China manufacturer ductile cast iron shaft coupling for industry

There are various categories of shaft couplings. All the different types have specific applications. The first category is the rigid coupling. When there are requirements for the precise shaft alignment, the rigid coupling will be used. There are also many kinds of this coupling such as the flange coupling and the muff coupling. The second type is the torque limiting coupling which can protect systems against conditions of over torque.

The third type is the flexible coupling. One important function of a flexible coupling is connection of a driving shaft or flange element with an adjacent in-line driven member. Besides, It must flex enough while rotating to accommodate, within limits, undesirable effects caused by axial misalignment, shaft end movement, and vibration between connected members. This kind of couplings can also be further divided into many other types. For instance, three are universal couplings, bellows couplings, disc couplings, jaw coupling, and gear couplings, etc. Taking the bellows coupling as a specific example, this coupling consists of a one-piece flexing element with end hubs which provides both low windup and low side thrust. It has a wide range of usage which is from light industrial power transmission applications to instrumentation. When in the light industries, it can be applied to connect step motors and servomotors to encoders and tachometers.