In theory, washing is simple; in practice, not so. Establishing a repeatable process, avoiding contamination during and after washing, protecting components thereafter from shock, rust, and other pollutants in potentially changing environments requires just as much thought and attention as any other manufacturing step but with the added variability of environment influences such as humidity, temperature changes, water hardness, etc. The key to repeatable cleanliness is identifying and minimizing the elements of change in the overall cleaning process as well as frequent measurements. Often, we remember to check for concentrations of RPs, acidity of water, but you might underestimate the influence of components inside wash trays, path of drying, and where parts are handled. Throughout the mechanical/hydraulic industry, it has been demonstrated that cleanliness levels at the immediate early instances of functioning will drastically affect reliability and longevity. Typically cleanliness requirements correlate with the size of the components and its place in the function into which it will be assembled.
An SCSI customer, a world leader in automotive diesel engines, explained to us that the precision of machining tolerances no longer requires engine break-in anymore, but that the cleanliness/pollution level within the engine for the first two minutes of operations would determine the engine’s output, durability and consumption performance by as much as 10%. That’s staggering! Over the years, SCSI’s quality containment department has developed skills, assets and processes to not only clean components, but also package products. From large power steam washing, to automated wash machines, to envisioned robotic cleaning stations, SCSI will develop, adapt or use whatever it takes to make your parts clean to specs with testing and traceability to guarantee it.
Case Study: A Peoria-based machinist requested SCSI’s assistance to remove a core sand. Our talented Broadway facility team recommended a high-power hot water blast. The machinist valued the result and asked SCSI to work three remaining parts!
In our Peoria-based Broadway facility, SCSI has built a robust wash area including power steam cleaner, vacuum, heated water supply, detergent, etc. Our proven process removes debris including oil, grease, carbon, dirt, and other machining remains. Regardless of geometry, our experts can wash any component, casting, engine block or large part up to full size cars, boats, etc.
Finally, if your parts have cleanliness requirements (for warranty purposes), you don’t want to put them in dirty dunnage. Since purchasing new returnables each time is cost prohibitive, let SCSI sort, clean and/or store your dunnage trays, containers or totes as well as any typical returnables including baskets, boxes, Kanban trays, etc.
Our “4W” process (Weed-Wash-Wrap-Warehouse) is simple:
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