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噴砂機分類主要有（幹噴或濕噴）兩大類

发表时间：2020-06-30 10:39

噴砂機分類主要有（幹噴或濕噴）兩大類

一：幹噴砂：

幹燥的磨料在壓縮空氣的作用下從噴槍高速噴出，實現清理、加工的目的。幹噴砂按照工作原理分類，又可分爲吸入式（也稱普壓式、吸送式）和壓入式（也稱高壓式和壓送式）兩類。

1 吸入式：吸入式干喷砂的工作原理是：以压缩空气为动力，通过气流的高速运动在喷枪内形成负压，将磨料通过输砂管吸入喷枪并从喷嘴射出，喷射到被加工表面，从而达到预期的加工目的。

2 压入式：压入式干喷砂的工作原理是：以压缩空气为动力，通过压缩空气在压力罐（也称砂罐）内建立的工作压力，将磨料经调砂阀压入喷砂胶管、从喷嘴高速射出，喷射到被加工表面，从而达到预期的加工目的。

在幹式噴砂中，壓縮空氣既是供料動力又是射流的加速動力。由于在壓入式幹噴砂中，磨料經壓縮空氣加速的時間和行程遠大于吸入式幹噴砂（只在噴嘴處對磨料進行加速），因此壓入式比吸入式有著更高的效率。

二：濕式噴砂

液体噴砂機与传统干喷砂方法有所不同，液体噴砂機将磨料置于水中，用磨液泵和压缩空气通过喷枪将沙液高速喷射到被加工的工件表面，达到对零件表面清理和光泽的效果，最大的特点就是很好地控制了喷砂加工过程中粉尘污染，改善了喷砂操作的工作环境。

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