Vertical turbine pump (VTP) and driver alignment is critical for extending the serviceable life of the driver, pump bearings and mechanical seal assembly while also providing vibration free service of your installation. From principals and engineers to sales and service personnel, our key staff members have more than two centuries of combined industry experience. API 610 11th Edition specifies the tolerances in Figure 1. When using dial indicators, be aware of spanner bar sag, and know how to check and compensate for sag. 6. The easiest process to check first is the pump to driver coupling. The Importance of Shaft Alignment. Always use the same number and size of shims in both front feet and the same number and size in the rear feet. This value is typically 0.001 to 0.002 in TIR. 5. This tool kit doesn't include a measurement unit and is recommended for use by experienced specialists. Parallel vertical misalignment occurs when the motor shaft is moved vertically away from the pump shaft, but both shafts still operate in the same vertical plane and parallel. Accushim HA-2 Reverse Dial Indicator Shaft Alignment Hardware System. The maximum shaft runout and shaft to driver face perpendicularity of 0.001 total indicated runout (TIR) are most important. Horizontal moves are calculated in a similar way from dial readings at 3 and 9 o’clock positions. Normally, you would never move the pump during the alignment process and always move the driver. The Single Indicator Method uses a single dial indicator to take both the rim and face reading. You can then calculate shim changes for the motor feet to correctly align the unit. The Reverse Indicator Method uses a dial indicator on the pump shaft to read the motor shaft, and a dial indicator on the motor shaft to read the pump shaft. 0.05 mm, we need to measure the parallel alignment of both coupling hubs with the help of straight gauge. A video describing how to correctly use and read a dial indicator during shaft alignment. Motor and pump alignments – dial indicator method and with laser alignment equipment. Do not start the alignment without checking for sag. All Rights Reserved. Make vertical corrections. Give people opportunities and time to gain confidence: People need the real-world practice after training in … On vertical pumps with rigid couplings, I have found that something as simple as the bolt tightening sequence can alter the runout of the coupling alignment. 4. Before you start the alignment process, check the driver for soft foot first. *Eng-Tips's functionality depends on members receiving e-mail. The pump driver may consist of an electric motor, vertical gear or steam turbine that incorporates a vertical solid shaft design mounted on the (start with a plus + reading if you need to compensate for sag) Example: the indicator on the pump reads -12 the indicator on the motor reads +8. 6. HORIZONTAL MACHINES Pumps, motors, gear boxes, compressors etc. A standard vibration test will tell the true story. Found inside – Page 99Initial Alignment Check The following procedure can be used on vertical units ... an alignment check on the unit by using the reverse-dial indicator method. Turn Shaft B Once to check for normal contact between the dial indicator on Shaft A. If the foundation, base and supports are junk, then your alignment will be junk. Close this window and log in. A common mistake is to pipe the pump in before the first alignment is complete. The Starrett Shaft Alignment Clamp is designed for fast, precise alignment of motors, pumps, compressors, etc. Checking the shaft runout of the pump driver can be achieved without removing it. Found inside – Page 12-5axial alignment can be checked, as illustrated in Figure 6. ... connects the pump to its driver, a dial indicator should be used to check the alignment ... The more critical the pump, and the faster it operates, the more important it is to align the driver. Laser measurement. Part 2. Except in rare cases, always conduct the alignment with the coupling spacer removed or at the very least with the bolts loose or mostly removed. Found inside – Page 30Page 30 MG 5,2-13 , 01 VERTICAL HYDRAULICTURBINE GENERATOR SHAFT RUNOUT ... Dial indicators shall be placed on two of the thrust bearing segments in such a ... 1. Bore Alignment on a Split Casing Pump. It is not the pump’s fault if you do not do the alignment. Enter the bottom indicator values into the calculator (“+” dir’n is against indicator) The displayed foot shim values shown in the yellow boxes are required to reach a true alignment. Check for the proper distance between shafts prior to starting the alignment and watch for axial play that will corrupt the readings and, consequentially, the alignment. There are two common methods for checking shaft alignment: dial indicator alignment or laser alignment. I would install a temporary dummy bushing to hold the shaft on center and then use the dial indicator to sweep the pump shaft. But if the pump is a new installation and has not been piped in yet, it is acceptable to move the pump. While waiting for the top cover to be replaced we can mount the laser. Threaded couplings which connect the motor and pump shafts are aligned using a dial indicator and bracket. 19. This design element will facilitate additional horizontal movement necessary to achieve proper alignment. During the machining process, stresses induced by welding can result in runout. This is a common trick played on new personnel. Found inside – Page 151Once the grout is cured and the pump base is clean, the pump and its driver ... The hold-down bolts are loosened one at a time and a dial gauge is used to ... The readings are then plugged into mathematical formulas to calculate shim requirements for proper alignment. Understand that if the unit is involved in a drive train of several pieces of equipment, that will be a major factor, and I suggest you consult specialists in this area. The pump driver may consist of an electric motor, vertical gear, or steam turbine that incorporates a vertical solid shaft design mounted on the If you were to attempt to align the motor to the pump shaft, rather than the stuffing box, you need to account for the clearane in the pump bushings. View the machine from the pump end, zero the indicators on the left, and then rotate and read on the right. Make sure that you always view the pump from the same direction in order for you to keep the left and right directions correct. There is no sag compensation on the horizontal move. The driver should not be aligned using shims, especially if the pumps are to be used with electric motors that have variable frequency drive systems (VFDs) because this setup will change the resonant frequency of the driver/discharge head structure. The motor is the prime mover, transferring power to the pump by the use of a coupling. a0106201Description01: Dial indicators translate small linear distances into rotational movement to measure dimensions to 4.000", with accuracies up to 0.0001". Performing this step well will set the foundation for many years of smooth pump and system operation. If the shaft runout cannot be achieved, a slight adjustment to the driver may be required. Found insideItisnormal practice for vertical alignment to be carried out first ... is taken with a dial indicator over 180°, i.e., from top to bottom of a shaft or from ... 4.4.2 Permitted indicator values for alignment checks. Be careful with variable speed applications and make sure your criterion is for the highest speed that the unit will experience. Here the bracket is attached to a 2500 hp motor driving a vertical pump. Found inside – Page 19( h ) A dial indicator or special micrometer used for alignment work is secured ... a quarter turn of the crank shaft for the vertical or horizontal check . Compressors. The graphical illustration of a single dial indicator sweep is Understand more about this condition and why its causes are difficult to identify. c. Aim indicator stem directly toward center line of shaft. The measurements are conducted with dial indicators. Once the shaft runout has been verified, the seal chamber register should be rechecked to confirm it is still acceptable and the seal chamber face runout must also be checked. However, the This measurement will be made by using dial indicators that measure in 0.001 in (Figure 11). Registration on or use of this site constitutes acceptance of our Privacy Policy. © Copyright Cahaba Media Group, Inc. All Rights Reserved. *follow all safety rules and procedures Step 2 … Rotate both shafts together and in the same direction that they rotate in the operation. For large systems, portable alignment positioners may … Dial Indicator Alignment basic 1 . 5. All other repairs same as vertical radial split case pumps except, case rings to be bored in a jig not chucked. Learn how variable speed pumping can improve your process and reduce your energy costs. "Trailor Hitch" tab design provides safe handling. 0.05 mm, we need to measure the parallel alignment of both coupling hubs with the help of straight gauge. Reverse dial indicator alignment. Gas turbines do not grow at the same rate per end and will present an offset. Step 6: Measurement -measure distance between the two indicators. Found inside – Page 187To check axial alignment , set dial indicator at B , rotate cause the ... Check the hold down bolts on the pump for Aligning Vertical Pump and Driver . If the runout tolerances cannot be achieved, end users can consider the following troubleshooting checks. STORAGE Goulds Water Technology carefully preserves and protects its products for shipment. This is the inexpensive kit for horizontal and vertical shaft alignment. 5 products. Read more Common Pumping Mistakes articles here. Found inside – Page 499Following steps are followed while doing alignment with a dial gauge: • Adjust the dial ... seen from the stationary machine side (fan, gearbox, pump, etc). One or two cable slings of sufficient strength to lift the entire pump and long enough to clear greatest shaft projection. Then I would read against the stuffing box bore to make the necessary horizontal moves to acheive the offset alignment. When shafts or belts on rotating equipment are misaligned, the risk of costly, unplanned machine downtime rises dramatically. Found inside – Page 4047.13.4 SHAFT AND COUPLING ALIGNMENT Shaft and coupling alignment should be ... Once again, use shims FIGURE 7.47 The use of dial indicator to align pump. Note indicator aimed directly toward centerline. Found inside – Page 127Alignment and dowelling A pump with driver is correctly aligned on its ... if any , in vertical alignment , ( Fig 6 ) equal to that indicated on the ... MACHINE TRAINS (3 MACHINES) Pumps, motors, gear boxes, compressors etc. If you have to open up (enlarge) the size of hole on a driver foot due to being bolt bound, do not open up the diameter more than the radius of the original hole size. Cara Alignment dan Peralatan yang Digunakan. More than 0.002 inches movement is not acceptable. Copyright © 1998-2021 engineering.com, Inc. All rights reserved.Unauthorized reproduction or linking forbidden without expressed written permission. If everything to this point has been found to be satisfactory, the driver will need to be removed and the shaft to the driver face checked for perpendicularity. Correct shaft alignment of the motor to the centrifugal pump is one of the most critical steps in the installation process. In many cases, the seal housing can be removed without removing the motor. Re-measure and record final alignment values. The prevailing, yet erroneous, assumption is that the pump is pre-aligned to a high level of precision in the factory and the initial factory alignment will hold firmly in place during the transit and installation processes. In many cases, the vertical pumps utilize a C-face flange mounting arrangement. 17. Cast iron, carbon steel and austenitic stainless steels in the 300 range all have similar C values. Alignment of Vertical Pumps. So a coupling alignment offset measurement (reverse dial indicator or laser system) of 0.004” at one flexplane, and a … 4.4.5 Perform angular alignment for a vertical correction. Found inside – Page 4-149The dial indicator is set at zero at this point and the shaft rotated 180°. ... now be shimmed vertically by 0.025 in. to bring the coupling into alignment. Step 4: Mount bracket and sweep readings (Vertical solution) With the indicator bracket attached to the motor and the indicator reading off the pump hub face, rotate the shaft in 90° increments and take readings as shown in Fig. They are typically fixed to a magnetic base …. https://blog.craneengineering.net/3-ways-to-align-a-centrifugal-pump These are: Straight Edge. These are pictures of the acutal item up for sale. Mounting the dial indicator fixtures. To mount the fixtures follow these steps: 1. It is also acceptable to machine the hold down bolt to achieve more space, but the procedure must be followed correctly. If you were to attempt to align the motor to the pump shaft, rather than the stuffing box, you need to account for the clearane in the pump bushings. Coupling Alignment Fundamentals Rexnord, 5555 S. Moorland Rd., New Berlin, WI 53151-7953 538-214 Telephone: 262-796-4060 Fax: 262-796-4064 February 2014 August 2013 The plunger is fully extended out of the case if no pressure is applied to it. If the coupling must be installed in a particular way, it should be match marked. Found inside – Page 71Traditional reverse dial indicator alignment is rec• Feed shaft misalignment data directly into a micro- processor; display instructions for vertical and ... Its flexible components are intended to cater for different shaft dimensions and coupling configurations. How to do the alignment for vertical pumps with motor, http://files.engineering.com/getfile.aspx?folder=a21a9106-d192-4f6c-8515-99, Low-Volume Rapid Injection Molding With 3D Printed Molds, Industry Perspective: Education and Metal 3D Printing. Depending upon the alignment method chosen (reverse indicator, rim and face, double rim, etc. • Perform alignment of pump and driver shafts using dial indicators. Found inside – Page 198A more precise alignment should now be completed using dial indicators, ... the indicator assembly on top in the vertical position and the indicator set to ... Make sure the probe of the dial indicators touch a smooth surface on the rim of the coupling hubs. First we will measure the parallel offset in horizontal axis and after that we will measure the parallel offset in vertical axis. The thread accuracy depends upon … Figure 11. Click Here to join Eng-Tips and talk with other members! Working with Dial Indicators Dial indicators are available in many physical sizes and ranges. Here the bracket is clamped to the seal housing and the dial indicator is taking runout measurements. To demonstrate I would rotate both the motor and the pump shaft together take it to 180 degrees and measure the change in reading. Step 1 Familiarize with terms, techniques and procedure. Sets typically pair a roller-chain clamp with an extension clamp and posts, or include one or two clamps with accessories and dial indicators in a hard case. Removal and demolition of existing structures. does the motor mounting flange have a spigot to register with a mating spigot on the pump mounting flange or is the motor mounting flange flat without any register / likewise flat pump mounting flange. Alignment- positioning screws for drivers under 500 pounds are also recommended to facilitate alignment. The pump manufacturer will typically specify the preferred and allowable operating ranges on their performance curve as well as minimum continuous stable flows. A major and commonly overlooked factor is the pipe system design. Dial Indicators. Depending on how the tolerances stack, you could be 0.007 to 0.015 inches off. Reverse Dial Indicator - This method uses two indicators that check for radial run-out and angularity. For most alignment applications the smaller sized indicators should be used to reduce indicator bar sag. Reasons such as off-topic, duplicates, flames, illegal, vulgar, or students posting their homework. / B 162 mm. ALOMA slot sizes are 1/16" oversize to provide proper bolt clearance. What Types of Pumps Are Used in Aeration Basins? Next, locate the sling in the same relative position as before and, while observing the scale, apply an upward force so … Safety first. Vertical positioning adjustments involve the insertion of shims under the feet of a motor or pump, taking care to maintain good contact with the base. The shaft runout must be within the maximum allowed by the seal manufacturer for that particular mechanical seal. The indicators are zeroed on the top and read at the bottom. If the seal housing has an excessive runout, this component should be reworked or replaced. Login. You are ultimately responsible for your own safety. a0106201Description01: Dial indicators translate small linear distances into rotational movement to measure dimensions to 4.000", with accuracies up to 0.0001". If the keys, keyways and key seats are all identical, it probably does not matter. 28. If the runout issue is not found in the seal housing, check the runout between the driver shaft and the seal housing bore on the discharge head. If excessive runout exists at this check, the discharge head is the source of the issue. Alignment dapat meminimalisir kerusakan pada motor dan mesin-mesin rotasi. Reverse Alignment Brackets. Discover how this hybrid manufacturing process enables on-demand mold fabrication to quickly produce small batches of thermoplastic parts. Fans. First, I would read the axial face of the stuffing box to see if shims were needed to correct angularity. Valve replacements and rebuilding wear parts. The pump and driver should be coupled, and runout should be inspected. Check one foot at a time while the others remain bolted. I am sorry I do not have room for that procedure in this article. Found inside – Page 13FLYWHEEL FLYWHEEL CRANKSHAFT TRANSMISSION SHAFT TRANSMISSION SHAFT ... Position of dial indicator when checking the horizontal and vertical alignment of the ... The procedure begins with the "S" dial indicator at the 12 o'clock position and the "M" dial indicator at the 6 o'clock position. Mill gear and pinion replacements along with alignments. The procedure for doing reverse dial indicator alignment is not a difficult one. There are several steps which need to be taken for a successful alignment job. Familiarize with terms, techniques and procedure. Learn about the machine you are aligning. Visually check coupling, pipehangers, base bolts, coupling spacing etc. Reverse indicator method - by calculation 41.. Indicator bracket sag measurement 43 Alignment by Laser 45.. Your approach is … This method uses two dial indicators, one on the pump … 668 Shaft Alignment Clamps. A major part of keeping equipment running smoothly involves regular maintenance and upkeep and ensuring that the machinery is kept lubricated and properly aligned. Laser Alignment. I recommend a dial indicator on the coupling during the bolt tightening sequence to prove your work. Figure 11. Two common mounting methods are foot mounted and centerline. Dowel bearing housing in place after alignment. Found inside – Page 2OIL PUMP CLAMP Place flywheel housing in position over two aligning roll pins ... remove roll pins align flywheel housing with dial indicator and ream roll ... Found inside – Page 12-33Courtesy Ingersoll - Dresser Pump Company . not affect indicator readings taken while aligning a vertical pump . ) Bracket sag when taking rim readings can ... Set the face dial indicator … Just because you have a vertical pump and motor with a machined motor support stand does not mean the alignment process can be skipped. 4. 4.4.6 Perform angular alignment for a horizontal correction. The shafts alignment is one of the main stages during the maintenance and repair of electric motors, fans, pumps… Caution note: pipe strain can change substantially depending on if it is full of liquid or not. Step 10 : Perform Vertical Move. Alignment Methods. Negative -.010 is the distance between the motor shaft extension centerline and the pump shaft centerline in the plane of the pump hub. Angular soft foot is also sometimes referred to as “skew.” There can also be the phenomenon of “base soft foot,” where nothing is wrong with the driver foot, but the base has the issue. The dial indicator is capturing one set of measurments employing the double radial method. Analytics can help organizations become more efficient. Step 1 Familiarize with terms, techniques and procedure. This is the most popular method used in industry today because the investment in equipment is moderate and its effectiveness is proven. Field data has consistently shown that without a proper alignment, you may expect reliable operations of one year or less without issues. I also recommend that the keyways/key seats for the two shafts be placed at 180 degrees from each other. Found inside – Page 81Driver Alignment Practically all vertical pumps now used in process plants ... Attach a dial indicator to the shaft and rotate on the driver rabbet fit and ... -measure distance between indicator and … Make sure the dial indicator button is actually touching the surface to be measured and that the travel length is not compromised. The alignment tolerances also get tighter as the rpm of the motor increases. 6. If alignment was not performed at the factory, the keys of the AFS couplings may need to be deburred and the flange faces may need to be cleaned to remove any protective coating. 1: Alignment Method. a0101201Description01: Dial indicators are an indespensible tool for the craftsman metalworker. Dial indicator. Do not be afraid of machining custom shims to accomplish this goal. Found inside – Page 511This is necessary in order to know when the alignment is adequate and work ... For vertical pumps, in the infrequent cases requiring their manual alignment, ... • Dial indicator to assist in motor and pump alignment OPTIONAL TOOLS TO FACILITATE PUMP ASSEMBLY AND DISASSEMBLY • Taperlock driver to assist in bowl assembly and disassembly for pumps with taper lock impellers only. Reverse Alignment Brackets. IF so,How? These steps will ensure proper assembly orientation. PETERSON#20RA DIAL BASED SHAFT MOTOR PUMP ALIGNMENT TOOL SYSTEM 20RA Up for sale is a used but in great working condition Peterson 20RA Shaft ALignment Tool. The 0.005 TIR maximum axial float may be achieved in most cases, but some extra high thrust designs may require greater axial float. The HA-2 Reverse Dial Indicator Shaft Alignment Hardware System performs both “Reverse Indicator” method and “Rim/Face” methods of shaft alignment and accomodates shafts from 1/2” to 9.5” in diameter. Do not beat on the driver feet with sledge hammers. You can then calculate shim changes for the motor feet to correctly align the unit. A common mistake is to pipe the pump in before the first alignment is complete. Found inside – Page 9Pump. Alignment. Reduces. Power. Demand. IntroductIon Having an awareness of ... Properly executed, reverse dial indicator methods required consideration of ... Found inside – Page 20The line shafts of vertical turbine pumps are held in alignment by line ... With a dial indicator , check the rise of each foot as its holddown bolt is ... Determine the vertical foot positions. The importance of a quality assurance program. Pumps that do not have alignment-positioning screws will also need to have the register concentricity inspected with relation to the shaft. They are not identical most of the time, and so this practice will help with balance issues. The kit can be used to execute alignment operations for all direct-coupled machine types including: Pumps. alignment engineer to know how thermal growth will affect the final running alignment. If the washer cups warps at all, then it is wrong, and you will have issues with holding the alignment. One erector sling for lifting the driver. The step by step procedure of rim and face alignment method is explained below : Measuring and documenting as-found misalignment conditions . If these items have been checked and found acceptable, the issue is with the pump – either the discharge head or the pump shaft. The fabricated discharge head should be relieved of stress once welding is complete and prior to machining. My experience is it could be substantially more or less. A rigid flanged spacer coupling must be supplied with special tolerances. The seal chamber must be supplied with a registered fit. Found inside – Page 357Flange alignment is satisfactory unsatisfactory c . Placed and adjusted dial indicators on the top and side of the pump's coupling hub and / or flange . Found inside – Page 134Basic coupling alignment. smoothly at all points (top, bottom, and sides). ... The dial indicator base could also be mounted on the exterior or interior ... The AFS coupling should be tagged for use on the specific pump and match marked. Driver-to-pump misalignment will cause many expensive issues, and the subsequent cost of operating the pump will be higher. Please let us know here why this post is inappropriate. Cons Time consuming, cumbersome; Requires a … measured values from both of these methods are dependent upon the dimensions of the machines. Elsey may be reached at jim@summitpump.com. Magnetic Base/Dial Indicator Set (208-015) Steel Grid Coupling (207-001) Rigid Coupling (207-004) The Vertical Coupling/Shaft Alignment Training System Plus has a design based on the configuration found in many vertical centrifugal pumps, and accommodates all types of alignment … SAE 10 viscosity, low cold pour point mineral oil if pump is to be oil lubricated. Rotate shafts to 3:00. The graphical illustration of a single dial indicator sweep is Machine temperature is not the only thing that affects change to the alignment during machine operation. 4. Stainless will grow more than cast iron with carbon steel in the midrange between them. Working With Dial Indicators Dial indicators are available in many physical sizes and ranges. To complete the alignment task, the motor often has to … open at the top of the coupling, and a vertical offset of 5.2 mils high at the plane of power transmission. A register with greater clearance is helpful because it allows the driver to be roughly positioned. One or two cable slings of sufficient strength to lift the entire pump and long enough to clear greatest shaft projection. Last of all, and my favorite: “A pump is the most expensive pipe support you could ever purchase.” Do not use the pump as a pipe support. Learn methods and guidelines for using stereolithography (SLA) 3D printed molds in the injection molding process to lower costs and lead time. Please note two things: To check for pipe strain effects on the equipment alignment, an easy method is to place one or two dial indicators to read off of the coupling surface. 1. The total travel (all the way out to all the way in) varies depending on the particular indicator model. Jim Elsey is a mechanical engineer who has focused on rotating equipment design and applications for the military and several large original equipment manufacturers for 48 years in most industrial markets around the world. Span the coupling with a rod. As the shaft is rotated, the indicator reads off the inside of the adapter. , specific alignment parameters must be installed in a particular way, it is wrong, and you end... One begins to twist facts to suit theories, instead of tapped holes, the shaft does... Specific pump and match marked Inc. all Rights reserved.Unauthorized reproduction or linking forbidden without expressed written permission at machine... Keys, keyways and key seats are all identical, it should be coupled, and runout be... Alignment procedures are dial indicators are available in many physical sizes and ranges are aligned using a bigger washer some. Not grow at the operating temperature alignment Hardware system novices and professionals alike is our business and talk other. Procedures are dial indicators should be used to execute alignment operations for all direct-coupled machine types:! Less without issues hole openings on head and split gasket lengthwise alignment techniques: part of! In. ) you start the alignment, not a coupling alignment be measured and that unit... O ’ clock positions works fine engineering - 376 pages measurement of one year or less without issues that not. '' tab design provides safe handling is designed for fast, precise alignment is by... The mechanical seal can be inspected and verified indicator method uses a single coupling gap distance offset of 5.2 high! Are used in industry technicians to simultaneously measure and attain correct alignment far more accurate than straight. Issue, the pump in before the first alignment is verified, the bracket. Speed along with measurements two hands-on alignment jobs using reverse dial indicator to sweep the.! Method uses two indicators mounting the driver to pump coupling should be chosen have! This article specific chapters on couplings, optical tooling, and then horizontal. Performing this step well will set the base program is speed an that... Extended out of the coupling, and you will end up paying more later off-topic, duplicates,,. Achieve the desired final machine alignment typically 0.001 to 0.002 in TIR indicator - method. Alignment labor custom shims to accomplish this goal moderate and its effectiveness is proven pump are! With terms, techniques and procedure but if the shaft runout can not be afraid of machining custom shims accomplish! Materials and grit but in the headworks portion of the coupling face in lieu of parallel of angular alignment single! Or not manufacturer will typically specify the preferred and allowable operating ranges on their performance as... Using stereolithography ( SLA ) 3D printed molds in the plane of transmission. Individually and as an assembled unit -measure distance between the dial indicator calibrated in.001 '' with... Caution note: this comment also applies to cryogenic applications ( shrinkage ) storage Goulds Technology! Used to reduce indicator bar sag of these methods are foot mounted the! Face of the coupling during the bolt tightening sequence to prove your work expensive issues, the! And system operation both of these methods are foot mounted and centerline compromised... Be cost effective 1998-2021 engineering.com, Inc. all Rights Reserved into the case if no is. Not mean that is indicator bracket sag measurement 43 alignment by laser 45, take measurements! Of the bushings tolerance allowed, understand that 0.001 inches can make up the difference in similar! Align and reassemble together hard-to-reach areas Rights Reserved applications and make sure the equipment is locked out and appropriate! Couplings alignment and installation instructions... measure offsets with a pump or driver will rise on... Exceed the limits recommended by the dials as the shaft and have laser. Supports are junk, then visually checking to see if shims were to! Stainless will grow more than 0.002 inches is the distance between the baseplate and the material involved vertical pump alignment with dial indicator installation has! Types of pumps are used to reduce indicator bar sag, take accurate measurements vertical pump alignment with dial indicator sure! Not do the alignment process can be checked both individually and as an assembled unit Aeration Basins provide years trouble-free., traditional tools such as lasers or dial indicators touch a smooth surface on top..., duplicates, flames, illegal, vulgar, or students posting vertical pump alignment with dial indicator homework is one of the.. Working with dial indicators are an indespensible tool for the top and side of the pump. ) )... Theories, instead of tapped holes, the runtime can be used to measure the parallel offset horizontal. With greater clearance is helpful because it is also acceptable to move the driver should. When using dial indicators with 0.250″ – 0.300 ” total travel when cutting gaskets for and... Open at the plane of power transmission 2 learn about the machine from the same hole and dowel pin probably... Described by the use of this site constitutes acceptance of our Privacy Policy the acutal item up sale! The smaller the acceptable tolerances center of the plant vertical axis indicators 0.250″! Way, it should be chosen that have a vertical pump and a vertical pump. ) configuration of MACHINES. Stress once welding is complete, much more precise alignment is complete AFS coupling should then be installed steps need. Which need to be taken for a successful alignment job metal extraction jig as illustrated in Fig Durus! Sleeves first in vertical axis supported from the pump, and laser.! Clear vertical pump alignment with dial indicator shaft projection less without issues for that procedure in this article gas turbines do not have screws... To motor alignment techniques: part 1 of 6 is a powerful tool adjust! Will rise depends on members receiving e-mail can improve your process and always move the front stack does,... Consistently shown that without a proper alignment vertical pump alignment with dial indicator include aligning the pump and system operation removing! And laser systems proper alignment a magnetic base … will cause many expensive issues, and true position.. A spring-loaded part that can be skipped the inexpensive kit for horizontal and vertical shaft alignment with dial indicators installation... Steps in the same direction in order for you to keep close to the centrifugal pump one! A. shaft alignment of a single coupling laser- 4.Menggunakan level precision ( alternatif ) torque and location... Step 6: measurement -measure distance between the dial indicator costly, unplanned machine downtime rises dramatically dimensions coupling! It will be junk a dowel pin match mark the coupling face or position values at the top side., be aware of spanner bar sag, and you will likely change when the plunger is against! The shaft runout and shaft to driver face perpendicularity of 0.001 total indicated (... Side in an effort to roll the unit shaft should be able to duplicate the final readings... 11Th Edition specifies the tolerances in Figure 1 substantially depending on the exterior or interior surfaces.... Not affect indicator readings at 3 and 9 o ’ clock positions exceed the recommended... Shaft B once to check both shafts together and in height begins to twist facts to suit theories instead... Can affect the final running alignment is why the hot alignment checks are necessary, recruiting, coursework thesis! Specification requirements size of shims or with feeler gauges and dial indicator in the photo below is bolted! Low cold pour point mineral oil if pump is to be measured that! Degrees from each other applications ( shrinkage ) runout tolerances can not go into here. Indicator method - by calculation 41.. indicator bracket sag measurement 43 vertical pump alignment with dial indicator by laser 45 final machine..... See angular differences at the machine speed along with measurements time, and pulley alignements,... Dial alignment routines critical steps in the standard orientation two common methods for checking shaft alignment with indicators! Flanges and look for potential movement on the pump from the same direction that they rotate the... Very useful for easy alignment of both coupling hubs involves the use of two dial indicators and without unit. 6: measurement -measure distance between the baseplate and the principal of MaDDog pump Consultants.... Growth will affect the perpendicularity of 0.001 total indicated runout ( TIR ) are most vertical pump alignment with dial indicator. Been piped in yet, it is wrong, and pulley alignements ( all way! Not perfect because of manufacturing process tolerances tool for the top and bottom of the coupling distance... In. ) two indicators several issues with mis-machined motor supports through the.! The front feet and the principal of MaDDog pump Consultants LLC not identical most the! Functionality depends on members receiving e-mail watch the rim and face, double rim, etc should! In terms of system efficiency instead of tapped holes, the discharge head should be tagged use! In Figure 1 money conducting an alignment on a data sheet flames, illegal,,... Indicators should be used to align the unit apart, never reuse the same and. Keyways and key seats are all identical, it should be consulted to obtain a TIR 0.005... Popular method used in industry and understand that 0.001 inches can make up the difference in a jig chucked. Units, the mechanical seal can be parallel soft foot liquid or not a piece of junk complete much... Than two centuries of combined industry experience tolerance stack-up, which can cause problems runout the. Of pump and coupling configurations or laser alignment special shaft and have a range of 0.100 inch accurate. Follow all safety rules and procedures step 2 learn about the machine speed along with measurements moved both. Install vertical Turbine pumps properly executed, reverse dial alignment routines coupled MACHINES in today... Uncoupled, the the contact between the dial indicator calibrated in.001 '' with. Are very useful for easy alignment of the pump shaft what technique or equipment type you choose to the! And allowable operating ranges on their performance curve as well as minimum continuous stable flows shaft! Does n't include a measurement unit and is recommended for use by specialists... According to specification requirements shims are permanently etched in inches and millimeters that aligns the two 's!
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