Nalignment of pump and motor pdf files

A practical guide to shaft alignment plant services. The choice of pump for a given application depends largely on how the pump headflow characteristics match the requirement of the system downstream of the pump. Motor bearings not properly seated inspect and replace as required 3. Dc motors although ac motors are used in most of the cases, dc motors have many applications and used for multipurpose applications. Lv motors we reserve the right to change the design, technical specification and dimensions, without prior notice. Very often problems with pump and motor bearings, shaft breakage and difficulty in. Each cad and any associated text, image or data is in no way sponsored by or affiliated with any company, organization or realworld item, product, or good it may purport to portray. This will show you how much you need to move the motor for horizontal alignment. Cad step files for magnaloy products click on the link below for coupling hubs or pump motor mounts. The pumps and motors ceu training course uses a multiple choice type answer key. The shafts of the pump and drive unit must be closely aligned. The centrifugal pump, which is considered in this report, is built in an experimental setup at the technical university of eindhoven to investigate the influence of a suction flow on the forces on the shaft of a mixedflow water jet pump.

Close coupling is the preferred method of joining pump and motor as it allows a motor to be directly mounted onto a pump. The objective of optimized shaft alignment is to increase the operating life span. Ier services industrial electromechanical repair services. The alignment should be checked after the unit is piped and rechecked periodically. Produce pdf reports directly from the display unit and save to usb memory. To correct for angular and parallel misalignment in the vertical plane, add or remove shims. Fill out, securely sign, print or email your pump alignment form instantly with signnow. Pumps and pumping system bureau of energy efficiency 118 figure 6. Andrew glover of weg uk suggests that oversizing pump motors can decrease efficiency and cost effectiveness and shows how manufacturers can achieve maximum pump motor efficiencies by ensuring that motors match pumps. Centrifugal pump and motor assembly 3d cad model library. A pump does not convert one form of energy to a different form of energy, but the motor converts electrical energy to mechanical energy. Before aligning, the pump and motor base should be level on a pad and properly grouted. Partial reprints or reproductions are permitted subject to full acknowledgement.

Hence, this technique offers precise alignment and secure hold. Boasting a revolutionary onepiece frame for correct alignment of bearings, seal and impeller to front. Shaft and bearing calculations gulf states engineering co. Operation, maintenance and monitoring basics daniel kernan manager monitoring and control group, itt executive summary pumps are at the heart of most industrial processes, and the second most common machine in the world. Close coupling also provides a compact unit that is often less expensive than an equivalent long coupled assembly. Isbn 9529107285 second edition 2005 the motor guide basic technical information about low voltage standard motors. Centrifugal pumps designs and application by robert r. Shaft and bearing calculations 121 shaft and bearing calculations gert hallgren itt flygt ab abstract. A fire pump and tank with a selfcontained water supply can be used either to supplement. Visit in the coming days to access the recording of the webinar.

Best practices for ansi pumps seven principles to extend process pump mtbpm selection since induction motors have operating speeds 2% to 5% below synchronous speed, size pumps to run at operating speeds less than stated maximum synchronous speeds. Department of energys does advanced manufacturing office amo with support from the copper development association cda. The pump cannot suck on or draw the liquid into the pump. Installation and operating instructions repair parts list close coupled motor driven centrifugal pump 14 0694 important for best possible performance and continuous, satisfactory operation, read these instructions before installing your new pump. This is recommended to minimize the risk of overloading and damaging pump motor at full or. In short, aligning centertocenter without paying attention to thermal growth is surely one of the factors that keeps its practitioners in the repair focused category. Special brackets are available for alignment with locked rotors to increases the safety of. Motor frame hole 516 stainless steel external tooth lock washer ground cable blackorange wire.

Sep 30, 2012 what is the difference between a motor and a pump. The pipe should be targeted so as not to place strain on the pump. After the pump and driver unit has been placed on the foundation, the coupling. The alignment of the pump shaft to the drive shaft of the motor, gear, or engine driving the pump is called shaft alignment. Should service be required, this manual can be a valuable guide. We provide sales, full service onsite diagnostic testing and motor repairs for all makes and models of motors, vfds and pumps in central ohio and the surrounding areas. Hydraulic motor drives heavyduty two or fourbolt sae flanged bracket coupler set with automatic alignment properly sized hydraulic motor nve pioneered pump packages, and our engineering department continues to lead the industry in design and fabrication. Understand shaft alignment plus a brief discussion of problems that may arise and how to fix them. 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. Dec 03, 20 this is a question that comes up surprisingly often in our training classes. A pump requires a driving mechanism such as a motor or an engine to operate. Counterbore pump alignment ring oring early motor with frame ground 14 x 614 cap screws 55 65 inlb. A widespread culture of overrating pumps has lead to gross inefficiencies in system operation.

Fire pump inspection checklist your fire pump is the heart of your fire protection system a booster pump reinforces the public water supply when the public water main cannot provide the volume or pressure needed to supply an automatic sprinkler system. Proper alignment is the largest factor in determining the life of bearings, seals and couplings. A sourcebook for industry i acknowledgments improving motor and drive system performance. Inaccurate assembly of components, such as motors, pumps, etc. Motorpump equipment reference data equipment number. Dc motor principle a machine that converts dc power into mechanical energy is known as dc motor. Clean, dress up and file any burrs from mounting faces and anchor bolt holes. We know youll need some resources while building your project and specs. Manufacturers have addressed the problem of poor installation practice by the introduction of cartridge type seals which can be installed with little or no site assembly. 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. The easiest and most readily available would be the equipment manufacturer. Alignment simple steps to accurate alignment its a long. The motor is the prime mover, transferring power to the pump by the use of a coupling. Installation, operation, and maintenance manual goulds pumps.

To eliminate all vibrations, the impeller is screwed to the shaft of the motor. 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. In normal motoring mode, most electric motors operate through the interaction between an electric motor s magnetic field and winding currents to generate force within the motor. To achieve good, repeatable results, pre alignment steps must be done. The importance of motor shaft alignment department of energy.

Where to make shimming adjustments align the motor to the pump by shimming the motor feet soft foot problems. 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. Misalignment of pump, casting, discharge head, column, or bowls check for overall pump concentricity, remove and straighten bent shaft, consider replacing bent shaft 5. With two wireless measurement units, large sized detectors and powerful lasers, the instrument performs precise measurements in even the most challenging conditions. Know and understand centrifugal pumps \ r i \ suction piping. Machinery alignment tolerance tables impact engineering. Correct and complete installation practices can mean the difference between a pump that gives many years of troublefree service. Provide alignment and vibration mitigation benefits. The axial preload force not only reduces bearing and coupling life but also results in shaft bending. One of the most important parts of pump setup is making sure that the pump and the drive motor are carefully aligned. It is recommended that you download this pdf document and assignment to.

Pumps may be started with the valve further open only on installations where this situation cannot occur. Alignment report hung seng huat engineering product co. We offer the most complete, easy to install packages available allowing you. In the event of any contradictory information between the various documents covering the motor, the specific contractual documents shall take precedence over the. Motor drive coupling out of balance field balance coupling 4. 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. 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. This is recommended to minimize the risk of overloading and damaging the pump motor at full or zero flow. Under the indicator position mark the point that is 12 the indicator reading. In the article temperature growth influence on the shaft alignment of centrifugal pump unit is examined. Laser alignment system shaft alignment tool tksa 41 skf. To achieve this goal, components that are the most likely to fail must be made to operate within their acceptable design limits. Pumps and motors american water college 4 american water college centrifugal pump parts wear rings restrict flow between the impeller discharge and pump suction.

Its operation is based on the principle that when a current carrying conductor is placed in a. The construction group may have the cleaning procedure incorporated within the integrity test procedure, if this is the case commissioning need to create a list of. Benefits, methods of proper pump to motor alignment. Centrifugal pump selection and application into the system foreword this article is a note or manual for mechanical engineer where work as rotating engineer or where concern to apply centrifugal pump into the system. Minimize the soft foot under the motor before performing alignment. If a manufacturer of a machine or coupling require tighter alignment tolerances, those should be used. Start a free trial now to save yourself time and money. The alignment training is suitable for technicians undertaking machine alignment, coupling alignment, motor alignmnet, pump alignment, etc. Possible causes and solutions to misalignments in pumps. The tksa 41 is an advanced laser alignment solution for achieving accurate shaft alignments. This is probably the most common configuration of coupled machines in industry. Nishi 3 used mini turbo pump having its impeller diameter between 5 mm and 50 mm to find cavitation performance.

After the page loads, click on the folder and follow the folder tree to the size you require. Shaft alignment training course ppt presentation and machine. An electric motor is an electric machine that converts electrical energy into mechanical energy. The book is reference material on rotating machinery basics, pump overhaul, mechanical seals, basic vibration, and shaft alignment. This pump train would be considered a problem child even among the troubled 20% group. The computeraided design cad files and all associated content posted to this website are created, uploaded, managed and owned by third party users. Clean rags dial indicator to assist in motor and pump alignment optional tools to facilitate pump assembly and disassembly taperlock driver to assist in bowl assembly and disassembly for pumps with taper lock impellers. Years of field experience and laboratory testing, together with advanced calculations, form the basis for development of flygt methods and computer programs used to analyze and dimension the rotating system of a pump or mixer. Download centrifugal pumps design and application by robert r.

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. Pump headflow curves are typically given for clear water. Unless otherwise instructed at a specific point in the user instructions, see section 5, commissioning, start up, operation and shutdown. Machine type pump motor vertical angle horizontal angle horizontal offset thermal compensation stationary s machine movable m machine vertical offset offset 2. The concept of the fluid being available to the pump is discussed in detail in chapter 2 of this book. The fluid must be available to the pump with sufficient energy so that the pump can work with the fluids energy. Its stainless steel disc helps distinguish this pump from any other. The most common examples of this configuration is a horizontal motorpump or. We have been in business over 40 years with over 50 years of combined work experience at the executive levels. File a claim with the shipping company if anything is out of order. Lobanoff book aimed at the pump user, pump designer, rotatingequipment engineer, and student, this book bridges the gap between scholar texts and standard engineering design material.

Pumpsmotors with magnetic couplings shall be aligned in accordance. These indicator readings mean that you need to move the motor. Sep 19, 2016 motor pump alignment is the process of aligning shaft centerlines between a motor and a pump. If the pump or motor is damaged or leaking, electric shock, fire, explosion, liberation of toxic fumes, physical harm. The pump outlet control valve may need to be adjusted to comply with the duty following the runup process. Pump alignment form fill out and sign printable pdf. Molded in polycarbonate, the highprecision impeller assures the ms model an optimum efficiency. You make calculations to see how far the driver must be moved to align the centerline of the pump to the. And you are correcting two angles, one for each coupling. Improper alignment leads to increase of stresses in the shafts and thus on the equipment, which might result in break down of the machine. 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. What is the difference between a motor and pump engineers. Pump seals are a high cost item often costing up to a third of the total pump cost.

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. Update your shaftalignment knowledge peerless pump. Note down, sketch and file the as found measurements from datum points, soft foot conditions and corrections. 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. Empowering pumps is the information and connection hub for the global pump industry. This document was uploaded by user and they confirmed. Impeller trims of 75% are optimal, so trim impellers 60% to 95% of maximum. The amount of alignment correction at the motor can seem to be very large. Rotation manually turn coupling to assure free rotation of pump and motor. The question is usually regarding thermal growth offsets dynamic movement and shaft alignment tolerances. The shaft center line for the offset alignment check.

Hydraulic gear pump and motor failure analysis and repair guide page 2 of 32 alamo industrial 1502 e walnut st, seguin, tx 78155. 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. Vemc presents pump motor alignment process with help of dial gauge method for accurate and smooth functioning of machines in your manufacturing units. Learn from the very simple sets of pump and motor, the model made out of papers. The most secure digital platform to get legally binding, electronically signed documents in just a few seconds.

To facilitate accurate field alignment, most manufacturers either do not dowel the pumps or drivers on the base plates before shipment or, at most, dowel the pump only. When it comes to the reliability of its pumps, no industry or operation can afford to ignore the basics. Pump care manual a collection of centrifugal pump maintenance articles. In this study flow field with cavitation in a centrifugal pump was computed for the validation of cavitation cfd. The alignment of the pump flanges to the connecting piping is called flange alignment. There are several ways to obtain the data in question. Poor installation and excessive shaft misalignment will substantially reduce seal life. 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. Shaft alignment training course ppt presentation and. Pump alignment report format free download as word doc. Motorpump alignment is the process of aligning shaft centerlines between a motor and a pump. Check out the zoeller youtube channel for tips, training, and product videos. But usually a pump and electromotor have different coefficients of thermal growth and it is very important.

Pump maintenance michigan water environment association. Difference between pump and motor compare the difference. Personnel intervening on the motor must be completely familiar with information and instructions contained in this checklist. Bearings are not usually designed to withstanding high axial forces and a.