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. To correct for angular and parallel misalignment in the. Bear in mind if youre talking a footmounted hot water pump youll have to perform a hotalignment as well as the preliminary cold alignment, as depending on the pump size it can grow quite a bit for a proper alignment, this means more than a few thou of an inch. The machine should be fault free with the exception of deliberate misalignment. Bear in mind if youre talking a footmounted hot water pump youll have to perform a hot alignment as well as the preliminary cold alignment, as depending on the pump size it can grow quite a bit for a proper alignment, this means more than a few thou of an inch. How to install and align a pump and motor coupling on an. Laser pump shaft alignment systems are now used as standard in todays industry for the precision alignment of pumps and drives because of their speed, ease of use and accuracy. For example the fixturlaser nxa pro system is a shaft alignment tool specifically designed for conducting alignment swiftly and precisely out in the field. Machines need to be aligned in both the horizontal and vertical plane. Verticallyoriented pumps are used primarily in municipal water, hvac, and power plant operations, although it is not uncommon to see small vertical pumps in many industrial applications.
It is not intended as a comprehensive guide to alignment of process machinery, nor is it a substitute for seeking professional advice or reference to the manufacturers of the machinery. A laser shaft alignment by ips psds for rotary machine sitaram garg 1, sanjeev kumar 2, rahul deshpande 3, a. This is recommended to minimize the risk of overloading and damaging pump motor at full or zero flow. 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. Before starting the pump installation process mechanical or ac engineer to study the pump manufacturers written installation and alignment instructions. Aim to have all soft foot readings within 2 mils thou. Professional measurement and alignment system for rotating machines. There are several steps which need to be taken for a successful alignment job.
Asset uptime begins with precision shaft alignment misalignment in rotating machines can cause a number of problems from production losses to unplanned downtime to increased maintenance costs. By william livoti weg power industry manager in usa 12012015. Shaft alignment is the process of aligning two or more shafts with each other to within a. Single beam lasers with dual lasers, the method used in easylaser, the accuracy depends on distance a. 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 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. Failure to achieve proper alignment, a condition referred to as misalignment, will result in increased pump vibration, decreased bearing life, and has the potential. A practical guide to shaft alignment plant services. Parallel vertical misalignment is where the motor shaft is moved vertically away from the pump. Steps to successful installation of vertical circulating. Align before and after the pump and piping are bolted together. Recommended practice for machinery installation and. The performance curves given in the catalogue are valid for water whose density and viscosity are.
However all pump systems are different, in some systems the friction energy may represent 100% of the pumps energy, this is what makes pump systems interesting, there is a million and one applications for them. The process with rotalign pro is identical, except that the adjustment is monitored by observing beam movement in the coordinate display screen. Recommended practice for machinery installation and installation design chapter 1introduction 1 scope 1. The proper shaft alignment procedure is to secure the driven equipment first, and then install the coupling to. Alignment of vertical pumps empowering pumps and equipment. The amount of shim adjustment needed depends on the. Alignment employ laser or reverse dial indicator technology to align pump and motor. Empowering pumps is the information and connection hub for the global pump industry. Before aligning, the pump and motor base should be level on a pad and properly grouted.
Compliance with these tolerances does not however guarantee vibration free operation. Care has been taken by the authors, pruftechnik ltd, in the preparation of this publication. Unless otherwise instructed at a specific point in the user instructions, see section 5, commissioning, start up, operation and shutdown. Shaft alignment industrial wiki odesie by tech transfer. Remember, alignment is the last task to be carried out on a machine before it is run up for testing prior to return to service other than for insitu balance corrections. All of these methods will be described in detail later in this manual. The proper shaft alignment procedure is to secure the driven equipment first because moving a pump, for example, would stress. Is there an iso doc tell it or some industrial tradition. 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. Pdf a laser shaft alignment by ipspsds for rotary machine.
Alignment method selection issues the following list contains some of the issues that help to determine what will be the alignment method of choice. In household systems, friction can be a greater proportion of the pump energy. If a hot alignment check is required, determine alignment method to be used. For maintenance personnel in drinking water and wastewater facilities.
Add or remove shims from under the driver to correct the alignment. An essential component of any successful alignment procedure is the. Proper alignment is the largest factor in determining the life of bearings, seals and couplings. With the coupling broken, mount the fixture to the stationary shaft or coupling hub. It is an absolute requirement for machinery before the machinery is put in service. How to correctly install and align an api 610 vs4 vertical sump pump coupling between the pump shaft and motor pump to minimise vibration when operating. Both types can be found in the vertical and horizontal planes. The pump shaft should now be centered in the stuffing box and in its guide bearings. Precision alignment is an essential part of a proactive reliability program. The book is reference material on rotating machinery basics, pump overhaul, mechanical seals, basic vibration, and shaft alignment.
The objective of accurate shaft alignment is to increase the operating life of the machine. 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. Oct 17, 2015 is video me cri 2 series vertical pump ki alignment ko tight kar rahe he. Download shaft alignment report template from this section you can download an ms word template of the shaft alignment report, which can be used for documenting alignment activities. Api recommended practices 686, section 7, also does a good job covering alignment procedures for various types of equipment. Steps to successful installation of vertical circulating water pumps following the correct procedures for pump and motor alignment is necessary for reliable operation.
This is because checks are so easy and fast to carry out. This document is exactly the same as the printed alignment reports included with the skf shaftalign tmea 1. In pursuit of that goal, vibralign invented its own method of correcting misalignment called vertizontal which allows for the vertical and horizontal adjustments to be made together in one pass, saving valuable time and ensuring accuracy the first time around. 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. Standard maintenancemaintenance function, you are likely to reduce your. Vibralign is committed to helping businesses use their resources more efficiently and effectively. It is assumed that the gantry is square to the xaxis, all support equipment is in place and properly working, and all of the. Sharma 4 1 machine design, department of mechanical engine ering, c. The difference is also that in using a laser based alignment system the machines are actually checked. Now the shaft alignment measurement procedure can begin. This procedure is to be used as a guide for the initial system installation, or as a reference for optics replacement, or for re alignment if necessary. Produce pdf reports directly from the display unit and. Then slip it out and flop the tool over, then place the tool on the pump drive and rotate it.
Shaft alignment is an important technique during installation and maintenance of a rotating machine. Pump alignment report format free download as word doc. This online shaft alignment training course by cte skills features highquality and informative video that walks you through dial indicator shaft. If you have ran out of the printed alignment reports. Definitions of shaft alignment and associated termshow shafts become aligned and unalignedpump alignment procedure using a dial indicator. Many vertical pumps utilize a flexible coupling to transfer power from the motor to the pump, so proper shaft alignment is an important part of overall. The difference between the top and bottom reading is the sag each time alignment reading is taken then the sag must be accounted for subtracting pump motor aligning the shafts centerlines from side to side the indicators are zeroed on the left and read at the right make sure that you always view the dti from pump side there is no sag. A guide to properly align and install vertical turbine pumps.
Specify that bolting which connects pump to pipe must fit without force. From this section you can download an ms word template of the shaft alignment report, which can be used for documenting alignment activities. General lay out of laser alignment technique general lay out laser beam on the measuring head 12. The procedure for doing reverse dial indicator alignment is not a difficult one. Standard industry norms for alignment tolerances are cited in table 1. Pdf basic shaft alignment workbook for industrial rotatin. Method statement for installation and balancing of chilled. Vertical centrifugal inline pumps tailor made pump. A motor with a starting temperature of 70 f is perfectly aligned to the pump shaft it will be driving. The alignment of the pump flanges to the connecting piping is called flange alignment. How is the alignment job done in your plant, by proventested alignment procedure and methods or by trial and error. Vertical centrifugal inline pumps tailor made pump solutions.
Cte, new videos added to cte skills library the importance of shaft alignment. If sagfree brackets are not available, sag greater than. 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. With feeler gauge find obvious gaps and fill them with shims, taking care of any rough soft foot condition. In practice, proper alignment is difficult to achieve without using alignment equipment such as dial indicators or laser alignment tools.
This procedure is to be used as a guide for the initial system installation, or as a reference for optics replacement, or for realignment if necessary. 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. However all pump systems are different, in some systems the friction energy may represent 100% of the pump s energy, this is what makes pump systems interesting, there is a million and one applications for them. The shafts of the pump and drive unit must be closely aligned. The speed of use and the precision in alignment means that investing in a laser based shaft alignment system usually pays for itself within 36 months. The readings obtained will tell you how far out of alignment your equipment is from sidetoside as well as from toptobottom. The pipe should be targeted so as not to place strain on the pump. It is not intended as a comprehensive guide to alignment of process machinery, nor is it a substitute for seeking professional advice or. Alignment report hung seng huat engineering product co. Inaccurate or incomplete alignment procedures human error. For the above question, most supervisors and engineers would immediately respond, we alwaysonly use proven, tested alignment methods techniques procedure and our technicians are well trained to handle any difficult alignment requirement. For maintenance personnel in drinking water and wastewater. Download shaft alignment handbook third edition by john. Shaft alignment training course ppt presentation and machine.
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