This type of coupling has pins and it works with coupling bolts. This type of coupling is mostly used to couple electric motors and machines. Youll also find safety clips to help provide secure attachment and rubber washers to assist in making tight seals. A universal coupling is a special type of coupling in which misalignment of shafts is allowed. May 25, 2017 assembly drawing of universal coupling vishwakarma engineering drawing classes. Flexible couplings have the ability to compensate for shaft misalignment and are designed to accommodate various types of load conditions. Shaft coupling universal coupling mechanical part autocad 2018 duration. They eliminate precision alignment requirements and allow for quick repair of critical machinery and assemblyconveyor lines. The single flexing coupling is for use in the case where shafts are supported by three bearings.
Jun 23, 2018 department of mechanical engineering computer aided machine drawing lab manual by ashok kumar. A sub assembly drawing is an assembly drawing of a group of related parts, that form a part in a more complicated machine. It is also known as universal coupling, ujoint, cardan joint and hookes joint. To draw various parts of universal coupling and assemble the parts by 2d draw tool commands in autocad 2010. Pdf design and failure analysis of flange coupling with. The pins are rigidly fastened by nuts to one of the flange and kept loose on the other flange.
Apex universal joints consistently deliver performance in process industries where continuous operation is. This book on machine drawing is written, following the principles of drawing, as recommended by bureau of indian standards bis, in their standards titled engineering drawing practice for schools and colleges. The coupling shown in the diagram on the right above is suitable for use in cases subject to great radial loads. Assembly and dismantling is easier for this coupling. No one type of coupling can provide the universal solution to all coupling problems. After finishing assembly, check whether the various parts have been connected properly or not by rotating the view. About 36% of these are shaft couplings, 12% are pipe fittings. The coupler is named for john oldham who invented it in ireland, in 1820, to solve a paddle placement problem in a paddle steamer design.
Keywords universal coupling, creo, ansys, assembly, strain, stress introduction in daytoday life every aspect is influenced by the work of engineer. Coupling is a device used to connect the shafts together for the purpose of transmitting power and torque. The rubber or leather bushes are used over the pins. A universal joint universal coupling, ujoint, cardan joint, spicer or hardy spicer joint, or hookes joint is a joint or coupling connecting rigid rods whose axes are inclined to each other, and is commonly used in shafts that transmit rotary motion. A wide variety of coupling assembly options are available to you, there are 573 suppliers who sells coupling assembly on, mainly located in asia.
An advantage to this type of coupling, as compared to two universal joints, is its compact size. Malleable iron couplings can be used for air or water service. Users can combine clamp and set screw hubs with inch, metric, keyed, and keyless bores in sizes ranging from 18 to 114 and 3mm to 32mm for a high level of. Cross universal coupling general assembly drawing dimensions and standard sizes size model rotary diamet er d mm nominal torque tn kn. A colour monitor with highest 32 bit colour display and with screen resolution 1024 by 768 pixels. A coupling is a device used to connect two shafts together at their ends for the purpose of transmitting power. Do not operate coupling assembly if alignment is improper, or where applicable, if elastomeric element is damaged, or worn to less than 75 of its original thickness.
A wide variety of universal coupling drawing options are available to you, such as structure, flexible or rigid, and standard or nonstandard. Depending on the type of application, the shapes of the parts of universal joint may vary. It consists of a pair of hinges located close together. The primary purpose of couplings is to join two pieces of rotating equipment while permitting some degree of misalignment or end movement or both. A universal coupling, also called a chicago coupling, can allow quick and easy direct connection to your air compressor hose with a turn of its common head. Universal coupling assembly, dimensions as given in my machine drawing book.
Design and fabrication of a universal coupling hookes. Shafts are free to move any direction in order to transmit torque or power from one shaft to another. The coupling has two halves dissimilar in construction. Coupling torque speed ofbores torsionally torsionally backlash type rangenm capacity mm soft rigid free universaljoints 10to580 lowtomedium 6to50 4 oldham 0. To connect the servomotor used in nc machine tools with the ball screw, an exceptional usage of the coupling as shown in the. Some of the universal coupling applications are also called as universal joint shaft that is used to join two rods which are inclined to each other at their axes which is used in shafts which is used to transmit rotary motion or power. A universal joint is a positive, mechanical connection used to transmit motion, power or both. We are a wellknown manufacturer, supplier and exporter of universal coupling. In this project work a universal coupling was designed, in which safe torque on shafts and pin size of cross determined. Ruland zerobacklash jaw couplings and are a threepiece assembly with a balanced design comprised of two hubs and an elastomeric insert called the spider. The offered couplings are widely used in automatic plants.
Universal joint is a positive mechanical joint used for connecting shafts, whose axes are inclined at an angle to each other. Universal couplings distribution equipment grainger. The computeraided design cad files and all associated content posted to this website are created, uploaded, managed and owned by third party users. Design and failure analysis of flange coupling with uniform strengthen bolts. Result thus the 3d assembly of the universal coupling has been created on the software catia v5 with accurate dimension and with all respects. These couplings are manufactured under the able supervision of expert professionals, who make sure to developed the products in compliance with set industry standards and norms. This is the only book on machine drawing, incorporating the latest standards published. Different types of flexible couplings, universal joints and. A universal joint also known as universal coupling, u joint, cardan joint, hardyspicer joint, or hookes joint is a joint or coupling used to connect rotating shafts that are coplanar, but not coinciding. See all design to learn to design and assemble the parts in diff ways and methods. These two halves are clamped together with the help of bolts, which are placed in recesses made in the sleeve halves. Universal coupling assembly universal joint 3d cad.