Continuous flow pretreatment plants are designed for high throughput and consist of cleaning stages (degreasing), rinsing stages and possibly layer-forming processes such as phosphatisation. Continuous flow pretreatment Continuous flow pretreatment plants are universally usable. Their high throughput performances in particular make them interesting for many applications. Spraying rings apply different media to the components as they pass through. In the successive zones, therefore, the parts can pass through a cleaning programme tailored to the particular application that guarantees optimum and constant quality. Rippert builds continuous flow plants for small sheet metal parts up to large-scale drag cleaning with a high quality of workmanship. Multi-channel pretreatment plants are also possible, as is combined pre-cleaning by means of robots.
DR.-ING. MAX SCHLÖTTER GMBH & CO. KG.
Germany
Pretreatment is a crucial step in electroplating. During the manufacturing of components, oils and fats are used to facilitate the machining of the workpieces and temporarily protect the metal surface from corrosion. Before the electroplating process, these oils and fats must be removed from the workpiece to be plated, as any residues can lead to coating defects. A thorough pretreatment is an important prerequisite for a high-quality coating. Depending on the process sequence, pretreatment may involve multiple steps. In this group of processes, Schlötter offers boiling or hot degreasing, electrolytic degreasing for a variety of base materials such as steel, copper, brass, as well as pretreatments for aluminum and zinc die casting.
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