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Lesson 30　Blow Molding

所屬欄目：聚合物科學(xué)與工程

Blowmoldingisaprocessusedtoproducethin-wallhollowthermoplasticparts.Acylinderortubeofplastic,calledaPARISON,isplacedbetweenthejawsofamold.Themoldisclosedtopinchofftheendsoftheheatedplasticandcompressedairpressureisusedtoforcethematerialagainstthemoldfaces ......（本文共 9763 字） [閱讀本文] >>

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