Depending on the shaft configuration, one of the two available methods can be used. Iso shall not be held responsible for identifying any or all such patent rights. These applications arent as straightforward as others. Machinery alignment tolerance tables impact engineering. Driving and driven shaft centerlines are parallel to each other driving and driven shaft centerlines intersect in both cases. Universal joint shafts from voith transmit torque from a driving machine to a driven machine and can accommodate a high degree of misalignment. Rotalign pro handles trains of up to 6 machines 5 couplings, complete with specific tolerances, targets, names and icons for each machine. It consists of a pair of hinges located close together. The laser shaft alignment system with enhanced measuring and reporting the tksa 41 is an advanced laser alignment solution for achieving accurate shaft alignments. In additition, for repair work we recommend our own service to ensure. Add notes add additional details so they appear in the alignment report. Other new features, available for all xt shaft alignment systems, include. The most common cardan shaft setup is the zconfiguration where the drive shaft and driven machine are horizontal and parallel to each other.
This system features optional wireless communication, as well as a cardan shaft alignment mode that allows the user to focus only on the angularity that exists between the driver and driven shafts. Shaft aligning procedure preliminary checks visually check coupling, pipe hangers, base ppt. Xt770 the complete shaft alignment system easylaser. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. Offset shaft alignments require specific shaft alignment equipment. Rotalign touch advanced laser shaft alignment system.
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. You dismount the cardan and mount a expensive straight cardan adapter alignment plates, fixture so you get the laser heads looking direct at each other at the center of one shaft and on the plate on the other compensating for any static offset and then you run a standard alignment procedure but only rotating the heads on the fixtures so if it is a huge cardan at a rolling mill it. It offers the benefits of a dynamic precision laser shaft alignment on machinery with minimal waste of time and without stretching the budget. In the 1950s, spicer gwbtm cardan shafts were the largest available at that time, and were followed several decades later by the first mainte nancefree cardan shaft. This is par ticularly important for applications where misalignment could affect the velocity and acceleration of the driven shaft. Shaft alignment of rotating equipment is an essential part of machinery maintenance. In this configuration, the angular velocity of the driven shaft will match that of the driving shaft, provided that both the driving shaft and the driven shaft are at equal angles with respect to the intermediate shaft but not necessarily in the same plane and that the two universal joints are 90 degrees out of phase. The easytrend program allows you to keep track of machine movement over time. Cardan shafts ujoints universal joint shafts gewes cardan shafts, or even called ujoints, facilitate reliable torque transfer between spatially remote drive and output trains. The efficiency of laser shaft alignment active clock measurement mode intelligent and precise alignment due to the activated mems inclinometer used in this measurement mode.
Rotalign pro handles this special alignment challenge with ease, thanks to new, speciallydesigned largeoffset brackets ali 2. 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. In practice, proper alignment is difficult to achieve without using alignment equipment such as dial indicators or laser alignment tools. It uses two dial indicators, one on each shaft, to measure the parallel and angular misalignment as shown in figure 21. Then, through the use of a laseralignment system and a specially constructed cardan offset bracket, the angle between the machines can be easily determined and corrected. Avv711 is a compact laser alignment system offering the benefits of dynamic precision laser shaft alignment with extra features including flatness, straightness, perpendicularity reconciliation, measurement range extension, data quality assessment, auto shoot and direct pdf. Only three steps to the perfect alignment machine shaft alignment with a twist. Custom pdf report templates use one of the two formats included, or design your own. For spacer shafts, the table gives the maximum allowable offset for each 100 mm or inch of spacer shaft length. The ultimate laser shaft alignment tool rotalign touch offers best measurement precision and most advanced features to save you time and costs. Alignment and couplings 3 the reverse indicator method is another shaft alignment method.
Alignment tools and procedures that take thermal growth. Understanding the need for offset shaft alignment vibralign. Machine alignment refers to the adjustment of the relative position of two coupled machines, e. The data validity rule 1 shown in following equation. 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. An essential component of any successful alignment procedure is the. All measurements are taken on the rim of the coupling hubs. International standard requires approval by at least 75 % of the member bodies casting a vote.
It provides the perfect solution for preparing, analyzing, organizing, archiving and printing alignment measurement files. Qrbarcode reader assign a specific code to a specific machine, then use the builtin camera of your device to open the assigned file and settings. The bent shaft affects alignment process by showing improper reading. May 26, 20 shaft alignment of rotating equipment is an essential part of machinery maintenance. Spacer coupling and insitu cardan shaft alignment with rotating arm bracket. See more ideas about universal joint, drive shaft and paper machine. Rotalign touch ex is atexiecex zone 1 certified with the best precision and most advanced alignment features in the world. Sheng, ndition of the shaft alignment is crucial in order to make intelligent. This machine shaft alignment video presents the concepts of offset and angularity. Insitu cardan shaft alignment moving on to the more rare and exotic exotic species of alignment applications, you may find yourself having to align a cardan shaft.
A pdf report is generated automatically when the measurements are saved. Do not run a w arrangement in plan and a z arrangement in elevation or vice versa at the same time on one shaft. And yet, even excellent alignment of the shaft centers of rotation does not in itself. Proper shaft alignment is especially critical when the motor is operated at high speeds. Dynamic balancing and alignment uni drive system singapore. In europe the universal joint is often called the cardano joint or cardan shaft, after the italian mathematician gerolamo cardano. Pruftechnik rotalign ultra is operating handbook pdf download. 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.
A practical guide to shaft alignment plant services. Moreover, as the name suggests, 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. With feeler gauge find obvious gaps and fill them with shims, taking care of any rough soft foot condition. A drive shaft, driveshaft, driving shaft, tailshaft australian english, propeller shaft prop shaft, or cardan shaft after girolamo cardano is a mechanical component for transmitting torque and rotation, usually used to connect other components of a drive train that cannot be connected directly because of distance or the need to allow for relative movement between them. Cardan shafts ujoints universal joint shafts gewes. Shaft alignment handbook, third edition, crc press, 2006. The fixturlaser xa is capable of doing this type of alignment using a special bracket set and alignment program. W hether related to motors, pumps or any other types of industrial machinery, shaft failure analysis is frequently misunderstood, often being perceived as difficult and expensive. Despite popular opinion, it is necessary to eliminate angular misalignment of shafts connected by an offset, or cardan, shaft this video from.
Avv711 is a compact laser alignment system offering the benefits of dynamic precision laser shaft alignment with extra features including flatness, straightness, perpendicularity reconciliation, measurement range extension, data quality assessment, auto. 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. Intelligent cardan shaft alignment alignment solutions for all types of cardan shafts with specially designed brackets and new measuring methods, the rotalign ultra is platform allows cardan shafts to be aligned without removing the shaft. The efficiency of laser shaft alignment active clock measurement mode. Laser alignment system shaft alignment tool tksa 41 skf. Care has been taken by the authors, pruftechnik ltd, in the preparation of this publication. Failure analysis of machine shafts efficient plant. We doesnt provide cardan shaft pdf products or service, please contact them directly and verify their companies info carefully. 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. Shaft requirement in a pulp and paper industry range from super heavy duty to medium range cardan shaft. Chapter 11 drive lines, differentials, drive axles, and power. Rotalign touch ex premium ex laser shaft alignment tool.
Qb701 laser alignment system qb701 is designed for the easy and precise measurement of shaft axis misalignment on coupled machines and the calculation of movable machine adjustment required, eliminating misalignment that exceeds permissible tolerances. Easy laser shaft alignment tools precise vibration. One anticipation of the universal joint was its use by the ancient greeks on ballistae. Its name comes from a 16thcentury italian mathematician, girolamo cardano. Shaft alignment methods explained bright hub engineering.
Shaft couplings and universal joints universal joints singleuniversaljointstypesgandh, shafts6to50mm. Cardan shaft drive shaft gear coupling cardan shaft. Cardan shaft series 116 nominal torque ratings in nm, qo at operating speeds, based on 5000 hours life at joint angle 3 degrees or less. We manufacture customized products according to your drawings. The laser is mounted on a rotating frame which simulates the centerline of the non. View and download powerpoint presentations on shaft alignment presentation ppt. Page 6 manual cardan shaft fixture p0208gb alignment procedure preparations. Until pruftechnik came up with the cardan shaft rotating arm bracket, this was a far more complex affair. Technical description cardanshafts concerning the mounting, maintenance and repair of propshafts with flanged joints. Rotalign touch laser shaft alignment systems pruftechnik.
Pc software alignment center is the common pc software platform for all our laser shaft alignment instruments and applications except optalign irv, masterlign, hydralign, system 2 or rotalign touch. Alignment of the shaft is necessary when the motor or driven machinery is new or when it is dismantled due to improper running. On confirmation, the rotalign touch ex device shows up on the file explorer. This cuts the length of each shaft to avoid drive line vibration. Proper alignment eliminates the leading cause of machine breakdown and pays for itself. Standard industry norms for alignment tolerances are cited in table 1. Sign reports electronically signon screen to verify your job. If a manufacturer of a machine or coupling require tighter alignment tolerances, those should be used. Shaft alignment procedure pdf and guidelines for the implementation of good shaft alignment for standard rotating.
Only three steps to the perfect alignment machine shaft alignment with. Products and services adaptive alignment uses singlelaser technology and active situational intelligence to adapt to the asset, the situation, and the maintenance team. File management save measurement files in the device or transfer reports as pdf to a usb memory stick. After removing the cardan shaft the special offset fixture mounts across the coupling flange of the driven machine. Accurate laser shaft alignment of the driver to the driven machine requires that the cardan shaft and its couplings be removed. This machine shaft alignment video presents the concepts of. They are also able to compensate for shaft misalign ment in a torsionally rigid way. Apr 23, 2019 other new features, available for all xt shaft alignment systems, include. Technology that gives the best performance in demanding industrial environments. This section describes the alignment of cardan shafts using the cardan shaft bracket rotalign ultra is shaft lite ali 2. This cardan bracket allows convenient and accurate alignment of machines joined by cardan shafts over separations of up to 10m 33 ft. You dismount the cardan and mount a expensive straight cardan adapter alignment plates, fixture so you get the laser heads looking direct at each other at the center of one shaft and on the plate on the other compensating for any static offset and then you run a standard alignment procedure but only rotating the heads on the fixtures so if it is a huge cardan at a rolling mill it is a real. Aim to have all soft foot readings within 2 mils thou. Find powerpoint presentations and slides using the power of, find free presentations research about shaft alignment presentation ppt.
Cardan shaft bracket for shaft offsets of up to 900mm 3538. File management save measurement files in the device and generate reports as a pdf to a usb memory stick. 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. Common cardan shaft alignment with laser the cardan shaft is removed and a longarm bracket is used to overcome the offset between the machine shaft centerlines. Cardan shafts from gewes offer suitable mechanical drive solutions in nearly all industrial sectors due to their versatile design and their high efficiency. Cardan shafts which are frequently used to compensate for parallel misalignment between driving and driven shafts are often poorly aligned. With two wireless measurement units, large sized detectors and powerful lasers, the instrument performs precise measurements in even the most challenging conditions. Smt machines introduced their industrial power transmission division under the name of cardan shafts india. Cardan offset shaft alignment shaft alignment training. For most machine shafts, however, analysis should be. The tubular design makes the drive shaft strong and light. Grc phase 3 focused on identifying any abnormal loading on the gear, shaft. The drive shaft, also called a propeller shaft, is commonly a hollow steel tube with yokes welded on the end.
A universal joint universal coupling, ujoint, cardan joint, spicer or hardy spicer joint, or hookes joint is a joint or coupling connecting rigid rods whose axes are inclined to each other, and is commonly used in shafts that transmit rotary motion. Ol2r measurement of thermal growth shaft alignment with the vertizontal process. Flir ir camera a shoot a thermal image before and after alignment and include in. With easylaser xt770 you can perform shaft alignment of horizontal and verticallyflange mounted machines, but also align machine trains, measure twist of foundation, soft foot, bearing clearance, and more. Shaft aligning procedure preliminary checks visually check coupling, pipe hangers, base bolts, coupling spacing etc. A cardan shaft is, in the simplest terms, a spacer shaft with a universal joint coupling on each end. General hints assembly, disassembly, maintenance and repair of propshafts should be performed only by qualified personnel.
Measurement can be taken at any 3 or 4 positions and the sensor angular position is automatically considered. Their special considerations call for special tools and approaches. Yoke assembly cardan shaft propeller shaft drive shaft. With over 27 years of manufacturing experience for industrial machinery.
Spicer gwbtm heavy cardan shafts were the first to be developed specifically for diesel locomotives. Custommade, highperformance universal joint shafts. Startech instrument systems brackets for cardan shaft. To take an example, a machine running at 6000 rpm with a 300mm spacer shaft installed would allow a maximum offset of. The main concept of the universal joint is based on the design of gimbals, which have been in use since antiquity.
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