·多种工件在喷涂前表面含有油污、锈蚀、氧化皮等，会严重影响喷涂质量。前处理设备可以根据不同工艺需要，设计出最适合该产品的方案，除去金属工件上的污垢，使金属与涂层具有更强的附着力，保护金属工件不受影响。

·涂装前处理一般包括除油、除锈、磷化三个部分。

·手动进槽式前处理，针对较复杂、重型工件表面有良好的效果，有占地面积小，投资少的优点。主要组成结构：槽体、吊篮、行车搅拌系统、加热系统。

·根据前处理工艺要求而设置固定槽，输送线沿固定槽通过，从而达到表面清洗的目的，其主要优点有：设备投资比喷淋式要少，较复杂工件均能获得良好的前处理效果

·喷淋式前处理系统采用离心水泵通过管道由喷嘴  形成高压雾效果，达到清洗目的，其优点在于高雾化效果，使工件表面清洗干净，而且循环使用清洗液，从而达到环保的目的，容易形成批量生产，效率高，广泛应用于家用电器、五金、灯饰、玩具、汽车零件等行业。主要组成结构：水箱、水泵、管路、喷嘴、室体、加热系统。

·Many parts have oil stain．rust and scale on their surface before the spray-coating step，which may seriouslyimpactthe spray-coatingquality．

The pretreatment equipment can design the most aPP roP riate soIution according to the need s of different processes．sO as to protect the metal parts

from being influence．

·Pretreatmentpriortocoating consistsofthree parts deg reasing，derustingandphosphating．

·Manual channel-type pretreatment．applicable to complicated and heavy parts su rface，is of t he advantagesofsmallland areandlowinvestment．

·Fixed channel is instaIled acco rding to the requi rements of pretreatment process，and the

conveyor line passes the fixed channel for surface cleaning purpose．

·SP raY-tyPe P ret reatment sy stem adopts a centrifugal water pump and achieves high-pressu re pulverization effect through the nozzles，so as t0achieve the goaI of cleaning．It、s advantage Iie in thehigh Dulve rization effect which cleanses the partssurface