These are the features you would normally only find in more expensive systems. The original function of a flexible coupling was to. Xt770 the complete shaft alignment system easylaser. Starting with our groundbreaking safehull software in 1993, abs offers valuable software tools for engineers, designers, owners and shipyards to assist with assessing stability and structural integrity in design, as well as enhance safety and reliability in service. The eco comes with wireless sensor units, a 4 color display, rechargeable batteries and an ip65certified design that can withstand harsh environments. Collected data is to be applied in the abs shaft alignment optimization software to provide a basis for more robust shaft alignment design which will be less susceptible to the alignment. With two wireless measurement units, large sized detectors and powerful lasers, the instrument performs precise measurements in even the most challenging conditions. Collected data is to be applied in the abs shaft alignment optimization software to provide a basis for more robust shaft alignment design which will be less susceptible to the alignment condition change during the operation of the vessel. Used in ship repair, service, consulting, new builds. Applicable to all models with wheel speed sensor and reluctor ring, including. The primary and optional data entry windows intuitively tells you.
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 with a focus on the core alignment tasks, the. It will also highlight the recent developments in shaft alignment analytical methods. The fixturlaser nxa pro aims to provide the user with a fast and simple operation, as well as having access to advanced functions and capabilities, such as the omniview and the vertizontal moves. Bmw traction control abs dsc dtc issue or loss of engine. Abs published a guide for enhanced shaft alignment to provide direction to owners and operators who are to perform a more detailed shaft alignment analysis and installation assessment. Abs 218 guide for enhanced shaft alignment engineering360. Make calculations based on physical dimensions and dial indicator input with this intuitive windows software for all of your alignment jobs. Shaft alignment does shaftdesigner take into account external loads and gravity. The laser shaft alignment system with enhanced measuring and reporting the tksa 41 is an advanced laser alignment solution for achieving accurate shaft alignments. He is a level i vibration analyst asnttc1a certified, trained on abs shaft. Thats why the shaft alignment software was designed to help walk you through the stepbystep process of aligning your rotating machinery. It is now also possible to email measurement reports from the xt11. 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.
Easylaser e540 is a powerful shaft alignment system, offering the ideal balance between performance and price. Easylaser xt770 dual dot laser shaft alignment system. It even works with offbrand dialbased alignment system. Jun 07, 2004 abs conducts hull deflection measurements to obtain information on expected behaviors of the hull structure under different sea conditions and inputs the data into the shaft alignment optimization. Xt660 new generation shaft alignment system easylaser. Loss of power to engine, sudden braking, no acceleration, jerky drive. Lloyds register emeas technical investigations provides a. Alignment procedure an executable part of the alignment. An update to the abs guidance notes on propulsion shafting alignment has been released this month. The ergonomic display unit with intuitive touch screen navigation makes your alignments. Starting with our groundbreaking safehull software in 1993, abs offers valuable software tools for engineers, designers, owners and shipyards to assist with assessing stability and structural integrity in design, as well as enhance safety and reliability in. Abs shaft alignment software 10 figure 3 stern tube bearing contact analysis screenshots from. The terminology and requirements for shafting alignment.
Abs technical papers 2005 hull deflections shaft alignment. Alignment software discontinued alignment manager for windows v2. The eco comes with wireless sensor units, a 4 color display, rechargeable batteries and an ip65certified. Shaftdesigner is a userfriendly multiproject, multi shaft and multistate 3d computer aided engineering system for ship propulsion train calculations and uses a base model to calculate. Correlation between measurements and calculations for various shaft alignment conditions is to be verified at all stages of the process. Large ship hull deflections impact the shaft alignment. It is now possible to set intervals and time periods in order to register measurement values automatically in the value program. Cardan shaft software the offsetcardan shaft application, when combined with the offsetcardan fixtures sold separately, allows the aligner to eliminate angular. Export single member analysis reports in an easy and professional format to pass on. The fixturlaser nxa geometry packages are characterized by their user friendliness and versatility. Integrated bluetooth lifetime warranty premounted sensors 4 fullcolor screen integrated vertizontal software screen flip 8 hours of. The responsibility of the classification society is to. Proper shaft alignment is especially critical when the motor is operated at high speeds.
Responding to industry need, abs has investigated the hull deflections effect on the shaft alignment, conducting measurements on a large number of vessels and using the information to develop a state. These notes address significant aspects of the alignment process and are a valuable addition to better. The shaft alignment problem is related to the propulsion shafting sensitivity to small disturbances in the supporting bearing. Abs publication guidance notes on propulsion shafting alignment 2004, can be downloaded from. Export single member analysis reports in an easy and professional format to pass on to your client or fellow engineer. Propulsion shaft alignment method and analysis for surface. Abs launches enhanced shaft alignment guide safety4sea. The tksa 41 is an advanced laser alignment solution for achieving accurate shaft alignments. Oct 31, 2017 other new features in the xt alignment app. Lloyds register emeas technical investigations provides a comprehensive range of measurement and advisory services to help owners, operators and yards to help to ensure that the best.
Understand shaft alignment and the processes involved. These notes address significant aspects of the alignment process and are a valuable addition to better understanding shafting alignment practices, problems and solutions for vessels. Allowing you to solve more complex shafts with more loads, bearings and stress concentrations. In nauticus machinery shaft alignment these effects can be carefully considered when designing an optimal shaft line in order to avoid problems in operation. Applicable to all models with wheel speed sensor and reluctor ring, including e81. Dec 01, 2002 shaft alignment tolerances historically, shaft alignment tolerances have been governed by the coupling manufacturers design specifications. In practice, proper alignment is difficult to achieve without using alignment equipment such as dial indicators or laser alignment tools. Laser alignment system shaft alignment tool tksa 41 skf.
The model considered is a 60 m long shafting system of a ship consisting. Propulsion shafting alignment is a process that consists of. Abs conducts hull deflection measurements to obtain information on expected behaviors of the hull structure under different sea conditions and inputs the data into the shaft alignment. They contain software for straightness and flatness measurements. Abs shaft alignment software 10 figure 3 stern tube bearing contact analysis screenshots from optimized double slope design from dry and fsi fea. With skf s proprietary stateoftheart shaftdesigner software you can quickly and easily calculate shaft and propeller alignment.
Founded in 1862, the american bureau of shipping abs is a marine and offshore classification. Founded in 1862, the american bureau of shipping abs is a marine and offshore classification services society. It can also measure machine trains, measure base twist, soft foot, bearing clearance and more. Abs academy training center american bureau of shipping. Yes, shaftdesigner calculates gap and sag figures for uncoupled shafts. The easylaser e420 is an entry level laser systems for shaft alignment. In order to achieve the above objective, abs is conducting a series of hull girder deflection measurements on a number of vessels of different types and sizes. A revolution in shaft alignment as well as a revolution in usability with the fixturlaser nxa pro a digital laser based shaft alignment system. This paper presents a comprehensive alignment analysis process for a long shafting system. Standard industry norms for alignment tolerances are cited in table 1. Tksa 11 makes shaft alignment easier and more affordable skf.
Shaft alignment is the process of adjusting the relative position of two coupled machines such that the centerlines of the respective shaft form a straight line when the machine is running at normal. The design and analysis the alignment procedure measurements and verification. Fixturlasers shaft alignment products are available in more than 70 countries. Yes, shaft deflection is measured in shaftdesigner as a result of external loads and gravity. The length of the bearing, next to and supporting the propeller, is to be not less than four times the required tail shaft diameter. Its alignment program guides you stepbystep through the alignment process, making the. Introduction the main propulsion shaft line is the essential part of a modern ship propulsion system, exposed to various conditions throughout the ships lifetime. The 2 axis psds position sensitive detectors permit adjustment of your machine. This paper presents an approach to determine the changing displacement of the propulsion shaft due to the vessels hull deflection. Minimize wear, production stoppages and unnecessary costs with shaft alignment. 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. Rugged tablet pc, fullfeatures software license, upgraded brackets. Once the measurements of a machine are retrieved, the readout on a pinpoint laser alignment system is downloaded into pinpoints capture alignment software that details what the. The abs suite of engineering software for maritime and offshore industries allows you to quickly assess compliance with abs requirements.
Shaft alignment tolerances historically, shaft alignment tolerances have been governed by the coupling manufacturers design specifications. The terminology and requirements for shafting alignment vary depending on the type of the system analyzed propulsion, genset, etc. Shaftdesigner great software to calculate shaft alignment, torsional, axial and whirling vibration. It is an absolute requirement for machinery before the machinery is put in service. The length of the bearing, next to and supporting the propeller, is to be not less than four times the required tailshaft diameter. The easylaser xt770 performs shaft alignment of horizontal and verticallyflange mounted machines. The model considered is a 60 m long shafting system of a ship consisting of 10 bearings, one gearbox and one main engine. Abs says large ship hull deflections impact the shaft alignment. American bureau of shipping the shaft calculation software. Alignment procedure an executable part of the alignment process where alignment is performed in accordance with the defined requirements.
Stephen brings over 25 years of rotating machinery experience to datum rms as a manager and a senior service engineer. 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 with a focus on the core alignment tasks, the tksa 11 is designed to be a very easytouse instrument is especially suitable for alignment learners and compact applications. Laser shaft alignment the shaft alignment process or procedure which is often also called coupling alignment, is a method frequently adopted by maintenance departments to ensure two or more. For more than 20 years of experience in the field of laser alignment, condition monitoring, thermal scanning and maintenance of rotating machineries, hemtech philippines is your trusted supplier and service provider. Responding to industry need, abs has investigated the hull deflections effect on the shaft alignment, conducting measurements on a large number of vessels and using the information to develop a state of the art alignment optimization software. This twoday course will cover key elements of shaft alignment theory and practice. Easylaser e420 is an entry level shaft alignment system, with features you would normally only find in more expensive systems. Citeseerx document details isaac councill, lee giles, pradeep teregowda. Its alignment program guides you stepbystep through the alignment process, making the system very easy to use, regardless of prior alignment knowledge. Abs says large ship hull deflections impact the shaft. For more than 20 years of experience in the field of laser alignment, condition monitoring, thermal scanning and maintenance of rotating machineries, hemtech philippines is your trusted supplier. The society is headquartered in houston, texas with worldwide offices in uk, singapore and china.
The readings are used to set target values for the shaft alignment that will ensure that the shafts come into alignment once the machine has reached its running temperature. Abs has also released guidance notes on propulsion shafting alignment to provide detailed information. Shaftdesigner the shaft calculation software by imt. In practice, proper alignment is difficult to achieve. Shaft alignment is the process of aligning two or more shafts with each other to within a tolerated margin. The eco is an affordable precision instrument created specifically for horizontal shaft alignment.
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