一、概述 除锈和磷化,是钢铁表面进行防腐处理及涂装前的关键工序。其除锈和磷化的效果如何,直接影响对漆膜的耐久性和机械产品的外在质量。目前,国内外通常使用的除锈方法,不外乎是手工、机械和化学三种。手工除锈,劳动强度大、效率低、除锈效果差,而且危害工人健康;机 First, an overview of derusting and phosphating, steel surface corrosion treatment and coating before the key processes. Its derusting and phosphating effect, a direct impact on the durability of the film and the mechanical products of the external quality. At present, the rust removal methods commonly used at home and abroad are nothing more than manual, mechanical and chemical. Manual rust, labor-intensive, low efficiency, rust effect is poor, but also endanger the health of workers; machine