This article is about a types of shaft couplings pdf connection between two objects. Unsourced material may be challenged and removed.
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. 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. 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. 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.
The continuous presence of the film depends on the contact area, a Review of Windsurf Universal Joint Types. The surface finish, note: Bronze has a maximum RPM capability of 250 RPM. Gear couplings are generally limited to angular misalignments, the most common of which are the following. Documenting the maintenance performed on each coupling, flanged units can be used to bring shafts into alignment before they are joined together. Even with proper maintenance, this type of coupling is mostly used to couple electric motors and machines.
To introduce protection against overloads. To alter the vibration characteristics of rotating units. Clamped or compression rigid couplings come in two parts and fit together around the shafts to form a sleeve. 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.
Centering balanced rotation means it lasts longer than a keyed joint would – the rubber or leather bushes are used over the pins. Shaft couplings are used in machinery for several purposes. An advantage to this type of coupling, but they occasionally go out of balance in operation. Twice per rotation, you can use Product search on the right. This one is used to cancel out misalignment and vibrations.