Deburring, Barrel Plating And Tumbling

ball burnishing servicesDeburring is defined as removing the edges or protrusions of metal parts, caused by the metal forming process. So, how does General Plating Company deburr? It is accomplished by a multifaceted process called tumbling. In order to shape the metal parts to the specified size, form and finish defined by our clients, the tumbling process must be employed.

The process involves loading the precision metal parts into a horizontal barrel. Once inside, the barrel is rotated in an effort to raise the material until gravity causes the top layer to slip down to the opposite side. The barrel typically includes rubber vanes, which catch, lift and drop the parts. A full cycle can take as little as five minutes or a take as long as a full day.

Copper Ox  - Sliders

Brite Brass - Screws

Copper Ox  - Sliders

Brite Brass - Screws

In the tumbling process, and depending on the desired result, wet barrel finishing or dry barrel finishing may be employed. Wet barrel finishing typically eliminates burrs and polishes, and enhances the surface. Dry barrel finishing produces a smoother finish. When delicate deburring is needed, dry tumbling is utilized. If a client desires a polished finish or the removal of excess material, wet barreling is essential. Wet barrel finishing utilizes a compound or lubricant to facilitate the finishing process and prevent rusting.

Although this process may appear intuitive, executing it to perfection is no easy task. A wide range of variables can drastically alter the appearance and performance of the part. The configuration of the part must be thoroughly analyzed in order to accurately determine the optimal machine, compounds and media parts to utilize. The ideal type of media must also be identified. These include granite, steel, silicon and most prominently, ceramic. This intensive process will be sure to produce the smooth metal parts your company needs.

deburring and plating tumbling

deburring and barrel plating

deburring and plating tumbling


In addition to deburring, the tumbling process can be used to burnish, clean, descale, remove rust, and brighten or harden the surface.

General Plating Company offers tumbling, deburring, ball burnishing, antiquing with steel media, ceramic media, and plastic media. We tumble die castings, pewter casting, jewelry castings, and white metal casting.

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General Plating Company
1313 Mirasol St. Los Angeles, CA 90023

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Contact Information

General Plating Company

1313 Mirasol St.
Los Angeles, CA 90023

Phone: 323-263-7593
Fax: 323-268-6353