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Time of issue:2020-03-17 00:00:00

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Refractory metal-faced electrodes

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Refractory metal-faced electrodes

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WE008
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Besides being used for spot welding high resistance base metals, they are useful in achieving “heat balance” when welding dissimilar metals. We can make the standard one with taper and shank, also we can make the electrode per customer’s drawing.

JBNR bonding technology:

1) Silver brazing. Advantage: fast join, flexible and no limit for different shape. Disadvantage: silver is expensive; handle by experienced worker otherwise it is easily has gap or porosity between shank and refractory metal face.

2) Back shank casting: very good heat transfer and strengthen between the shank and refractory metal face.

Product:

 

1: copper tungsten (10W3) faced nut welding electrode and cover (used for automotive industrial, lots of sheet and work piece need be connected by the nut. also used for wire mesh welder)

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2: silver tungsten faced resistance welding electrode for low resistance welding.

 

Component(%wt

Density(g/cm³)

Conductivity(%IACS

Hardness(HRB)

W65Ag35

14.5

48

75

W70Ag30

14.9

45

82

W75Ag25

15.4

41

86

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3: tungsten faced electrode for copper wire welding, silver part welding.(electrical motor field, low-voltage apparatus filed)

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4: molybdenum faced electrode for leading wire welding, copper wire welding, silver part welding.(. (Battery lead wire field, low voltage part field)

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Refractory metal-faced electrodes
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