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一、用途application
     un系列对焊机广泛应用于电线电缆、拉丝、焊丝、建筑等行业的钢、铁、铜、铝等材料的对焊。
     un series butt-welders are widely used in the butt welding with the materials such as the steel, iron, copper and aluminum in theindustries such as electric wire, drawbench, filler metal and the artetecture.
二、结构特点structural features
中功率(25kva、30kva、50kva)采用开口式钳口电极螺杆压紧工件，工件固定方便，机身右侧设7档电流调节开关，手扳加压顶锻力。
the middle power(25kva 、30kva 、50kva ) utilizes open jaw electrode screw to compress work pieces and makes it convenient to fix the workpieces. the right side of the body is installed withseven-ear current regulating switchand the hand punch is used toincrease the upset force.
三、技术参数 technical parameters
型号
额定容量
输入电压
输入电流
暂载率
    焊接直径 welding dia（ mm）
model
rated capacity
input voltage
input current
duty cycle
低碳钢 low-carbon stell
铝 aluminum
铜 copper
un-25
25kva
380v
65.8a
20%
6-12
4-10
4-8
un-30
30kva
380v
78.9a
20%
6-16
5-12
4-10
un-50
50kva
380v
131.6a
20%
8-18
6-14
5-12
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无锡市新星焊接设备厂
张俊权
15358056396
江苏无锡市惠山区洛社镇312国道161公里花明桥西