由于壳体的厚度有限，壳体的金属能加工制备与模板建造需要特别细心与精确。
Construction of the formwork and preparation of the metal reinforcement for shells required particular care and accuracy because of their limited thickness.
该机床具有旋压切断功能，特别适用于压缩机壳体等大型圆柱薄壁筒形件的切断加工。
It has the functions of spinning and cutting, especial ly available to cut off big thin-wall cylindrical workpiece such as the shell of compressor.
主要介绍了混合器壳体上小孔的激光加工方法和激光制孔工艺参数的选择，对激光工艺的加工效果进行了分析。
The laser drilling method of holes on the mixer shell and the selection of the technical parameters of laser drilling are introduced. The machining effect is analyzed.
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