Chain and sprocket are closely matched

When the chain is meshed with the sprocket, the roller hits the sprocket and will receive an impact load. After meshing, the contact point and the force between the roller and the sprocket teeth are changing. At this time, the roller is between the sprocket teeth and the sleeve, under pressure, and moves on the tooth surface. 　　 In addition, when the roller rotates on the guide rail, the inner surface of the roller and the outer surface of the sleeve together form a bearing part. Therefore, it must have abrasion resistance, impact resistance, fatigue resistance and high pressure ratio coefficient. Split pin, elastic lock piece, lock pin

These are the parts that prevent the outer link plate from moving out and falling off after axial movement from the pin shaft. When the chain is running, these parts may collide with other parts on the equipment and fall off. Therefore, the installation direction and bending angle of these parts are important