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www.weg.netW01 Rolled SteelThe new generation of WEG general purpose steel motors.The motors of the W01 Rolled Steel line are the perfect option for applications where performance,robustness and light-weight are required in an all-in-one productPresenting a whole new electrical and mechanical design, thenew platform of Rolled Steel motors are made to run cooler, lastlonger and to be easier to install and maintain.Available on two options, the TEFC motors are designed foroperating in environments of dirt, dust and moisture, on indoorand outdoor applications, while the ODP motors are designedfor environments where dirt and moisture are minimal.Fractional Horsepower (FHP) motors on NEMA 48 and 56frame are available on single or three-phase for general2W01 Rolled Steelpurpose, jet pump and also with resilient base configurationson standard or Premium Efficiency that meet or exceed thePremium Efficiency requirements in accordance to theDepartment of Energy (DOE) regulations, already in course.The scenario of increasing demand for more compact andefficient electric motors creates the need to develop newproducts with higher performance, quality, reliability and thatexceed the requirements of customers. In accordance with thisthinking, WEG developed the new W01 Rolled Steel platform.
www.weg.netMain features and benefits of theW01 FHP Rolled Steel motorsgggggggNew ventilation system for improved thermal performanceVisual identity along the full scope and with internal boltsOversized diagonally split aluminum terminal box rotatable in 90º increments on TEFC motorsOptional internal AEGIS SGR for three-phase motorsSuitable for VFD operation as per NEMA MG1 part 31.4.4.2Color coded/numbered leads as standard for easy wiringBearing cap as standard on all flanged motorsW01 Rolled Steel3
www.weg.netVisual indexTEFC312810V ringD endshieldBearingsShaft/RotorStator windingFrameCapacitorCapacitor capTerminal boxCentrifugal switchTie rodSwitchSpring washerFanFan coverND endshieldDrain plug12345678910111271314151617Table 1 – Part description - TEFC15514416131132769171ODP71095214D endshieldBearingsInternal bafflesShaft/RotorStator windingFrameCapacitorCapacitor capCentrifugal switchTie rodSwitchTerminal boardND endshieldSpring washer123456789101112131481113Table 2 – Part description - ODP4122317634W01 Rolled Steel
www.weg.netTable of Contents1. Standards.62. Construction Details.62.1 Frame.62.1.1 Feet.62.2 Eyebolts.62.3 Shaft Grounding devide - AEGIS SGR for three-phase motors.62.4 Terminal box.72.5 Terminal Board .72.6 Stator winding.72.7 Endshields and Flanges .72.8 Drains.72.9 Ventilation System.82.10 Fan cover.82.11 Nameplate.83. Shaft/Bearings/Stresses.83.1 Shaft.83.2 Bearings.93.2.1 Bearing Caps.94. Mounting . .95. Protection degree / Seal / Coating.95.1 Protection degree.95.2 Bearing Sealing. 105.3 Coating. 106. Voltage / Frequency. 107. Environment. 108. Operation characteristics. 108.1 Operation with frequency inverter - three phase motors. 108.1.1 Influence of the Inverter on the Temperature Rise of the Motor. 108.1.2 Criteria for torque reduction. 118.1.3 Common mode voltages. 119. Installation characteristics . 1210. Standard Features. 1210.1 W01 Rolled Steel - TEFC. 1210.2 W01 Rolled Steel - ODP. 1311. Optionals . 1411.1 W01 Rolled Steel - TEFC. 1411.2 W01 Rolled Steel – ODP . 1612. Electrical data. 1812.1 General Purpose - ODP - Standard Efficiency - Single Phase . 1812.2 General Purpose - ODP - Premium Efficiency - Single Phase. 1912.3 General Purpose - TEFC - Standard Efficiency - Single Phase.2012.4 General Purpose - TEFC - Premium Efficiency - Single Phase.2112.5 Jet Pump - Keyed - ODP - Standard Efficiency - Single Phase.2112.6 Jet Pump - Keyed - ODP - Premium Efficiency - Single Phase.2212.7 Jet Pump - Keyed - TEFC - Standard Efficiency - Single Phase.2212.8 Jet Pump - Keyed - TEFC - Premium Efficiency - Single Phase .2312.9 Jet Pump - Threaded - ODP - Standard Efficiency - Single Phase .2312.10 Jet Pump - Threaded - ODP - Premium Efficiency - Single Phase . 2412.11 Jet Pump - Threaded - TEFC - Standard Efficiency - Single Phase.2512.12 Jet Pump - Threaded - TEFC - Premium Efficiency - Single Phase.2512.13 General Purpose - ODP - Standard Efficiency - Three Phase .2612.14 General Purpose - ODP - Premium Efficiency - Three Phase .2812.15 General Purpose - TEFC - Standard Efficiency - Three Phase.2912.16 General Purpose - TEFC - Premium Efficiency - Three Phase .3012.17 Jet Pump - Keyed - ODP - Standard Efficiency - Three Phase.3112.18 Jet Pump - Keyed - ODP - Premium Efficiency - Three Phase.3212.19 Jet Pump - Keyed - TEFC - Standard Efficency - Three Phase .3312.20 Jet Pump - Threaded - ODP - Standard Efficiency - Three Phase .3412.21 Jet Pump - Threaded - ODP - Premium Efficiency - Three Phase .3412.22 Jet Pump - Threaded - TEFC - Standard Efficency - Three Phase.3512.23 Jet Pump - Threaded - TEFC - Premium Efficiency - Three Phase .3513. Mechanical data.3613.1 ODP – General Purpose.3613.2 TEFC – General Purpose.3613.3 Flanges.3613.4 Jet Pump Keyed.3813.5 Jet Pump Threaded.3814. Drip cover.3915. Packaging.39W01 Rolled Steel5
www.weg.net1. StandardsThe W01 Rolled Steel motors meet the requirements andregulations of the current versions of the following standards:StandardNEMA MG 1UL 1004-1CSA C22.2 No 100CSA C390IEEE STD 112UL 1004-3TitleMotor and GeneratorsRotating Electrical Machines – General RequirementsMotor and GeneratorsTest Methods, Marking Requirements and Energy EfficiencyLevels for Three-Phase Induction MotorsIEEE Standard Test Procedure for Polyphase InductionMotors and GeneratorsThermally Protected MotorsFigure 1 – Motor with 56 feet (left) and 56H feet (right)Table 3 – Standards observed in the motor design.The W01 Rolled Steel motors are fitted with groundingterminal inside the terminal box (see Figure 2 and 3). Asstandard, for W01 FHP Rolled Steel motors, the groundingterminal is a green bolt.2. Construction DetailsThe information contained herein refers to the standardmounting features and the most common variants of the W01Rolled Steel line.Motors for special applications and/or customized are alsoavailable upon request. Please, contact the nearest WEGoffice.2.1 FrameProduced in steel plate SAE 1010, the frames of the W01FHP Rolled Steel motors are covered with a new nanoceramic coating as standard.2.1.1 Feet56 frames are available in two different feet designs. The useof one or the other changes the frame identification, being 56used for the standard 56 feet and 56H used for motors withthe double punched feet. The 56H feet has the samedimensions of a 143/5T feet.The table below shows the standard feet size for 56 framemotors:Figure 2 – Detail of the grounding terminal for TEFC motors2.2 Grounding terminalsSpeed (RPM)HPFeet size0.250.330.536000.7556Figure 3 – Detail of the grounding terminal for ODP 02.3 Shaft Grounding device - AEGIS SGR forthree-phase motorsW01 Rolled Steel motors can optionally be supplied with anAEGIS grounding brush (see Figure 4) installed on internalbearing cap, which prevents, when operated with VFDs, thedischarge of electric current from the rotor to the motor framethrough the bearings avoiding its premature wear.56H0.250.331200560.50.751.056HTable 4 – Feet sizes for frame 56.Figure 4 – AEGIS grounding brush installed on the bearing cap.6W01 Rolled Steel
www.weg.net2.4 Terminal boxManufactured in die cast aluminum SAE 305, the terminalbox have internal usable volume exceeding the requirementsof NEMA MG-1 and designed so it can be rotated in steps of90 , allowing more flexibility for leads inlet positioning in astandard stock product. The ingress protection exceeds IP55grade and following the W22 products, the terminal box isdiagonally split for easier handling of leads and connections.As standard, the leads inlet is non-threaded, allowing the useof cable glands or clamp connectors from different gauges,metric and standard. Threaded inlets and additional inlets arealso available upon request.2.6 Switch and Centrifugal SwitchThe starting system of the single-phase motors were completelyredesigned to improve its functionality increasing the systemreliability and lifespan. The concept of the switch with itsreduced size avoids the strain of the component while thecentrifugal switch ensures its opening in precise speed.Figure 8 – Switch (left) and Centrifugal Switch (right)2.7 Stator windingThe stator windings of the W01 Rolled Steel motors are suppliedwith class F insulation and temperature rise class B (80 K). Othercombinations can be provided upon request.Figure 5 – Terminal box components.Note:For ODP 56 frame motors, the terminal box is integrated to theNDE endshield (see figure 6). Compared to the previous motorversion, the internal volume and opening are also oversized,making the cable connections easier. The cable inlet is a holestamped on the frame shell, suitable for both NPT and NPS ½”cable glands.2.8 Endshields and FlangesIn accordance with market trends, the W01 FHP Rolled Steelplatform endshields and flanges FC-149 are produced in diecast aluminum SAE 305, providing great mechanical strength,lightweight and corrosion resistance. Flanges type FC-95 areproduced in cast iron FC-200.Figure 9 – ODP flange (left) and TEFC flange (right).Figure 6 – ODP 56 frame terminal box.2.5 Terminal BoardAs optional, ODP motors may be supplied with a terminalboard for faster and safer cable conexion. The terminal boardis assembled inside the terminal box located on the NDEendshield.2.9 DrainsThe TEFC Rolled Steel motors have drains which avoid theaccumulation of condensed liquids or their ingress into themotor. Consequently these devices prevent corrosion ordamage to the internal parts of the motor. As standard, thedrains are plugs made of rubber and assembled in theframes or flanges, depending on configurations.Figure 10 – Closed drain position (detail).Figure 7 – Terminal boardW01 Rolled Steel7
www.weg.netNote:The drains are factory assembled in closed position (seeFigure 10) as standard and must be opened periodically toremove condensed water. In environments with highcondensation, IP55 motors can be assembled with drains inopened position (see Figure 11). However, for IP56 motors,the drains must be kept closed, just opening it duringmaintenance.2.11 Fan coverThe fan covers are built in hi-impact grade ABS plastic, whichensures rigidity in accordance with UL 1004-1 of 6,8J, alsoproviding painting adherence without any surface treatment,making it perfect for customers whom want to repaint themotor in the application.The new fan cover is also ready for easy addition of a dripcover without any disassembly operation. Just screw tightthe drip cover kit rods in the holes shown in the figure below.Figure 11 – Opened drain position (detail)2.10 Ventilation SystemThe motors of the W01 Rolled Steel line comply with thespecification of Totally Enclosed Fan Cooled (TEFC IC-411) orOpen Drip Proof (ODP IC-01) according to NEMA MG-1 Part6 standard.Upon request, WEG can supply non-ventilated (TENV) andAir Over (TEAO) versions.The ODP motors have internal radial fans composed by thealuminum fins on the rotor and internal baffles to guide theairflow. The air flows from outside through the endshieldsinlets going expelled by the frame outlets.On the TEFC motors, an external radial fan made ofpolypropylene is mounted on the NDE shaft and protected bythe fan cover. Both, ODP and TEFC ventilation system, weredeveloped with computational fluid dynamics softwares andvalidated with prototypes in order to optimize the airflowthrough the frame and coil heads, reducing noise level andthe power losses with ventilation, while at the same timeimproving heat transfer.Figure 13 – Fan cover and drip cover (detail).2.11 NameplateThe nameplates are made of polyester and containinformation describing the mounting features and motorperformance. In addition, it also informs the motormanufacturing date. Figure 14 shows the layout of thenameplate on the W01 Rolled Steel Figure 12 – Demonstration of the airflow.8W01 Rolled SteelFigure 14- Nameplate.23
CertificationsManufacturing dateInternal Motor CodeNumber of phasesOutputFrequencyRated voltageSpeedRated currentFrame modelDesign codeDegree of protectionEnclosure typeAmbient temperatureStarting current codeService factorInsulation classService factor currentPower factorDuty cicleEfficiencyDuty factor at specific voltageWiring diagramAlternative rating dataThe bearing cap have an “U” format (see Figure 15) thatallows easy installation in the field without the expense ofremoving the DE bearing in case where addition of flange isrequired on standard motors.Figure 15 – “U” format bearing cap to fix DE bearingTable 6 lists the materials of the bearing caps used in theW01 Rolled Steel motors.FrameDE BearingsMaterial48-566203 / 6204 / 6205Aluminum SAE 305Table 5 – Description of the data on the motor nameplate.Table 6– Bearing cap specification.3. Shaft/Bearings/Stresses4. Mounting3.1 ShaftThe shafts of the W01 Rolled Steel motors comply with NEMAMG 1 and undergo several numerical analyses until reaching thefinal dimensioning. Among the evaluation steps are: calculation offatigue with consideration of stress concentration, torsion,bending and traction-compression efforts, stress anddeformation, torsional and modal analysis.The standard shaft material is AISI 1040/45 steel, and with an Atype key provided. WEG can also provide motors with doubleend shaft with special dimensions, and shafts made of AISI 4140and the stainless steel grades AISI 304 or AISI 316 for highlycorrosive environments, all upon request. The dimensions for theshaft and key can be found in section 13. Mechanical data.The standard motors are supplied in the F1 mounting, flangedand footless options available, with the terminal box on the leftside of the frame, when looking at the drive end of the motor.The mounting designation for the W01 Rolled Steel motorsfollows the NEMA MG-1 Part 4 standard. Different mountingforms can be provided, as shown in Table 7.3.2 BearingsThe standard on W01 FHP Rolled Steel motors are doubleshielded ball bearings (ZZ type) lubricated with Mobil PolirexEM grease for its entire lifetime. By default, the bearings aregrease lubricated and have L10h minimum useful life of 26,280hours, for conditions and loads defined by NEMA MG 1 – part14.42. The bearing lifetime depends on the type and size of thebearing, radial and axial loads they are subject to, theoperating conditions (ambient temperature), the speed andgrease life. Thus, its lifetime is closely related to its correct use.The standard ball bearing sizes can be found in section 10.Construction Features.Note:The bearing lifetime L10h, in terms of operating hour, is the life that90% of bearings reached or even exceeded when the motors areoperated in compliance with the data provided in this catalog.The bearings lifetime can be reduced when the motors are fedby frequency inverters and operate at non-nominal high speed.3.2.1 Bearing CapsFor compensation of axial displacements, the motors havespring washers as standard on the NDE endshield. Also, allmotors with flange have a locked DE bearing by an internalbearing cap. Upon request, the bearing cap can be suppliedas optional for all other mounting configurations.Floor mountingsAssembly F-1Assembly F-2Assembly F-3Assembly W-1Assembly W-2Assembly W-3Assembly W-4Assembly W-5Assembly W-6Assembly W-7Assembly W-8Assembly W-9Assembly W-10Assembly W-11Assembly W-12Wall mountingsCeiling mountingsAssembly C-1Assembly C-2Assembly C-3Table 7 – Mounting forms.W01 Rolled Steel9
www.weg.net5. Protection degree / Seal / Coating7. Environment5.1 Protection degreeThe W01 Rolled Steel motors are provided with protection asspecified by NEMA MG-1 Part 5 standard.According to NEMA MG 1 Part 14 standard, the normaloperating conditions of electric motors are:For the TEFC motors, the standard degree of protection is IP55,where:ggThe first numeral 5 indicates that the enclosureprovides protection against contact or approach to live ormoving parts inside the enclosure. The ingress of dust is nottotally prevented, but dust does not enter in quantity enough tointerfere with the satisfactory operation of the machine.The second numeral 5 indicates that the motor isprotected against water thrown by a nozzle from any directionand it cannot have harmful effect.For the ODP motors, the degree of protection is IP21, where:ggThe first numeral 2 indicates that the enclosureprovides protection against contact or approach to live ormoving parts inside the enclosure by fingers or solid objectsgreater than Ø 0.4724in.The second numeral 1 indicates that the motor isprotected against vertically falling dripping water.5.2 Bearing SealingThe standard seal used on the DE endshield of the TEFCmotors are “V” Ring made of nitrile rubber (ASTM D2000M2BG 610). Optionally, the motors can be supplied withslinger, rubber lip seal or rubber oil seal.Note:For vertical mounting motors with shaft end to upwards, motorsare supplied with slinger, in addition to the standard seal.5.3 CoatingFor W01 FHP Rolled Steel motors just the steel parts are coated,as standard, overcoming 500 hours on salt spray test. Someothers painting plans are available upon request.6. Voltage / FrequencyAccording to NEMA MG 1 Part 12, the motor shall operatesuccessfully under running conditions at rated load with avariation in the voltage or the frequency up to the following:gggAmbient temperature between -20ºC and 40ºC;Altitude not exceeding 3300 feet (1000 m) above sea level.For temperatures and altitudes other than those indicatedabove, use Table 8 to find the correction factor that must beused to define the available useful output power.gT ( 0,720,670,640,60Altitude (m)3000 0,670,620,580,530,48Notes:Motor for special applications which will operate intemperatures under -20 C or over 40 C can be evaluatedupon request.8. Operation characteristicsDuring installation and any intervention on the machine, allrecommendations for handling, lifting and maintenance mustbe observed.8.1 Three-phase motors operating with frequency inverterThe W01 Rolled Steel motors have a design suitable forapplications with variable speed. The exclusive insulationtechnology WISE ensures high electrical insulationperformance. The Table 9 defines the criteria for frequencyinverter applications.Peak voltageon motorterminalsVoltagePlus or minus 5 percent of rated frequency, at ratedvoltage.V 460 V 1600 V 5200 V/µs460 V 575 V 2000 V 6500 V/ µs575 V 1000 2400 V 7800 V/ µsdV/dt* on motorterminalsRise time*Time betweenpulses 0.1 µs 6 µsg10W01 Rolled ,620,580,530,490,44Table 8 - Correction factors considering altitude and ambient temperature.Plus or minus 10 percent of rated voltage,
www.weg.net W01 Rolled Steel 3 Main features and benefits of the W01 FHP Rolled Steel motors g New ventilation system for improved thermal performance g Visual identity along the full scope and with internal bolts g Oversized diagonally split aluminum terminal box rotatable in 90º increments on TEFC motors g Optional internal AEGIS SGR for three-phase motors
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Firestone Air Spring Part Numbering System Firestone, uses two methods for their part numbering system: Assembly Order Number (AON) or Style Number. Assembly Order Number format: o W01-358-XXXX, '358' indicates Imperial threads o W01-M58-XXXX, M58 indicates Metric threads o W01-R58-XXXX R58 indicates a Ring assembly o W02-358-XXXX
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3679.1:1996 Structural Steel - Hot Rolled Bars and Sections. Grade Availability 300PLUS Steel is the standard grade manufactured by OneSteel for hot rolled Structural Steel Sections. 300PLUS Steel for hot rolled products is produced to exceed the minimum requirements of AS/NZS 3679.1:1996 grade 300. Other grades including 300PLUSL0, AS/NZS .
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