Industry knowledge
Railway fish bolts, as the name implies, have a tail design similar to a fishtail. The main purpose of this design is to enhance the tensile and shear resistance of the bolts, while improving the stability of the connection. It usually consists of a screw part and a specially designed tail. The "fishtail" part of the tail can provide better support and fixing effect during assembly.
The correct installation process is the key to ensure that the fish bolts work. Here are some practical suggestions:
1. Preliminary preparation
Ensure that all bolts and nuts are not damaged, clean the surface, and avoid impurities affecting the tightening effect. Check the size of the bolts to be installed.
2. Installation process
According to the design drawings and standard operations, first insert the bolts into the connection holes, screw in the nuts, and tighten them according to the specified value with a torque wrench to ensure uniform tightening and avoid eccentric loading.
3. Inspection and testing
After the installation is completed, the tightening torque should be checked to ensure that it meets the technical requirements. If necessary, ultrasonic or magnetic particle testing should be carried out to confirm that there are no hidden cracks or defects.
Each track bolt is strictly tested and processed with multiple processes, and no detail is missed. From thread accuracy to surface treatment, GNEE RAIL manufactures products with a meticulous attitude to ensure that both service life and installation adaptability are met.
