Vibratory Peening. Promising Performance


Kumar Balan explores the efficacy of vibratory peening, its financial viability and its potential market reach. His article will cover all these aspects courtesy of data provided by Vibra Finish. In the winter 2018 issue of The Shot Peener, we discussed two non-conventional peening techniques; one of which was Vibratory Peening. In addition to the [...]

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The Advantages of Sandblasting During Finishing Processes


Vibra Finish is a complete vibratory finishing company, offering a range of finishing methods and solutions. Its capabilities include sandblasting, a process used to clean or finish surfaces using a tool to shoot out pressurized sand or other abrasive material at high speeds. An effective approach Sandblasting has the capability to effectively clean dirt and [...]

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How to Produce Tougher, Harder Surfaces


When parts require strong surfaces, there are several methods used to achieve the desired hardness and durability, including nitriding, shot peening and heat-treating. Vibra Finish, however, has developed a technology that produces a tougher, harder surface than most other methods — its Vibra-Peen Surfacing Technology. The difference Most fatigue, failure and cracking begins at or [...]

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Vibratory Compounds Give the Finishing Touch


Cleaning, polishing, smoothing and deburring of parts are all referred to as finishing. The primary types of machines used in the finishing process are the tumbling barrel machines and the vibratory machines. Finishing media are materials that are used with the parts to aid in the process of finishing. Finishing compounds also assist in the [...]

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Choosing Tumbling Media For Vibratory Deburring Machines


A common deburring machine used for mass finishing parts is a vibratory deburring machine, or vibratory tumbler, which utilizes abrasive media to deburr, clean or polish unfinished or dirty parts or objects. The abrasive media and unfinished or dirty parts are put inside a large drum. The drum vibrates, driving down the contents in [...]

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Vibratory Finishing Guide


Although vibratory finishing techniques are similar to barrel finishing and usually involve the same components (water, compound and media), the equipment is different. The vibratory finishing process creates smoother surfaces and can abrade inside deep cavities or tubular parts. A vibratory finishing process can finish a variety of parts (e.g. fragile or extra large) which [...]

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Barrel Finishing Guide


Producing good surface finishes using barrel finishing depends on the right selection and use of tumblers, abrasives, lubricating agents, carrying agents and polishing agents. Barrel finishing, also known as barrel tumbling, is a surface improving operation in which a mixture of parts, media and compounds are placed in a six- or eight-sided barrel and rotated [...]

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Burnishing with Steel Shot


The following guide for steel shot burnishing provides some basic guidelines prior to using steel shot in either a vibratory tumbler or barrel tumbler. Burnishing with Steel Shot in a Vibratory Finishing Machine Vibration setting should be set at a maximum or close to maximum. The tub or bowl should be filled 55-75% with steel [...]

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Degating and Separating Die-Castings


Modify a Horizontal Barrel Tumbler Aside from using trim dies, the usual method of degating is to tumble in an open mouth oblique barrel then screen separate the parts. Working with small pieces in very large barrel tumblers means a densely packed load that is too heavy to move easily and has poor flow properties. [...]

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