The welding technology used for preheating flash butt welding was evaluated for workpieces with large welding section.
针对大截面工件的闪光对焊工艺特点，确定了预热闪光焊的焊接工艺。
There are four phases and dozens of parameters in preheating flash butt welding technology used for great section workpiece's welding.
用于焊接大截面工件的预热闪光焊工艺包括四个阶段。
Preheating section for line length is longer, the temperature is not more than 250 degrees, and not let the discoloration of copper wire.
预热段因线的长度比较长，温度不会超过250度，不至于让铜线变色的。
After annealing copper red: continuous annealing three sections: preheating section, the work piece, cooling section.
铜线退火后发红：连续退火分三个段：预热段，工作段、冷却段。
T/SD Conveyor including 3 sections, which are charging section, preheating section, connecting car section.
SD输送机共包括三段：加料段、预热段、连接小车进料段。
The invention discloses a unilateral air draft process of kiln process chain grate preheating section for making oxidized pellet.
本发明公开了生产氧化球团矿链篦机――回转窑法链篦机预热段的单边抽风工艺。
A preheating is made in an entrance section (80), and a stretching is made in a stretching section (81).
在入口部分(80)中进行预加热，并且在拉伸部分(81)中进行拉伸。
A preheating is made in an entrance section (80), and a stretching is made in a stretching section (81).
在入口部分(80)中进行预加热，并且在拉伸部分(81)中进行拉伸。
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