background image

 

 

 

ARGENTINA 

WEG EQUIPAMIENTOS ELECTRICOS S.A. 
Sgo. Pampiglione 4849  
Parque Industrial San Francisco 
2400 - San Francisco  
Phone: +54 (3564) 421484 

www.weg.net/ar

 

 

AUSTRALIA 

WEG AUSTRALIA PTY. LTD.  
14 Lakeview Drive, Scoresby 3179,  
Victoria  
Phone: +03 9765 4600 

www.weg.net/au

 

 
AUSTRIA 

WATT DRIVE ANTRIEBSTECHNIK GMBH *  
Wöllersdorfer Straße 68 
2753, Markt Piesting  
Phone: + 43 2633 4040 

www.wattdrive.com

 

 

LENZE ANTRIEBSTECHNIK GES.M.B.H *  
Ipf - Landesstrasse 1  
A-4481 Asten 
Phone: +43 (0) 7224 / 210-0 

www.lenze.at

 

 
BELGIUM  

WEG BENELUX S.A.*

  

Rue de l’Industrie 30 D, 
1400 Nivelles  
Phone: +32 67 888420 

 

www.weg.net/be

 

 

BRAZIL  

WEG EQUIPAMENTOS ELÉTRICOS S.A.

 

Av. Pref. Waldemar Grubba, 3000,  
CEP 89256-900 Jaraguá do Sul – SC 
Phone: +55 47 3276-4000  

www.weg.net/br

 

 

CHILE  

WEG CHILE S.A.

 

Los Canteros 8600, 
La Reina - Santiago  
Phone: +56 2 2784 8900  

www.weg.net/cl

 

 

CHINA  

WEG (NANTONG) ELECTRIC MOTOR 
MANUFACTURING CO. LTD. 
No. 128# - Xinkai South Road, Nantong 
Economic & Technical Development Zone,  
Nantong, Jiangsu Province  
Phone: +86 513 8598 9333  

www.weg.net/cn

 

 

COLOMBIA  

WEG COLOMBIA LTDA 
Calle 46A N82 – 54 
Portería II - Bodega 6 y 7  
San Cayetano II - Bogotá  
Phone: +57 1 416 0166  

www.weg.net/co

 

 

DENMARK 

 

WEG SCANDINAVIA DENMARK *  
Sales Office of WEG Scandinavia AB  
Verkstadgatan 9 - 434 22 Kumgsbacka, 
Sweden  
Phone: +46 300 73400  

www.weg.net/se

 

 

FRANCE  

WEG FRANCE SAS * 
ZI de Chenes - Le Loup13 / 38297 Saint 
Quentin Fallavier, 
Rue du Mo¬rellon - BP 738/ 
Rhône Alpes, 38 > Isère  
Phone: + 33 47499 1135  

www.weg.net/fr

 

 
 
 
 
 
 
 

GREECE  

MANGRINOX* 
14, Grevenon ST. 
GR 11855 - Athens, Greece 
Phone: + 30 210 3423201-3 

www.weg.net/gr

 

 

GERMANY 

WEG GERMANY GmbH*  
Industriegebiet Türnich 3 Geigerstraße 7  
50169 Kerpen-Türnich  
Phone: + 49 2237 92910  

www.weg.net/de

 

 

GHANA  

ZEST ELECTRIC MOTORS (PTY) LTD. 
15, Third Close Street Airport Residential Area, 
Accra  
Phone: +233 3027 66490  

www.zestghana.com.gh

 

 

HUNGARY  

AGISYS AGITATORS & TRANSMISSIONS 
LTD.*  
Tó str. 2. Torokbalint, H-2045 Phone: + 36 
(23) 501 150  

www.agisys.hu

 

 

INDIA  

WEG ELECTRIC (INDIA) PVT. LTD.  
#38, Ground Floor, 1st Main Road,  
Lower Palace, Orchards, 
Bangalore, 560 003  
Phone: +91 804128 2007 

www.weg.net/in

 

 

ITALY  

WEG ITALIA S.R.L.* 
Via Viganò de Vizzi, 93/95  
20092 Cinisello Balsamo, Milano Phone: + 39 
2 6129 3535  

www.weg.net/it

 

 
FERRARI S.R.L.* 
Via Cremona 25 26015  
Soresina (CR), Cremona  
Phone: + 39 (374) 340-404  

www.ferrarisrl.it

 

 
STIAVELLI IRIO S.P.A.*  
Via Pantano - Blocco 16 - Capalle 50010 , 
Campi Bisenzio (FI)  
Phone: + 39 (55) 898.448  

www.stiavelli.com

 

 

JAPAN 

 

WEG ELECTRIC MOTORS JAPAN CO., LTD.  
Yokohama Sky Building 20F, 2-19-12 
Takashima, Nishi-ku, Yokohama City, 
Kanagawa, Japan 220-0011 
Phone: + 81 45 5503030  

www.weg.net/jp

 

 

MEXICO  

WEG MEXICO, S.A. DE C.V. 
Carretera Jorobas-Tula  
Km. 3.5, Manzana 5, Lote 1 Fraccionamiento 
Parque Industrial 
Huehuetoca 
Estado de México - C.P. 54680  
Phone: +52 55 53214275  

www.weg.net/mx

 

 

NETHERLANDS  

WEG NETHERLANDS * 
Sales Office of WEG Benelux S.A. Hanzepoort 
23C, 7575 DB Oldenzaal 
Phone: +31 541 571090  

www.weg.net/nl

 

 

PORTUGAL  

WEG EURO - INDÚSTRIA ELÉCTRICA, S.A.*  
Rua Eng. Frederico Ulrich, 
Sector V, 4470-605 Maia,  
Apartado 6074, 4471-908 Maia, Porto  
Phone: +351 229 477 705  

www.weg.net/pt

 

 
 

RUSSIA  

WEG ELECTRIC CIS LTD *  
Russia, 194292, St. Petersburg, Pro¬spekt 
Kultury 44, Office 419  
Phone: +7 812 3632172  

www.weg.net/ru

 

 

SOUTH AFRICA 

 

ZEST ELECTRIC MOTORS (PTY) LTD.  
47 Galaxy Avenue, Linbro Business 
Park Gauteng Private Bag X10011  
Sandton, 2146, Johannesburg  
Phone: +27 11 7236000  

www.zest.co.za

 

 

SPAIN 

 

WEG IBERIA INDUSTRIAL S.L.* 
C/ Tierra de Barros, 5-7  
28823 Coslada, Madrid  
Phone: +34 91 6553008  

www.weg.net/es

 

 

SINGAPORE  

WEG SINGAPORE PTE LTD 
159, Kampong Ampat, #06-02A KA PLACE. 
368328  
Phone: +65 68581081  

www.weg.net/sg

 

 

SWEDEN  

WEG SCANDINAVIA AB * 
Box 27, 435 21 Mölnlycke  
Visit: Designvägen 5, 435 33 
Mölnlycke, Göteborg 
Phone: +46 31 888000  

www.weg.net/se

 

 

SWITZERLAND  

BIBUS AG * 
Allmendstrasse 26, 8320 – Fehraltorf  
Phone: + 41 44 877 58 11  

www.bibus-holding.ch

 

 

UNITED ARAB EMIRATES  

The Galleries, Block No. 3, 8th Floor, 
Office No. 801 - Downtown Jebel Ali  
262508, Dubai  
Phone: +971 (4) 8130800  

www.weg.net/ae

 

 

UNITED KINGDOM  

WEG ELECTRIC MOTORS (U.K.) LTD.*  
Broad Ground Road - Lakeside Redditch, 
Worcestershire B98 8YP  
Phone: + 44 1527 513800 

www.weg.net/uk

 

 
ERIKS * 
Amber Way, B62 8WG Halesowen 
West Midlands 
Phone: + 44 (0)121 508 6000 
 
BRAMMER GROUP *  
PLC43-45 Broad St, Teddington  
TW11 8QZ  
Phone: + 44 20 8614 1040 
 

USA  

WEG ELECTRIC CORP. 
6655 Sugarloaf Parkway, Duluth, GA 30097 
Phone: +1 678 2492000  

www.weg.net/us

 

 

VENEZUELA  

WEG INDUSTRIAS VENEZUELA C.A. 
Centro corporativo La Viña Plaza, 
Cruce de la Avenida Carabobo con la calle 
Uzlar de la Urbanización La Viña / Jurisdicción 
de la Parroquia San José - Valencia  
Oficinas 06-16 y 6-17, de la planta tipo 2, Nivel 
5, Carabobo 
Phone: (58) 241 8210582 

www.weg.net/ve

 

 
 
 
 

* European Union Importers

 

Summary of Contents for WGM20 Series

Page 1: ...utomation I Energy I Transmission Distribution I Coatings Three phase induction motors cooled by water jacket WGM20 line Squirrel cage rotor Horizontal and Vertical Installation Operation and Maintena...

Page 2: ......

Page 3: ...Installation Operation and Maintenance Manual Document Number 10005256831 Material number 14108242 Model WGM20 Language English Revision 01 March 2018...

Page 4: ......

Page 5: ...efore we recommend that you read this manual carefully before proceeding with the installation operation or maintenance of the motor in order to ensure safe and reliable operation of your equipment an...

Page 6: ......

Page 7: ...17 3 3 3 6 Bearings 17 3 3 3 7 Terminal boxes 17 3 3 3 8 Cleanliness and conservation of the motor during storage 17 3 3 3 9 Inspections and records during storage 17 3 3 3 10 Predictive preventive m...

Page 8: ...ng 28 4 8 8 Couplings 28 4 8 8 1 Direct coupling 28 4 8 8 2 Gear coupling 28 4 8 8 3 Belt drive 28 5 STARTING 30 5 1 DIRECT ON LINE STARTING 30 5 2 DIRECT ONLINE STARTING FREQUENCY 30 5 3 LOCKED ROTOR...

Page 9: ...assembly 40 7 10 9 4 NDE vertical bearing disassembly 40 7 10 9 5 Bearing assembly 41 7 10 9 6 Bearing insulation 41 7 10 10Rolling bearing replacement 41 7 10 11Bearing protection 41 7 10 11 1 Protec...

Page 10: ......

Page 11: ...s with major special features is necessary consult WEG All procedures and standards contained in this manual must be observed in order to ensure proper operation of the motor and the safety of the per...

Page 12: ...n for example keep people away avoid contact of children etc Those responsible for the safety of the installation must ensure that Only qualified personnel install and operate the equipment They have...

Page 13: ...ls within the limits in accordance with the IEC60034 1 standard Voltage may vary within a range of 10 of the rated value Frequency may vary within a range of 5 to 3 of the rated value Figure 2 1 Volta...

Page 14: ...the final assembly A complete visual inspection of the motor must be carried out after removing the package The shaft locking system must be removed just before the installation and stored to be used...

Page 15: ...heaters must remain powered during storage in order to avoid moisture condensation inside the motor Any damage to the paint or corrosion protection of the machined parts must be repaired 3 3 1 Outdoor...

Page 16: ...tation and fungus formation the package must be protected in the storage place by spraying it or painting it with appropriate chemicals The package preparation must be prepared carefully by an experie...

Page 17: ...erminal boxes must also be inspected observing the following aspects The inside must be dry clean and free of any dust accumulation The contact elements cannot present corrosion The seals must be in p...

Page 18: ...inal boxes X X Inspect the seals and gaskets X X BEARINGS Rotate the shaft X Relubricate the bearing X Disassemble and clean the bearing If the storage period exceeds 2 years 3 3 4 Preparation for com...

Page 19: ...operation it must be protected against moisture high temperatures and dirt thus avoiding impacts on the insulation resistance The winding insulation resistance must be measured before putting the moto...

Page 20: ...n index allows the assessment of the motor insulation conditions DANGER In order to avoid accidents the winding must be grounded immediately after measuring the insulation resistance 4 4 6 Conversion...

Page 21: ...ure the working conditions are considered special and the motor specific documentation must be consulted The Table 4 4 shows the numerical values and the composition of the acceptable temperature at t...

Page 22: ...connecting cables must be shielded and the shield must be grounded The installation of the signal cables should be done in a linear manner avoiding turns and should not be installed near of the power...

Page 23: ...32 148 70 149 07 149 45 130 149 82 150 20 150 57 150 95 151 33 151 70 152 08 152 45 152 83 153 20 140 153 58 153 95 154 32 154 70 155 07 155 45 155 82 156 19 156 57 156 94 150 157 31 157 69 158 06 158...

Page 24: ...motor cooling system nameplate must be strictly followed The water inlets and outlets must not be obstructed because it can cause overheating or even lead to burning the motor 4 6 1 1 Cooling system...

Page 25: ...x with the cover 3 NOTE The stator terminal box allows for 180 rotation in horizontal motors and 90 in vertical motors Figure 4 5 Stator terminal box Figure 4 5 legend 1 Stator terminal box 2 Connecti...

Page 26: ...ust be tightened The rail closer to the driving pulley must be mounted so that the positioning bolt is placed between the motor and the driven machine The other rail must be mounted with the bolt in t...

Page 27: ...rregularities on the dial gauge tip Choosing the upper vertical point as 0 half of the difference between the dial gauge measurements at the 0 and 180 points represents the vertical coaxial error In c...

Page 28: ...or removed with the aid of proper devices and never by means of rudimentary tools such as hammers sledgehammers etc ATTENTION Dowel pins nuts washers and leveling shims may be supplied with the motor...

Page 29: ...evented by applying a resin like material such as pitch for instance The belt tension must be just enough to prevent slippage during operation NOTE Belts too tensioned increase the load on the shaft e...

Page 30: ...uction motors have a high starting current the time spent to accelerate loads with high inertia results in a quick rise of the motor temperature If the intervals between successive starts are too shor...

Page 31: ...the space heaters 2 Set the protections in the control panel 3 Turn ON the water cooling system checking the necessary flow and pressure and the temperature of the cooling water 4 Rotate the motor sh...

Page 32: ...when the purchase contract specifies different values The vibration measurements are carried out on the NDE and DE bearings in the vertical horizontal and axial directions When the customer sends the...

Page 33: ...ance measurements must be done at regular intervals especially during humid weather and after prolonged motor stoppages Low values or sudden variations in the insulation resistance must be investigate...

Page 34: ...r an increase in cooling water temperature it indicates an increase of scale formation in the channels which over time can clog and impair the water circulation In this case the cooling water channels...

Page 35: ...or Table 8 2 and locked with chemical lock 7 6 VIBRATION Any evidence of increase in the unbalance or vibration of the motor must be investigated immediately 7 7 MOTOR OUT OF OPERATION When the motor...

Page 36: ...o make the lubrication with the motor in operation in order to ensure the renewal of the grease in the rolling bearing housing If that is not possible due to the presence of rotating parts near the gr...

Page 37: ...es for regular applications Manufacturer Grease Constant operating temperature C Multiplication factor Exxon Mobil UNIREX N3 Lithium Complex Soap 30 to 150 0 90 Shell ALVANIA RL3 Lithium Soap 30 to 12...

Page 38: ...perties of the mixture are within the property ranges of the greases individually In general greases with the same type of soap are compatible however depending on the proportion of the mixture there...

Page 39: ...rew 7 that fasten the grease flinger 5 Remove the grease flinger 4 6 Remove the DE end shield of the motor 2 7 Remove the bearing 3 8 Remove the internal bearing cap 6 if is necessary 7 10 9 2 NDE hor...

Page 40: ...the bearing 3 8 Remove the internal bearing cap 5 if is necessary 7 10 9 4 NDE vertical bearing disassembly Figure 7 9 NDE vertical bearing Figure 7 9 legend 1 Shaft 2 NDE end shield 3 Bearing 4 Grea...

Page 41: ...tions in the reverse order Figure 7 10 External bearing cap 7 10 9 6 Bearing insulation The motor has insulated NDE end shield and shaft grounding brush to prevent the passage of electric current thro...

Page 42: ...hreaded connection cable 1 Motor accessory 2 Accessory connection cable Accessory location Accessory disassembly assembly Pt 100 of water inlet and outlet Water leakage sensor Horizontal Motors Water...

Page 43: ...and coil heads support the shaft on DE and NDE sides 8 1 1 Disassembly 1 Disconnect the cables of the bearings temperature sensors in the accessories terminal box 2 Disassemble the DE bearing 6 and th...

Page 44: ...rminal box 2 Disassemble the DE bearing 6 and the motor DE end shield 4 as described in item 7 10 9 3 3 Remove the KMT nut 16 that fasten the NDE bearing 4 Disassemble the NDE bearing 8 and the motor...

Page 45: ...3 510 338 382 254 M30 3 5 693 461 520 346 M33 3 5 937 622 703 466 M36 4 1207 802 905 602 M42 4 5 1929 1280 1447 960 M48 5 2892 1918 2170 1440 NOTE The resistance class is normally indicated on the hea...

Page 46: ...tions x BEARINGS Control of noise vibration leaks and temperature x Lubricant quality control x Lubricant change According to the period indicated on the bearing nameplate COOLING SYSTEM Verification...

Page 47: ...the power cables The stator current oscillates under load with double the slip frequency The motor presents a humming noise during starting Rotor winding is interrupted Check and repair the rotor win...

Page 48: ...ose Retighten and lock the screws The rotor balancing conditions become worse after the assembly of the coupling Balance the coupling Resonance in the foundation Adjust the foundation Motor frame defo...

Page 49: ...www weg net 14108242 Installation operation and maintenance manual Squirrel cage motor WGM20 Line l 49 12 DECLARATION OF CONFORMITY...

Page 50: ...nty in connection with this sale and is in lieu of all other warranties expressed or implied written or oral There are no implied warranties of merchantability or fitness for a particular purpose that...

Page 51: ...remona Phone 39 374 340 404 www ferrarisrl it STIAVELLI IRIO S P A Via Pantano Blocco 16 Capalle 50010 Campi Bisenzio FI Phone 39 55 898 448 www stiavelli com JAPAN WEG ELECTRIC MOTORS JAPAN CO LTD Yo...

Reviews: