Apr, 2014 shaft alignment training with vibralign professional trainer stan riddle. Shaft alignment training course ppt presentation and machine. Agilent 1290 infinity pump service kit contents overview of 1290 infinity pump service kit on page 2. Todays high performance machinery and expectations for up time require more accurate measurement. Aim to have all soft foot readings within 2 mils thou. Shaft alignment methods explained bright hub engineering. Here you can download the pdf template of the tksa 20 shaft alignment report, which can be used for documenting of your alignment activities. 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. The proper shaft alignment procedure is to secure the driven equipment first because moving a pump, for example, would stress. Our objective is to identify a simple shaft alignment procedure that can be followed for every alignment. 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.
I see lots of pumps that have never been aligned properly. Motor pump alignment is the process of aligning shaft centerlines between a motor and a pump. A practical guide to shaft alignment plant services. This procedure should be followed for every alignment from beginning to end. An important understanding required is the confident use of dial gauges. It is important to establish a set procedure to perform alignments.
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. Shaftalign shaft alignment system for beginners pruftechnik. Alignment tolerances for different pump and alignment companies so far, this article discussed the opinions and research of many intelligent people who work for reputable companies, who spent great amounts of time, money and resources to specify alignment tolerances. Before aligning, the pump and motor base should be level on a pad and properly grouted. Straight edge this method requires placing a straight edge on the pump and motor coupling, then making a visual check to see if the components are aligned. The alignment training is suitable for technicians undertaking machine alignment, coupling. Repeat this procedure for the 3 to 9 oclock direction. Pdf reports can be generated and directly saved from the system onto a usb stick. There is a definite relationship between the amount of misalignment and time between failures.
Oct 08, 2017 shaft alignment is the process of aligning two or more shafts with each other to within a tolerated margin. For maintenance personnel in drinking water and wastewater facilities. Although this alignment was always a consideration with packed pumps, it is critical. Use this stepbystep guide to fill out the pump alignment form swiftly and with ideal precision.
Vibralign trainer patrick lawrence guides us through three shaft alignment concepts total indicator reading, the validity rule, and true position sensing with the help of a dial indicator. The alignment training is suitable for technicians undertaking machine alignment, coupling alignment, motor alignmnet, pump alignment, etc. Alignment report hung seng huat engineering product co. Shaft alignment procedure mantenimiento planificado. Shaft alignment is the positioning of the rotational centers of two or more shafts such that they are colinear when the machines are under normal operating conditions.
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. Motorpump equipment reference data equipment number. Proper shaft alignment is not dictated by the total indicator reading tir of the coupling hubs or the shafts, but rather by the proper centers of rotation of the shaft. You cannot move the pump because it is connected to the piping. When installing the pump and driver, experienced technicians will perform a rough alignment based on visual indicators. 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.
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. The pipe should be targeted so as not to place strain on. The way to complete the online pump alignment form on the internet. 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. Shaftalign os3 is easily extendable through the activation of powerful options as the alignment requirements grow. You must now shim and move the driver to get the alignment. Despite the best efforts to precisely align rotating machinery shafts, dynamic movement commonly believed to be due to the thermal growth of the machine casings has resulted in machines operating. Proper alignment is the largest factor in determining the life of bearings, seals and couplings. Shaft alignment should be an organized and simple process. It is an easy, costeffective part of your preventive maintenance program. A little misalignment at the power end of the pump is a lot of misalignment at the wet end, and unfortunately that is where the seal. In practice, proper alignment is difficult to achieve without using alignment equipment such as dial indicators or laser alignment tools. Shaft alignment training with vibralign professional trainer stan riddle.
Empowering pumps is the information and connection hub for the global pump industry. The technician must also be adequately trained and systematically document the entire procedure, including the original misalignment, the final. Reverse alignmentunderstanding centerline measurement by c. The procedure for doing reverse dial indicator alignment is not a difficult one. The goal of the alignment process is to create a straight line through the coupling. 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. Successful pump alignment requires careful planning and execution, beginning with evaluation of tolerances and target values based on pump speed, thermal characteristics, coupling type and spacing. If a hot alignment check is required, determine alignment method to be used. 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. Motor pump equipment reference data equipment number. For maintenance personnel in drinking water and wastewater. Dial gauge alignment procedure in covered with detailed animation. Stan shows you how to perform an alignment in just one or two moves using dial indicators and the vertizontal compound.
Most of the small pump designs are not equipped with jack bolts so this will be the most difficult part of the alignment procedure. Improper alignment leads to increase of stresses in the shafts and thus on the equipment, which might result in. For the alignment to be successful, both the equipment and the overall system must be property designed, and the installation must be well done. Our alignment software is used for preparing, analyzing, archiving measurement files and printing professional reports. This method is often considered so complicated that many users have developed step by step worksheets, plotting boards, programmable calcula189 tors, and computeraided laser devices that can guide the aligner through the procedure without a real understanding of the funda mentals of alignment. Shaft alignment training course ppt presentation and. Motorpump alignment is the process of aligning shaft centerlines between a motor and a pump. The process with rotalign pro is identical, except that the adjustment is monitored by observing beam movement in the coordinate display screen. 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. Understandably, you might be looking for ways to simplify some of your traditional work processes and procedures. The book is reference material on rotating machinery basics, pump overhaul, mechanical seals, basic vibration, and shaft alignment.
Now the shaft alignment measurement procedure can begin. There are several steps which need to be taken for a successful alignment job. The pump shaft should now be centered in the stuffing box and in its guide bearings. Several equipment alignment methods, especially the reverse dial indicator method, which is the principle used in laser alignment is covered in explicit detail. It operates on the concept of centrifugal force and internal rotating mechanisms and is vital yet invaluable to a number of different fields. Installation, operation, and maintenance manual goulds pumps. The advanced tools of the editor will direct you through the editable pdf template. The shaft alignment training course provides a highly practical knowledge of the use of dial gauge in coupling alignment. How soon are you planning to invest in asset condition management tools. The alignment of misaligned shaft are done by using different types of shaft alignment methods which are mention below.
The advanced tools of the editor will direct you through the editable pdf. With feeler gauge find obvious gaps and fill them with shims, taking care of any rough soft foot condition. Standard industry norms for alignment tolerances are cited in table 1. Machine type pump motor vertical angle horizontal angle horizontal offset thermal compensation stationary s machine movable m machine vertical offset offset 2. Improper alignment leads to increase of stresses in the shafts and thus on the equipment, which might result in break down of the machine.
They also will ensure that all machine feet are in good footplane and have 0. Step by step guide to the centrifugal pump for your industrial plant centrifugal pumps are one of the most useful pumps in a number of industries. Pump alignment form fill out and sign printable pdf. There is a definite relationship between the amount of mis alignment and time between failures. 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. Shaft misalignment is responsible for as much as 50 percent of all costs related to rotating machinery breakdowns. Start a free trial now to save yourself time and money. Listed below are descriptions of some of the components most closely associated with the unit alignment.
Most technicians involved in shaft alignment understand the negative consequences of a soft foot condition and procedures for identifying it. Aug 28, 2012 vibralign trainer patrick lawrence guides us through three shaft alignment concepts total indicator reading, the validity rule, and true position sensing with the help of a dial indicator. Visually check coupling, pipehangers, base bolts, coupling spacing etc. Basic shaft alignment workbook for industrial rotatin n1achincrv. Dec 17, 2011 successful pump alignment requires careful planning and execution, beginning with evaluation of tolerances and target values based on pump speed, thermal characteristics, coupling type and spacing. 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. 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. Although this alignment was always a consideration with packed pumps, it is critical with sealed pumps. Update your shaftalignment knowledge peerless pump. The most secure digital platform to get legally binding, electronically signed documents in just a few seconds. The motor is the prime mover, transferring power to the pump by the use of a coupling. Dec 01, 2002 part one of a fourpart series that will cover alignment fundamentals and thermal growth, and highlight the importance of field measurements through two case studies. Care has been taken by the authors, pruftechnik ltd, in the preparation of this publication. If installation requires another configuration, please consult factory customer service for assistance.
This is probably the most common configuration of coupled machines in industry. After you perform alignments over a period of time using the same procedure, you will find yourself spending less time per alignment and doing a much better job. 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. A new motion graphic from ludeca outlines an easy and effective way to align your rotating equipment and brings you one step closer to best. 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.
Use the plunger assy of the pump head alignment tool for the alignment procedure described below. An essential component of any successful alignment procedure is the. Enter your official contact and identification details. Step by step guide to the centrifugal pump for your. Model 3296 ezmag installation, operation, and maintenance manual. It is assumed that the gantry is square to the xaxis, all support equipment is in place and properly working, and all of the. Vibralign is committed to helping businesses use their resources more efficiently and effectively. Pdf basic shaft alignment workbook for industrial rotatin. Pdf dial indicator alignment procedure hussain vasadwala.
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