Flexible couplings can accommodate some misalignment but should not be used as an excuse for poor alignment or lack of maintenance. Machinery alignment tolerance tables impact engineering. Used in ship repair, service, consulting, new builds. First published in 1991, this useful text has been revised and reprinted in a more readable, updated format. Last week, a customer asked me how to do a laser alignment on a fluid coupling. Offset alignment or radial alignment is checked using a straight edge ruler. This is a companion app for performing shaft alignment, using the fixturlaser laser kit, on typical applications such as a motor and a pump. On hollow shaft designs, the coupling consists simply of the bolts that secure the motor shaft to the top hub. Make sure the surfaces onto which the motor and gearbox mount are free of dirt, rust, paint, or other debris that could get under the feet of these components. Before obtaining alignment measurements, determine dial indicator bar sag of the rim dial indicator and ensure. 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.
When performing precision shaft alignments the mechanic should first check for runout. Even flexible couplings require a minimal alignment, defined in the instruction sheet for the coupling. There are several steps which need to be taken for a successful alignment job. In todays challenging environment of reducing costs and optimizing assets, the necessity of accurate alignment is now greater than ever. This is hps official website that will help automatically detect and download the correct drivers free of cost for your hp computing and printing products for. Laser alignment system shaft alignment tool tksa 41 skf. Official hp drivers and software download hp customer. In the table below you can compare our shaft alignment systems technical features sidebyside. Manage the alignment data of your plants assets with arc 4. Any gap between the shafts will indicate that the shaft is offset or misaligned slightly and it needs to be rectified. Coupling between two modules is a measure of the degree of interdependence or interaction between the two modules. Proven to save time and money on turbine alignment. Some mechanics measure alignment quality using the coupling manufacturers recommendations.
The only flexible element in this drive train is the pump shaft, so any offset or angular misalignment of the pump shaft and hub will produce. The coupling may tolerate a great deal of misalignment, but the bearings, seals, shafts, gears, etc. Couplings and shaft alignment provides positive practical guidance to engineers dealing with shaft couplings for the transmission of power, and concerned with the related problem of shaft alignment. It is the perfect solution to manage your sites, plants and machines in a common database and for preparing, analysing, organising and archiving your measurement files. The easylaser xt alignment app is used together with the easylaser xt. Download the latest drivers, firmware, and software for your hp compaq l5009tm 15inch lcd touchscreen monitor. Proper shaft alignment is required to maintain operational longevity of all rotating machinery.
It involves maintaining the prescribed distance a between the coupling halves see shaft coupling. The ultimate measurement tool for shaft alignment and geometry measurements. In software engineering, coupling is the degree of interdependence between software modules. Some balancing software have the possibility to calculate the permissible masses. Shaftdesigner the shaft calculation software by imt. Shaft alignment software in nauticus machinery for optimal propeller shaft alignment and natural frequencies for whirling and axial vibrations. 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. The method is applicable to alignment of molecules in many neutral and charged orienting media and takes into account the molecular shape and 3d. Thats why the shaft alignment software was designed to help walk you through the stepbystep process of aligning your rotating machinery. The two basic types of misalignment are parallelism and angularity. The program supports a large number of applications. First angle projection all dimensions are in millimeters except where noted.
The procedure for doing reverse dial indicator alignment is not a difficult one. The shaft alignment means adjustment of the relative position between two connected machines, e. The type and alignment of the coupling also can cause vibration in vertical pump motors. A module having high cohesion and low coupling is said to be functionally independent of other modules.
Coupling alignment is essential to ensure the troublefree mechanical operation of a pump set and to avoid damage to the transmission elements. Finds best alignment with smallest moves on fewest bearings. Low coupling is often a sign of a wellstructured computer system and a. The article curvic coupling design appeared in the novemberdecember 1986 issue of gear technology summary curvic couplings were first introduced in 1942 to meet the need for permanent couplings and releasing couplings clutches, requiring extreme accuracy and maximum load carrying capacity, together with a fast rate of production. This tool will help users check for soft foot, go through a step by step laser alignment process and also help them complete an accurate laser shaft alignment. To achieve our goal of proper shaft alignment, we must correct for both types of misalignment.
All customers have a regular software updates while their service contract is actual. Shaft alignment industrial wiki odesie by tech transfer. You can do it quickly with a straight edge and a feeler gauge. Think beyond what is possible within shaft alignment and you will find. As an example, a machine with a short flexible coupling running at 1800. Shaft alignment tool comparison and selection table skf. Shaft alignment tool comparison and selection table skf has developed a range of easytouse shaft alignment tools that are suitable for a majority of alignment tasks.
What are the different types of coupling in software. Includes multiple shaft rim and face coupling alignment. Solve vertical pump motor vibration processing magazine. No reason other than to distinguish from the various forms. Accurate alignment can also help to extend the life time of your machines. Modern laser alignment tools and their accompanying software have made it quite simple to accomplish this. Also includes all of the functions in turbine tools 2. If the customer didnt prolong service contract, there is a fair renew option available. Dial gauge alignment procedure in covered with detailed animation. Low coupling often correlates with high cohesion, and vice versa. Download the latest drivers, software, firmware, and diagnostics for your hp products from the official hp support website. Fluid couplings transmit power from a driving shaft to a driven. These symptoms may also indicate coupling problems e. Rod end alignment coupler inch sizes compact automation.
Several equipment alignment methods, especially the reverse dial indicator method, which is the principle used in laser alignment is covered in explicit detail. Most coupling manufacturers alignment tolerances are based on the amount of misalignment the coupling will tolerate before failing. Alignment center software alignment center is a windows based software platform for all pruftechnik alignment instruments and applications. The shaft alignment training course provides a highly practical knowledge of the use of dial gauge in coupling alignment. Shaft alignment tolerances historically, shaft alignment tolerances have been governed by the coupling manufacturers design specifications. Hp compaq l5009tm 15inch lcd touchscreen monitor software. The most accurate calculation of multiple shaft coupling alignment. This question comes up occasionally, so i thought it would be a good subject to address here on.
Its alignment program guides you stepbystep through the alignment process, making the system very easy to use, regardless of prior alignment knowledge. There is no logic to performing a precision alignment, only to have to replace the worn or damaged components, and then align it again. Alignment simple steps to accurate alignment its a long. In most cases a quick glance at the table will tell whether coupling misalignment is allowable or not. This easytouse tool has enhanced measuring and reporting. Its been 18 months since i first started working on a tool to polar align from the polar region using a guidescope. Depending on the application you can use an insert type coupling which does not require great accuracy. Choose the coupling type flexible or spacer and alignment type standard, bolt bound vertical pumps or machine trains. 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.
First, it would be helpful to define fluid coupling. Aligns up to 5 couplings with 6 rotors and 12 bearings. Compare e series shaft alignment systems easylaser. Laser is best and fastest if the budget will tolerate it.
Objective of shaft alignment is to increase the operating life span of rotating machinery. Proper coupling alignment can save you from a variety of problems, such as excessive wear and energy consumption, accelerated shaft and coupling failure, and increased vibration. Roatlign ultra is machine alignment system pruftechnik. If a manufacturer of a machine or coupling require tighter alignment tolerances, those should be used. If your laptop is currently functioning you can find the serial number by using a simple keyboard command. A practical guide to shaft alignment plant services. Both types can be found in the vertical and horizontal planes. M and s are easily mounted on each side of the coupling and communicate with the display unit wireless. This protocol details the use of the software pales prediction of alignment from structure for prediction of an alignment tensor from a known threedimensional 3d coordinate file of a solute. Flexible couplings an overview sciencedirect topics. This is done by placing the ruler at various parts of the coupling halves, that is to say at the following sides. Provide rexnord the diameter and the usable shaft length dimensions of the driven shaft for a mcf guard refer to page 20.
The system has been designed for industrial applications and can be used in extreme maintenance working conditions. The skf shaft alignment tool tksa 41 is a quick and affordable laser alignment system. Do not use alignment couplers on pivoting applications. New phd2 static polar alignment tool astronomy software. It is a mistake, however, to take advantage of coupling flexibility for excessive misalignment, as flexing of the coupling and of the shaft will impose forces on the motor and drivenequipment bearings. This is best accomplished with a dial indicator using the process described in this video from vibralign. Thermal growth offsets the amount the motor grows from a cold start to operating temperature are also entered at this stage by clicking on the thermal growth icon and opening the modeling screen. Highend system for both shaft and geo measurements. Mcf coupling is the recommended interface between the solid low speed shaft drive and the driven shaft. This is hps official website that will help automatically detect and download the correct drivers free of cost for your hp computing and printing products for windows and mac operating system. Now its a tool within phd2 and available in the latest dev release. Accurate alignment can prevent a large number of machinery breakdowns and reduce the number of unplanned stops and loss of production. Misalignment of flexible couplings can lead to excessive force on either the motor or the driven load. Shaftdesigner great software to calculate shaft alignment, torsional, axial and whirling vibration.