As stipulated by "the testing regulation of container of pressure of boiler to welder", the prototype of arc welding to the joined slit must be completed through the crafts of groove by bevelling. 前言:根据“锅炉压力容器焊工考试规则”规定,对接缝手工电弧焊的考试试板必须采用单面焊双面成形工艺完成。
Based on customers requirement, a packing tightening design may be employed to obtain more reliable stem packing seal, which is loaded by bevelling spring. 根据用户的需要,可以采用碟形弹簧加载的填料压紧机构,使阀杆填料的密封更加可靠。
Automatic Torch Bevelling Machine for Large Diameter Vertical Steel Pipe 大直径立式钢管自动气割坡口机
Bevelling of intracellular microelectrode 细胞内微电极尖的削磨