Die Casting Copper Rotors - Copper Development Association

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Heat Conduction Q IQ l= ? w* A w* ( T Ob- T Med) / sQ l [ kJ ]? w Conductivity of the tool [ W/mK ]s The distance of the temperature canal from the cavity [ m ]A w The effective cross-section area of the tool [ m 2 ]T ObT medThe middle surface temperature [K]The middle wall temperature on the thermal fluid medium [K]Example: Conductivity of the steels? w 1.1730 50 W / mK1.2343 15 W / mKCu350 W / mK
Heat radiation Q StQ St= A DGW*? *C S* ( T WO4- T UM4)A DGW = Contact face of the die to the surrounding air [ m 2 ]? = Emissions degreeC S = Stefan-Boltzmann-constant for the black body5.67 * 10 -8 W / m 2 K 4T WO = Surface temperature of the die [K]T UM = Surrounding temperature [K]Example: Emissions degree of steel? steel bright grinded 0.25steel little rusty 0.6steel strong rusty 0.8( values at 293 K )
Page 1 and 2:
Die Cast Copper Motor RotorWorkshop
Page 3 and 4:
IntroductionProgram initiation - Ba
Page 5 and 6:
IntroductionObjectives? Development
Page 7:
IntroductionAdvantages to motor per
Page 10 and 11:
Cracking -Thermal Expansion & Contr
Page 12:
Die Materials TestingH-13 tool stee
Page 22 and 23:
Predicted Temperature Profiles
Page 24 and 25:
The Die Casting ProcessSystem desig
Page 26 and 27:
The Die Casting ProcessInductotherm
Page 28 and 29:
The Die Casting ProcessApplying dry
Page 30 and 31:
The Die Casting ProcessTransferring
Page 32 and 33:
The Die Casting ProcessEjecting cop
Page 34 and 35:
Testing Die MaterialsDr. John G. Co
Page 36 and 37:
Testing of Die Materials - H-13 Ste
Page 38 and 39:
Page 40 and 41:
Page 42 and 43:
Page 44 and 45:
Testing of Die Materials - CVD-W on
Page 46 and 47:
Testing of Die Materials - InconelV
Page 48 and 49:
Testing of Die Materials - InconelP
Page 50 and 51:
Testing of Die Materials - TZM & An
Page 52 and 53:
Testing of Die Materials - TZM & An
Page 54 and 55:
Testing of Die Materials - Nickel A
Page 56 and 57:
AlloyDie Materials TestingNickel-ba
Page 58 and 59:
AlloyDie Materials TestingSuperallo
Page 60 and 61: Die Materials TestingConclusions -
Page 62 and 63: Die Casting Copper RotorsMaster die
Page 64 and 65: Die Casting Copper RotorsLarger Ind
Page 66 and 67: Die Casting Copper RotorsArbor (Man
Page 68 and 69: Die Casting Copper RotorsAssembled
Page 70 and 71: Die Casting Copper RotorsInserting
Page 72 and 73: Die Casting Copper RotorsCopper pel
Page 74 and 75: Die Casting Copper RotorsPouring co
Page 76 and 77: Die Casting Copper RotorsEjecting r
Page 78 and 79: Die Casting Copper RotorsWater-quen
Page 80 and 81: Die Casting Copper RotorsCross-sect
Page 82 and 83: Rotor Steel Specification for Coppe
Page 84 and 85: Capabilities for Future Die Casting
Page 86 and 87: Motor Test ResultsMr. Darryl Van So
Page 88 and 89: Diminishing ReturnsLossesWe arehere
Page 90 and 91: Motor TestsRotor I 2 R Losses (Watt
Page 92 and 93: Motor TestsCopper rotor consistency
Page 94 and 95: Motor TestsRotor Cost Implications?
Page 96 and 97: 15 kW Motor - Past, Present and Fut
Page 98 and 99: Principles of die casting technolog
Page 100 and 101: Abbreviations for die castingA = ar
Page 102 and 103: Gate velocity v MAV MA=____________
Page 104 and 105: Metal flow rate Q mm AQ M=? ?t Fm p
Page 106 and 107: Runner cross section A kA KA K= 1.6
Page 108 and 109: Sankey diagram
Page 112 and 113: The three cooling areas
Page 114 and 115: Insulation material
Page 116 and 117: Insulation material
Page 118 and 119: Electrical heaters
Page 120 and 121: Electrical heaters
Page 122 and 123: The shot sleeve design
Page 124 and 125: The die design
Page 126: The die design
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Die Casting Copper Rotors - Copper Development Association

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