Shaft couplings by Sheharyar khan (Uet Lahore)
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This lesson is from the subject Machine design, and it is very important on the subject point of view that how shafts and couplings are important while designing a machine.
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Shaft couplings
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The document discusses different types of couplings used to connect shafts for power transmission. It describes rigid couplings like flanged, split, keyed, and friction couplings which are used for aligned shafts. It also describes flexible couplings like universal joints, constant velocity joints, and flexible couplings that allow for non-aligned shafts and compensate for changes in angular misalignment between the shafts.
Shaft coupling
It will help to the students of Mechanical Engineering. These notes are according to Machine Design and CAD-ii Subject.
Coupling by jawad ali
Shaft couplings are used to join shafts together end to end when transporting longer shafts. There are two main types of shaft couplings: rigid couplings which connect perfectly aligned shafts, and flexible couplings which connect shafts with misalignments. Rigid couplings include sleeve/muff couplings, clamp/split-muff couplings, and flange couplings. Flexible couplings include bushed pin couplings, universal couplings, and Oldham couplings. All couplings aim to transmit full power between shafts without losses while maintaining alignment and reducing shock.
Shaft couplings
This document discusses different types of shaft couplings used to connect rotating shafts. It describes rigid couplings like sleeve, clamp and flange couplings that are used when shafts are perfectly aligned. Flexible couplings like bushed pin, universal and Oldham couplings are used to connect shafts that allow for misalignment. The key requirements of couplings are to maximize power transmission while withstanding misalignment between connected shafts.
Coupling
Coupling is used to transmit power from one shaft to another and make permanent or semi-permanent connections between shafts. There are two main types of couplings: rigid couplings which do not allow relative rotation between shafts and must be perfectly aligned, and flexible couplings which allow for some misalignment and protect from vibrations. Examples of flexible couplings include bush pin flange couplings using rubber or leather bushes over pins to absorb shocks, and universal couplings used to join intersecting shafts where the angle may vary.
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video LInk: https://youtu.be/mxHvPEmipuk
coupling
This document discusses different types of shaft couplings, including rigid couplings like sleeve, clamp, and flange couplings as well as flexible couplings like bushed pin, universal, and Oldham couplings. It describes the purpose of couplings in connecting shafts and allowing for misalignment while transmitting motion. Requirements for good shaft couplings include easy connection/disconnection, full power transmission without losses, holding shafts in alignment, and reducing shock loads. The document concludes with information on coupling maintenance through inspection and lubrication and potential failure modes from improper installation or operation beyond design capabilities.
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Shaft couplings
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Couplings
The document discusses different types of couplings used to connect shafts for power transmission. It describes rigid couplings like flanged, split, keyed, and friction couplings which are used for aligned shafts. It also describes flexible couplings like universal joints, constant velocity joints, and flexible couplings that allow for non-aligned shafts and compensate for changes in angular misalignment between the shafts.
Shaft coupling
It will help to the students of Mechanical Engineering. These notes are according to Machine Design and CAD-ii Subject.
Coupling by jawad ali
Shaft couplings are used to join shafts together end to end when transporting longer shafts. There are two main types of shaft couplings: rigid couplings which connect perfectly aligned shafts, and flexible couplings which connect shafts with misalignments. Rigid couplings include sleeve/muff couplings, clamp/split-muff couplings, and flange couplings. Flexible couplings include bushed pin couplings, universal couplings, and Oldham couplings. All couplings aim to transmit full power between shafts without losses while maintaining alignment and reducing shock.
Shaft couplings
This document discusses different types of shaft couplings used to connect rotating shafts. It describes rigid couplings like sleeve, clamp and flange couplings that are used when shafts are perfectly aligned. Flexible couplings like bushed pin, universal and Oldham couplings are used to connect shafts that allow for misalignment. The key requirements of couplings are to maximize power transmission while withstanding misalignment between connected shafts.
Coupling
Coupling is used to transmit power from one shaft to another and make permanent or semi-permanent connections between shafts. There are two main types of couplings: rigid couplings which do not allow relative rotation between shafts and must be perfectly aligned, and flexible couplings which allow for some misalignment and protect from vibrations. Examples of flexible couplings include bush pin flange couplings using rubber or leather bushes over pins to absorb shocks, and universal couplings used to join intersecting shafts where the angle may vary.
Bushed pin type flexible coupling
JNTUK
DMM1
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video LInk: https://youtu.be/mxHvPEmipuk
coupling
This document discusses different types of shaft couplings, including rigid couplings like sleeve, clamp, and flange couplings as well as flexible couplings like bushed pin, universal, and Oldham couplings. It describes the purpose of couplings in connecting shafts and allowing for misalignment while transmitting motion. Requirements for good shaft couplings include easy connection/disconnection, full power transmission without losses, holding shafts in alignment, and reducing shock loads. The document concludes with information on coupling maintenance through inspection and lubrication and potential failure modes from improper installation or operation beyond design capabilities.
Coupling
A coupling is a device used to connect two shafts together to transmit power while allowing for some misalignment. There are two main types of couplings: rigid couplings, which do not allow for disconnection or misalignment, and flexible couplings, which can accommodate misalignment between shafts. Flexible couplings function by transmitting power between shafts while allowing for various types of misalignment, including angular, offset, and axial misalignment. Examples of flexible couplings include flanged pin bush couplings, elastomeric couplings, gear tooth couplings, and Oldham couplings.
Sleeve couplings
Couplings are used to connect two shafts for torque transmission. There are two main types of couplings: rigid couplings and flexible couplings. A rigid sleeve coupling consists of a cylindrical cast iron sleeve keyed to the shafts to connect them. It transmits power from one shaft to the other through a key and sleeve.
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This is a ppt made for understanding that what is coupling and what are the differents types of coupling.
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The document discusses different types of couplings used to connect two shafts in a transmission system. It describes a sleeve or muff coupling as the simplest type of rigid coupling made of cast iron that fits over the ends of two shafts. A split muff coupling is also discussed, which has a muff or sleeve made of two halves joined by bolts, allowing for assembly and disassembly without changing the shaft positions. It is used for heavy power transmission at moderate speeds. The document provides classifications and purposes of various couplings used in mechanical systems.
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This document discusses shaft couplings, which are used to connect two shafts together. There are two main types of shaft couplings: rigid couplings, which connect perfectly aligned shafts, and flexible couplings, which connect shafts with some misalignment. Rigid couplings include sleeve/muff couplings, clamp/split-muff couplings, and flange couplings. Flexible couplings include bushing pin couplings, universal couplings, and Oldham couplings. The document then focuses on sleeve/muff couplings, explaining that they consist of a hollow cylinder that fits over the ends of two shafts connected by a key. Design considerations for sleeve couplings like proportions and stress checks are also covered.
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This document discusses different types of stresses, strengths, and couplings used to connect shafts. It defines shear stress, axial force, torsion, tensile strength, compressive strength, shear strength, and torsional strength. It also describes flexible couplings, universal couplings, Oldham couplings, and pin bush couplings; and discusses how they can accommodate misalignment between shafts and transmit torque.
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This document discusses different types of couplings used to connect shafts together for transmitting power or motion. It describes rigid couplings like sleeve and flanged couplings that do not allow misalignment. It also covers flexible couplings that can accommodate some misalignment like constant velocity joints, universal joints, Oldham couplings, and beam couplings. Finally, it mentions hydrodynamic or fluid couplings that use fluid to transmit motion and double cardan joints that eliminate the need to correctly phase universal joints.
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Rigid and flexible couplings are used to connect shafts for power transmission. Rigid couplings require precise shaft alignment while flexible couplings can accommodate some misalignment. Common rigid couplings include sleeve, clamp, and flange types. Flexible couplings include beam, flange, Oldham, and universal joint types. Couplings are selected based on the application and maintained through regular inspection and lubrication to prevent failures from misalignment, improper installation, or exceeding design limits. Proper shaft alignment during coupling setup is important for maximum power transmission and machine lifespan.
Couplings : Types & Applications
Couplings are used to connect two shafts together for power transmission. The main types are rigid couplings for aligned shafts, like flanged, split, keyed, and friction couplings, and flexible couplings for misaligned shafts, like universal joints, constant velocity joints, and fluid couplings. Flexible couplings allow for minor axial, angular, and parallel misalignment between shafts. Common flexible couplings include jaw & spider couplings, tyre couplings, and bellows couplings. Couplings allow power transmission between shafts, accommodate shaft misalignment, reduce shocks, and make assembly/disassembly easier.
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It was my college project.. and i have made it very well.. N the names i have displayed on first slide was my group members.
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Rigid couplings are used to join two precisely aligned shafts for power transmission. They maintain a fixed relationship between the shafts with no relative motion. Rigid couplings are simple and economical, with low moment of inertia. They are precision-machined from bar stock for strength and tight tolerances. Rigid couplings only work with precisely aligned shafts and can fail if operated beyond their design capabilities or with shaft misalignment.
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Presentation on coupling prepared by Engr. Usman Ghani.
The presentation is made to foucs on very basics of coupling, even people from non engineering fields can also get an introductory idea from this presentation.
If you like this ppt and if you want me to make presentations on other important topics. please let me know.
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This document discusses Oldham couplings, which are used to transmit power between two parallel but non-collinear shafts. It describes how Oldham couplings work using three discs with interlocking tongues and grooves to allow for some misalignment of the shafts while preventing relative rotation. Advantages include low inertia, stiffness, ease of installation in tight spaces. Disadvantages include smaller angular misalignment range and lower torque capacity compared to other coupling types. Oldham couplings see common use in robotics, printers, and other applications requiring electrical insulation between shafts.
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A coupling connects two rotating shafts to transmit power while allowing for some misalignment. There are many types of couplings including sleeve, flange, gear, and flexible couplings. A bearing supports rotating machinery and reduces friction by facilitating only the desired motion. Common types of bearings include ball, roller, thrust ball, and roller thrust bearings.
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Coupling is one kind of mechanical device which is used to connect two shafts together at their
ends for the purpose of transmitting power.
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 rigid coupling is a unit of hardware used to join two shafts within a motor or mechanical system.
It may be used to connect two separate systems, such as a motor and a generator, or to repair a
connection within a single system. A rigid coupling may also be added between shafts to reduce
shock and wear at the point where the shafts meet.
Flanged coupling is a type of rigid coupling in which two co-linear shafts are connected by the
flanges. The coupling enables torque transmission between the shafts & prevents relative rotation
between them.
In the project work a flanged coupling was made by local material available & the analysis of
various stresses & safety factor was also performed.
The outcome of analysis is there’s no danger of failure by pure shear, even if a fatigue strength
reduction factor is included, but this same section may have severe & undefinable bending stresses
on it if the flanges are imperfectly aligned, and they surely will be. The bolts bending was neglected
since they were too small compared to the result outcome.
Finally, the computed factor of safety of the flanges suggest that it would withstand repeated
bending if the misalignment is small.
Flange Shaft Coupling
The document discusses the design of a rigid flange coupling to transmit 250 N-m of torque between two coaxial shafts. It first sizes the shaft diameter as 25 mm. It then designs each component:
1) The hub is designed as a hollow shaft with outer diameter of 50 mm and length of 37.5 mm. Shear stress in the hub is calculated to be 10.86 MPa.
2) The key is sized at 10 mm wide, 8 mm thick, and 37.5 mm long. Shear and crushing stresses are calculated to be 53.3 MPa and 133.3 MPa respectively.
3) The flange is 12.5 mm thick with a shear
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Couplings are used to connect two shafts together to transmit power. There are two main types: rigid couplings, which are used for aligned shafts requiring accurate torque transmission, and flexible couplings, which permit some misalignment between shafts. Rigid couplings include setscrew, flanged, and clamp couplings. Flexible couplings include universal joints, cardan joints, Oldham couplings, gear and spline couplings, and helical couplings. Universal joints are commonly used in car drive shafts and steering columns to allow shafts to be at an angle relative to each other.
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A coupling is a device used to connect two shafts together to transmit power while allowing for some misalignment. There are two main types of couplings: rigid couplings, which do not allow for disconnection or misalignment, and flexible couplings, which can accommodate misalignment between shafts. Flexible couplings function by transmitting power between shafts while allowing for various types of misalignment, including angular, offset, and axial misalignment. Examples of flexible couplings include flanged pin bush couplings, elastomeric couplings, gear tooth couplings, and Oldham couplings.
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This is a ppt made for understanding that what is coupling and what are the differents types of coupling.
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The document discusses different types of couplings used to connect two shafts in a transmission system. It describes a sleeve or muff coupling as the simplest type of rigid coupling made of cast iron that fits over the ends of two shafts. A split muff coupling is also discussed, which has a muff or sleeve made of two halves joined by bolts, allowing for assembly and disassembly without changing the shaft positions. It is used for heavy power transmission at moderate speeds. The document provides classifications and purposes of various couplings used in mechanical systems.
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This document discusses shaft couplings, which are used to connect two shafts together. There are two main types of shaft couplings: rigid couplings, which connect perfectly aligned shafts, and flexible couplings, which connect shafts with some misalignment. Rigid couplings include sleeve/muff couplings, clamp/split-muff couplings, and flange couplings. Flexible couplings include bushing pin couplings, universal couplings, and Oldham couplings. The document then focuses on sleeve/muff couplings, explaining that they consist of a hollow cylinder that fits over the ends of two shafts connected by a key. Design considerations for sleeve couplings like proportions and stress checks are also covered.
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This document discusses different types of stresses, strengths, and couplings used to connect shafts. It defines shear stress, axial force, torsion, tensile strength, compressive strength, shear strength, and torsional strength. It also describes flexible couplings, universal couplings, Oldham couplings, and pin bush couplings; and discusses how they can accommodate misalignment between shafts and transmit torque.
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This document discusses different types of couplings used to connect shafts together for transmitting power or motion. It describes rigid couplings like sleeve and flanged couplings that do not allow misalignment. It also covers flexible couplings that can accommodate some misalignment like constant velocity joints, universal joints, Oldham couplings, and beam couplings. Finally, it mentions hydrodynamic or fluid couplings that use fluid to transmit motion and double cardan joints that eliminate the need to correctly phase universal joints.
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Rigid and flexible couplings are used to connect shafts for power transmission. Rigid couplings require precise shaft alignment while flexible couplings can accommodate some misalignment. Common rigid couplings include sleeve, clamp, and flange types. Flexible couplings include beam, flange, Oldham, and universal joint types. Couplings are selected based on the application and maintained through regular inspection and lubrication to prevent failures from misalignment, improper installation, or exceeding design limits. Proper shaft alignment during coupling setup is important for maximum power transmission and machine lifespan.
Couplings : Types & Applications
Couplings are used to connect two shafts together for power transmission. The main types are rigid couplings for aligned shafts, like flanged, split, keyed, and friction couplings, and flexible couplings for misaligned shafts, like universal joints, constant velocity joints, and fluid couplings. Flexible couplings allow for minor axial, angular, and parallel misalignment between shafts. Common flexible couplings include jaw & spider couplings, tyre couplings, and bellows couplings. Couplings allow power transmission between shafts, accommodate shaft misalignment, reduce shocks, and make assembly/disassembly easier.
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It was my college project.. and i have made it very well.. N the names i have displayed on first slide was my group members.
Rigid coupling and it's design
Rigid couplings are used to join two precisely aligned shafts for power transmission. They maintain a fixed relationship between the shafts with no relative motion. Rigid couplings are simple and economical, with low moment of inertia. They are precision-machined from bar stock for strength and tight tolerances. Rigid couplings only work with precisely aligned shafts and can fail if operated beyond their design capabilities or with shaft misalignment.
Coupling (Simplest PPT)
Presentation on coupling prepared by Engr. Usman Ghani.
The presentation is made to foucs on very basics of coupling, even people from non engineering fields can also get an introductory idea from this presentation.
If you like this ppt and if you want me to make presentations on other important topics. please let me know.
Eme(flecible coupling and flang coupling)
This document discusses different types of couplings used to connect shafts, including flange couplings, flexible couplings, and universal couplings. Flange couplings connect shafts using bolted flanges for rigid connections. Flexible couplings, like bushing pin couplings, allow for misalignment using rubber or leather bushes. Oldham couplings connect parallel shafts with small offsets using a central floating disc with perpendicular tongues. Universal couplings connect intersecting shafts using a central block with perpendicular arms.
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This document discusses Oldham couplings, which are used to transmit power between two parallel but non-collinear shafts. It describes how Oldham couplings work using three discs with interlocking tongues and grooves to allow for some misalignment of the shafts while preventing relative rotation. Advantages include low inertia, stiffness, ease of installation in tight spaces. Disadvantages include smaller angular misalignment range and lower torque capacity compared to other coupling types. Oldham couplings see common use in robotics, printers, and other applications requiring electrical insulation between shafts.
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This document discusses the design and classification of couplings used to connect shafts. Couplings are classified as rigid, flexible, loose/disengaging, or non-aligned. Rigid couplings connect perfectly aligned shafts, while flexible couplings allow for misalignment. Couplings are used to connect separate units like motors and generators, allow for shaft misalignment or flexibility, reduce shock transmission, and provide overload protection. Good couplings should connect/disconnect easily, transmit full power without losses, hold shafts aligned, and reduce shock transmission between shafts. Common types include sleeve, clamp, and flange rigid couplings as well as bushed pin, universal, and Oldham flexible couplings.
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A coupling connects two rotating shafts to transmit power while allowing for some misalignment. There are many types of couplings including sleeve, flange, gear, and flexible couplings. A bearing supports rotating machinery and reduces friction by facilitating only the desired motion. Common types of bearings include ball, roller, thrust ball, and roller thrust bearings.
Modern coupling
Introduction
Type of Modern couplings
1.Diaphragm Coupling
2.K-Coupling
3.SK coupling
4.H-Coupling
pump,fans,powerplant,equipment
Report on Flange Cupling
Coupling is one kind of mechanical device which is used to connect two shafts together at their
ends for the purpose of transmitting power.
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 rigid coupling is a unit of hardware used to join two shafts within a motor or mechanical system.
It may be used to connect two separate systems, such as a motor and a generator, or to repair a
connection within a single system. A rigid coupling may also be added between shafts to reduce
shock and wear at the point where the shafts meet.
Flanged coupling is a type of rigid coupling in which two co-linear shafts are connected by the
flanges. The coupling enables torque transmission between the shafts & prevents relative rotation
between them.
In the project work a flanged coupling was made by local material available & the analysis of
various stresses & safety factor was also performed.
The outcome of analysis is there’s no danger of failure by pure shear, even if a fatigue strength
reduction factor is included, but this same section may have severe & undefinable bending stresses
on it if the flanges are imperfectly aligned, and they surely will be. The bolts bending was neglected
since they were too small compared to the result outcome.
Finally, the computed factor of safety of the flanges suggest that it would withstand repeated
bending if the misalignment is small.
Flange Shaft Coupling
The document discusses the design of a rigid flange coupling to transmit 250 N-m of torque between two coaxial shafts. It first sizes the shaft diameter as 25 mm. It then designs each component:
1) The hub is designed as a hollow shaft with outer diameter of 50 mm and length of 37.5 mm. Shear stress in the hub is calculated to be 10.86 MPa.
2) The key is sized at 10 mm wide, 8 mm thick, and 37.5 mm long. Shear and crushing stresses are calculated to be 53.3 MPa and 133.3 MPa respectively.
3) The flange is 12.5 mm thick with a shear
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Shaft couplings by Sheharyar khan (Uet Lahore)
- 2. Coupling • A coupling is a device used to connect two shafts together at their ends for the purpose of transmitting power.
- 3. Types of Couplings Couplings Rigid Compliant or Flexible
- 4. Rigid Couplings • Rigid couplings lock the two shafts together allowing no relative motion between them. • Rigid coupling is used for aligned shafts, or when accuracy of torque transmission is of prime importance. • Mostly used for low rotational speed shafts. • Following are some types of rigid couplings; 1. Setscrew Couplings 2. Keyed Couplings 3. Clamp Couplings
- 5. Setscrew Couplings • Set screw couplings use a hard set screw that digs into the shaft to transmit both torque and axial loads.
- 6. Keyed Couplings • Can transmit substantial power. • Along with a key, a set screw may also be used, being located 90⁰ from the key.
- 7. Clamp Couplings • It uses one or two piece split couplings that clamp around both shafts and transmit power through friction.
- 8. Flexible/Compliant Couplings • Flexible couplings permit some axial, radial or angular misalignment • Following are some types of rigid couplings; 1. Jaw Couplings 2. Flexible disk couplings 3. Gear and Splines couplings 4. Helical and bellows couplings 5. Linkage couplings 6. Universal joints
- 11. Gear and Spline Couplings • Can absorb small angular and parallel misalignment • High torque capacity
- 12. Helical and bellows Couplings
- 14. Universal Joints
- 15. Rzeppas 6-ball CV Joint