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What is Tumbling?

Tumbling is a finishing process that is used to clean, deburr, and slightly smooth smaller parts. Tumbling uses a horizontal drum where parts are placed, along with a media, such as sand or ceramic chips. The drum rotates slowly, causing the media to slide repeatedly over the parts, breaking any sharp edges and lightly smoothing the surface. Tumbling is fairly inexpensive due to the small amount of manual labor involved to run the process.

Description

Applications

All post processes, except Electropolish and Powder Coat

Applicable materials

Aluminum, Steel, Stainless Steel, Brass, Bronze, Copper

Color/Specification

n/a

Benefits of Tumbling

High surface finish
Removes surface defects
Improves part accuracy
Suitable for small parts
Low cost
Batch processing capability
Increases surface hardness (sometimes)
Improves part fit
Time-consuming
Commonly used in wet processing