System has the system been checked to ensure that it is free ot foreign matter which could be damaging to the pump. Shaft alignment training course ppt presentation and. Special circumstances of alignment installation anomalies. Does alignment procedure for vertical pump differ from horizontal pump alignment in anyway. You cannot move the pump because it is connected to the piping. Figure 1 shows an example of a typical rating plate. This booklet covers important guidelines and instructions on. Laseroptical alignment of shafts in rotating machinery is simple and more accurate than conventional mechanical methods and can result in reduced power consumption and increased mean time between. How to adjust vertical turbine pumps for maximum efficiency by h.
Free pdf book on the plant and equipment wellness way to. This procedure should be followed for every alignment from beginning to end. We have a vertical turbine pump having capacity of 20000cum per hour and pressure head 16. 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. When properly installed and when given reasonable care and maintenance, centrifugal pumps should operate satisfactorily for. Aligning vertical pumps empowering pumps and equipment. Laser alignment is an essential component of a viable maintenance. Failure to achieve proper alignment, a condition referred to as misalignment, will result in increased pump vibration, decreased bearing life, and has the potential. Proper assurance of material and fault free operation of pumps whose performance tests are. Alignment has the alignment of driver to pump been checked. For maintenance personnel in drinking water and wastewater. The suggested tolerances shown on the following pages are general values based upon over 20 years of shaft alignment experience at. 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.
Here is the process for aligning a verticallymounted cfaced motor as shown on a vertical alignment demonstrator. A practical guide to pulley alignment plant services. Where flowserve has supplied only the bare shaft pump, the ex rating applies only to the pump. In most cases, the vertical motor is mounted to a nema cface adaptor. When performing a vertical shaft alignment, the process will be different. Alignment report hung seng huat engineering product co. So to position the motor for proper shaft alignment, these two methods must be utilized. There are several steps which need to be taken for a successful alignment job. Alignment of vertical pumps empowering pumps and equipment. The alignment of the pump flanges to the connecting piping is called flange alignment. The skf tksa 11 is the first instrument on the market that uses inductive proximity sensors, enabling accurate and reliable shaft alignment to. How to do the alignment for vertical pumps with motor. The last digit indicates the specific pump on orders for more than one pump.
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. Pump out of alignment or shaft bent check for overall pump concentricity, remove and straighten bent shaft, consider replacing bent shaft 5. Since the pump shaft can not be turned when uncoupled and resting on the bottom, the laser readings were taken using the static measurement mode, which is a process that permits a reading to be taken in any cardinal or subcardinal position. 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. Proper assurance of material and fault free operation of pumps whose performance tests are made is under the warranty of dp pumps. Sulek1 reasons for impeller adjustment fiftyeight percent of 114 irrigation wells tested by university of nebraska college of agriculture engineers used from l l j 3 to 2 times the amount of fuel required.
Before after measurement item vertical horizontal vertical horizontal unit angular misalignment 0. Measure and correct alignment of the machine to achieve the final alignment to the required targets within tolerances. The procedure for doing reverse dial indicator alignment is not a difficult one. Proper alignment is the largest factor in determining the life of bearings, seals and couplings. Ufgs 35 45 01 vertical pumps, axialflow and mixedflow. Shaft alignment training with vibralign professional trainer stan riddle. Before aligning, the pump and motor base should be level on a pad and properly grouted.
Has the coupling been turned to assure free rotation of pump and motor. The alignment training is suitable for technicians undertaking machine alignment, coupling alignment, motor alignmnet, pump alignment, etc. Both can be removed easily and quickly for servicing without costly removal of the motor or pump from the piping. It is highly recommended to check and, if necessary, correct pumpmotor alignment as part of the commissioning process, before the pump is placed in service. The pump is a centrifugal, single stage closecoupled type. In isolation each strategy can help to reduce unexpected machine failure. Our alignment software is used for preparing, analyzing, archiving measurement files and printing professional reports. The proper alignment of a vertical shaft hydrounit is critical to trouble free operation. Pdf a laser shaft alignment by ipspsds for rotary machine. 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. The final alignment will be a free bolt condition, and no comealongs would be needed, which may be a surprise to some readers. 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. 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.
I want to know how alignment of pump shaft is done with motor shaft. 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. When bringing the pipe to the pump, the last spool suction side and discharge side, each should always be left until the pump has been leveled in place and rough aligned. Armstrong series 4300 split coupled vertical inline pumps are available with two mechanical seal arrangements. Kpds 4032 pump where 40 mm is delivery nozzle size of pump casing and 32 cm is nominal full diameter impeller. The book is reference material on rotating machinery basics, pump overhaul, mechanical seals, basic vibration, and shaft alignment. The main difference in aligning a vertical cface pump and traditional alignment is this. Machine type pump motor vertical angle horizontal angle horizontal offset thermal compensation stationary s machine movable m machine vertical offset offset 2. The pump types are designated as kpds delivery size in mm x nominal full diameter of impeller in cm. Vertical centrifugal inline pumps installation and operation instructions series. Shaftalign os3 is easily extendable through the activation of powerful options as the alignment requirements grow. The inclinometers in a laser alignment system work against gravity in the horizontal plane for a typical horizontal shaft alignment.
Now the shaft alignment measurement procedure can begin. Most of the small pump designs are not equipped with jack bolts so this will be the most difficult part of the alignment procedure. The shafts of the pump and drive unit must be closely aligned. Measure, diagnose, and correct soft foot with the assistance of the laser system and feeler gauges. Fixture mounting procedures are obviously dependent on the specific type of hardware being used. Care has been taken by the authors, pruftechnik ltd, in the preparation of this publication. Pdf reports can be generated and directly saved from the system onto a usb stick. It is assumed that the gantry is square to the xaxis, all support equipment is in place and properly working, and all of the. Vertical centrifugal inline pumps tailor made pump. Shaft misalignment is responsible for as much as 50 percent of all costs related to rotating machinery breakdowns. A practical guide to shaft alignment plant services. The pump rating plate gives identification and rating information.
Empowering pumps is the information and connection hub for the global pump industry. For this training, you will perform the alignment with the shafts uncoupled and the indicators mounted in direct contact with the rim and face of the movable shafts coupling. This manual covers the installation, operation and maintenance of patterson pump vertical inline pumps. Stan shows you how to perform an alignment in just one or two moves using dial. Our objective is to identify a simple shaft alignment procedure that can be followed for every alignment. Machine alignment for maintenance personnel in drinking water and wastewater facilities.
This guide specification covers the requirements for vertical axialand mixedflow impellertype pumps, having a pump discharge diameter up to and including 2100 mm 84 inches, for flood control and hurricane protection projects. You must now shim and move the driver to get the alignment. 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 machine reliability. They should be used only if no other tolerances are prescribed by existing inhouse standards.
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