铝艺护栏的工艺流程是怎样的_铝艺门_铝艺围栏_铝艺护栏_庭院门_佛山市蓝舰铝艺工程有限公司
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      1. 中国铝艺大门行业知名品牌
        古典与现代的结合

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        佛山市蓝舰铝艺工程有限公司

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        铝艺护栏的工艺流程是怎样的
        来源:铝艺门五分快三全天计划App铝艺护栏庭院门铝艺庭院门-蓝舰铝艺   时间:2018-07-16
        铝艺护栏
        真空密封造型,是一种物理造型法,在铸造的各类造型法中,被称为第三代造型法。它是利用塑料薄膜密封砂箱,并依靠真空泵抽出型内空气,造成铸型内外有压力差,使干砂紧实,以形成所需型腔的一种物理造型方法。因此,真空密封造型又名“负压造型法”或“减压造型法”。国外取英文Vacuum(真空)一词的字头,而简称之为V法。
        V法的造型工艺过程如下:
        1、制造带有抽气箱和抽气孔模板。
        2、将烘烤呈塑性状态的塑料薄膜覆盖在型板上、真空泵抽气使薄膜密贴在型板上成型。
        文章整理:铝艺护栏

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