Build a dam around the base plate perimeter that is to be watertight. Possible causes and solutions to misalignments in pumps. The amount of alignment correction at the motor can seem to be very large. With the focus on improving alignment practices, the skf shaft alignment tool, tksa 41, is one of the industrys best value alignment solutions. The adapter solves the problem of there is no time to do an alignment. How to do the alignment for vertical pumps with motor. Misalignment may account for over 50% of malfunctions in rotating machinery, leading to problems such as worn or broken couplers, vibration, and excessive wear of bearings, seals and wear rings. Machinery alignment tolerance tables impact engineering.
Dec 17, 2011 even if you have a laser alignment system, it is a good idea to have a couple of dial indicators, a good feeler gauge and a micrometer in your alignment kit. It is a major cause of repeatability problems with shaft alignment measurements, whether using dial indicators or a laser alignment system. Clean, dress up and file any burrs from mounting faces and anchor bolt holes. The data validity rule 1 shown in following equation.
Alignment simple steps to accurate alignment its a long. If your motor does not have a c or d end bell, one can be. Does alignment procedure for vertical pump differ from horizontal pump alignment in anyway. This will provide the true alignment between the pump and motor. How to do the alignment for vertical pumps with motor pump. 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. Alignment is important, but we can get away with the least accurate method.
Pumpmotor adapters 1 d039912403a wanner engineering, inc. Its purpose is to convert energy of prime mover an electric motor or. Alignment report hung seng huat engineering product co. Soft foot is a common issue when aligning rotating equipment. A 100 hp electric motor on a 50hp load will work and run smooth and cool and only use 50 hp of energy. It is highly recommended to check and, if necessary, correct pumpmotor alignment as part of the commissioning process, before the pump is placed in service. Build a dam around the base plate perimeter that is.
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. Close coupling also provides a compact unit that is often less expensive than an equivalent long coupled assembly. Safety information these warnings apply to pb series basic pumps. For example, the only correct way to express shaftalignment tolerances is in terms of alignment conditions at the coupling, and we will describe several ways to do this.
In most cases, a quick glance at the table will tell whether coupling misalignment is allowable or not. Coupling installation alignment for monoblock pumps. Jul 26, 2014 alignment procedure taking alignment readings step no. A practical guide to shaft alignment plant services.
And you are correcting two angles, one for each coupling. Grout if this base plate is to be grouted, ensure that you have the mounting surface flat and level for correct alignment of pump and motor. W0365a d03 nema g03 iec adapter kits for dg03 part number description a040011202 d03 pumpmotor adapter kit for nema 56c, 143145tc cface motors. I want to know how alignment of pump shaft is done with motor shaft.
You can flip the machine orientation in 4 of the 5 alignment steps in couple6 and the machines will be flipped in all the other steps. The motor was quickly and successfully aligned, attaining a final alignment result that fell within the excellent tolerance standard for the speed of rotation involved, as shown. To be classified as an exatex product thorough tests must be completed. Shaft alignment fluke 830 laser shaft alignment tool fluke. Metric tolerances are given for machines with a 50hz supply running at multiplesfractions of 3000 rpm. When this coupling is left connected and tightened, misalignment cannot be measured conventionally by rotating both coupled shafts, because no relative movement between the shafts is allowed to occur, as would. The ergonomic display unit with intuitive touch screen navigation makes your alignments fast and easy, whilst innovative features, like the free measurement, increase the alignment performance. Pdf effects of motor misalignment on rotating machinery.
Precision maintenance prealignment check list following this checkoff list will ensure an alignment that will be kept when the machine is in operation and will last for an extended mean time between repairs. Close coupling is the preferred method of joining pump and motor as it allows a motor to be directly mounted onto a pump. Shaft alignment training course ppt presentation and. Fluid process equipment is a leader in the fluid process service and repair industry. The alignment training is suitable for technicians undertaking machine alignment, coupling alignment, motor alignmnet, pump alignment, etc. Vertical condensate pump alignment the rigid or solid coupling makes taking meaningful alignment measurements virtually impossible. Hence, this technique offers precise alignment and secure hold. Precision maintenance pre alignment check list following this checkoff list will ensure an alignment that will be kept when the machine is in operation and will last for an extended mean time between repairs.
To achieve this goal, components that are the most likely to fail must be made to operate within their acceptable design limits. Pumps need to be sized based on pressure, flowrate and head. A former engineer stated that the authors first edition contained more alignment information than the sum total of all other works in the library of congress. We have a vertical turbine pump having capacity of 20000cum per hour and pressure head 16. Laser alignment system shaft alignment tool tksa 41 skf. 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. Motorpump alignment is the process of aligning shaft centerlines between a motor and a pump. 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. Therefore, less accurate methods can be used at slower shaft speed. Includes compass measurement mode to enable flexible, reliable, and repeatable measurements using an activated electronic inclinometer. Update your shaftalignment knowledge peerless pump.
The objective of optimized shaft alignment is to increase the operating life span of rotating machinery. Easylaser is used to align pumps and mo tors for all types of. In isolation each strategy can help to reduce unexpected machine failure but taken together they form the hub. Easylaser measurement and alignment systems comes with a wide range of application programs apps. Parts returned to the factory without an rma number on file will be scrapped upon arrival. Xt550 intrinsically safe laser shaft alignment, exatex. 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. To achieve good, repeatable results, pre alignment steps must be done. Machine alignment for maintenance personnel in drinking water and wastewater facilities. Measure at intervals around the periphery of the couplings. This list contains all the items that should be checked.
If, on the other hand, you update your knowledge of shaftalignment techniques and acceptable alignment tolerances, you might be on the way to becoming more reliabilityfocused. Check angular alignment with a micrometer, vernier or caliper. This list contains all the items that should be checked in a worst case scenario. Alignment is not required for pumps with the monoblock configuration. The fluke 830 laser shaft alignment tool is the ideal test tool to. Empowering pumps is the information and connection hub for the global pump industry. Machine type pump motor vertical angle horizontal angle horizontal offset thermal compensation stationary s machine movable m machine vertical offset offset 2. Our technicians have over 55 years of combined experience and are able to provide expert support for municipal, industrial, and commercial applications. Pump alignment report format free download as word doc.
It is highly recommended to check and, if necessary, correct pump motor alignment as part of the commissioning process, before the pump is placed in service. You make calculations to see how far the driver must be moved to align the centerline of the pump to the. This is probably the most common configuration of coupled machines in industry. In isolation each strategy can help to reduce unexpected machine failure. Although we will focus largely on the motor blower installations, the issues discussed apply to most types of rotating machinery. Pdf basic shaft alignment workbook for industrial rotatin. Shaft alignment training course ppt presentation and machine. Simple steps to accurate alignment its a long way to the top if you want to align cooling tower fans with spacer shafts. The bent shaft affects alignment process by showing improper reading. The book is reference material on rotating machinery basics, pump overhaul, mechanical seals, basic vibration, and shaft alignment. If the pump or motor is damaged or leaking, electric shock, fire, explosion, liberation of.
The objective of optimized shaft alignment is to increase the operating life span. Here you can download the pdf template of the tksa 20 shaft alignment report, which can be used for documenting of your alignment activities. Imperial tolerances are given for machines with a 60 hz supply running at multiplesfractions of 3600 rpm. If your motor does not have a c or d end bell, one can be installed when the motor is rewound. Visually check coupling, pipehangers, base bolts, coupling spacing etc.
Couple6 allows the user to flip the motor graphics to match the pumpmotor orientation without having to turn the display upside down. If a manufacturer of a machine or coupling require tighter alignment tolerances, those should be used. Our technicians have over 55 years of combined experience and are able to provide expert support for municipal. This second edition is the result of over 38 years of hard work and many thousands of hours of writing. Improper alignment leads to increase of stresses in the shafts and thus on the equipment, which might result in break down of the machine.
But usually a pump and electromotor have different coefficients of thermal growth and it is very important. Bring a wire brush for cleaning shims and baseplates. Installation, operation, and maintenance manual goulds pumps. The motor is the prime mover, transferring power to the pump by the use of a coupling.
The procedure for doing reverse dial indicator alignment is not a difficult one. There are several steps which need to be taken for a successful alignment job. In addition to alignment quality and repeatability problems, it can cause of machinery vibration, reduce life in electric motors, and cause internal clearance problems. One of the most important parts of pump setup is making sure that the pump and the drive motor are carefully aligned. Pdf it is common knowledge that the alignment condition of rotating machinery affects the.
Up to about thirtyhorse power 22 kw you hang the motor on the pump. Laser alignment is an essential component of a viable maintenance. Proper alignment is the largest factor in determining the life of bearings, seals and couplings. Our vision is to build a digital community through websites, enewsletters, and social media channels that allows pump industry professionals to exchange ideas, news stories, product information, case studies, videos, event information and more. However, small movements of these components can occur during shipping and while the pump set is being installed at its final location. A fine flat file is good for removing burrs on baseplates and machine feet. Produce pdf reports directly from the display unit and save to usb memory. What you can measure is always a combination of apps, lasers, detectors and brackets. Intrinsically safe products are used in potentially explosive environments. In the article temperature growth influence on the shaft alignment of centrifugal pump unit is examined. Machinery alignment tolerance tables the suggested alignment tolerances shown here are general values based upon experience and general industry standards and should not be exceeded.
This document was uploaded by user and they confirmed. All motors are fitted with rigid, steel mounting cradles with resilient motor mounts to facilitate easy alignment of motor and pump shaft and ensure quiet, vibrationfree operation. Above thirtyhorse power 22 kw you hang the pump on the motor. Rating is available when the video has been rented. Lastly, a final set of readings was taken to confirm the results of the move and document the as left alignment condition. 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. A typical pump in an hvac application requires a fourpole motor 1,750 to 1,800 rpm, depending on slip. Even if you have a laser alignment system, it is a good idea to have a couple of dial indicators, a good feeler gauge and a micrometer in your alignment kit. A millwrights guide to motor pump alignment tom harlon on. Find best questions related to pump alignment, pump piping and get pump alignment, pump piping qa.
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