Detroit DEGREASING WASHING CLEANING
Degreasing Washing Detroit is a widely adopted method used to eliminate surface contaminants from metal before applying a coating. During the metal stamping process, residues such as lubricants, metal shavings, and dust may accumulate on the stamped parts as they emerge from the stamping presses. These contaminants can potentially impact the part's functionality, necessitating their removal before further operations like metal finishing or welding, or before sending the parts directly to the manufacturing line.
Automotive Tumbling offers a comprehensive range of Degreasing Washing services in Detroit. Several of our clients rely on us for highly specialized cleaning solutions to meet their demanding requirements. In some cases, certain parts may require multiple cleaning processes, both after stamping and again following Detroit metal finishing, to ensure optimal functionality.
Preparing the formed metal part for the finishing operation is a critical step in the metal forming process. The quality of the final finish, whether plating, painting, chromating, or e-coating, is greatly influenced by the thoroughness of the cleaning process compatible with the finishing method. Many of our automotive manufacturer clients have implemented specialized programs to assess the cleaning method's effectiveness for stamped parts, both after cleaning and after the part has undergone welding, priming, and painting.
Metal Stampings Cleaning Options
Two of the most commonly utilized cleaning processes for metal stampings are degreasing and passivation. In addition, the cleaning processes that involve the removal of metal from the part, such as electropolishing and deburring.
Aqueous and Vapor Degreasing
The two major degreasing processes for metal stampings are aqueous and vapor degreasing.
- Aqueous degreasing can be done by either in-line spray or by immersing the parts in an acidic or alkaline water-based cleaner to remove stamping fluid. Ultrasonics may be used in immersion to aid in removing residues.
- Vapor degreasing involves placing cold parts in the degreaser to be steamed by solvent vapors that condense on the part and dissolve oil and other contaminants. The parts are heated until condensation stops and the solvent drains off. Other options in vapor degreasing are to immerse the part and add rotation or use Ultrasonics for smaller complex or fragile components.
Benefits
Degreasing operations have become more environmentally friendly, as less toxic solvents can be used and the run-off oils can be distilled and processed. Vapor degreasing is compatible with many metals, including stainless steel, galvanized steel, aluminum, copper and bronze. Vapor degreasing is suitable for more fragile stampings that cannot be tumbled or those that require a more intensive cleaning method, such as medical device parts. Aqueous degreasing is appropriate for parts that have been stamped with water-soluble lubricants.
Passivation
Passivation involves immersing the stamped metal parts into a nitric or citric acid bath to remove free iron and other contaminants that may have been introduced during the stamping process. The treated part, which is rinsed and dried following the acid bath, forms a chromium oxide film that resists rust and corrosion and can enhance sterilization. Passivation does not change the appearance of the part.
Benefits
Passivation is suitable for high volumes of parts that require rust resistance, but does not provide the same smooth appearance or level of corrosion resistance as the more expensive electropolishing. It is primarily used for stainless steel parts, although titanium and other metals may undergo passivation. However, some metals, such as aluminum, copper, and carbon steel, cannot withstand certain acids.
OUR SERVICES
A few of the metal finishing Detroit services we offer are below:
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Degreasing Washing Detroit is commonly utilized to remove contaminants on the surfaces of metal prior to applying a coating. The metal stamping process leaves residues, such as lubricants, metal shavings,..
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