The purpose of this procedure is to provide general instructions for the calibration of dial test indicators. 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. 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. Z to the current z shown in the software and type it in as the new position. The best method for putting the coupling halves in final accurate alignment is by the use of a dial indicator. Its flexible components are intended to cater for different shaft dimensions and coupling configurations. Although it is not any more accurate, it is a much faster method of alignment.
Spin the outer face until the hand hovers over zero. 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. All standard dial test indicators used to measure, gage, test, inspect and control part compliance to customer specifications and drawings. Ol2r measurement of thermal growth shaft alignment with the vertizontal process. The geometric or dimensional aspects of an extrusion press are fundamental to proper press alignment, which is required for maximum production quality and information in this chapter is largely derived from the following papers. Care has been taken by the authors, pruftechnik ltd, in the preparation of this publication. Standards and equipment used must have a valid calibration certificate.
Proper alignment of rotating equipment has long been. Live view supports intuitive measurements and facilitates horizontal and vertical. Several equipment alignment methods, especially the reverse dial indicator method, which is the principle used in laser alignment is covered in explicit detail. Attach a rim dial indicator with the plunger centered for equal positive and negative.
Polished chrome control arm, infinitely adjustable for exact alignment travel dial indicator from 0. Instruction manual thank you for purchasing the niigata seiki dial gauge. To document asfound results, use a format similar to that shown below. Ritec alignment kit is a powerful tool to adjust shafts alignment using dial indicators accurately and easily. Comparing parts to a master part during inspection. Read this entire procedure before beginning the calibration. Rest the tip of the plunger directly on the surface plate. To make it easier to read, the dial will often have a longer line for the 5 mark between each. Reverse dial indicator alignment procedure free download as pdf file. Clean the dial indicators measuring surfaces and stand, the granite plate, an d the gauge blocks to be used. Verdict gauge limited, cobbs wood industrial estate, hilton road, ashford, kent tn23 1ew. Reverse indicator method alignment and couplings 3 the reverse indicator method is another shaft alignment method.
Rim dial indicator readings and offset misalignment. There are several steps which need to be taken for a successful alignment job. 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. The primary parts of a dial indicator are the face or dial, the case, and the plunger. Mar 29, 2019 turn the outer dial face until the hand points to 0. 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. In this method, enter the radius of the axial gauge from the shaft. Reverse dial indicator method often requires the machines to be uncoupled to perform alignment. A practical guide to shaft alignment plant services.
Raise and lower the plunger two more times to check. 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. Vemc presents pump motor alignment process with help of dial gauge method for accurate and smooth functioning of machines in your manufacturing units. The skf tksa 11 is the first instrument on the market that uses inductive proximity sensors, enabling accurate and reliable shaft alignment to. A laserdriven shaft alignment device allows one to adjust alignment with far more speed and accuracy than with traditional methods. 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. Shaft alignment training course ppt presentation and. Your calibration measurements will ensure that the dial indicator does read measurements starting at zero. 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. Adial indicator used for standard laboratory orfieldapplications. The dial has fine gradations for precise measurement. The springloaded probe or plunger moves perpendicularly to the object being tested by. A test indicator measures the deflection of the arm, the probe does not retract but swings in an arc around its hinge point. Apr, 2014 shaft alignment training with vibralign professional trainer stan riddle.
The procedure for doing reverse dial indicator alignment is not a difficult one. For this training, you will perform the alignment with the shafts uncoupled and the indicators mounted in direct contact with the rim and face of the movable shafts coupling. A popular method used for years and is still in use today is the rim and face method. 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. True measurement dial reading x compensation value examples if a 0. This method produces acceptable results, but is less accurate than the reverse dial indicator method covered in this application note. Rim and face alignment method are oldest method used for shaft alignment of misaligned equipmentshaft. In this case, each line on the dial is worth one millimeter. If indicator moves away form zero, place the amount of shims that will slide under that foot.
Lovejoy does not sell laser alignment tools, but we do sell a dial indicator kit. Thank you for shopping with mitchell instrument company 2875 scott st. It is not intended as a comprehensive guide to alignment of process machinery, nor is it a substitute for seeking professional advice or. The vertical move is the part of the alignment process that aligns the two shafts. Pruftechnik rotalign ultra is operating handbook pdf download. Perform reverse dial indicator alignment, using the mathematical equation. 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. Dec 22, 2014 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. Stan shows you how to perform an alignment in just one or two moves using dial. To determine offset misalignment, divide the tir by two and determine whether the movable. Visually check coupling, pipehangers, base bolts, coupling spacing etc.
The rimface method is recognized as the oldest method of shaft alignment. Wall thickness gauge dave manson precision reamers. 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. The vblock mounting clamps are 78 wide and supplied with chain to accommodate shafts from. The reason for this is that both angular and parallel misalignment can both be corrected for at the same time. It uses two dial indicators, one on each shaft, to measure the parallel and angular misalignment as shown in figure 21. A rough alignment is necessary due to the range limitations of the dial indicators. When the alignment is correct, the foundation bolts should be tightened evenly but not too firmly. To perform the alignment test on the lathe machine apparatus.
The use of dial indicators for the vast majority of shaft alignment tasks where a. How to properly use the dial gauge to determine zposition. Dial indicator calibration procedure memorial university. The tksa 51 shaft alignment tool provides high measurement flexibility. Retighten bolt and make sure the dial indicator needle does not move. Special dial indicators series 2 optional accessories. Clean, dress up and file any burrs from mounting faces and anchor bolt holes. Dial indicators are one of the primary measuring tools used in precision engine building. A major advantage of laser alignment tools is their accuracy. Dial indicators are measuring devices designed expressly to measure relative position.
They are named for their clocklike faces, which consist of numbers arranged in a circle which a dial points to. If you discover errors, you will be able to correct for them by. Dial gauge alignment procedure in covered with detailed animation. Use of the wall thickness gauge having checked that the indicator is zeroed, a barrel to be measured is held in the right hand and the plunger held far enough off the contact ball with the left to allow the barrel to be slipped over the contact arm. Measuring force with lug flatback mm mm mm mm n series 2. Secure or prepare the documents upon which alignment.
Shaft alignment training with vibralign professional trainer stan riddle. Reverse dial indicator alignment procedure machines. Cardan offset shaft alignment shaft alignment training. The dial gauge 0is graduated from 0 to 900 in four quadrants as shown in figure below. 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. The outer dial face can be moved by twisting the rim of the dial. Cross dial cross dial alignment is another method of achieving the same results as the rim and face method. Shaft alignment industrial wiki odesie by tech transfer.
Shaft laser alignment 3 benefits over dial indicators. Describe the cross and reverse dial alignment methods. The goal of this method is to provide the technician with the recommended approach for the quickest way with quality alignment. Stan shows you how to perform an alignment in just one or two moves using dial indicators and the vertizontal compound.
However our system is engine shaft is roatted and compressor shaft is stationary, as the coupling is fixed after carrying out the alignment procedure. For example, on something like a dial caliper indicator, the printed numbers on the dial will range from 0 to 100 in increments of 10. Professional measurement and alignment system for rotating machines. The plunger is a spring loaded part that can be depressed into the case causing the dial s needle to move clockwise. This method produces acceptable results, but is less accurate than the reverse dial indicator method covered in this application. They are typically used to measure deck clearances, crankshaft thrust and straightness, lifter travel and other measurements that involve the distance between two surfaces or small amounts of component travel. Dial indicator alignment basics dial indicators are measuring devices designed expressly to measure relative position. Performs pivoting calculations for reverse indicator method.
Those who purchase new alignment instruments and hand them out to field technicians who lack the knowledge of alignment fundamentals are often. 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. Reverse alignment annotated instructors guide module. Indicator distance amplifying instrument wikipedia. The degree to which displayed dial indicator readings vary for successive measurements ofthesamereference. Fixture mounting procedures are obviously dependent on the specific type of hardware being used. A dial indicator figure 9 can assist in determining alignment within 0.
The shaft alignment training course provides a highly practical knowledge of the use of dial gauge in coupling alignment. The plunger is a spring loaded part that can be depressed into the case causing the dial to move clockwise. It can also be used to convert rotalign ultra is shaft alignment results into the commensurate dial gauge readings. Laser alignment method laser alignment methods are a marked improvement on traditional ones. Lower the plunger onto the surface of the gauge block. Dial indicators are precision measurement instruments used to measure the alignment of a machines components or the general deviation of any object from an expected standard. The rim dial indicator is used to measure offset in one plane along the shaft length and. Alignment kits alignment accessory kit, alignment computer. C moody in 1955 and has been widely accepted to provide a quick calibration method for round, rectangular and square surface tables. The signs will be a function of which hub the rim indicator plunger is contacting and at which clock position the rim indicator is set to zero. The plunger is a spring loaded part that can be depressed into the case causing the dials needle to move clockwise. By following this principle, the alignment of machinery can be easily accomplished using the formulas. The alignment training is suitable for technicians undertaking machine alignment, coupling alignment, motor alignmnet, pump alignment, etc. All measurements are taken on the rim of the coupling hubs.
The most commonly used type of dial indicator reads in. Dial indicator alignment basics alignment knowledge. The plunger is a spring loaded part that can be depressed into. 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. Turn the outer dial face until the hand points to 0. Take note of how much each line on the dial is worth. Flatness measurements on a granite surface table by. Dial indicator series 2 standard one revolution type for errorfree reading unlike many other dial indicators, the onerevolution dial indicator literally shows the entire spindle travel or range as one sweep of the hand, eliminating the possibility of reading errors due to miscounting multiple revolutions.
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