Choosing relevant thickness should be based on adjustment amount. Scrap iron and rag are eliminated to increase contact area. These steps are broken up for easier navigation on the web. Stow them properly on the prime mover making sure that the connectors are kept free. Uncoupling by diane vaughan, 1990, vintage books edition, in english vintage books ed. This procedure, the four easy steps to good shaft alignmentis simple. Clean up all spills in accordance with safety and environmental procedures. Operational procedural training sutherlands transport. Always check the shaft alignment with all the piping in place. May 01, 20 this shaft alignment report happens to be from a fixturlaser nxa professional but all alignment reports should contain similar information in an easy to understand format. Within five 5 days after discovering a problem with your p. With the unicoupling you connect pipes the easy way. The objective of optimized shaft alignment is to increase the operating life span of rotating machinery. This procedure allows sufficient access space between the tractor unit and trailer to enable the air and electrical services to be connected.
Misalignment is easily detected with a straight edge and using a. The most common examples of this configuration is a horizontal. The proper shaft alignment procedure is to secure the. The mg coupling joint strength is derived from tightening the stainless steel nuts and bolts to 175 inch pounds torque. The companies featured in the following listing offer a comprehensive range of coupling alignment systems, as well as a variety of related products and services. Moreover the uni coupling can be installed fast and thanks to the wide range, it can eff ortlessly connect diff erent types of pipes with various outside diameters. With feeler gauge find obvious gaps and fill them with shims, taking care of any rough soft foot condition. The purpose of this document is to provide the project manager, sponsors, steering committee members and all other stakeholders with the standard process for managing changes on the project name project. Installation, operation, and maintenance manual goulds pumps. The general attachment and alignment methods and allowable values are presented below. As a refresher, the alignment condition of two machines is defined by the angularity in mils1.
Aim to have all soft foot readings within 2 mils thou. Learn vocabulary, terms, and more with flashcards, games, and other study tools. The scope of the project name has been defined in the approved project charter. Nmr methods to measure residual longrange protoncarbon dipolar couplings in aligned anisotropic media. When the centerlines of their rotating shafts dont match up perfectly, it can lead to wasted power, accelerated component wear, and even the equipment failures the following are the most prevalent causes. The first stage of the procedure involves the connection of the trailer to the 5th wheel whilst it is located rearward of the normal design developments. It is incorrect to define alignment tolerances in terms of correction values at the machine feet. Welcome to the premier industrial source for coupling alignment systems. In most cases a quick glance at the table will tell whether coupling misalignment is allowable or not. If the coupling hubs have not been installed, see that shaft. Straight edge can be used to measure relatively short center distance, while tape measure can be used for longer distance. To provide an overview of alignment, the discus sion in this. Most maintenance personnel understand that documenting a precision shaft alignment is a good idea, but dont always understand how to interpret the data. Pdf basic shaft alignment workbook for industrial rotatin.
Mg coupling the cast iron coupling for joining the hubless. 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. For a flexible coupling to accept both parallel and angular misalignment there must. Ucps are anchored in the inner membrane and compete with the f 0 f 1atp synthase for the proton electron gradient built up by the activity of respiratorychain complexes i, iii, and iv. Pdf alignmentinsensitive coupling for plcbased surface. Better than a threaded connection, quicker than a welded connection and safer than a flanged connection. In practice, proper alignment is difficult to achieve without using alignment equipment such as dial indicators or laser alignment tools to check and correct for misalignment.
Prior to the actual alignment procedure, it is essential that. If the shaft is misaligned, you must realign the unit to prevent shaft breakage and damage to bearings, pump casing wearing rings, and throat bushings. With the smartcoupling, the physical connection is completely eliminated. The proper alignment of a vertical shaft hydrounit is critical to trouble free. Some features include horizontal, vertical and flangemounted, rs5 technology, horizontal and vertical move simulators, automatic measurement, data protection, multipoint mode, rechargeable battery, environmental vibration monitoring, optional brackets and dustproof transducers. You enter the measurements required by the program and the program reports the amounts of. They are designed to handle almost no parallel shaft misalignment, and only minimal angular misalignment as called out in the lovejoy grid coupling rating chart and the coupling preselection guide below. The procedure for doing reverse dial indicator alignment is not a difficult one.
When you install or assemble pumps driven by electric motors, make sure the unit is aligned properly. The mg coupling is designed to provide maximum joint strength and corrosion resistance in both above grade and below grade hubless cast iron sanitary systems. Make sure the probe of the dial indicators touch a smooth surface on the rim of the coupling hubs. Alignmentaccurate alignment is vital to the operating life of rotating equipment. This manual provides instructions for the operation. There are several steps which need to be taken for a successful alignment job. Operational procedural training safety awareness is the key to our future. Connect and disconnect electrical and air lines properly. How to use the shaft alignment program 1 print the data entry form or enter data onsite to the computer. Designers in choosing a shaft coupling, the first should be already set for the national standards, mechanical industry standards, and won the national patent in the coupling of choice, only in the existing standard coupling and patent coupling coupling cant meet the design need to need to own design. With the uni coupling you connect pipes the easy way. This shaft alignment report happens to be from a fixturlaser nxa professional but all alignment reports should contain similar. With one end of the coupling attached, align the equipment well enough to assemble the opposite.
As an example, a machine with a short flexible coupling running at 1800. Secure the trailer to prevent it from moving while coupling and uncoupling. Shaft alignment is process of position two or more shafts that centre lines of rotating shafts, form a single line when the machines are working at normal. Nmr methods to measure residual longrange protoncarbon. View the thermal movement alignment procedure instructions. They are present in all eukaryotes investigated except yeast, and their physiological roles are still under investigation and. Permissible alignment errors 4 elflex pin and bush flexible couplings installation of hubs 6 installation removal of hubs with taper lock bushes 6 shaft alignment 7 9. Hydro generator aligning the objective of alignment is simple. An index alignment technique was developed for a planar lightwave circuit platform. Alignment procedure aline precision reverse alignment tools. Installation and adjustment of grid couplings china suoda. Align the tractor properly to connect with the trailer. How to compensate for coupling face wobble or distortion. Back the tractor properly to the trailer to prevent damage.
Shaft alignment training ppt presentation slides sample. The proper shaft alignment procedure is to secure the driven equipment first, and then install the coupling to. Nominal pipe size a coupling od in pounds b coupling length c threads per inch approx. Precision alignment is an essential part of a proactive reliability program. Change control process university of california, berkeley. A practical guide to shaft alignment plant services. Shaft alignment procedure mantenimiento planificado. It is not intended as a comprehensive guide to alignment of process machinery, nor is it a substitute for seeking professional advice or.
For reliable adjustment and improving alignment accuracy, adjusting face should be cleaned up at first. Our objective is to identify a simple shaft alignment procedure that can be followed for. It is fully understood that powder inside the coupling shroud. If spacer is unsupported, damage to the flex elements may result. Features reduces rod seal and bearing wear prevents binding and erratic movement caused by misalignment permits a greater tolerance between cylinder centerline and mating member works equally well in. The reason why simple foot alignment is not enough is because absolute perfection in the alignment of shafts is not realistically possible, nor is it even needed. Rotate the couplings so that the dial indicator 1 is at the 12 oclock position and the dial indicator 2 is at the 6 oclock position. May 07, 2007 in practice, proper alignment is difficult to achieve without using alignment equipment such as dial indicators or laser alignment tools to check and correct for misalignment. Visually check coupling, pipehangers, base bolts, coupling spacing etc. Moreover the unicoupling can be installed fast and thanks to the wide range, it can eff ortlessly connect diff. Thermal movement aline precision reverse alignment tools. Permissible alignment errors 4 elflex pin and bush flexible couplings installation of hubs 6 installation removal of hubs with taper lock bushes 6 shaft alignment 7 9 pin and bush installation 9 maintenance 10 elign gear couplings hub assembly 12 shaft alignment sleeve connection lubrication 15 maintenance 16.
Disconnect the air hoses and electrical cables from the trailer. Care has been taken by the authors, pruftechnik ltd, in the preparation of this publication. A practical guide to pulley alignment plant services. Dec 15, 2014 grid couplings are very sensitive to misalignment. Coupling alignment and shaft alignment in power transmission, a coupling alignment is a device used to connect two or more machine shafts together for the purpose of transmitting power. Coupling design factors in many variables, such as horsepower, load, specific gravity, head pressure, torque, shaft sizes, safety factors etc. The second stage involves reversing the tractor unit closer to the trailer and then engaging the 5th wheel in its normal travelling position. The technique was successfully applied to the hybrid integration of a spotsize converted laser diode on the.
Refer to drivercouplinggear manufacturers installation and operation. Incorrect sprocket attachment can have a major impact on the smooth operation of the roller chain, and can cause eccentric load on the chains, greatly shortening their service life. Here is a quick primer on how to read a typical alignment report. Distributor of laser shaft coupling alignment systems. An essential component of any successful alignment procedure is the. Uncoupling proteins ucps belong to the mitochondrial anion carrier protein family. Reverse indicator alignment tools for alignment of pumps, motors, couplings and shafts by aline. The standard provides a holistic approach to the shaft alignment process. Shaft alignment is the process of aligning two or more shafts with each other to within a tolerated margin. Place the rix uncoupling tool down between the cars until the magnets rest against the rails, push one of the cars towards the other and the two magnets will cause the couplers to release. You enter the measurements required by the program and the program reports the amounts of shim and radial movement required to correct shaft alignment.
If your dealer cannot repair the problem free of charge and you want. Uncoupling protein an overview sciencedirect topics. Between two shafts and occurs at the coupling between the generator and turbine. Alignment is achieved by measuring and adjusting the positioning of the rotational centers of the shafts such that they are colinear with the machines under normal. The goal is to minimize any coupling strain, and ensure. Pump alignment report format free download as word doc. Compensation washers are general adopted, and thickness consists of a set of 0. See shaft alignment basics 3 write data on the form, or enter it in the program on the computer.
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