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Some important issues of tube mills
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Some important issues of tube mills

Timothy Holding Co.,Ltd.

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A, Welding power and frequency determination:

In order to achieve the same welding speed, copper tube requires maximum power, the highest frequency, followed by stainless steel, steel, aluminum.

1, The required welding power calculation as followes:

Pout = K1xK2xdxbxV (kw)

The parameters explaination as following:

Pout: welding power (kw);

d: pipe wall thickness (mm);

b: heating width (in extreme condition, generally assumed as b=1cm);

v: welding speed (m / min);

K1: pipe material factor;

K2: tube size factor.

MaterialK1
Steel0.8-1
Stainless steel1.0-1.2
Al0.5-0.7
Cu1.4-1.6
ODK2
≈251
≈501.11
≈751.25
≈1001.43
≈1251.67
≈1502.0

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