Geislinger Coupling Manual
An improvised flexible coupling made of car tire pieces connects the drive shafts of an engine and a water pump. This one is used to cancel out misalignment and vibrations. A coupling is a device used to connect two shafts together at their ends for the purpose of transmitting power. Couplings do not normally allow disconnection of shafts during operation, however there are couplings which can slip or disconnect when some torque limit is exceeded. The primary purpose of couplings is to join two pieces of rotating equipment while permitting some degree of misalignment or end movement or both. By careful selection, installation and maintenance of couplings, substantial savings can be made in reduced maintenance costs and downtime. In a more general context, a coupling can also be a mechanical device that serves to connect the ends of adjacent parts or objects.
Contents • • • • • • • • • • • • • • • • • • • • • • • • • • • Uses [ ] Shaft couplings are used in machinery for several purposes. The most common of which are the following. • To transfer power from one end to another end.(ex: motor transfer power to pump through coupling) Primary function. • To provide for the connection of shafts of units that are manufactured separately such as a motor and generator and to provide for disconnection for repairs or alterations.
• To provide for misalignment of the shafts or to introduce mechanical flexibility. • To reduce the transmission of shock loads from one shaft to another. • To introduce protection against overloads. • To alter the vibration characteristics of rotating units. • To connect driving and the driven part • slips when overload occurs Types [ ] Clamped or compression rigid couplings come in two parts and fit together around the shafts to form a sleeve.
A coupling is a device used to connect two shafts together at their ends for the purpose of transmitting power. Couplings do not normally allow disconnection of shafts during operation.
They offer more flexibility than sleeved models, and can be used on shafts that are fixed in place. They generally are large enough so that screws can pass all the way through the coupling and into the second half to ensure a secure hold. Flanged rigid couplings are designed for heavy loads or industrial equipment. They consist of short sleeves surrounded by a perpendicular flange.
One coupling is placed on each shaft so the two flanges line up face to face. A series of screws or bolts can then be installed in the flanges to hold them together. Because of their size and durability, flanged units can be used to bring shafts into alignment before they are joined together. Buku sbk kelas 3bsd. Rigid couplings are used when precise shaft alignment is required; shaft misalignment will affect the coupling's performance as well as its life. Examples: Sleeve or Muff coupling [ ] A consists of a whose is finished to the required tolerance based on the shaft size. Based on the usage of the coupling a is made in the bore in order to transmit the by means of the key.
Two threaded holes are provided in order to lock the coupling in position. Sleeve couplings are also known as Box Couplings. In this case shaft ends are coupled together and abutted against each other which are enveloped by muff or sleeve. A gib head sunk keys hold the two shafts and sleeve together. In other words, this is the simplest type of the coupling.