering plastics during the tightening process, resulting in a strong reaction force, greatly increasing the friction between the internal and external threads and providing resistance to vibration. This resistance is completely distributed throughout the entire meshing section of the internal and external threads, and this friction force is independent of the tightening pressure between the internal and external threads. Unlike previous stopping methods, it relies on the friction force generated by the pressure after the screw is tightened to play a stopping role. Once the screw is slightly loosened, the pressure decreases, and the friction force quickly disappears and loses the stopping effect, causing the screw to loosen. Advantages of locking nuts: Superior seismic performance: The normal force generated by tightening the anti loosening nut is much greater than that of ordinary standard nuts, which has a greater anti loosening and anti vibration ability. Strong wear resistance and shear resistance: The 30 ° inclined surface of the nut thread base can evenly distribute the locking force of the nut on all the threads of each tooth. Due to the uniform distribution of compression force on the thread surface of each tooth, the nut can effectively solve the problems of thread wear and shear deformation. Long service life: The rubber ring of the anti loosening nut has good flexibility, weather resistance, and is not easy to loosen. The locking performance still maintains its original effect after repeated disassembly. Disadvantages of locking nuts: Unable to adapt to harsh environments. The temperature is too high or too low, which has a significant impact on the locking effect of the anti loosening nut, and the locking effect of the nut is greatly reduced. The quality decreases after electroplating heat treatment. During heat treatment, it is easy to cause residual foreign objects on the nylon surface and damage the threads. Anti loosening nuts are widely used in agricultural machinery, public facilities, and other fields due to their integrated nature, convenient installation, reusability, and no need for washers.

2023-09-15

Locking nut: a guarantee of stable connection

The working principle of a locking nut is based on the interaction of friction and elastic force. Generally speaking, there is a special embedded washer inside the lock nut, which can be made of metal or plastic. When installing the nut, the washer will be subjected to external force from the threaded rod, resulting in elastic deformation. Under the action of elastic force, the washer will twist and tightly fit the threaded rod, forming frictional force, making the connection between the threaded rod and the nut more stable. There are usually two types of lock nuts: metal lock nuts and plastic lock nuts. Metal lock nuts use metal washers, which have high strength and high temperature resistance, and are suitable for various industrial and mechanical equipment. Plastic lock nuts, on the other hand, use plastic washers, which are lightweight, corrosion-resistant, and electrically insulated, and are commonly used in fields such as electronic equipment, automobiles, and furniture. The installation of the locking nut is very simple, just tighten the nut. During the tightening process, the washer is compressed and undergoes elastic deformation, forming frictional force. This friction force enables the locking nut to have good resistance to loosening, and even under vibration or load, the bolt can maintain a stable connection. In addition, the locking nut can be disassembled and reused multiple times, making it very convenient. Lock nuts play an important role in many fields. In mechanical engineering, lock nuts are widely used in the connection of components that need to withstand strong forces and vibrations, such as vehicles, aircraft, and mechanical equipment. In construction and civil engineering, lock nuts are used to protect the stability of important connection parts such as structural components, bridges, and railways. In electronic devices, locking nuts can ensure a stable connection between electronic components and modules, preventing loosening or short circuits from occurring.

2023-09-15

How to improve the wear of tungsten steel conductive blocks?

One: Requirements for working fluids The current aqueous solution used as the working fluid for CNC high-speed wire walking EDM tungsten steel conductive block wire cutting processing, with a conventional configuration of 1.10 and processing aluminum material of 3.8. To maintain the cleanliness of the working fluid and ensure its effective operation, the sponge after use can avoid flowing into the water tank, maintain the smoothness of the working fluid, and reduce adhesion. Sponge is regularly changed and washed. Secondly, the reasonable combination of pulse electrical parameters When CNC high-speed wire EDM machining of tungsten steel conductive blocks, a wider pulse width is prone to producing larger alumina or surface adhered alumina particles, and a smaller pulse interval can also produce larger particles. However, electrode wires are prone to adhering to these larger machining particles, which has a significant negative impact on machining. By increasing the no-load voltage value of the pulse current, reducing the pulse width, and increasing the pulse gap, the possibility of sticking to the electrode wire can be reduced. Thirdly, operational skills A sponge can be added to the rear slot of the wire rack, and the high-speed reciprocating electrode wire is rubbed by the sponge to reduce electrode wire shaking and ensure the normal operation of the tungsten steel conductive block power supply.

2023-05-26

What are the charging and discharging principles of tungsten steel conductive blocks?

Tungsten steel conductive blocks are passive devices that store energy in the form of electric fields. When needed, tungsten steel conductive blocks can release stored energy into the circuit. Tungsten steel conductive blocks are composed of two parallel conductive plates, filled with insulating or dielectric materials between the plates. When a tungsten steel conductive block is connected to a circuit with a direct current (DC) power supply, under specific circumstances, two processes occur: "charging" and "discharging" of the conductive block. Due to the completion of the charging process of the tungsten steel conductive block, there is no current flowing through the conductive block device. Therefore, in a DC circuit, the conductive block can be equivalent to an open circuit or R=∞, and the voltage vc on the conductive block cannot suddenly change. Tungsten steel conductive blocks are found in almost all electronic circuits and can be used as "fast batteries". In the flash of a camera, tungsten steel conductive blocks act as energy storage components, rapidly releasing energy at the moment of flashing.

2023-05-26