Common bolt and nut faults and solutions are as follows: Loose: Bolts and nuts may be loose due to vibration or external force during use. The solution is to use a wrench or torque wrench to retighten the nut, and use a locking agent or elastic washer to increase the fastening force of the bolt connection. Breakage: Bolts and nuts may break when subjected to overload or stress concentration. The solution is to replace damaged bolts and nuts, and select bolt materials and specifications with appropriate strength at the time of design. Corrosion: Bolts and nuts exposed to a humid, corrosive environment for a long time may corrode. The solution is to wash and apply preservatives regularly, or use non-corrosive materials such as stainless steel bolts and nuts. Damage: Bolts and nuts may be damaged due to improper installation or use of tools. The solution is to replace the damaged bolts and nuts, and use the appropriate tools and correct operation methods when installing. Lost: Bolts and nuts may be lost due to unintentional or loose movement. The solution is to supplement the missing bolts and nuts, and strengthen the inspection and maintenance of the connector to ensure its stability and safety.
