blow forming 压气成型 ; 吹气鼓胀成型
free blow forming 自由吹胀成型
gas blow forming 气胀成形
quick gas blow forming 快速气压胀形
Blow moulding is a process used to make hollow plastic parts which involves heating the material and then forming it into a mould using air pressure.
吹制模制是一种用来制造中空塑料部件的工艺，将材料加热，然后用空气压力使它在模子中成型。
The result showed that the crack forming was due to the billet metal in the subcutaneous blow holes were oxidated during heating process and could not be sticked.
结果表明：轮箍裂纹是由于钢锭中存在严重的皮下气泡，在轮箍热加工过程中皮下气泡处金属被氧化烧穿导致不能粘合而形成裂纹。
Compare with current high filling blow film of PE and machine penetrating hole film, it has remarkable difference in principle of forming micropore, process-control and use properties.
这种薄膜与现有的吹塑成型的高填充拉伸pe膜和机械扎孔膜，在形成微孔原理上、工艺控制上和使用性能上有着显著区别。
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