奥氏体不锈钢与铜及铜合金进行焊接时应采用()作为填充材料。...
Sunday, September 11, 2022
Sunday, September 11, 2022
Sunday, September 11, 2022
CO2焊时,焊丝伸出长度是指焊接时焊丝端头距喷嘴端部的距离。...
Saturday, April 22, 2023
CO<sub>2</sub>气体保护焊的送丝机有推丝式、拉丝式、...
Tuesday, September 13, 2022
Sunday, September 11, 2022
焊接电流一定时,熔池温度是靠焊条角度、焊接速度和电弧长度来控制。...
Tuesday, September 13, 2022
搭接接头由于钢板之间连接的面积较多,所以是一种强度较高的接头形式...
Sunday, September 11, 2022
气电立焊时,()不是造成焊缝成形不良的原因。A、网络电压不稳B、焊接环境湿度高C、送丝不稳定D、焊丝没有烘干...
Friday, November 10, 2023
镍具有良好的塑、韧性,在冬天室温-1℃可对其进行焊接。...
Tuesday, September 13, 2022
Sunday, September 11, 2022
钛材焊接时的定位焊缝允许有少量的裂纹、气孔、夹钨等缺陷。...
Saturday, April 22, 2023
06Cr19Ni10奥氏体不锈钢焊缝表面和近表面的缺陷采用磁粉探...
Sunday, September 11, 2022
Sunday, September 11, 2022
Sunday, September 11, 2022
熔透型等离子弧焊与钨极氩弧焊方法相比,具有()的优点A、适于薄板焊接B、适用于多层焊接C、焊速较快...
Friday, March 10, 2023
Wednesday, March 20, 2024
Monday, October 3, 2022
喷嘴作为等离子弧焊的主要部件,采用圆锥形的压缩孔道形状,能提高等离子弧的穿透能力...
Monday, June 19, 2023
自动埋弧焊只适用于长焊缝的焊接,不适合焊接薄板及形状不规则的焊缝...
Tuesday, September 13, 2022