The following safety and common symbols may be used in this manual and on the equipment. This 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. View the machine from the pump end, zero the indicators on the left, and then rotate and read on the right. A practical guide to shaft alignment plant services. Sometimes by using the feeler gages alignments are also carried out. Facerim method two indicator method three indicator method reverse indicator method. Therefore, less accurate methods can be used at slower shaft speed. Xt550 intrinsically safe laser shaft alignment, exatex. It can also be used to convert rotalign ultra is shaft alignment results into the commensurate dial gauge readings. This allows the use of whole numbers and avoids confusing decimals. Visually check coupling, pipehangers, base bolts, coupling spacing etc. Reverse alignment annotated instructors guide module. Complete hardware kit that aligns shaft couplings using the rim and face method. Precision shaft alignment using dial indicators abstract even with the advent of new computerized dial indicator and laser alignment systems, knowledge of the basics of shaft alignment is a must.
View and download navistar international dt 466 service manual online. As mentioned earlier, the reverse dial indicator method of alignment is probably the most popular method of measurement, because the dial indicators are installed to measure the relative position of two shaft centerlines. Correct the run out by your experience and also you can use equal triangles rule. In addition to alignment quality and repeatability problems, it can cause of machinery vibration, reduce life in electric motors, and cause internal clearance problems. Jul 26, 2014 alignment procedure taking alignment readings step no. The xt alignment app runs on most ios and android units, as well as our own display unit xt11. It is not intended as a comprehensive guide to alignment of process machinery, nor is it a substitute for seeking professional advice or. 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. 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. Simple and more accurate method is use of dial gages. Pruftechnik rotalign ultra is operating handbook pdf download.
Dial gauge alignment procedure in covered with detailed animation. Shaft alignment by dial test indicator dti horizontal alignment parallel shaft alignment by dial test indicator dti vertical alignment angular pump motor the indicators are zeroed on the top and read at the bottom record the indicator reading and consider the sag compensation by subtracting it from the recorded reading move the motor to. Dial indicators are an essential tool for maintenance pros. The horizontal move is the part of the alignment process that aligns the shafts centerlines from side to side. Special brackets are available for alignment with locked rotors. 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. Live view supports intuitive measurements and facilitates horizontal and.
Step 4 precision alignment with a dial indicator youtube. The plunger is a spring loaded part that can be depressed into. Comparing parts to a master part during inspection. Shaft misalignment is responsible for as much as 50 percent of all costs related to rotating machinery breakdowns. With the help of dial, mounted on a vertical stand generally refered as height gauge pick up the height of axis line of the motor. Care has been taken by the authors, pruftechnik ltd, in the preparation of this publication. 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.
The procedure for doing reverse dial indicator alignment is not a difficult one. Vemc presents pump motor alignment process with help of dial gauge method for accurate and smooth functioning of machines in your manufacturing units. If there is a difference from end to end, make it equal by shims. The capital cost outlay for a laser system versus a set of dial indicators and magnetic bases is the obvious first. Ensure fixtures are mounted at a position where rotation is possible. Navistar international dt 466 service manual pdf download. Ritec alignment kit is a powerful tool to adjust shafts alignment using dial indicators accurately and easily. Whether you re using a laser alignment system or dial indicators, one set of readings tells you. Shaft alignment and couplings, model 46100 labvolt. 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.
With a loadonpad design, figure 1 the shaft is free to laterally within bearing clearance, and alignment data is difficult to obtain without temporary bearing shims to stabilize the sham with a loadbetweenpad design, figure 1 b, the shaft remains stable during the alignment procedure. Pdf dial indicator alignment procedure hussain vasadwala. Dial indicator alignment procedure the procedure for doing reverse dial indicator. Accsk1d broken coupling alignment kit with dial indicator gauges a basic stainless steel hardware set for taking readings off the coupling rim and face. The plunger is a spring loaded part that can be depressed into the case causing the dial s needle to move clockwise. The skf tksa 11 is the first instrument on the market that uses inductive proximity sensors, enabling accurate and reliable shaft alignment to be affordable for every budget. Automatic lubricators lubricants and grease manual grease dispensing. Dial indicator alignment procedure reliability direct. It is a major cause of repeatability problems with shaft alignment measurements, whether using dial indicators or a laser alignment system. Those who purchase new alignment instruments and hand them out to field technicians who lack the knowledge of alignment fundamentals are often. Vemc presents pump motor alignment process with help of dial gauge method for accurate and smooth functioning of machines in your. How to properly use the dial gauge to determine zposition. Dec 31, 2007 best methode is to use double dial gauge method.
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. Shaft alignment is the process of aligning two or more shafts with each other to within a tolerated margin. Dial indicators are measuring devices designed expressly to measure relative position. It is an absolute requirement for machinery before the machinery is put in service. Skf shaft alignment tool tksa 51 instruction and demonstration duration. The tksa 31 is skfs most affordable solution for easy laser shaft alignment. Special dial indicators series 2 optional accessories. Shaft laser alignment 3 benefits over dial indicators. Then, check the height of pump shaft with the height gauge. Soft foot is a common issue when aligning rotating equipment. Everyone has had shaft alignments that seemed to be possessed.
Improper alignment leads to increase of stresses in the shafts and thus on the equipment, which might result in break down of the machine. Using your own dial indicators, dial indicator we use is a ls starrett, 81141j. If you can afford use laser alignment if you dont have dial gauge,then i. Shaft alignment industrial wiki odesie by tech transfer. For those not doing shaft alignment at all, for the longevity and reliability of your equipment, we highly recommend that you start now. If the face dial contacts the coupling face directly, ensure the plunger of indicator contacts the coupling near its outer edge. Shaft alignment methods explained bright hub engineering. 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. Oct 21, 2016 vemc presents pump motor alignment process with help of dial gauge method for accurate and smooth functioning of machines in your manufacturing units. Pdf basic shaft alignment workbook for industrial rotatin.
Measure shaft and coupling runout, using a dial indicator. Make sure that you always view the pump from the same direction in order for you to keep the left and right directions correct. Produce pdf reports directly from the display unit and. There are many reasons why dial indicators are a viable option to measure alignment. This video gives a brief overview of how dials can be used to measure shaft alignment, and can even be adjusted to show the true. Z to the current z shown in the software and type it in as the new position. This paper is written by a laser alignment iconoclast. For use in exclassed areas, the mobile device youre using must be approved for these areas. A dial indicator should be attached to the shaft and the shaft will be rotated to cover a complete sweep of the seal chamber face. The shaft alignment training course provides a highly practical knowledge of the use of dial gauge in coupling alignment. Rating is available when the video has been rented. Alignment of the shaft is necessary when the motor or driven machinery is new or when it is dismantled due to improper running. Dec 01, 2002 shaft alignment tolerances historically, shaft alignment tolerances have been governed by the coupling manufacturers design specifications.
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. Figure 46 shows the calculation using the cross dial alignment form. Basic information about shaft alignment and coupling stress is also presented. Maximize the sweep distance of the face dial indicator for the geometry of the machine being aligned. Provides manual controls of individual functions in setup and testing. The plunger is a spring loaded part that can be depressed into the case causing the dials needle to move clockwise. Its flexible components are intended to cater for different shaft dimensions and coupling configurations.
Dec 22, 2014 for those currently using dial indicators without the budget to throw down on a laser alignment system, the free lovejoy dials app will help provide some of the automated calculation benefits of using laser tool. Instruction manual thank you for purchasing the niigata seiki dial gauge. Under the indicator position mark the point that is half the indicator reading. With different types of fixtures extended across the coupling, the shafts are rotated to. 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. Use the straight edge for radial runout and feeler gauge for. When using this form, you may find it convenient to use mils instead of thousandths of an inch. Alignment is important, but we can get away with the least accurate method. Using a square grid graph paper to illustrate the position. Alignment rotating equipment free download as powerpoint presentation. A typical pump in an hvac application requires a fourpole motor 1,750 to 1,800 rpm, depending on slip. The primary parts of a dial indicator are the face or dial, the case, and the plunger.
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