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Trapezoidal copper and copper alloy busbar

Application range

Trapezoidal bus bar is main used to make commutator segment of D.C. motor.

Executive standard

JB/T9612.2-1999

Model Name

梯形排表示方法:T/H/a

高度H标称值推荐如下H recommended

1011.212.51416182022.4252831.535.54045505663718090100112125132140150mm

梯形排截面尺寸范围Cross-section

T24H150H/t50

三、产品性能Product performance

1)扭度Distortion

500mm长度内侧面扭度不超过2.5mm

Not more than 2.5mm per 500mm.

3)直度Straightness

两底边在1m长的直度a2°,H50mm时不超过2mma2°,H50时不超过3mm

    Straightness of the two base is not more than 2mm per 1m when a2°,H50 and 3mm when a2°,H50.

2)硬度Hardness

梯形铜排表面硬度为HB80105,银铜合金排表面硬度为HB85105

The surface hardnss of trapezoidal bus bar is HB80105,and copper alloys is HB85105.

四、化学组分Chemical composition

 

型号

Type

 

名称

Name

材料化学成分

Chemical composition

%

铜+银 不少于

Cu+Ag

其中含银

Ag

TPT

TH11PT

TH12PT

梯形铜排

一类梯形银铜合金铜排

二类梯形银铜合金铜排

99.90

99.90

99.90

0.08~0.15

0.16~0.25

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