英语翻译The intense heat at the electrode tends to melt off the
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英语翻译
The intense heat at the electrode tends to melt off the end of the electrode and contaminate the weld.Hence,for any given current DCRP requires a larger diameter electrode than DCSP.For example,a 1/16" diameter tungsten electrode normally can handle about 125 amperes in a straight-polarity circuit.However,if reverse polarity is used with this amount of current the tip of the electrode would melt off.Consequently a 1/4" diameter electrode would be required to handle 125 amperes of welding current.
The intense heat at the electrode tends to melt off the end of the electrode and contaminate the weld.Hence,for any given current DCRP requires a larger diameter electrode than DCSP.For example,a 1/16" diameter tungsten electrode normally can handle about 125 amperes in a straight-polarity circuit.However,if reverse polarity is used with this amount of current the tip of the electrode would melt off.Consequently a 1/4" diameter electrode would be required to handle 125 amperes of welding current.
焊接时,电极端剧烈的放热有可能使电极熔化,进入熔池,污染焊缝.因此,直流反接焊接时比直流正接时的电极直径要大.例如,1/16 英寸的钨电极一般电流可达到125A.然而,该电流值不变,变换电极极性,钨电极可能会熔化.因此,这种情况时要使用1/4英寸的电极.
我是专门搞焊接的,这上面将的其实很简单.主要针对的是TIG焊.简单来说直流反接时的电极要比直接正接的粗些.1/16 "≈1.6mm 1/4 "≈6.4mm
我是专门搞焊接的,这上面将的其实很简单.主要针对的是TIG焊.简单来说直流反接时的电极要比直接正接的粗些.1/16 "≈1.6mm 1/4 "≈6.4mm
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