The primary reasons why machinery is misaligned is lack of proper training, improper tools to do the job, and that people are not given enough time to do it right. Dial gauge alignment procedure in covered with detailed animation. Improper alignment leads to increase of stresses in the shafts and thus on the equipment, which might result in break down of the machine. We do not suggest that the methods illustrated are the only ones available. We plan your individual system and offer training programms for installation, trouble shooting and maintenance. Measure, diagnose, and correct soft foot with the assistance of the laser system and feeler gauges. It is an absolute requirement for machinery before the machinery is put in service. The operation of dial indicators, and cover the rimface method and. If, on the other hand, you update your knowledge of shaft alignment techniques and acceptable alignment tolerances, you might be on the way to becoming more reliabilityfocused. What does take to do each step in the alignment procedure.
Shaft alignment industrial wiki odesie by tech transfer. A machine properly aligned will be a reliable asset to the plant, it will be there when it is needed and will require less scheduled and unscheduled maintenance. The original function of a flexible coupling was to accommodate the small amounts of shaft misalignment remaining after the completion of a shaft alignment using a straight edge or feeler gauges. Virtually everything we consume or use has been touched or produced in some manner by rotating gear. We have already discussed basics of shaft alignment and shaft alignment terminology in our previous post.
The quality of any cmm inspection program is only as good as the thought process put into building a sound and robust part alignment. Pump alignment form fill out and sign printable pdf. The main purpose of shaft alignment is to make sure that the center line of the motor rotor shaft coincides with the center line of the driven machinery i. By filling in the appropriate information into the proper boxes, the required shim changes for correcting both the angular and offset misalignments can be determined. The alignment training is suitable for technicians undertaking machine alignment, coupling alignment, motor alignmnet, pump alignment, etc. Fast way to align machinery shafts vibralign is committed to helping businesses use their resources more efficiently and effectively. Here you can download the pdf template of the tksa 20 shaft alignment report, which can be used for documenting of your alignment activities. Shaft aligning procedure preliminary checks visually check coupling, pipe hangers, base bolts, coupling spacing etc. Proper alignment of rotating equipment has a long been recognized as a prerequisite to safe, reliable operation. Shaft alignment is our business for more than 20 years.
Adjust the machine in live mode in both horizontal and. Latham, new york prepared for lewis research center under contract nas318520. This workbook is primarily used as a training guide for people attending shaft alignment training courses and then, hopefully as a field guide for the tradesperson, technician, foreman, and engineer doing machinery alignment in the field. In isolation each strategy can help to reduce unexpected machine failure but taken together they form the hub. The bent shaft affects alignment process by showing improper reading. Reverse alignment is the measurement of the axis, or centerline, of one shaft to the relative position of the axis of an opposing shaft centerline. With a focus on the core alignment tasks, the tksa 11 is designed to be a very easytouse instrument that is especially suitable for alignment learners and compact applications. The alignment of shaft with the bearing and housing, which is a manufacturing tolerance stackup of the bearing parts and the housing bores and faces. The motor should then be moved into proper alignment and joined to the coupling. Shaft alignment is an important technique during installation and maintenance of a rotating machine. Achieving proper alignment, however, involves much more than merely adjustment the machines so that the shafts are coaxial. Coal handling plant alignment standards for shaft to shaft.
Shaft aligning techniques shaft alignment by conventional method shaft alignment by dial test indicator dti shaft alignment by using laser equipment shaft alignment by using computer. Live view supports intuitive measurements and facilitates horizontal and vertical. A pdf with all measurement data is automafically generated. Put feeler gauges, vernier callipers and straight edges to good use to achieve initial roughedin shimming and. Several equipment alignment methods, especially the reverse dial indicator method, which is the principle used in laser alignment is covered in explicit detail. Measure and correct alignment of the machine to achieve the final alignment to the required targets within tolerances. Shaft alignment is the process to align two or more shafts with each other to within a tolerated margin. Facilities instructions, standards, and techniques volume. Learn why from our canadian distributor john lambert. Next, install the coupling to the driven equipment. Shaft alignment is a method or procedure by which shafts of machines such as motors and turbines are connected to a generator or pump in proper alignment. With the knowledge, you can outline an optical alignment. Operative techniques for intramedullary nailing of the comminuted, diaphyseal femur fracture introduction shortened and rotationally unstable femoral shaft fractures can be extremely challenging even for the very experienced.
Pdf a laser shaft alignment by ipspsds for rotary machine. Always double check the position of vertical lines drawn to represent the dir, ff, and rf. Shaftalign os3 is easily extendable through the activation of powerful options as the alignment requirements grow. The skf tksa 11 is an innovative shaft alignment tool that uses smartphones and tablets and intuitively guides the user through the shaft alignment process. Standard approach new guidelines on shaft alignment and. Shaft misalignment is a major contributor to rotating machinery breakdowns. Premature bearing, seal, shaft, or coupling failures. Engineer, thin kerf technologies inc accurate sawing requires attention to proper alignment and maintenance. Can you proceed with alignment when there is shaft coupling runout. Good shaft alignment practice should be a key strategy in the.
To achieve this goal, components that are the most likely to fail must be made to operate within their acceptable design limits. Improper alignment results in excessive vibration, short life of driven equipment compound bearing and coupling clutch parts, and frequent re alignment. Pdf reports can be generated and directly saved from the system onto a usb stick. Shaft alignment handbook third edition by john piotrowski pdf, lots of the substance amenities taken for granted in the modern society are made possible by the many rotating machinery systems found in each area of the planet. Pdf basic shaft alignment workbook for industrial rotatin. For example, the only correct way to express shaft alignment tolerances is in terms of alignment conditions at the coupling, and we will describe several ways to do this. Prueftechnik are specialists in the alignment and monitoring of rotating machines, we.
The proper shaft alignment procedure is to secure the driven equipment first because moving a pump, for example, would stress the connecting piping. All books are in clear copy here, and all files are secure so dont worry about it. Our alignment software is used for preparing, analyzing, archiving measurement files and printing professional reports. Orthopaedic surgeons taking trauma call should have the necessary. A practical guide to shaft alignment plant services. The importance of motor shaft alignment department of energy. Rolling element bearings are misaligned when the faces of the inner ring and the outer ring are not parallel. Vibration wear energy usage proper alignment increases reliability. Shaft alignment is one of the major problems related to machinery with shaft coupling. The shaft alignment training course provides a highly practical knowledge of the use of dial gauge in coupling alignment. The skf tksa 11 is operated with an app for ios mobile devices that allows high quality displays to be used and offers productivity increases through the functionality of the device. However, the task of shaft allignment can be made easy by following a few guidelines.
Standard approach new guidelines on shaft alignment and machinery installation the new standards in shaft alignment and machinery installation are a musthave for anyone involved in rotating machinery. In fact, the improvements in machine design were critical to the development of thin kerf sawing systems. Fill out, securely sign, print or email your pump alignment form instantly with signnow. Cte, new videos added to cte skills library the importance of shaft alignment. Shaft alignment training course ppt presentation and.
Part alignment sample the crankshaft was set up nearly parallel to the cmm yaxis. The procedure for doing reverse dial indicator alignment is not a difficult one. Accurately aligning shafts can prevent a large number of machinery breakdowns and reduce unplanned downtime that results in a loss of production. Bearing misalignment is the second most common cause of premature bearing failure, after lack of lubrication. Basic shaft alignment workbook for industrial rotatin n1achincrv. The tksa 31 is skfs most affordable solution for easy laser shaft alignment. A laser shaft alignment by ips psds for rotary machine irjet. Alignment is critical to modem sawmills using thin kerf saws. If, on the other hand, you update your knowledge of shaftalignment techniques and acceptable alignment tolerances. Avace mafactri office the importance of motor shaft alignment the objective of optimized shaft alignment is to increase the operating life span of rotating machinery.
This measurement can be projected the full length of both shafts for proper positioning there is a need to allow for thermal movement. In contrast, the goal of alignment technique is to locate potential problems and quantify whether the problem must first be addressed in order to be able to successfully complete the alignment job. Shaft alignment handbook third edition by john piotrowski pdf. For maintenance personnel in drinking water and wastewater. Complete a handson rough alignment using straight edge techniques. For ease of use, the reverse dial formula has been incorporated into a shaft alignment data form, shown in figure 50. The book is reference material on rotating machinery basics, pump overhaul, mechanical seals, basic vibration, and shaft alignment. Ensure proper horizontal and vertical scaling techniques are consistently used. Figure 12 indicates the basic principles involved in these techniques. Read the article to know more about shaft alignment method and techniques. Ny nasa contractor report 2975 balancing techniques for highspeed flexible rotors a. Shaft alignment tolerances historically, shaft alignment tolerances have been governed by the coupling manufacturers design specifications. Alignment of vertical shaft hydro units fist 007 08022016. Laser alignment is an essential component of a viable maintenance.
Practical alignment tools and techniques bruce lehmann sr. Examples are given with photographs for different styles of couplings such as gear, elastomeric and flexpack types. Pdf laseroptical alignment of shafts in rotating machinery is simple and more accurate than conventional mechanical methods and can. The most secure digital platform to get legally binding, electronically signed documents in just a few seconds. Shaft alignment is a technical skill that is not common in the construction and maintenance. Facilities instructions, standards, and techniques volume 21. Shaft misalignment is responsible for as much as 50 percent of all costs related to rotating machinery breakdowns. Shaft alignment status pro maschinenmesstechnik gmbh bochum. Machine alignment for maintenance personnel in drinking water and wastewater facilities. In this example, one piston armmounting journal is the reference.
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