The construction of hot-dip galvanized bolts should pay attention to the following aspects
2023-05-08 14:39:35.302
Release time:
2023-05-08
1, product quality: should clean the surface rust, oil, nut hole wall burr, weld and so on; After contact friction surface treatment, it should meet the requirements of scratch resistance coefficient. The high-strength hot-dip galvanized bolts used should be equipped with matching bolts and washers, should be used according to the matching, and shall not be exchanged; During the installation process, the treated friction surface of the component shall be free from oil, soil and other debris; The friction surface of the component shall be kept dry during installation and shall not be operated in the rain; During installation, the friction surface of the component should be kept dry. Before installation, the deformation of the connected steel plate should be strictly checked and corrected; Do not hammer the nut during installation to avoid damaging the screw threads of the nut.
When using, please check the electric wrench regularly to ensure the accuracy of torque, and follow the correct tightening sequence.
2, installation safety technology: 1. The size of the wrench opening opened with a wrench should be the same as the nut size, and it is not appropriate to use a small wrench to add casing. Use a fixed wrench when working at altitude. If an adjustable wrench is used, it should be secured with a rope and a safety belt should be attached. When assembling the connection bolts of steel members, do not insert the connection surface or probe the threaded holes by hand. Fingers should be placed on both sides of the pad when picking up and placing the pad. In the construction of hot-dip galvanized bolts must pay attention to the above problems, so as not to cause unnecessary trouble.
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