Centrifuging

Centrifuging in an industrial context refers to the use of centrifugal force to separate mixtures based on density.

Application in Manufacturing

In the manufacturing of small components, particularly within the galvanizing industry, centrifuging is a critical post-coating process.

1. Purpose: After small parts (like fasteners, threaded bolts, or hooks) are dipped in molten zinc for hot-dip galvanizing, they often retain an excess layer of zinc on their surface and threads. This excess metal would interfere with the subsequent function of the parts (e.g., preventing a nut from fitting a bolt).
2. Mechanism: The parts are quickly placed into a perforated basket or container which is then rapidly spun in a centrifuge. The high rotational speed generates a powerful centrifugal force that slings the excess molten zinc off the parts.
3. Result: This process ensures a uniform, functional coating thickness while maintaining clean threads and smooth surfaces. It is essential for producing high-quality galvanized fasteners that meet stringent international standards for fit and performance.