electric motor lubrication chart
Electric Motor Bearing Grease: Blue, Polyurea, 13.7 oz, Cartridge, NLGI Grade 2 Item # 5XB54; Mfr. Check latest price. Although some electric motor bearings, such as those used with vertical motors for submersible pumps, are oil-lubricated via a sump system, the vast majority of motor bearings are lubricated with grease. Use of the wrong grease often leads to early electric motor failures. For more exact dimensional data, please check the specific drawing for each catalog number. Allow the motor to operate for approximately 30 to 40 minutes before replacing the grease relief plug. When you're considering electric motor lubrication frequency and quantity, take into account the following: Is the lubricant grease or oil? Electric rotating machinery and electricity can cause serious or fatal injury if the motor is improperly installed, operated or maintained. The frequency of routine service varies widely between applications. ISO VG 150). Reliance Electric Posted 1-10-05 Motor Maintenance - SCHEDULED ROUTINE CARE Introduction The key to minimizing motor problems is scheduled routine inspection and service. Your electric motor should be lubricated on a regular basis according to manufacturer's instructions. 10J174 Dayton 1/10 HP 1625 RPM 115V 4.4 Diameter Open PSC Fan Motor. Electric Motors And Generators published by the National Electrical Manufacturers Association (NEMA), publication MG-2-1983 (ANSI C51.5). In 1992, EPRI's Nuclear Maintenance Application Center developed an electric motor predictive and preventive maintenance guide. Model # 124050 UNSPSC # 15121902 Catalog Page # 2452 2452 Country of Origin USA. While some motors are permanently lubricated, others require lubrication as often as annually, depending on the motor usage level. lubrication failures, overloading and other issues can shorten service lifetime. This reduces the chance that bearing housing pressure will develop. THE WEG ELECTRIC MOTOR INSTALLATION AND MAINTENANCE MANUAL provides the necessary information to properly install, maintain and preserve the most important component of all equipment: THE ELECTRIC MOTOR! Observe the following guidelines: 1. r.p.m. Under these specific conditions the reference speed for oil and grease . Customer Benefits Chevron SRI Grease 2 delivers value through: • Wide application range Suitable for high rpm operation, operating temperatures ranging from -30° C to 177° C (-22° F to 350° F). Grease Description Application examples LTL HTPL Temp. I had planned to go with a polyurea for the electric motors due to the evidence that polyurea is very common in electric motors, and the new stuff seems pretty nice, indeed, but my biggest, most expensive and most important motors are . Motors are inherently highly reliable, requiring little routine maintenance. Here are the steps to follow: for the squirrel-cage, 3 phase induction motors of 1000V or lower. 4.1.3 Electrical Connections 4.2 Lubrication and Bearings 4.2.1 Grease Type 4.2.2 Bearing Operating Temperature 4.2.3 Lubrication Interval 4.2.4 Lubrication Procedure . Revenue in 2017 was $122.09 billion. Add grease per Table 2. When eyebolts are provided, they must be fully tightened and are intended to lift the motor and its included accessories only. Reliance Electric - Motor Glossary IEC - Complete lines of Reliance AC and DC motors that meet IEC electrical and mechanical standards. Consider reducing your energy consumption by switching lubrication. How often your facility's electric motors should be lubricated—and how much lubricant they should receive—depends on several factors. A Complete Guide to Electric Motor Regreasing. It also transfers heat from the bearing and even helps protect the bearing from dirt and contaminants. The reference speed will be reached after 10 to 20 hours running time. Ensure that the oil is changed at least once a month if your motor is operated in poor environments. P roper lubrication of ball and roller bearings in electric motors is essential to their health. 2.3 Moisture prevention Since moisture can be very detrimental to electrical components, the motor temperature should be maintained about 37ºF (3°C) above the dew point temperature by providing either external or internal heat. A motor is an apparatus for changing electrical energy into mechanical energy; hence must be a part of an electric circuit. Polyphase motors can be induction or synchronous. Motor Handbook Authors: Institute for Power Electronics and Electrical Drives, RWTH Aachen University Fang Qi Daniel Scharfenstein Claude Weiss Infineon Technologies AG Dr. Clemens Müller Dr. Ulrich Schwarzer Version: 2.1 Release Date: 12.03.2019 A General Guide to DC Motor Maintenance. Specially formulated to improve bearing performance and protection for long electric motor life, this grease is recommended by many major bearing and electric motor manufacturers for long-life lubrication of electric motor ball bearings and roller bearings. As of 2016, the number of people employed by GE was 295,000. The application of motors and other electrical equipment in hazardous Title: Baldor Basics: Motors / Motor Temperature Ratings & Metric Motors Author: Edward Cowern, P.E. Be careful to never over-lubricate since excessive lubricants deteriorate insulation. Voltage must be applied to it, and current must flow through its windings. 4.1.3 Electrical Connections 4.2 Lubrication and Bearings 4.2.1 Grease Type 4.2.2 Bearing Operating Temperature 4.2.3 Lubrication Interval 4.2.4 Lubrication Procedure . A D.C. motor maintenance program is a preventative and corrective maintenance schedule that covers inspections, cleaning, testing, replacement and lubrication tasks that are necessary to ensure the proper operation of D.C. motors and associated equipment. When electric motor problems are detected early, operational conditions can sometimes be altered to return the machines to an efficient state and prevent further damage: Rate of failure varies from one application to another. Neither application is covered in this . . If the motor is rated 208-230V, the deviation must be calculated from 230V. Electric motors fall into two broad groups: direct current (DC) motors and alternating current (AC) motors; alternating current motors are divided into single-phase and polyphase motors. It's specifically designed for electric motor use. Toshiba motors may be equipped with an automatic grease relief fitting, a grease plug or a grease outlet cover plate. Responsible personnel must be qualified and fully trained to understand the hazards to themselves and others before being involved in installation, start up, operation or maintenance of electric motors. Always use grease that is fresh and free from contamination. Relubrication of electric motors should be part of a planned maintenance program. The safe Max. Abstract . Motor bearings within an electric motor can emerge from improper handling and storage, improper installation, misalignment, improper lubrication, start/stop processes, contamination, overhung loads and motor fan imbalance. Bearing troubles account for 50 to 65 percent of all electric motor failures, and poor . Vertical pump motors start to use oil-lubricated bearings at about 50 HP. cage, 3 phase, induction motors lower than 1000V and smaller than 315 Frame Size can safely run continuously at the speed in the table below. M-2000 - AC motors that meet IEC dimensional and mechanical standards and NEMA electrical standards. It is comparatively easy to obtain the required speed through the use of motors directly connected to the driven machine, through speed reducers, or the now more economical geared motors, or even through V-belt or chain or sprocket drive. Lubriplate L0148-098 Off-White ISO-9001 Registered Quality System, ISO-21469 Compliant 100 cSt Electric Motor Bearing Grease (Pack of 10) 2.9 out of 5 stars 3 $64.87 $ 64 . Problems caused by the application of grease or lubrication can also shorten the lifetime of the bearings in the following situations. The manufacturer of these products, Baldor Electric Company, became ABB Motors and Mechanical Inc. on March 1, 2018. . 87 Contamination is one of the biggest reasons for bearing failure modes. The high speed grease is also used in motor types M2CA, M2FA, M2CG and M2FG, frame sizes 355 to 400 2-pole machines. Note: - For areas with relatively high ambient temperatures, use LGMT 3 instead of LGMT 2 - For special operating conditions, refer to the SKF bearing grease selection chart With additional information like speed, temperature, and load conditions, LubeSelect for SKF greases is the easiest way to select the right grease. Table 2: Amount of Grease to Use. MSRP: Was: $176.40. Our objective is to help you find the exact product and its related information through different search methods. This long-lasting formula is great as an electric motor oil and lubricant, and can also be used to maintain sewing machines fans, drills, lawn tools, and more. This will remove any hardened grease. Grease reduces friction and protects the surface finish from rust during long idle periods and in unfavorable environmental conditions. Rewinding US MOTORS® Inverter Duty Motors Space Heaters Trickle Voltage Heating Reversing Direction of Rotation on TEFC Motors Part Winding Start of a 12 Lead Y- Motor Identifying Leads of a 9 Lead - 3 Phase Motor Adjusting End Play Oil Foaming Rewind Data Across the Line Connection of Multi-Lead Motors Bearing Types Lubrication Instructions Types of Electric Motor Bearings. It is an aluminum complex thickened grease made with an ISO 460 viscosity synthetic base fluid, a combination that provides superior high-temperature functionality, low-temperature pumpability and excellent performance in the presence of water. (d) Motors should be put on pallets to prevent moisture. For the TWMC motor warranty to be and to remain in effect, the motor must be installed and operated in strict accordance with the outline drawing, motor nameplates and these instructions and must not be altered or modified in any unauthorized manner. Dimensional data for 444T through 449TS frame sizes reflect the use of a top mounted conduit box with a cantilevered mounting arm. Whenever you have to lubricate an electric pump, bench grinder or other electric motor, don't pull just any oil off the shelf. In 2017, GE was ranked by Fortune 500 as the 13th largest firm in the U.S. by gross revenue. Electric rotating machinery and electricity can cause serious or fatal injury if the motor is improperly installed, operated or maintained. The lubricant quantity G is 0.90 fluid ounces (0.11 × 5.91 × 1.38), or 26 milliliters (0.005 × 150 × 35). Several motor and/or bearing failures occurred at various nuclear power plants due to excessive grease addition. The above chart provides typical Baldor•Reliance motor dimensions. This bulletin, for ExxonMobil customers, is intended to serve as a practical guide to the proper lubrication of electric motor bearings utilizing grease as a lubricant. 5000 FRAME D E 2F H O P U V AA AB BA 5008S 5008L 12-1 . Make sure that brushes ride free in the holders. Richard N. Wurzbach, Gretchen Kowalik, MRG Labs York, Pennsylvania, USA . Electrical Code (NEC), local codes and NEMA MG2 Safety Standards for Construction and Guide for Selection, Installation and Use of Electric Motors and Generators. Motor and Generator. for the squirrel-cage, 3 phase induction motors of 1000V or lower. Introducing Mobil SHC Polyrex 102 EM, our first electric-motor bearing grease to be proven by lab tests to increase energy efficiency. Figure 13 shows a motor connected in an electric circuit. 3-IN-ONE Motor Oil is a SAE 20 special blend of high-grade oils engineered for 1/4 HP motors or larger. Make sure grease nipples are clean and free from dirt before regreasing. When planning a motion control system, the choice of motor is extremely important. Your electric motor should be lubricated on a regular basis according to manufacturer's instructions. Nameplates, Declaration of Conformity and other collateral material may contain the By contrast, well-formulated electric-motor grease typically contains a base oil with a viscosity around 100 cSt at 40 C, a shear- and temperature-stable thickener such as polyurea, and mild antiwear additives for mixed-film lubrication. Our Mobil Polyrex™ EM grease is designed for electric motor bearings. Installation should conform to the appropriate national code as well as local codes and sound practices. Often, some of the letters in the serial numbers represent specific numbers which, in turn, stand for the month and year of manufacture. Remove the brush and wipe off any grease. In this article, we will go over five points on how to keep your electric motors running properly and help extend the life expectancy of your motors. They should never be used for electric-motor lubrication. Several characteristics are included within this "EM" speciication, such as: C3 radial internal clearance QE6 noise speciication Capped bearings are illed with a high-quality polyurea-thickened grease Mobil Polyrex ® EM designated by the SKF sufix "GJN" Regular Lubrication. Sleeve bearings may be used in larger horsepower or 2 pole or high-speed applications. Lubrication procedure. Specially formulated to improve bearing performance and protection for long electric motor life, this grease is recommended by many major bearing and electric motor manufacturers for long-life lubrication of electric motor ball bearings and roller bearings. Speed General purpose industrial and automotive Automotive wheel bearings Conveyors and fans Small electric motors -30 °C (-20 °F) 120 °C (250 °F) M M General purpose industrial and automotive Bearings with d>100 mm Vertical shaft or outer bearing ring rotation Electric motor lubrication schedule: this article explains the typical lubrication requirement for for motors found on HVAC equipment in buildings such as air conditioners, furnace or air handler blower fans, oil burner motors, well pumps, and condensate return pumps. r.p.m. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features Press Copyright Contact us Creators . Most electric motors are equipped with anti-friction, grease-lubricated rolling-element bearings. 2 stroke or 4 stroke outboard engine, powered from 2. This occurs when foreign contaminants or moisture . Electric motor and generators. Ball and roller bearings may be lubricated with the motor running or stationary. One is a non-EP grease used solely for electric motors, and the other is an EP synthetic for everything else. Pick up a can of electric motor oil. The proper lubrication of electric motor bearings is essential to maintaining them in peak operating condition and, ultimately, in reducing unnecessary downtime. The following greases can be used for high speed cast iron motors but not mixed with lithium complex greases: - Klüber Klüber Quiet BQH 72-102 (polyurea base) Responsible personnel must be qualified and fully trained to understand the hazards to themselves and others before being involved in installation, start up, operation or maintenance of electric motors. General Electric is an American multi-national conglomerate incorporated in New York and headquartered in Boston, Massachusetts. The safe Max. Now: $162.30. Electric Motor Bearing Grease. How to Determine Grease Compatibility and Why It's Important . In fact, proper usage can keep your bearings in peak operating condition, which can enhance equipment life and minimize maintenance downtime. The modern electric motor installation the individual motor drive has practically replaced all other types. Country of Origin is subject to change. This bulletin, for Applied thermal fluids customers, is intended to serve as a practical guide to the proper lubrication of electric motor bearings utilizing grease as a lubricant. The risks of mixing lubricants and new methods for determining long-term compatibility impacts . Grease is the lifeblood of these bearings because it provides an oil film that prevents the harsh metal-to-metal contact between the rotating element and races. The proper lubrication of electric motor bearings is essential to maintaining them in peak operating condition and, ultimately, in reducing unnecessary downtime. This lubricant oil is produced by Liberty Oil Products, and it is a 100% synthetic oil compound. PREMIUM EFFICIENCY MOTOR SELECTION AND APPLICATION GUIDE | i ACKNOWLEDGMENTS The Premium Efficiency Motor Selection and Application Guide and its companion publication, Continuous Energy Improvement in Motor-Driven Systems, have been developed by the U.S. Department of Energy (DOE) Office of Energy Efficiency and Renewable Energy (EERE) with support from the Copper Development Association (CDA). See documents B-2771-2,B-2772 Omega® XL - Critical duty AC motors with a 5-year warranty. However, lubrication while the motor is stationary but at or near operating temperature is recommended. An electric motor is an electromechanical machine that converts electrical energy into mechanical energy. Grease compatibility charts have been developed and circulated since the 1980s without much alteration. FUNDAMENTALS OF ELECTRIC MOTORS ¶. The motor must align with the purpose and overall performance goals of the system. themotorbookstore. Find out how. Bearing-related failures account for 51% of all electric motor failures.The more you know about the types of electric motor bearings, their failure modes, and how to maintain them, the better prepared you will be to enact measures to help extend the life of your motor bearings. Greases are composed of a base oil and a thickener, which carries the oil between its lattice-like fibers. 2. Electric motor bearing lubrication guide. WEG, the largest industrial electric motor manufacturer in the Americas is pleased to offer its customers our brand new e-Technical Catalog. WEG INSTALLATION AND MAINTENANCE MANUAL FOR NEMA LOW VOLTAGE ELECTRIC MOTORS 260.02/0501 • Filling approximately 30% of the free space in the bearing. Electric motors are now more diverse and adaptable than ever before. Luckily, there is a motor design suitable for any imaginable purpose. Yamaha Electrical Harness Plug Diagram: Yamaha Outboard Motor. Switching to Mobilith SHC™ 220 grease helps mining company generate a company-estimated savings of US $4,269,076 over four years. We will go over lubrication, bearing inspection, checking your rotor and stator, motor mount, and how important keeping records are. Including the motors in the maintenance schedule for the driven machine or general plant equipment is . cage, 3 phase, induction motors lower than 1000V and smaller than 315 Frame Size can safely run continuously at the speed in the table below. When it comes to lubricating electric motor bearings, grease is essential. If it is a ball bearing, is the enclosure open, shielded, or sealed . This article explains what you need to know about how grease works and how to choose . SRI Grease 2 is Chevron's preferred electric motor bearing grease. Almaplex Ultra-Syn Lubricant is a heavy-duty synthetic grease that provides optimum performance under extreme operating conditions. The proper lubrication of electric motor bearings is essential to reducing downtime, enabling optimum equipment performance, and enhancing overall productivity. or repair electrical motors and their accessories. Yamaha Outboard Weight Chart Foto Yamaha Best Contest. Dayton. Th e use of other lubricants will lead to problems, sooner or later. During the installation and operation of motors in . . This remains true for most duties but may not be so where environmental conditions are aggressive, the starting duty is onerous, or high structural vibration is present. Follow these and you should see sustained performance […] These bearings are predisposed to fail along with your equipment if they are not lubricated properly—in fact, bearing troubles account for 50 to 65 percent of all-electric motor failures. Is the bearing type sleeve, ball, or roller? the supplier of the motor, or those with very similar characteristics to the recommended lubricant, should be used. The maintenance program for every five/six months: Clean motor thoroughly, blowing out dirt from windings, and wipe commutator and brushes. Check brushes and replace any that are more than half worn. The proper lubrication of electric motor bearings is essential to maintaining them in peak operating condition and, ultimately, in reducing unnecessary downtime. Verify that voltage to the motor is within 10% of the nameplate value. • Regular lithium soap grease with mineral base oil having a viscosity of 100 to 200 mm2/s at 104° F (40° C) (e.g. Regular Lubrication. Grease lubrication is the method most commonly used on small and medium size electric motors in the range of 1 to 500 HP for horizontal machines. NLGI viscosity grade is a rating of a grease's consistency. Instead, pick up electric motor oil, like 3-In-One electric motor oil (about $3 at amazon ). LE Solution The grease consistency preferred for electric motors is normally NLGI 2 or 3, with a base oil viscosity of 100-150 cSt @ 40°C. Examine brush holders, and clean them if dirty. MN416 Installation & Maintenance 1 Baldor-Reliance AC & DC Motor Installation & Maintenance Note! Able to handle light to moderate loads at high speeds, this grease is often used on electric motor bearings for fans, pumps, and dryers. 2 Liberty Oil for Lubricating All of Your Sewing Machines Moving Parts - Best Lubricant for Sewing Machine Electric Fan Motors. or repair electrical motors and their accessories. Installation should conform to the appropriate national code as well as local codes and sound practices. The problem of over greasing electric motors was first identified in the nuclear power industry in 1988².
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