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Used to connect two shafts (drive shaft and driven shaft) in different organizations, so as to rotate together to transfer torque of mechanical parts. In the power transmission of high speed and heavy load, some coupling also has the function of buffering, reducing vibration and improving the dynamic performance of the system. The coupling is composed of two parts, which are respectively connected with the driving shaft and the driven shaft. Most of the general power machine by means of coupling machine connected with work.

National Standard Specification

Cross shaft universal coupling is a large amount of universal coupling, bearing is a cross shaft universal coupling parts. The main difference between several large cross shaft universal coupling is the change of the bearing block and the cross head. In order to guarantee the synchronization between the main and driven shaft, the double - form is used in the practical application. The coupling of the two - way is nothing more than the welding or flange plate. Cross shaft universal coupling cross head parts have the following form