Alignment of pump and motor pdf merge

Method statement for installation and balancing of chilled. Precision alignment with no manual input of data and no graphical or. This module covers the selection, preparation, joining, and support of plastic and copper piping. The latter requires an experienced technician and accurate instruments e. Update your shaftalignment knowledge peerless pump. With the focus on improving alignment practices, the skf shaft alignment tool, tksa 41, is one of the industrys best value alignment solutions. In the article temperature growth influence on the shaft alignment of centrifugal pump unit is examined. The bent shaft affects alignment process by showing improper reading. 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. Close coupling is the preferred method of joining pump and motor as it allows a motor to be directly mounted onto a pump. Possible causes and solutions to misalignments in pumps. Vemc presents pump motor alignment process with help of dial gauge method for accurate and smooth functioning of machines in your manufacturing units. The advanced tools of the editor will direct you through the editable pdf template.

Skf life cycle management is how we combine our technology. Does alignment procedure for vertical pump differ from horizontal pump alignment in anyway. Laser alignment is an essential component of a viable maintenance. 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.

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. Alignment report hung seng huat engineering product co. Align machine couplings to one another ignoring spacer. Motorpump alignment is the process of aligning shaft centerlines between a motor and a pump. To achieve good, repeatable results, pre alignment steps must be done. 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. 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. It is a major cause of repeatability problems with shaft alignment measurements, whether using dial indicators or a laser alignment system. In practice, proper alignment is difficult to achieve without using alignment equipment such as dial indicators or laser alignment tools to check and correct for misalignment. He would sweep the indicator around the pump shaft, stop, loosen the motor.

Lower costs as the pump motor mount eliminates the need for expensive bed plates, pump foot brackets, riser blocks, shims, and associated labor. 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. Some, but not all explosion proof motors are available with a. May 07, 2007 proper shaft alignment is especially critical when the motor is operated at high speeds. Uneven wear of a mechanical seal, or machining of a shaft sleeve for packedtype pumps.

Despite its sophisticated technology, this shaft alignment tool has been designed for ease of use, and includes user friendly features such as. Its purpose is to convert energy of prime mover an electric motor or turbine first into velocity or kinetic energy and then into pressure energy of a fluid that is being pumped. Specify that bolting which connects pump to pipe must fit without force. So to position the motor for proper shaft alignment, these two methods must be utilized. One pump extracting, diverting, a small flow from flow one. Machine alignment for maintenance personnel in drinking water and wastewater facilities. This will show you how much you need to move the motor for horizontal alignment. Complete assembly installs anywhere the motor feet can be bolted. The alignment of the pump flanges to the connecting piping is called flange alignment. Although we will focus largely on the motor blower installations, the issues discussed apply to most types of rotating machinery. Vertical condensate pump alignment the rigid or solid coupling makes taking meaningful alignment measurements virtually impossible. Benefits, methods of proper pump to motor alignment.

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. Pumps need to be sized based on pressure, flowrate and head. In isolation each strategy can help to reduce unexpected machine failure. Alignment is important, but we can get away with the least accurate method. Shaft misalignment is responsible for as much as 50 percent of all costs related to rotating machinery breakdowns. Shaft alignment report laser alignment, ultrasonic. Alignment simple steps to accurate alignment its a long.

The fixturlaser nxa pro is an expert system for precision alignment of pumps and drives. The shaft alignment training course provides a highly practical knowledge of the use of dial gauge in coupling alignment. At first we used a lovejoy that was far too small, and was a straight jaw. Machine type pump motor vertical angle horizontal angle horizontal offset thermal compensation stationary s machine movable m machine vertical offset offset 2. Aligning vertical pumps empowering pumps and equipment. Backlit colour lcd screen for easy viewing, even in direct sunlight. How to do the alignment for vertical pumps with motor pump. We have a vertical turbine pump having capacity of 20000cum per hour and pressure head 16. Achieving proper alignment, however, involves much more than merely adjustment the machines so that the shafts are coaxial. 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 millwrights guide to motor pump alignment, second edition is the result of over 38 years of hard work and many thousands of hours writing, testing, retesting, and testing again the alignment related formulas the author developed on his own. I want to know how alignment of pump shaft is done with motor shaft. The book is reference material on rotating machinery basics, pump overhaul, mechanical seals, basic vibration, and shaft alignment. Mechanical fastening, joining, and assembly, james a.

Mike, what we have is a three stage methane compressor, each throw is oriented 90degrees from the other, so it looks like a t. The adapter solves the problem of there is no time to do an alignment. It is much better then units that cost double what this tool does. Additionally recommend strobe to combine ma chine rpm and belt speed to check for belt slip. Pump alignment form fill online, printable, fillable, blank pdffiller. The main difference in aligning a vertical cface pump and traditional alignment is this. We have been in business over 40 years with over 50 years of combined work experience at the executive levels. 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. Shaft alignment training course ppt presentation and. 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.

Machinery alignment tolerance tables impact engineering. Produce pdf reports directly from the display unit and. Machine vibration, bearing damage, premature seal wear, and coupling damage are all examples of issues pumps experience if improperly aligned at installation. In isolation each strategy can help to reduce unexpected machine failure but taken together they form the hub. Where rigid couplings are used then the motor alignment is critical and poor. It is sure to be valuable to novices and professionals alike. If the front foot of the motor is left 2 mils high and the back feet are left 2 mils low, the shaft alignment results will be as follows. Minimize the soft foot under the motor before performing alignment. 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. And you are correcting two angles, one for each coupling. The shafts of the pump and drive unit must be closely aligned. Principles for diverting and merging viscous flows diva. Alignment of pumps one of the most important parts of pump setup is making sure that the pump and the drive motor are carefully aligned.

The data validity rule 1 shown in following equation. Improper alignment leads to increase of stresses in the shafts and thus on the equipment, which might result in break down of the machine. I want to know how alignment of pump shaft is done how to do the alignment for vertical pumps with motor pump engineering engtips. Alignment accuracy is critical to pump and driver longevity as stated above, and generally the better the alignment the longer the pump and driver bearing life. X motor condition check the condition of the motor through temperature or vibration. Proper alignment of rotating equipment has a long been recognized as a prerequisite to safe, reliable operation. The motor is the prime mover, transferring power to the pump by. All the major coupling manufacturers provide minimum alignment values and offset values for their particular. A guide to properly align and install vertical turbine pumps. For maintenance personnel in drinking water and wastewater. Couplings and shafts can be quickly and easily aligned by using a laser shaft alignment lsa system. Up to about thirtyhorse power 22 kw you hang the motor on the pump.

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. Its purpose is to convert energy of prime mover an electric motor or. However, small movements of these components can occur during shipping and while the pump set is being installed at its final location. 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. Flexible couplings an overview sciencedirect topics. The objective of optimized shaft alignment is to increase the operating life span of rotating machinery. Pdf basic shaft alignment workbook for industrial rotatin. Mount permits maximum flexibility of power unit design. Before starting the pump the reservoir should be filled to the minimum level so as to completely sub merge the pump impeller housing in the liquid which assures priming of the pump. This is probably the most common configuration of coupled machines in industry. But usually a pump and electromotor have different coefficients of thermal growth and it is very important. If a manufacturer of a machine or coupling require tighter alignment tolerances, those should be used.

This measurement will be made by using dial indicators that measure in 0. Measure at intervals around the periphery of the couplings. How to complete the pump alignment form on the internet. Alignment tolerances for pumps range from the rough alignment that a conscientious technician can accomplish with visual indicators accuracy of about 0. Close coupling also provides a compact unit that is often less expensive than an equivalent long coupled assembly. Laser alignment system shaft alignment tool tksa 41 skf. Where to make shimming adjustments align the motor to the pump by shimming the motor feet soft foot problems. If the growth of the motor is the same for both ends, the result will be a change in the offset alignment of 4. We cant align our vertical pumps since there is no adjustment due the. Find best questions related to pump alignment, pump piping and get pump alignment, pump piping qa. Sep 19, 2016 motor pump alignment is the process of aligning shaft centerlines between a motor and a pump.

Use alignment tools from grainger to help insert, remove and reposition fine springs and other small parts. If your motor does not have a c or d end bell, one can be installed when the motor is rewound. Angular misalignment an overview sciencedirect topics. Cavitation increase pump submergence, lower pumped liquid temperature, check sump for compliance with hi recommedations, redesign sump if necessary 5. Alignment employ laser or reverse dial indicator technology to align pump and motor. Improper impeller trim remove pump and replace impeller 3. Second edition, revised and expanded, john piotrowski 99. Close coupling is the preferred method of joining pump and motor as it allows a motor to.

Check angular alignment with a micrometer, vernier or caliper. Motor and pump alignment align the pump motor coupling to allow for efficient torque transfer to the pump. In addition to alignment quality and repeatability problems, it can cause of machinery vibration, reduce life in electric motors, and cause internal clearance problems. A centrifugal pump is one the simplest pieces of equipment in any process plant. A millwrights guide to motor pump alignment by tommy b. Dial gauge alignment procedure in covered with detailed animation. Soft foot is a common issue when aligning rotating equipment. X check mountings check and secure all pump mountings. Hence, this technique offers precise alignment and secure hold. The alignment training is suitable for technicians undertaking machine alignment, coupling alignment, motor alignmnet, pump alignment, etc.

Coupling installation alignment for monoblock pumps. For appropriate applications, the time, expertise and instruments needed to achieve precision alignment tolerances of less than 0. A millwrights guide to motor pump alignment tom harlon on. 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. A typical pump in an hvac application requires a fourpole motor 1,750 to 1,800 rpm, depending on slip. X check bearings inspect bearings and drive belts for wear.

A layout drawing should be approved and pumps should be installed in locations indicated making sure that there is sufficient access space for periodic maintenance, removal of motors impellers. One of the most important parts of pump setup is making sure that the pump and the drive motor are carefully aligned. Therefore, less accurate methods can be used at slower shaft speed. Align before and after the pump and piping are bolted together. How to do the alignment for vertical pumps with motor. Several equipment alignment methods, especially the reverse dial indicator method, which is the principle used in laser alignment is covered in explicit detail. In some cases, the motor and pump are set up in a direct drive configuration. These indicator readings mean that you need to move the motor. 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. The motor is the prime mover, transferring power to the pump by the use of a coupling. A practical guide to shaft alignment plant services. Vertical turbine pump vtp and driver alignment is critical for extending the serviceable life of the driver, pump bearings and mechanical seal assembly while also providing vibration free service of your installation.

Above thirtyhorse power 22 kw you hang the pump on the motor. That pdr was completed in late 2009 and incorporates the alternate pipeline alignment in the ridle trail in addition to the original pipeline alignment along renshaw oulevard, as was recommended in the 2002 master plan. You may have heard this in the pastwe cant align our vertical pumps since there is no adjustment due the machined fit between the electric motor and pump housing. Excessive bearing loading, leading to bearing failure in both the pump and motor. This is recommended to minimize the risk of overloading and damaging pump motor at full or. Causes of pump shaft and coupling misalignment and ways to prevent misalignment. If the pump is turning the wrong direction, reverse any two of the line wires at the motor in the conduit box or at the motor starter. Before starting the pump installation process mechanical or ac engineer to study the pump manufacturers written installation and alignment instructions. Since the motor uses a cface flange, the motor is bolting axially into the flange. The alignment of the pump shaft to the drive shaft of the motor, gear, or engine driving the pump is called shaft alignment. Pump alignment form fill out and sign printable pdf.

The alignment of turbinegenerator sets poses unique challenges that only. 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. Unless otherwise instructed at a specific point in the user instructions, see section 5, commissioning, start up, operation and shutdown. A 100 hp electric motor on a 50hp load will work and run smooth and cool and only use 50 hp of energy.

A quick check revealed misalignment of the pump and motor, causing excessive noise and premature bearing wear. Alignment is not required for pumps with the monoblock configuration. The amount of alignment correction at the motor can seem to be very large. Proper alignment is the largest factor in determining the life of bearings, seals and couplings.

How many times have you had to pull the ps pump off the motorplate or slide your motor back out and try to realign the pump drive. Proper alignment of the pump shaft with the driver can reduce vibration and significantly improve reliability. By combining the knowledge and experience of the two businesses, our. To achieve this goal, components that are the most likely to fail must be made to operate within their acceptable design limits. Basic shaft alignment workbook preface w elcome to the introductory book on shaft. Enter your official contact and identification details. Typical alignment tolerances are summarized in table 1. Improper alignment results in excessive vibration, short life of driven equipment compound bearing and coupling clutch parts, and frequent re alignment. Under the indicator position mark the point that is 12 the indicator reading. Rated 5 out of 5 by swe1 from best alignment tool out there i have used several shaft alignment tools over the years and the fluke 830 is the easiest and most user friendly that i have come across. Shaft alignment fluke 830 laser shaft alignment tool fluke.