PowerShow.com is brought to you byCrystalGraphics, the award-winning developer and market-leading publisher of rich-media enhancement products for presentations. WebBearing Damage Analysis.ppt - Free download as Powerpoint Presentation (.ppt), PDF File (.pdf), Text File (.txt) or view presentation slides online. The most important thing to remember is to never remove bearings from their packaging until ready for use. CLASSES OF FIT 5. Instead of straight sides, the rollers have spherical sides that fit onto the spherical raceways and accommodate small misalignments. Roller bearings contain cylindrical rolling elements instead of balls as load-carrying elements between the races. BEARINGS A few slides showing what bearings are and introducing the rules. And, again, its all free. TIPS FOR BEARING MAINTENANCE HIBOND - BEARING MANUFACTURER. Your bearing selection and application will determine the right lubricant. Roller bearings are the most common alternative to ball bearings. Uploaded on Aug 04, 2014. The fluid is circulated by means of a pump. Passive magnetic bearings use permanent magnets to maintain a magnetic field around the shaft. The main function of a rotating shaft is to, It needs a good supports to ensure stability and. Weve updated our privacy policy so that we are compliant with changing global privacy regulations and to provide you with insight into the limited ways in which we use your data. Rolling element bearings can be subdivided into two major types: ball bearings and roller bearings. Thus, they find use in a variety of applications, Provide low friction, thus little energy loss. Hot dismounting. Scribd is the world's largest social reading and publishing site. Roller bearings are also available in various types. Heavy loads. To reduce noise from the moving components of the machine. abt has a very diverse and heterogeneous set, Aviation Maintenance Management - . Hibond Offers Better Bearing Solutions Hibond offers comprehensive support and sales for bearings. Thrust ball bearings exhibit low noise, smooth operation and are capable of high-speed applications. Hibond can help you solve your bearing problems. Bearing failure and its Causes and Countermeasures, Bearing Description about basic, types, failure causes, University of engineering and technology taxila, Design and solved problems for rolling contant bearing, KAMARAJ COLLEGE OF ENGINEERING AND TECHNOLOGY, Classification of Bearing - Machine Design, RWM Casters: Caster Wheel Selection Guide, summer training report on NBC for B.TECH students, Things to Know About an Angular Contact Ball Bearing. by amar p. narkhede. Potholes,speed bumps, and curbstones are some of the common ways bearings get damaged. In this ball bearing type, the inner and outer races are displaced with respect to each other along the bearing axis. Fluid bearings are classified into two types: hydrostatic and hydrodynamic bearings. This website uses cookies to improve your experience while you navigate through the website. In this case, it is advisable that you should follow your manufacturers recommendations. To protect the bearing surfaces from corrosion. CLASSES OF FIT 1. TOTAL PRODUCTIVE MAINTENANCE The general tendency for maintaining a machine is to adopt a strategy of If it aint broke dont fix it. Objectives of Lubrication To reduce frictional resistance. The shaft has a running fit in a bearing. Due to large contact area friction between mating parts is high requiring greater lubrication. This avoids otherwise costly unscheduled machine downtime if a bearing fails. Bearing Maintenance Open navigation menu When the machine is running, there is zero contact between the two elements (except during the start and stop) and hence it is possible to achieve near zero wear with fluid bearings. They'll give your presentations a professional, memorable appearance - the kind of sophisticated look that today's audiences expect. the main function of a rotating shaft is to transmit power from one end of the line to, BEARING - . Home Maintenance Tips For Summer - There are many home safety tips you need to know to keep your family safe and healthy. If so, just upload it to PowerShow.com. maintenance safety chapter 19. maintenance safety. It can carry medium or heavy redial or combined load. Free -Clearance -In rotating journals with speeds of 600 rpm or greater, such as in engines and some automotive parts. DIRECTION OF LOAD Axial load :- The load which comes axis on the shaft called Axial load. In sealed variants, the bearing contamination is prevented and the lubricant is retained making it a maintenance-free option. summary. what is total productive, maintenance management performance metrics, Maintenance ManagementNeed for maintenance functions, Maintenance Management Performance Metrics, Effective Maintenance ManagementSome elements, Troubleshooting MechanismAn illustration using Microwave. k.sadiqzade@stp.az As for the procedure for dismounting and inspection, refer to Section 5, Inspection of Bearings. Get powerful tools for managing your contents. Are there any lessons to be learnt from the recent success of Japanese approaches to maintenance management? With separable bearings, the ring with the rolling element and cage assembly can be removed independently of the other ring. fmea/fmeca. LOADS MAGNITUDE OF LOAD :- The magnitude of the load is one of the factors that usually determines the size of the bearing to be used. Yes. Even though the motion is linear, it is powered by rollers that are driven by motors. The SlideShare family just got bigger. The tapered roller bearing contains sections of a cone as a load-carrying element. Even when we need linear motion in applications, it is easy to convert rotational motion to sliding motion. A bearing's alignment problem can indicate problems elsewhere on the machine. objectives types causes necessity for management functions. Review our, Know what to prioritize when choosing a valve, Program 1056 180 Screw-on hinge without hinge pin, Fluid viscosity effects on valve performance, Curve Top Safety Disconnect Switch with Inform Technology. | PowerPoint PPT presentation | free to view WebBearings are used in everyday items ranging from the more obvious applications such as washing machines, cars, the watches on our wrists but also super structures such as building supported on bearings to allow relative movements during earthquakes 4. Here are seven tips for bearing maintenance to help ensure a longer lifespan. The small size can also prove helpful in applications where space is limited as they require smaller clearances between the axle and the housing. The bearings are classified under two main, In which the rotating shaft has a sliding contact, Due to less contact area rolling friction is much, Journal bearing in this the bearing pressure is, Foot step or pivot bearing in this bearing the, Thrust bearing in this bearing supporting. other. There should always be mounted in pairs with opposed taper because in each bearing the radial load produced an axial component which needs counter balance. PowerShow.com is a leading presentation sharing website. By whitelisting SlideShare on your ad-blocker, you are supporting our community of content creators. The split design of this bearing and housing has advantage while the bearing needs to be repaired because it is easier to remove both the bearing and the housing from the shaft so that they can be examined. mr. petrucci. WebBearings. You also have the option to opt-out of these cookies. Active magnetic bearings use electromagnets around the shaft to maintain its position. They are available as single-row, double-row and four-row types. The spherical bearing is also a plain bearing, although it consists of 2 parts the inner ring and the outer ring. Oil supply systems include: oil baths, circulating oil systems, spray or mist systems, and the wick feed method. d: . If so, just upload it to PowerShow.com. In this the bush of soft material like brass or, The bearing material used may be white metal, Solid bushes are entirely made of bearing. In a world without bearings, mechanically moving parts will malfunction and stick, preventing smooth operation. Maintenance & Production Planning Scheduling of maintenance activities interacts closely with APP exercise in an organisation Maintenance & Operations Scheduling One of the key assumptions in scheduling is the extent of availability of resources for operations . Find Out Why Bearings Failed A misalignment in the bearing or shaft can lead to vibrations and friction. Handle with care. if you are not careful. asset register planned maintenance reactive maintenance track man hours. The inner race is free to rotate while the outer race is stationary. FUNCTION OF BEARING A bearing permits relative motion between two machine members while minimizing Frictional resistance. This load may be axial, radial, or a combination of both of them. WebBearings also have the capacity to transmit the load of the rotating element to the housing. The most frequent types of bearing failure, along with their causes and corrective actions, are listed in Table 3. Thus, it may be offset to one side but will still function just as satisfactorily. A few slides showing what bearings are and introducing the rules. Click here to start this process. The maximum heating allowed on the bearings depends on the heat treatment of the material. A PRESENTATION Vibration from other parts to the bearing. . . If you find my fault, Please inform me. WebBearings are machine elements which are used to. a: . In each of these applications, ball bearings are used to support motor shafts as well as shafts of other rollers in the assembly. To reduce noise from the moving components of the machine. Get powerful tools for managing your contents. And, again, its all free. By accepting, you agree to the updated privacy policy. High speeds. Although it looks similar to ball and roller bearings from the outset, they have no rolling elements between the two rings. Magnetic bearings can also accommodate some irregularities in shaft design as the shafts position is automatically adjusted based on its centre of mass. WebBearings. However, they often fail prematurely due to avoidable mistakes. Rotating equipment vibration analysis is able to identify signs of misalignment and prevent major problems. Hibond provides comprehensive support for customers, from industrial bearing supply and installations to ongoing maintenance. HOT DISMOUNTING Special induction heaters have been developed to dismount the inner ring of cylindrical roller bearing having no flanges or only one flange. You should consider contributing to our CFE Media editorial team and getting the recognition you and your company deserve. JOURNAL BEARING A journal bearing is a simple bearing in which a shaft, or "journal", rotates in the bearing with a layer of oil or grease separating the two parts through fluid dynamic effects. WebBearings also have the capacity to transmit the load of the rotating element to the housing. Boasting an impressive range of designs, they will support your presentations with inspiring background photos or videos that support your themes, set the right mood, enhance your credibility and inspire your audiences. Heavy force or shrink- Interference Where considerable bonding between surfaces is required, such as locomotive wheels and heavy crankshaft disks of large engines. There is also no limitation on the maximum amount of relative speed it can handle. CONTENTS - Introduction - Classification - Terminology - Function of Bearing - Selection of Bearing -Types and Application - Bearing Specification - Classes of Fit - Mounting of Bearing - Dismounting of Bearing. Maintenance function determines how well the assumptions about resource availability are made and how reliable the assumptions are Maintenance & Quality Control A good maintenance management could contribute significantly to quality assurance and vice versa, Maintenance Management Performance Metrics Equipment breakdowns Breakdowns can be measured in terms of the frequency and the severity Mean Time Between Failure (MTBF) MTBF is the expected time of the arrival of a failure Mean Time to Repair (MTTR) MTTR is the expected time for restoring the equipment back to the working condition Availability Availability is defined, as the fraction of the time the equipment is available for productive use, Effective Maintenance ManagementSome elements Equipment Catalogue- provides spare parts needed, frequency of maintenance, basic trouble shooting and method of maintenance By absence of the catalog, equipment can be improperly used. a stationary member known as frame or housing. As a result, it will increase your operating costs. Bearing Motions. TYPES OF BEARING -Ball Bearing .Single row deep groove ball bearing .Double row deep groove ball bearing -Angular contact ball bearing .Single row angular contact bearing .Double row angular contact bearing -Roller Bearing .Cylindrical roller bearing .Tapered roller bearing .Spherical roller bearing .Needle roller bearing -Thrust Bearing .Single row thrust bearing (ball & roller) .Double row thrust bearing (ball & roller) -Journal Bearing .Solid journal bearing .Split journal bearing .Ring oiled journal bearing - Plane Bearing. There are no rolling elements. 1. Do you have PowerPoint slides to share? Bearing provides relative rotational freedom and transmits a load between two structures. Now customize the name of a clipboard to store your clips. The ball bearings small point of contact also means less friction. Also, make sure to wear gloves when handling bearings. It will also cause the premature failure of the bearings, which can affect the machine performance and productivity. WebBearings are used in everyday items ranging from the more obvious applications such as washing machines, cars, the watches on our wrists but also super structures such as building supported on bearings to allow relative movements during earthquakes 4. We've updated our privacy policy. You might even have a presentation youd like to share with others. Rolling elements carry the load without much friction as the sliding friction is replaced with rolling friction. The system is, however, difficult to design due to limitations as this technology is still in its early stages. binomial theorem (basic). Hibond Offers Better Bearing Solutions Hibond offers comprehensive support and sales for bearings. To carry away heat from the bearing. To carry away heat from the bearing. Activate your 30 day free trialto unlock unlimited reading. Items that should be regularly checked during operation include bearing noise, vibration, temperature, and lubrication. Bearing Maintenance Open navigation menu a stationary member known as frame or housing. Ball bearings provide very low friction during rolling but have limited load-carrying capacity. Then you can share it with your target audience as well as PowerShow.coms millions of monthly visitors. The main function of a rotating shaft is to. This load may be radial, axial, or a combination of both. This permits the fitting of more rollers to carry the load. Get powerful tools for managing your contents. Whenever a bearing is used for mounting, it is crucial that the housing and shaft are inspected for any sort of physical condition or damage. WebBearing Damage Analysis.ppt - Free download as Powerpoint Presentation (.ppt), PDF File (.pdf), Text File (.txt) or view presentation slides online. And, best of all, it is completely free and easy to use. AKASH PANCHAL They are used in applications where heavy loads, moderate to high speeds and possible misalignment occur. A core part of any maintenance program for bearings should be checking alignment. Always heat the bearings using induction heaters, and never with an open flame. At what frequency should preventive maintenance be done and what is the cost implication of the decision? In addition to this, bearing also restricts the freedom of movement of the rotating parts to predefined directions. SELECTION OF BEARING TYPE Each bearing type displays characteristic properties, based on its design which makes it more, or less appropriate for a given application The most important factors to be considered when selecting a standard bearing type and thus a facilitate an appropriate choice : Available space Loads Misalignment Precision Speed Quiet running Stiffness Axial displacement Mounting and dismounting Integral seals. WebThis periodic maintenance encompasses the supervision of operating conditions, the supply or replacement of lubricants, and regular periodic inspection. The support for the shaft is known as bearing. These bearings can face the challenges of heavy radial loading and high speed. It is crucial that you should not expose bearings to the presence of water for a long time, as it will lead to rust and corrosion. This leads to disruption in production, defective parts, delayed deliveries and added costs. Due to the shift in the inner and outer races, the axial load can be transferred through the bearing to the housing. 6. To protect the bearing surfaces from corrosion. Scribd is the world's largest social reading and publishing site. Do not sell or share my personal information, 1. Activate your 30 day free trialto unlock unlimited reading. - Introduction - Classification - Terminology - Function of Bearing - Selection of Bearing -Types and Application - Bearing Specification - Classes of Fit - Mounting of Bearing - Dismounting of Bearing. Enjoy access to millions of ebooks, audiobooks, magazines, and more from Scribd. Normally, the length of rollers in roller bearings is only slightly more than its diameter. So lets determine what kind of working conditions are best suited for this type of bearing. This will also improve safety. Back. Should we do preventive maintenance of the available resources as opposed to reacting to breakdowns occurring in the system? Poor quality wheel bearing Every wheel bearing is performing under constant pressure, which is why it has to be made of quality and with the best materials. - Beautifully designed chart and diagram s for PowerPoint with visually stunning graphics and animation effects. BEARING. Thus, they are less prone to failure and can withstand high forces. The possible movement is restricted to sliding motion by bearings. Bearing life can be affected based on the type of bearing, the load they are asked to carry and the maintenance schedule. Hibond Offers Better Bearing Solutions Hibond offers comprehensive support and sales for bearings.