TAKING DATA ON FORM TAKING DATA ON FORM- -WOUND WOUND MOTORS MOTORS By : Manuel ”Manny” Garcia, Jr.
ACCURATE ACCURATE ACCURATE ACCURATE DATA DATA DATA DATA Taking accurate data allows the coil Taking accurate data allows the coil manufacturer: manufacturer: manufacturer: manufacturer: “TO MAKE THE COILS RIGHT “TO MAKE THE COILS RIGHT THE FIRST TIME ” THE FIRST TIME .
T T T T E E E E DATA SHE DATA SHE DATA SHE DATA SHE
NAME NAME NAME NAME PLATE PLATE PLATE PLATE DATA INFORMATION DATA INFORMATION DATA INFORMATION DATA INFORMATION
ME ME ME ME ASURING TOOLS RE ASURING TOOLS RE ASURING TOOLS RE ASURING TOOLS RE QUIRE QUIRE QUIRE QUIRE D D D D The tools require to take accurate data on form- The tools require to take accurate data on form -wound wound coils include: coils include: � Steel ruler (12 inch or 300mm) Steel ruler (12 inch or 300mm) � Steel ruler (3 foot or 1 meter) Steel ruler (3 foot or 1 meter) � Measuring tape � M M Measuring tape i i t t � A combination square (12 inch) A combination square (12 inch) � Adjustable parallels ( � Adjustable parallels ( Adjustable parallels (Starrett Adjustable parallels (Starrett Starrett S154LZ) Starrett S154LZ) S154LZ) S154LZ) � Vernier Vernier Calipers (6 inch or 150mm) Calipers (6 inch or 150mm) � Set of micrometers (0 to 2 inches or 0 to 100mm) Set of micrometers (0 to 2 inches or 0 to 100mm) ( ( ) )
Taking Stator Data Taking Stator Data Taking Stator Data Taking Stator Data Core Bore Diameter Core Bore Diameter Measure and record the largest Measure and record the largest measurement (to nearest 1/16” measurement (to nearest 1/16” or 1mm). or 1mm).
TOTAL CORE TOTAL CORE TOTAL CORE TOTAL CORE LE LE LE LE NGTH NGTH NGTH NGTH Total Core Length This is the length of the iron excluding the finger plates (to nearest 1/16” or 1mm) plates. (to nearest 1/16 or 1mm)
BACK IRON BACK IRON BACK IRON BACK IRON Back Iron This is the distance from the bottom of a slot to the outer edge g of the stator iron (near the frame). If the back iron dimensions vary, record the maximum and minimum dimensions (to the nearest 1/16” or 1mm) nearest 1/16 or 1mm).
NUMBE NUMBE R OF VE R OF VE NTS/ WIDTH OF VE NTS/ WIDTH OF VE NTS NTS Measure to the nearest 1/16” or 1mm Measure to the nearest 1/16 or 1mm
FINGE FINGE FINGE FINGE R PLATE R PLATE R PLATE R PLATE WIDTH WIDTH WIDTH WIDTH Measure to the nearest 1/16” or 1mm Measure to the nearest 1/16 or 1mm
OVE OVE OVE OVE RALL COIL LE RALL COIL LE RALL COIL LE RALL COIL LE NGTH NGTH NGTH NGTH Measure to the nearest 1/16” or 1mm
CONNE CONNE CONNE CONNE CTION AND E CTION AND E CTION AND E CTION AND E XTE XTE XTE XTE NSION NSION NSION NSION Measure to the nearest 1/16” or 1mm
STRAIGHT LE STRAIGHT LE STRAIGHT LE STRAIGHT LE NGTH NGTH NGTH NGTH Measure to the nearest 1/16” or 1mm
SMALL KNUCKLE SMALL KNUCKLE SMALL KNUCKLE SMALL KNUCKLE DROP DROP DROP DROP Measure to the nearest 1/16” or 1mm
LARGE LARGE LARGE LARGE KNUCKLE KNUCKLE KNUCKLE KNUCKLE DROP DROP DROP DROP Measure to the nearest 1/16” or 1mm
SUPPORT RING FROM CORE SUPPORT RING FROM CORE Measure to the nearest 1/16” or 1mm Large Motors Have More Than One Support Ring.
SUPPORT RINGS INSIDE SUPPORT RINGS INSIDE DIAME DIAME TE TE R R Measure to the nearest 1/16” or 1mm Measure to the nearest 1/16 or 1mm *Large Motors Have More Than One Support Ring.
Accuracy of Measurement .005" or 0.1mm SLOT WIDTH SLOT WIDTH SLOT WIDTH SLOT WIDTH
COIL TYPE COIL TYPE COIL TYPE COIL TYPE
LE LE LE LE AD LOCATION AD LOCATION AD LOCATION AD LOCATION
JUMPE JUMPE R R- -CONNE CONNE CTION CTION- -CIRCUITS CIRCUITS- - SLOTS SLOTS SLOTS SLOTS � JUMPER JUMPER . Determine Determine and and record record the the internal internal connection connection of ti ti of the f th the coil th coil group il il group (e (e. ( .g g. . 1-4 or 1 4 or 1-7). 1 7) � CONNECTION CONNECTION . Determine Determine and and record record the the connection connection of connection connection of of the of the the stator the stator stator windings stator windings windings: Wye windings: Wye Wye or Wye or or Delta or Delta Delta Delta. � NUMBER NUMBER OF OF CIRCUITS CIRCUITS . . Determine Determine and and record record the the number the the number number of number of of parallel of parallel parallel circuits parallel circuits circuits circuits. � NUMBER NUMBER OF OF SLOTS SLOTS . Count Count and and record record the the number number of number number of of stator of stator stator slots stator slots slots slots.
COIL THROW COIL THROW COIL THROW COIL THROW
TURNS PE TURNS PE TURNS PE TURNS PE R COIL R COIL R COIL R COIL •1 wire in hand or in parallel = 22 turn terrace wound coil. •Count several coils to make sure these have the same turns.
STRAND INSULATION STRAND INSULATION STRAND INSULATION STRAND INSULATION Strand Insulation Strand Insulation � Film � Film Film Film � Extra heavy film “Quad” Extra heavy film “Quad” � Single glass Single glass � Double glass Double glass g � Mica Taped Mica Taped � Other � Other Other Other � Is the motor used with an inverter? Is the motor used with an inverter?
W W W W IRON SKE IRON SKE IRON SKE IRON SKE
IMPORTANT TIPS IMPORTANT TIPS IMPORTANT TIPS IMPORTANT TIPS � Is the stator fully wedged? Is the stator fully wedged? � Do the wedges have vent groves? Do the wedges have vent groves? � Are the wedges: A A Are the wedges: th th d d • Glass Glass • 100% Magnetic (metal dust and epoxy) 100% Magnetic (metal dust and epoxy) g • Magnetic Permeable Magnetic Permeable • E E poxy Glass poxy Glass � Is the blocking special? � Is the blocking special? Is the blocking special? Is the blocking special? � Count turns on several coils. Count turns on several coils. � Take a picture of special features . Take a picture of special features . � Is the motor operated with an inverter? Is the motor operated with an inverter?
DATA SHE DATA SHE E E T IS COMPLE T IS COMPLE TE TE “Strip & Wind” “Strip & Wind” Strip & Wind Strip & Wind IS IS NEXT! NEXT!
? ¿Any Questions? ¿Any Questions
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