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Coupling and riveting
- 2. Index coupling types uses rivets Riveted joints SHAFT COUPLING USES OF SHAFT COUPLING TYPES OF SHAFT COUPLING RIVETS RIVETED JOINTS
- 3. Index ` coupling types uses rivets Riveted joints Shaft coupling I the linkage between rotating shafts. Which joints driving shaft to the driven shaft together. What is coupling Driven shaftDriving shaft
- 4. Index coupling TyreZ types uses Types of coupling 2 1 3 4 6 5 7 9 8 Oldham's coupling Hooke's coupling Double hookes coupling Flexible coupling Gear coupling Fluid coupling Spring coupling Tyre coupling Rigid coupling •Muff coupling •Clamp coupling •Flange coupling
- 5. Index coupling coupling coupling hookes coupling upling upling oupling oupling coupling upling upling oupling pling types uses rivets Riveted joints Types of coupling 1 Oldham's coupling : A coupling for parallel shafts slightly out of line consisting of a disk on the end of each shaft and an intermediate disk having two mutually perpendicular feathers on opposite sides that engage slots in the respective shaft disks. flanges tongue
- 6. Index coupling coupling coupling hookes coupling upling upling oupling oupling coupling upling upling oupling pling types uses rivets Riveted joints Types of coupling 2 Hooke's coupling : This is also known as hook’s joint,. It is used to joint connect two non-parallel and intersecting shafts which has some angular misalignment. The input and output shafts are connected using hook’s joint.. Driven shaft Driving shaft
- 7. Index coupling coupling coupling hookes coupling upling upling oupling oupling coupling upling upling oupling pling types uses rivets Riveted joints Types of coupling 2 Hooke's coupling : The input driving shaft rotates at a uniform angular speed while the driven shaft rotates with varying angular speed i.e. both shafts have different angular speed
- 8. Index coupling coupling coupling hookes coupling upling upling oupling oupling coupling upling upling oupling pling types uses rivets Riveted joints Types of coupling 3 Double Hooke's coupling : As name implies a double hook joint has two hook’s joint or universal joint which are connected by means of an intermediate shaft. first second
- 9. Index coupling coupling coupling hookes coupling upling upling oupling oupling coupling upling upling oupling pling types uses rivets Riveted joints Types of coupling 4 Flexible coupling : As name suggest it has flexible connection between the input and the output shaft because it is very difficult to make a proper aligned connection between the two mating shafts bushes
- 10. Index coupling coupling coupling hookes coupling upling upling oupling oupling coupling upling upling oupling pling types uses rivets Riveted joints Types of coupling 5 Rigid coupling : Rigid coupling is used where the axes of both the shafts are collinear. Rigid couplings are simple and less costly, but the major drawback of this type of coupling is that they cannot tolerate any kind of small misalignment between the axis of the shafts Different types of coupling come under this category some are them are as follow: Muff coupling Clamp coupling Flange coupling
- 11. Index coupling coupling coupling hookes coupling upling upling oupling oupling coupling upling upling oupling pling types uses rivets Riveted joints Types of coupling a.) Muff coupling: This coupling also known as sleeve coupling because it has sleeve or a kind of hollow cylinder keys sleeve b.) Clamp coupling: Clamp coupling is the modified form of the muff coupling and also known as split muff coupling. Both the shafts tightened together into the clamps, 4 or 8 nuts are used to tight the shaft into the split muffs.
- 12. Index coupling coupling coupling hookes coupling upling upling oupling oupling coupling upling upling oupling pling types uses rivets Riveted joints Types of coupling c.) Flange coupling: As name implies flange coupling has flanges for the joining of both the shafts. It is another type of rigid coupling so all the conditions are also applicable here like proper alignment of both the shafts and connection should not have any kind of vibrations and jerks
- 13. Index coupling coupling coupling hookes coupling upling upling oupling oupling coupling upling upling oupling pling types uses rivets Riveted joints Types of coupling 6 Fluid coupling : Fluid coupling also known as hydraulic coupling is a hydrodynamic device which is used to transfer rotational power from one shaft to another by the use of transmission fluid.
- 14. Index coupling coupling coupling hookes coupling upling upling oupling oupling coupling upling upling oupling pling types uses rivets Riveted joints Types of coupling 7 Gear coupling : A gear coupling is a mechanical device for transmitting torque between two shafts that are not collinear. It consists of a flexible joint fixed to each shaft. The two joints are connected by a third shaft, called the spindle. ... The gear teeth in a gear coupling have high backlash to allow for angular misalignment.
- 15. Index coupling coupling coupling hookes coupling upling upling oupling oupling coupling upling upling oupling pling types uses rivets Riveted joints Types of coupling 8 Spring coupling : This type of couplings uses 3 different size springs fitted inside each other to allow for high misalignment. The spring coupling can have many different hubs or flanges fitted to the ends and are available in a verity of different lengths
- 16. Index coupling coupling coupling hookes coupling upling upling oupling oupling coupling upling upling oupling pling types uses rivets Riveted joints Types of coupling 9 Tyre coupling : Tyre Couplings are highly elastic, lubrication free couplings that tolerate large amounts of misalignment in all planes as well as offering simple installation and inspection As tyre couplings are flexible, they can compensate for significant angle errors and have a vibration and impact-damping effect. They are also suitable for dirty environments, for example for those contaminated by oil or grease.
- 17. Index coupling types uses rivets Riveted joints uses of coupling Shaft couplings are used in machinery for several purposes; 1. Power transmission 2. Join misaligned shafts 3. Reduce shocks and vibrations 4. Easy to assemble and disassemble 5. To connect driving and the driven part
- 18. Index coupling types uses rivets Riveted joints uses of coupling 1 Oldham's coupling : Oldham Coupling can be seen in, the robotics and servo printers and copying machines.
- 19. Index coupling types uses rivets Riveted joints uses of coupling Oldham’s coupling in conveyor. 2 Hooke's coupling : universal joints include •aircraft •appliances •control mechanisms • electronics • Instrumentation •medical and optical devices •Ordnance • radio • sewing machines •textile machinery •tool drives.
- 21. Index coupling types uses rivets Riveted joints uses of coupling 3 Fluid coupling : It is used in automotive transmission system, marine propulsion system and in industries for power transmission. It is used as an alternative for the mechanical clutch. engine Fluid coupling Gearbox propeller Shaft generator
- 22. Index coupling types uses rivets Riveted joints uses of coupling 4 Gear coupling : Popular for both high-speed, high-horsepower and high- torque, low-speed applications,
- 23. Index coupling types uses rivets Riveted joints uses of coupling 5 tyre coupling : Tyre coupling in pump installation
- 24. Index coupling types uses rivets Riveted joints What is Rivet A rivet is a permanent mechanical fastener used to join two plates together. Because they’re permanent in nature, their joints are similar to those of adhesive or welded joints. They’re very strong.
- 27. Index coupling types uses rivets Riveted joints Parts of Rivet The head has a greater diameter than the hole the rivet is inserted into, to act as a fastener on one side of the material being riveted. Rivet head Rivet Pin The pin slots through the corresponding holes in the two pieces of materials that are being riveted together. 1 2
- 28. Index coupling types uses rivets Riveted joints Parts of Rivet Rivet end The rivet end eventually becomes another rivet head when it is expanded using force. The rivet end will be hit with a hammer or shaped into a head using a rivet snap. Parts of Rivet 3
- 29. Index coupling types uses rivets Riveted joints Types of Rivet head The rivets are classified according to the shape of the heads and the purpose for which they are employed. Generally the following types of rivet heads are used: Button head This type of rivet has a hemispherical head, widely used in machine riveting as well as in boiler and structural works. 1
- 30. Index coupling types uses rivets Riveted joints Types of Rivet head high button head This head is chiefly used when restricted space permits only hand hammering. Cone head This kind of head provides maximum strength and used in engineering work. 2 3
- 31. Index coupling types uses rivets Riveted joints Types of Rivet head Counter-sunk head This type of head remains within the plate and does not project above the surface. This is mainly used in ship building. 4
- 32. Index coupling types uses rivets Riveted joints Types of riveted joints Following are the two types of riveted joints, depending upon the way by which the plates are connected; Lap joint A lap joint is that in which one plate overlaps the other and the two plates are then riveted together. The major two types of lap joints are explained as under; Single riveted Lap joint When the joint is made with only one row of rivets, it is known as single riveted lap joint. 1
- 33. Index coupling types uses rivets Riveted joints Types of riveted joints Single riveted lap joints
- 34. Index coupling types uses rivets Riveted joints Types of riveted joints Double riveted Lap joint When the lap joint is made two parallel rows of rivets than it is called double riveted lap joint as shown in the figure below: 2
- 35. Index coupling types uses rivets Riveted joints Types of riveted joints Chain Riveting: Riveting in which the rivets in rows along the seam are set one behind the other. shown in the figure below: 3
- 36. Index coupling types uses rivets Riveted joints Types of riveted joints Zig Zag Riveting: Rivets set in a zigzag pattern, so spaced that the rivets in one row are opposite the centres of the spaces of the adjoining rows. 4
- 38. Index coupling types uses rivets Riveted joints Types of riveted joints Single riveted single cover butt joint: In this type more than one rivet are fixed along a single row typically in a lap joint, while in a butt joint the rows may appear from both the upper and the lower surfaces. 5 Double riveted single cover butt joint: 6 When joints is made with two rows of rivets are passes in each side of the plate then it is called double riveted butt joint
- 40. Index coupling types uses rivets Riveted joints Uses of riveted joints 2 1 3 4 6 5 7 8 Pressure vessels boilers Tanks Hulls of ships Machinery in generals Building Airplanes cranes
- 41. Index coupling types uses rivets Riveted joints Uses of riveted joints 1.aerospace industries are use hundreds of thousands of rivets to assemble structural parts of an aircraft
- 42. Index coupling types uses rivets Riveted joints Uses of riveted joints 2.The rivets is used in ships, building and bridges
- 43. Index coupling types uses rivets Riveted joints Uses of riveted joints 3.Window blinds, hanger straps, wind guards, and even doors and windows are often installed by riveting