This is a precision task and cannot be done by eye or guess work alone. Combo beltsheave red laser la12000r and reverse dial indicator system. If there is a difference from end to end, make it equal by shims. 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. Dial indicator setup alignment gauge setup or tuneup your tools and operations with precision, using this dial gauge this gauge will help you align your mark 7 or mark v work table, rip fence or miter gauge presets for precise cuts, timeaftertime. If you can afford use laser alignment if you dont have dial gauge,then i. The procedure for doing reverse dial indicator alignment is not a difficult one. At this diameter the maximum allowable gap would be. Visually check coupling, pipehangers, base bolts, coupling spacing etc.
Practice and learn different shaft alignment methods using dial indicators or lasers. The rim and face method can be used with the simplest of installations. 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. 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. Care has been taken by the authors, pruftechnik ltd, in the preparation of this publication. Turntable cartridge alignment gauge protractor tool. Toe is the difference between the distance from the front of one tire to the other, and the rear of one tire to the other. Then, check the height of pump shaft with the height gauge. A practical guide to shaft alignment plant services. Comparing parts to a master part during inspection. There are two commonly use methods to align rotating machine shafts using dial indicators. Shaft alignment report measurement program horizontal operator user measurement unit mils temperature 80. Laser devices provide higher levels of accuracy and also have automated features that simplify and speed up the work of measuring alignment.
The app guides the user through the complete measurement and alignment process simplifying otherwise cumbersome tasks such as calculations and determination of directions and amount to move the machine to achieve a perfect alignment. When using this form, you may find it convenient to use mils instead of thousandths of an inch. I found the latest dialguage version is updated on 1052016, which should be updated again to adapt to the. Those who purchase new alignment instruments and hand them out to field technicians who lack the knowledge of alignment fundamentals are often. Figure 52 shows the calculation using the reverse dial alignment form. The dial indicator is great for checking alignment and runout. For maintenance personnel in drinking water and wastewater. Despite what some manufacturers claim, correct overhang length and alignment is critical to obtaining proper audio reproduction without distortion and avoiding unnecessary record and stylus wear. Instruction manual thank you for purchasing the niigata seiki dial gauge. Since the pump shaft can not be turned when uncoupled and resting on the bottom, the laser readings were taken using the static measurement mode, which is a process that permits a reading to be taken in any cardinal or subcardinal position.
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. Perform reverse alignment, using the alignment demonstration rig and the graphical chart. 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. Vibration wear energy usage proper alignment increases reliability. Fixturlaser dials this is a standalone app for performing shaft alignment, using indicator dials, on typical applications such as a motor and a pump. The capital cost outlay for a laser system versus a set of dial indicators and magnetic bases is the obvious first. A rough alignment is necessary due to the range limitations of the dial indicators.
By following this principle, the alignment of machinery can be easily accomplished using the formulas. 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. Live view supports intuitive measurements and facilitates horizontal and. This method produces acceptable results, but is less accurate than the reverse dial indicator method covered in this application note. When using our laser alignment systems you measure and align the two centers of rotation so the standard is different. Commercial alignment tools like the hunter system we have start the alignment process at the rear of the car get the drive wheels aligned then adjust the fronts before each track outing, we put the cars on the rack and give an initial alignment based on data from previous track outings i. Correct the run out by your experience and also you can use equal triangles rule. 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. Align your miter gauge to an exact 45 or 90 setting. Using your own dial indicators, dial indicator we use is a ls starrett, 81141j.
The advanced laser shaft alignment system with enhanced measuring and. Step 4 precision alignment with a dial indicator youtube. Then move the gauge to the rear of the tires and align the fixed end with the scribe line. With different types of fixtures extended across the coupling, the shafts are rotated to. When using a rimface method, one measurement is taken on the rim of the coupling to determine shaft offset.
Use it to measure the difference in distance to two or more locations. Toein alignment gauges pegasus auto racing supplies. With the coupling broken, mount the fixture to the stationary shaft or coupling hub. If the front is farther out than the rear, that wheel has toeout. Reverse alignment module 1550109 annotated instructors. Shaft laser alignment 3 benefits over dial indicators. For those not doing shaft alignment at all, for the longevity and reliability of your equipment, we highly recommend that you start now. For example, a machine running at 1800 rpm with 12 inch of spacer shaft length would allow a maximum offset of.
Nov 21, 2016 the dial gauge can show red defined by actual start and actual end, yellow defined by target start and target end, and green defined by the rest of the range out of min and max. Practice alignment procedure when one or both shafts are locked practice alignment when one or both shafts have limited rotation. To use a dial indicator, mount it on the coupler halves as shown in figure 2. Dial gauges digital dial gauges, hp dial gauges, o40mm dial. 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.
Dial gauges or laser measurement devices are often used to provide more accurate measurements of the degree of misalignment between the motor and pump shafts. If the front of the tire is closer to the centerline than the rear, the wheel has toein. 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. Reverse alignment annotated instructors guide module 1550109. Shaft alignment industrial wiki odesie by tech transfer. A popular method used for years and is still in use today is the rim and face method. Several equipment alignment methods, especially the reverse dial indicator method, which is the principle used in laser alignment is covered in explicit detail. Another measurement is taken on the face of the coupling to determine shaft angularity. Reverse alignment module 1550109 annotated instructors guide. This paper is written by a laser alignment iconoclast. Ritec alignment kit is a powerful tool to adjust shafts alignment using dial indicators accurately and easily. Hp dial gauge with a 58 mm dial diameter, 0,001 mm.
Simple and more accurate method is use of dial gages. There are many reasons why dial indicators are a viable option to measure alignment. 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. Dial gauge alignment procedure in covered with detailed animation. Richmond, va 23236 phone 804 3792250 fax 804 3790189 2011 vibralign, inc. Perform reverse dial indicator alignment, using a graphical alignment chart. 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. Fixturlaser alignment systems calculate the angularity and offset between the two centers of rotation. Now the shaft alignment measurement procedure can begin. Dial indicators are an essential tool for maintenance pros.
The total travel, or reading capacity, of the indicator commonly ranges from 0. Rating is available when the video has been rented. Alignment of pumps one of the most important parts of pump setup is making sure that the pump and the drive motor are carefully aligned. This occurs when using a twopole motor 3,500 to 3,600 rpm. The capital cost outlay for a laser system versus a set. Rotate the halves together, always matching the chalk mark. Dial indicator the dial indicator is a precision measuring tool that measures relative distances. Dial indicators can have gear trains that amplify the movement anywhere from 40. Sometimes by using the feeler gages alignments are also carried out. Alignment report hung seng huat engineering product co. There are several steps which need to be taken for a successful alignment job. Its flexible components are intended to cater for different shaft dimensions and coupling configurations. This allows the use of whole numbers and avoids confusing decimals. Place the gauge in front of the tires and align the pointers with the scribe lines.
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 required distance for vertical alignment by adding shims in place tighten all bolts and take and check the readings if the readings are within. Not available on all models mounting the dial gauge mount by clamping to the stem. Affordable and search from millions of royalty free images, photos and vectors. Performance tasks under the supervision of the instructor, the trainee should be able to do the following. Always check the shaft alignment with all the piping in place. This can give a dial indicator a discrimination, or resolution, of 0. Misalignment may account for over 50% of malfunctions in rotating machinery, leading to problems such as worn or broken couplers, vibration, and excessive wear of bearings, seals and wear rings. I was using the svg path for the dial given in the plotly tutorial, namely. It is not intended as a comprehensive guide to alignment of process machinery, nor is it a substitute for seeking professional advice or. Use the straight edge for radial runout and feeler gauge for.
1491 200 844 1468 419 45 904 750 361 298 924 1015 1307 1359 279 1126 1502 161 1172 588 320 124 1017 1496 427 441 1194 180 369 275 467 1155 1094 1367 431 1030 1438 553 273 401 409 1171 513 280 1343 1295 1069 403 1454