BEC中级口试指导复习24_BEC中级
1.computer-aided manufacturing(cam) 计算机辅助制造
a: is cam used in china?
b: yes,it has been uesd in china for almost twenty years.
a:在中国有使用cam的吗?
b:有啊,在中国使用已经将近20年了。
2.hot working 热加工
a: what are the hot working processes?
b: hot forging, rolling, extrusion, etc.
a:热加工工艺有哪些?
b:热锻、滚轧、热压等等。
3.spot weld 点焊
a: can you spot weld a tube to a sheet metal?
b: yes, you can, with a special shaped electrode.
a:你能把一个钢管点焊到钢板上吗?
b:可以,用一种特殊形状的电极。
4.turning 车削
a: do we do any turning in our plant?
b: no. we are a chipless machining.
a:我们工厂有车削加工吗?
b:没有,我们是无屑加工。
5.compression molding 压塑成型
a: what is compression molding?
b: you take a plastic or composite sheet, heat it up, and press it into a mold to make a part.
a:压塑成型是什么?
b:把一块塑料或复合材料板材加热,压进模具来制作零件的方法。