电阻焊设备在生产中，低碳钢、中碳钢、高碳钢、低合金钢及其组合一类钢焊接，其标准化的选用可以参照上诉低碳钢的焊接规范，点焊机焊接强度高合金钢时，要增大摩擦力压力和顶部压力，并适当延长摩擦时长。

In the production of resistance welding equipment, for the welding of low-carbon steel, medium carbon steel, high carbon steel, low alloy steel and their combinations, the standardized selection can refer to the welding specifications of low-carbon steel. When welding high-strength high alloy steel with a spot welding machine, the friction pressure and top pressure should be increased, and the friction time should be appropriately extended.

点焊机焊接高温强度区别比较大的异种钢或某些不会产生脆性合金层的异种金属时，除开在高温下强度低的材料一方加一个模子以外，还要适当延长摩擦时长，提升摩擦压力和顶锻压力。焊接擦汗女生脆性合金层的异种金属时，需要采用模子封闭街头金属，降低焊接速度，增大摩擦力压力和顶锻压力。

When welding dissimilar steels with significant differences in high-temperature strength or certain dissimilar metals that do not produce brittle alloy layers, in addition to adding a mold to the material with low strength at high temperatures, the friction time should also be appropriately extended to increase the friction pressure and forging pressure. When welding dissimilar metals in the brittle alloy layer of female sweaters, it is necessary to use molds to seal the street metal, reduce welding speed, increase friction pressure, and upset pressure.

焊接大直径工件时在摩擦速度不变的前提下，应相应的降低转速，。工件直径扩大，摩擦压力在摩擦表面上那个分布不均，摩擦变形阻力扩大，变形层的扩展要较长的时间。因而在确保摩擦变形量不变的前提下，要比较大的摩擦压力或比较长的摩擦时长。点焊机焊接不一断面的碳钢和低合金钢工件时，因为导热标准不一样，在接头上温度分布和变形层的厚度不一样，为了确保焊接质量，应当选用强规范焊接。

When welding large-diameter workpieces, the rotational speed should be correspondingly reduced while the friction speed remains constant,. The diameter of the workpiece increases, the distribution of friction pressure on the friction surface is uneven, the frictional deformation resistance increases, and the expansion of the deformation layer takes a longer time. Therefore, while ensuring that the frictional deformation remains constant, it is necessary to have a relatively large frictional pressure or a relatively long frictional duration. When welding carbon steel and low alloy steel workpieces with different cross-sections using a spot welding machine, due to different thermal conductivity standards, the temperature distribution and thickness of the deformation layer on the joint are different. In order to ensure welding quality, strong standard welding should be selected.

焊接中碳钢。高碳钢和低合金钢时，为避免焊缝中获得卒火组织，降低焊后回火处理工序，应选择较弱的焊接规范。点焊机焊接管道时，为减少内毛刺，在确保焊接质量的前提下，应想方设法减小摩擦变形量和顶锻变形量。

Welding medium carbon steel. When using high carbon steel and low alloy steel, in order to avoid obtaining a quenching structure in the weld and reduce the post weld tempering process, weaker welding specifications should be selected. When welding pipelines with spot welding machines, in order to reduce internal burrs and ensure welding quality, efforts should be made to reduce friction deformation and top forging deformation.

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