1 Fiberglass wrapped wire has high mechanical properties and overload ability as well as wet/heat resisting features and good technological performers.
2 the product is used as winding material for making large motor, DC motor, generator, dry transformer and large-scale movable subtraction etc.
3 Thickness of enamel: According to customer’s request
Size and tolerance
|
Main material:
CCC Chilean copper flat wire
Cu-CATH
Executed Standard GB/T 467
|
Nominal size a
mm
|
Tolerance
mm
|
Nominal size b
mm
|
Tolerance
mm
|
|
a ≤1.70
|
-0.01-+0.03
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b ≤3.15
|
-0.01-+0.03
|
|
1.70<a ≤3.15
|
-0.02-+0.02
|
3.15<b ≤6.30
|
-0.03-+0.03
|
|
3.15<a ≤4.50
|
-0.03-+0.03
|
6.30<b ≤12.50
|
-0.03-+0.05
|
|
4.50<a ≤7.10
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-0.04-+0.04
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12.50<b ≤16.00
|
-0.05-+0.07
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Radius of round corner r and its tolerance range for cooper flat wire
|
Nominal dimension a, mm
|
Radius of round corner r, mm
|
Nominal dimension a, mm
|
Radius of round corner r, mm
|
|
Nominal value
|
Tolerance
|
Nominal value
|
Tolerance
|
|
a ≤1.00
|
a/2
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±25%
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2.24<a≤3.55
|
0.80
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±25%
|
|
1.00<a≤1.60
|
0.50
|
3.55<a≤6.00
|
1.00
|
|
1.60<a≤2.24
|
0.65
|
6.00<a≤7.10
|
1.20
|
Technical requirements
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Appearance
|
The coating should be even, in same colour, no defects
|
|
The maximal outlined dimension
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Max a≤ Nominal max a+ Nominal insulation max
Max b≤ Nominal max b+ Nominal insulation max
|
|
Elongation rate
|
Nominal dimension a, mm
|
Elongation rate,%
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|
a≤2.50
|
30
|
|
a>2.50
|
32
|
|
Resilience
|
Nominal dimension, mm
|
Drawing,%
|
|
a<2.5
|
15
|
|
a≥2.5
|
10
|
|
Breakthrough voltage
|
Nominal thickness of insulation, mm
|
Breakthrough voltage,V
|
|
Class 2 GL1
|
1500V
|
|
Curvature
|
According to the following table, after bending at wide edge and narrow edge on the round stick, insulation layer should have no crack and exposure of film.
|
|
Nominal dimension
|
Radius of round stick
|
|
2.00≤b≤8.00
|
10b
|
|
8.00<b≤16.00
|
15b
|
|
0.80<a≤5.60
|
10a
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