What does take to do each step in the alignment procedure. You cannot move the pump because it is connected to the piping. A simple and effective procedure for doing shaft alignment of rotating machinery. Listed below are descriptions of some of the components most closely associated with the unit alignment. Basic shaft alignment workbook preface w elcome to the introductory book on. Shaftalign shaft alignment system for beginners pruftechnik. Our alignment software is used for preparing, analyzing, archiving measurement files and printing professional reports. The book is reference material on rotating machinery basics, pump overhaul, mechanical seals, basic vibration, and shaft alignment. If excessive run out is present on the shaft it may be bent and must be replaced before radial runout on the pulley is checked again. Pump alignment form fill out and sign printable pdf. Shaft alignment, often called coupling alignment, is a process to make two or more rotating shafts colinear, or in the same straight line, both vertically and horizontally. How soon are you planning to invest in asset condition management tools. Stan shows you how to perform an alignment in just one or two moves using dial indicators and the vertizontal compound. The alignment training is suitable for technicians undertaking machine alignment, coupling.
Here you can download the pdf template of the tksa 20 shaft alignment report, which can be used for documenting of your alignment activities. 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 data validity rule 1 shown in following equation. Shaft alignment training course ppt presentation and machine. Reverse alignmentunderstanding centerline measurement by c. In addition to belt wear, the pulleys, bearings and seals can all be damaged by inattention to basic installation requirements. The most secure digital platform to get legally binding, electronically signed documents in just a few seconds. The procedure for doing reverse dial indicator alignment is not a difficult one. Dec 17, 2011 good footplane must be established and maintained throughout the alignment procedure to avoid stressing the machine cases. Shaftalign os3 is easily extendable through the activation of powerful options as the alignment requirements grow. The motor is the prime mover, transferring power to the pump by the use of a coupling. Our objective is to identify a simple shaft alignment procedure that can be followed for. The horizontal move is the part of the alignment process that aligns the shafts centerlines from side to side.
If installation requires another configuration, please consult factory customer service for assistance. Shaft alignment procedure mantenimiento planificado. The shaft can contact the disaster bushing in an api. Produce pdf reports directly from the display unit and. Basic shaft alignment workbook for industrial rotatin n1achincrv. The advanced tools of the editor will direct you through the editable pdf. Improper alignment leads to increase of stresses in the shafts and thus on the equipment, which might result in. Now the shaft alignment measurement procedure can begin. The bent shaft affects alignment process by showing improper reading. Shaft alignment can be done utilizing several methods and tools, such as straightedges, calipers, dial indicators, optics, or laser systems. This procedure should be followed for every alignment from beginning to end. Machinery manufacturers published various shaft alignment guides for their specific. View the machine from the pump end, zero the indicators on the left, and then rotate and read on the right.
However, dont forget about variablespeed applications. The greater the shaft speed, the more critical alignment becomes. Shaft alignment training course ppt presentation and. Pumps and drivers are moving targets due to torque strains and thermal effects, so evaluation of these factors is an important step in pump shaft alignment. Laser alignment is an essential component of a viable maintenance. Number what is shaft alignment 6 a definition 6 machine catenary 7 operation above critical speed 8 expressing alignment 10 alignment parameters 10 angularity, gap and offset 11 short flexible couplings 14 spacer shafts 15 how precise should alignment be. Learn the fundamentals of shaft alignment handson experience. This is probably the most common configuration of coupled machines in industry. Proper alignment of rotating equipment has a long been recognized as a prerequisite to safe, reliable operation. This method does not truly align the shaft centerlines. A simple and effective procedure for shaft alignment of rotating equipment. Aligning vertical pumps empowering pumps and equipment. Machinery alignment tolerance tables impact engineering. 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.
Shaft misalignment is responsible for as much as 50 percent of all costs related to rotating machinery breakdowns. Pump and driver alignment in the pump business alignment means that the centerline of the pump is aligned with the centerline of the driver. 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 way to complete the online pump alignment form on the internet. Installation, operation, and maintenance manual goulds pumps. Motorpump alignment is the process of aligning shaft centerlines between a motor and a pump. Shaft misalignment is one of the most common reasons for bearing and mechanical seal failures.
Good footplane must be established and maintained throughout the alignment procedure to avoid stressing the machine cases. Click to download the upgrade package zip file, 47mb. Update your shaftalignment knowledge peerless pump. Our objective is to identify a simple shaft alignment procedure that can be followed for every alignment. The laser alignment system with psd has been successful for designing and implements actual shaft alignment. With a loadonpad design, figure 1 the shaft is free to laterally within bearing clearance, and alignment data is difficult to obtain without temporary bearing shims to stabilize the sham with a loadbetweenpad design, figure 1 b, the shaft remains stable during the alignment procedure. Pdf basic shaft alignment workbook for industrial rotatin. 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.
Therefore, less accurate methods can be used at slower shaft speed. Fill out, securely sign, print or email your pump alignment form instantly with signnow. Understandably, you might be looking for ways to simplify some of your traditional work processes and procedures. Pdf reports can be generated and directly saved from the system onto a usb stick. The horizontal move is the part of the alignment process that aligns the shaft s centerlines from side to side. The objective of accurate shaft alignment is to increase the operating life of the machine. Rotating misaligned shafts produce vibration and complex fluctuating radial and axial loads that lead to breakdowns. Shaft alignment tolerances historically, shaft alignment tolerances have been governed by the coupling manufacturers design specifications. 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. Precision alignment is an essential part of a proactive reliability program. 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.
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. If a manufacturer of a machine or coupling require tighter alignment tolerances, those should be used. Use this stepbystep guide to fill out the pump alignment form swiftly and with ideal precision. If no shaft runout is detected, replace the pulley instead. 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. Machine type pump motor vertical angle horizontal angle horizontal offset thermal compensation stationary s machine movable m machine vertical offset offset 2. The alignment of misaligned shaft are done by using different types of shaft alignment methods which are mention below. Measure and correct alignment of the machine to achieve the final alignment to the required targets within tolerances. The alignment training is suitable for technicians undertaking machine alignment, coupling alignment, motor alignmnet, pump alignment, etc. Dec 01, 2002 shaft alignment tolerances historically, shaft alignment tolerances have been governed by the coupling manufacturers design specifications.
Start a free trial now to save yourself time and money. A practical guide to shaft alignment plant services. Misalignment may cause the pump and driver to operate with. The shaft alignment training course provides a highly practical knowledge of the use of dial gauge in coupling alignment. There are several steps which need to be taken for a successful alignment job. This measurement can be projected the full length of both shafts for proper positioning there is a need to allow for thermal movement. Achieving proper alignment, however, involves much more than merely adjustment the machines so that the shafts are coaxial. 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. Apr, 2014 shaft alignment training with vibralign professional trainer stan riddle. Visually check coupling, pipehangers, base bolts, coupling spacing etc. 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. 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. Dial gauge alignment procedure in covered with detailed animation.
Oct 08, 2017 shaft alignment is the process of aligning two or more shafts with each other to within a tolerated margin. Shaft aligning procedure preliminary checks visually check coupling, pipe hangers, base bolts, coupling spacing etc. Pdf a laser shaft alignment by ipspsds for rotary machine. Although this alignment was always a consideration with packed pumps, it is critical with sealed pumps. Measure, diagnose, and correct soft foot with the assistance of the laser system and feeler gauges. Clean up all spills in accordance with safety and environmental procedures. Stan shows you how to perform an alignment in just one or two moves. Shaft alignment training with vibralign professional trainer stan riddle. Improper alignment leads to increase of stresses in the shafts and thus on the equipment, which might result in break down of the machine.
A practical guide to pulley alignment plant services. 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. As the shaft is rotated, the indicator reads off the inside of the adapter. Sighting through as part of shaft alignment procedure eliza jaryszkami ska west pomeranian university of technology, szczecin, institute of manufacturing engineering, al.
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. 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. 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. Useful operating life can be reduced by as much 80% by poor pulley alignment. 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. Empowering pumps is the information and connection hub for the global pump.
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