Spin the outer face until the hand hovers over zero. The vblock mounting clamps are 78 wide and supplied with chain to accommodate shafts from. The primary parts of a dial indicator are the face or dial, the case, and the plunger. Although it is not any more accurate, it is a much faster method of alignment. Insert the feeler gauge between the coupling faces of the shafts.
Step 4 precision alignment with a dial indicator youtube. Probe indicators typically consist of a graduated dial and needle driven by a clockwork thus the clock terminology to record the minor increments, with a smaller embedded clock face and needle to record the number of needle rotations on the main dial. Those who purchase new alignment instruments and hand them out to field technicians who lack the knowledge of alignment fundamentals are often. Turn the outer dial face until the hand points to 0. A test indicator measures the deflection of the arm, the probe does not retract but swings in an arc around its hinge point. 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. Shaft alignment is a procedure of determining and adjusting the relative position of two connected machines so that the rotational centres of the shafts are collinear. A major advantage of laser alignment tools is their accuracy. While dial indicators offer an excellent shaft alignment solution for many applications, for those looking for a best in class solution, laser shaft alignment tools are available. The rim dial indicator is used to measure offset in one plane along the shaft length and. Cross dial cross dial alignment is another method of achieving the same results as the rim and face method. Visually check coupling, pipehangers, base bolts, coupling spacing etc.
The mathematical formula for calculating adjustments to properly align a shaft using the reverse double dial indicator alignment method follows a basic rise over run geometric principle. Aug 20, 2014 instructional video on how to use the lovejoy dial indicator kit with the free lovejoy dials app. Dial indicator calibration procedure memorial university. Pdf virtual pivot alignment method and its influence to. This alignment method requires collecting a measurement points at any 3 of the 4 predefined clock positions. There are several steps which need to be taken for a successful alignment job. The dial has fine gradations for precise measurement. True measurement dial reading x compensation value examples if a 0. The contact point of dial gauge and sphere moves when the sphere position changes, hence the variation of dial gauge is. On the other hand, as the dial gauge 15 applied to the axis alignment tool 10 according to the present invention, a dial gauge 15 that is commercially available is selected and used. Special dial indicators series 2 optional accessories. Laser shaft alignment tools, vlsat laser shaft alignment. Shaft laser alignment 3 benefits over dial indicators.
In this method two dial indicator rim and face dial are used to determine the relative position of movable shaft with respect to stationary shaft. Dial gauge alignment method pdf download linkmilcho. The alignment gauge has five basic components, a base, an upright member and three dial indicators. The plunger is a spring loaded part that can be depressed into the case causing the dials needle to move clockwise. Here you can download the pdf template of the tksa 20 shaft alignment report, which can be used for documenting of your alignment activities. Several equipment alignment methods, especially the reverse dial indicator method, which is the principle used in laser alignment is covered in explicit detail. 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. The degree to which displayed dial indicator readings vary for successive measurements ofthesamereference. The shaft alignment training course provides a highly practical knowledge of the use of dial gauge in coupling alignment.
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. Clean the dial indicators measuring surfaces and stand, the granite plate, an d the gauge blocks to be used. Cardan offset shaft alignment shaft alignment training. With a focus on the core alignment tasks, the tksa 11 is designed to be a very easytouse instrument that is especially suitable for alignment learners and compact applications. Pruftechnik rotalign ultra is operating handbook pdf download. Mar 29, 2019 turn the outer dial face until the hand points to 0. Dial indicator alignment basics alignment knowledge. Rim and face alignment method are oldest method used for shaft alignment of misaligned equipmentshaft. Lovejoy does not sell laser alignment tools, but we do sell a dial indicator kit. The procedure for doing reverse dial indicator alignment is not a difficult one. Alignment rotating equipment free download as powerpoint presentation. A practical guide to shaft alignment plant services. Instruction manual thank you for purchasing the niigata seiki dial gauge. Ritec alignment kit is a powerful tool to adjust shafts alignment using dial indicators accurately and easily.
Pdf basic shaft alignment workbook for industrial rotatin. Adial indicator used for standard laboratory orfieldapplications. Rating is available when the video has been rented. Z to the current z shown in the software and type it in as the new position. Jul 26, 2014 alignment procedure taking alignment readings step no.
Various accessories such as interchangeable contact points and different size stems. The free lovejoy dials app can be found by searching for l. The dial indicators are fastened along the top of the base, one at the center and one to each side of the center. Standards and equipment used must have a valid calibration certificate. All our alignment systems allow to perform the alignment with two methods. Performs pivoting calculations for reverse indicator method. Your calibration measurements will ensure that the dial indicator does read measurements starting at zero. Dial gauge alignment procedure in covered with detailed animation.
Dial gauge shaft alignment, electronic mechanical alignment. 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. Indicator distance amplifying instrument wikipedia. The springloaded probe or plunger moves perpendicularly to the object being tested by. Read more dial gauge alignment method pdf download. A dial test indicator, also known as a lever arm test indicator or finger indicator, has a smaller measuring range than a standard dial indicator. An embodiment of the present invention configured as described above will be described with reference to fig. 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.
Shaft alignment industrial wiki odesie by tech transfer. 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. How to properly use the dial gauge to determine zposition. If you discover errors, you will be able to correct for them by. Dial indicator alignment basics dial indicators are measuring devices designed expressly to measure relative position. Reverse dial indicator alignment procedure machines. The readings on the feeler gauge are checked at four points on the shaft coupling.
Try to put the stem of dial gauge perpendicular to the surface of coupling. This paper covers fourdial gage method, which overcome all typical reasons of unsuccessful and difficult alignments, which are observed in thermal power stations coal handling plants. The simple 5step alignment process is so intuitive that most users can start performing laser alignments right out of the box. This alignment method allows you to begin collecting measurement points at any angle of shaft rotation and automatically collects a measurement anytime you stop. Instructional video on how to use the lovejoy dial indicator kit with the free lovejoy dials app. An alignment gauge to facilitate the measurement of welded joints and the alignment of elongated structures including beams, pipes, rails, such as train rails and trolley car rails. Vemc presents pump motor alignment process with help of dial gauge method for accurate and smooth functioning of machines in your. Reverse dial indicator alignment procedure free download as pdf file.
The goal of this method is to provide the technician with the recommended approach for the quickest way with quality alignment. The alignment training is suitable for technicians undertaking machine alignment, coupling alignment, motor alignmnet, pump alignment, etc. Reverse alignment annotated instructors guide module. Moreover, the oring sealing method used for the bezel prevents water or oil penetration. The outer dial face can be moved by twisting the rim of the dial. Laser shaft alignment tools, manufacturer, supplier. Used with a magnetic base or indicator stand, this gauge will show the difference in position from a zero point set at a reference position. Care has been taken by the authors, pruftechnik ltd, in the preparation of this publication. The dial gauge 0is graduated from 0 to 900 in four quadrants as shown in figure below. The plunger is a spring loaded part that can be depressed into. In this method, enter the radius of the axial gauge from the shaft.
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. Dial indicators are measuring devices designed expressly to measure relative position. Shaft alignment training course ppt presentation and. By following this principle, the alignment of machinery can be easily accomplished using the formulas.
Ol2r measurement of thermal growth shaft alignment with the vertizontal process. The reason for this is that both angular and parallel misalignment can both be corrected for at the same time. Shaft alignment methods explained bright hub engineering. A simple and effective procedure for doing shaft alignment of rotating machinery. Live view supports intuitive measurements and facilitates horizontal and vertical. Tester for inspecting the accuracy of dial indicators. After the feeler gauge is put, both couplings are rotated half way simultaneously. Its flexible components are intended to cater for different shaft dimensions and coupling configurations. It can also be used to convert rotalign ultra is shaft alignment results into the commensurate dial gauge readings. The plunger is a spring loaded part that can be depressed into the case causing the dial to move clockwise. Useful both for alignment and for measurement purposes. 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. Perform reverse dial indicator alignment, using the mathematical equation. Step in english 1 testy pdf download, cursive writing book pdf free download 3d39b66ab9 use of english 1 hr 30 mins.
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