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権田金属工業

Gonda Metal Industry Co., LTD.

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 GK Product Lineup 
Copper and Copper Alloy Products
Materials 
  Copper Busbar 
  Copper Round Rod 
Copper Anode for Plating 
Brass Round Rod/
Cadmium-less Brass Round Rodd
 
Copper Coils 
Special-alloy Rotor Bars 
High-quality Oxygen-free copper 
 Forgings
Ring/Plate 
Closed Die Forging 
Magnesium Alloy Products
Materials 
Magnesium alloy sheet AZ61
Workpieces 
Reflow palette made from Magnesium alloy AZ61
Die forgings
Forgings by magnesium alloys 
 

Special-alloy Rotor Bars

Special-alloy rotor bars are commutator for rotating machines made of copper and zinc alloy (65/35) and copper and silver alloys (Ag=0.08%,etc.). It is used for vehicle motors and industrial motors.

 
 Special-alloy Rotor Bars

Example of Use
 Motor Rotor
 
 
 Large motor

Material and chemical composition(%)
Types Cu Pb Fe Sn Ag Zn Cu+Ag
C2700 63.0

67.0
0.05
or less
0.05
or less
rem.
Silver-bearing oxygen-free copper 0.03

0.12
99.9
or more

Profiles
straight angle, circle, and wedge shape

     
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