With the ball socket of a mini car as the study instance, it is presented to substitute polyester elastomer for polyformaldehyde in production of ball sockets.
2
汽车转向拉杆及球头销是汽车上的重要部件,其强度和可靠性直接关系到汽车行驶安全。
Automotive steering link and ball end are important parts in motor vehicles, their strength and reliability shall affect directly the driving safety of motor vehicles.