CouplingBrief IntroductionUsed to join different organizations in the two axis (the driving shaft and the driven shaft) mechanical parts to rotate together to transfer torque. Overloaded power transmission at high speed, some couplings and buffering, vibration and improve the dynamic performance of the shaft. 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.Work environmentCoupling is used  in various host products supporting , the surrounding environment is more complex, such as temperature, humidity, water, steam, dust, sand, oil, acid, alkali, corrosive media, saline, and radiation conditions, is one of the important factors that must be considered in the choice of the coupling. For the high temperature, low temperature, oil, acid and alkali medium, the quality of work, should not use the general rubber flexible coupling of elastic element material, should choose the metal elastic element flexible coupling, such as a diaphragm coupling, serpentine spring coupling.