From this section you can download an ms word template of the shaft alignment report, which can be used for documenting alignment activities. Shaft alignment is one of the major problems related to machinery with shaft coupling. 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. This calculator based on formulas from rim periphery and gap reading of pair coupling hub with dial indicator.

Shaft alignment methods explained bright hub engineering. Read and record the angle shown on the protractor scale and note. The primary and optional data entry windows intuitively tells you what information is required, and if you make a mistake, there are background routines to point out your errors. Formula for face and rim alignment calculation mathematics. With a focus on the core alignment tasks, the tksa 11 is designed to be a very easytouse instrument that is especially suitable for alignment learners and compact applications. A laser shaft alignment by ipspsds for rotary machine. Shaft alignment tolerances historically, shaft alignment tolerances have been governed by the coupling manufacturers design specifications. What is the formula of rim and face coupling alignment answers. 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. All of a sudden i have been asked to witness shaft alignment using dial indicators face and rim method. 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 tools for rotating machinery easylaser.

Fixturlaser dials this is a standalone app for performing shaft alignment, using indicator dials, on typical applications such as a motor and a pump. The alignment training is suitable for technicians undertaking machine alignment, coupling alignment, motor alignmnet, pump alignment, etc. Shaftdesigner the shaft calculation software by imt. The shaft alignment means adjustment of the relative position between two connected machines, e. Jan 10, 2007 i assume youre talking about alignment of propeller shaft to gearboxengine. I assume youre talking about alignment of propeller shaft to gearboxengine.

How does calculating your own alignment targets work. By following this principle, the alignment of machinery can be easily accomplished using the formulas. A practical guide to shaft alignment plant services. The fixturlaser dials app performs all dial indicator shaft alignment calculations as it guides the user through the reverse rim alignment process. The shaft alignment module in nauticus machinery is an advanced and flexible software tool for calculation of the optimal shaft alignment and natural. The procedure for doing reverse dial indicator alignment is not a difficult one. However, the task of shaft allignment can be made easy by following a few guidelines. It is calculated, conducted and verified when the system is at rest. Therm align a thermal growth calculator for machine alignment for iphone free vibralign inc. A static condition observed at the bearings supporting the propulsion shafts. By filling in the appropriate information into the proper boxes, the required shim changes for correcting both the angular and offset misalignments can be determined. This new standard is a great thing for our industry and will help us with all of our installation work and more. The book is reference material on rotating machinery basics, pump overhaul, mechanical seals, basic vibration, and shaft alignment. Thats why the shaft alignment software was designed to help walk you through the stepbystep process of aligning your rotating machinery.

Shaft alignment, whirling and axial vibration calculations are traditionally regarded as three much separated mathematical problems. Essential information for shaft alignment calculations. 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. A good static alignment is required for troublefree dynamic operation of the propulsion shafting. Shaft alignment industrial wiki odesie by tech transfer. Download as doc, pdf, txt or read online from scribd. When a driver like an electric motor or a turbine is coupled to a pump, generator, or any other piece of equipment, it is essential that the shafts of the. What is the formula of rim and face coupling alignment. All types of machines having shafts as an integral part of their structure, experience problems related to shaft alignment. Easylaser e420 is an entry level shaft alignment system, with features you would normally only find in more expensive systems. Correctly setup and aligned machines are necessary to. The calculator of claim 1 wherein the program stored in the memory unit contains information that defines at least three equations which when implemented compute shaft alignment.

A motor with a starting temperature of 70 f is perfectly aligned to the pump shaft it will be driving. This calculator will assist with shaft coupling alignments by determining the required motor foot moves from coupling alignment measurements. Shaft alignment is the process of aligning two or more shafts with each other to within a tolerated margin. 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. This swedish laserbased shaft alignment systems manufacturer has developed and offers three free shaft alignment apps in cooperation with its usa distributor vibralign. The mathematical formula for calculating adjustments to properly align a shaft using the reverse double dial indicator alignment method follows a basic rise over run geometric principle. Download report template or firmware upgrades for skf shaft alignment tools. The fixturlaser dials app performs all dial indicator shaft alignment calculations as it guides the user through the reverse rim alignment process with its stunning 3d graphical interface. We were using the fixturlaser go pro, so we took the chance to calculate the shaft alignment targets ourselves.

In nauticus machinery shaft alignment these effects can be carefully considered when designing an optimal shaft line in order to avoid problems in operation. Its a simple calculationwe just needed a hot alignment point and a cold or ambient alignment point. Measuring and correcting angle problems drivelines nw. 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. The original function of a flexible coupling was to accommodate the small amounts of shaft misalignment remaining after the completion of a shaft alignment using a straight edge or feeler gauges. If you have a typical flanged coupler, 4 or 5 in dia, mate the shaft flange to the trans flange and adjust engine up or down until you have. Please watch above video or read stepbystep instructions with images below. Alignment report hung seng huat engineering product co. This 2day course begins with the fundamental principles behind shaft to shaft alignment and concludes with students conducting a series of alignment exercises using conventional alignment tools.

The shaft alignment designer should have the complete information to model the propulsion shafting properly. Shaft alignment calculator for android free download and. Shaft alignment calculations fem model global alignment. These shaft alignment calculations fem model can be used in the early design stage of a vessel or later in the operating stage to ensure correct alignment of your propulsion line. Laser alignment is an essential component of a viable maintenance. Vibralign trainer patrick lawrence guides us through three shaft alignment concepts total indicator reading, the validity rule, and true position. Shear stress and angle of twist of shaft under torsion. 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. The calculator of claim 1 wherein the keyboard contains keys labeled in fractions divisible by oneeighth. Easylaser is used to align pumps and mo tors for all types of installations in a variety of industries. Dec 01, 2002 shaft alignment tolerances historically, shaft alignment tolerances have been governed by the coupling manufacturers design specifications.

General principles, methods, practices, and tolerances. There are several steps which need to be taken for a successful alignment job. Three free shaft alignment apps now available oil, gas. It is an absolute requirement for machinery before the machinery is put in service. Pdf basic shaft alignment workbook for industrial rotatin. Place a spirit level protractor on the driveshaft about halfway between the transmission and the differential. In the article temperature growth influence on the shaft alignment of centrifugal pump unit is examined. 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. Shaft alignment training course ppt presentation and machine. Basic shaft alignment workbook for industrial rotatin n1achincrv. In isolation each strategy can help to reduce unexpected machine failure but taken together they form the hub.

The 5 most useful shaft alignment appsdownload today. Computer software for alignment of steam turbines wind turbines gas turbines pumps, motors multiple shaft coupling alignment rim and face coupling alignment reverse coupling alignment bearing shim change tightwire alignment customers include. The shaft alignment designer should have the complete information to model. Formula for face and rim alignment calculation free download as word doc. A simple and effective procedure for doing shaft alignment of rotating machinery.

Introduction the main propulsion shaft line is the essential part of a modern ship propulsion system, exposed to various conditions throughout the ships lifetime. Give us a call at 18668564687, our drivelines experts will help diagnose this issue. 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. This allows machinery alignment professionals to input thermal growth targets with ease and confidence. Read the article to know more about shaft alignment method and techniques. The app guides the user through the complete measurement and alignment process simplifying otherwise cumbersome tasks such as calculations and determination of directions and amount to move the machine to achieve a perfect alignment. For ease of use, the reverse dial formula has been incorporated into a shaft alignment data form, shown in figure 50.

Since using laser alignment equipment for many years,i have become a little rusty in using dial indicators for alignment of pumps etc. Shaft alignment calculator industrial maintenance systems, inc. Reliability of shaft alignment calculations depends on the completeness and accuracy of propulsion shafting modeling. Site contains information about the software for propulsion shafting alignment suitable for all known shaft alignment techniques, including strain gauge alignment. Centrifugal pumps shaft alignment in an order to provide reliable and long work a pumping unit figure 1, it is necessary to provide the. These two points tell us how the machine moves when put in service.

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