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Vibratory Finishing

VIBRATORY FINISHING MACHINES

Vibratory finishing machines are essential equipment in many industries, utilized for deburring, polishing, cleaning, and surface preparation of parts. These machines work by causing a vibration movement, which results in an abrasive process between the media and the parts, enhancing the surface finish of the workpiece.


Different machines come in a series or model, with a variety of sizes, capacities, and design features. The cartridge drive system in some advanced machines enhances the efficiency of the vibration action, and the wall design can help in better media and part movement. For instance, a machine with a curved wall design can ensure better separation of parts and media.

Vibratory Machine and Its Features

A vibratory finishing machine, often known as a tumbler or a vibratory bowl, operates by using a vibration motion, powered by a motor. The core design of these machines involves a bowl or tub filled with tumbling media. As the machine vibrates, the media, often made of materials such as plastic, aluminum, or other abrasive materials, interacts with the parts, leading to the desired surface finish.


Different machines come in a series or model, with a variety of sizes, capacities, and design features. The cartridge drive system in some advanced machines enhances the efficiency of the vibration action, and the wall design can help in better media and part movement. For instance, a machine with a curved wall design can ensure better separation of parts and media.

Rotary Vibrators

Rotary Vibrators, A.K.A. Vibratory Bowls, are perfect for small to medium sized parts that require surface improvements such as deburring, radiusing/edge break, polishing, cleaning and degreasing, and much more. Sturdy and easy to operate, Rosler provides vibratory installations for a wide range of applications. A wide variety of part shapes and sizes can be finished to any kind of surface requirements.

Long Radius Vibrators

The LR concept offers a high degree of flexibility. Long radius machines can be used for in-line continuous processing and for batch processing. In batch processing, the machines are equipped with a pneumatic separation flap. Batch processing in LR machines allows the processing of larger parts, with a minimum of part-on-part contact. Their main application is in-line, continuous-feed operation. Continuous-feed operation allows the LR machines to be placed directly into an in-line manufacturing process without having to invest in expensive batch loading equipment. In the continuous, single lap process, the Long Radius flow systems are ideal for fast deburring, edge breaking and radiusing.

Tub Vibrators

Vibratory Tubs are designed for applications where the biggest Rotary vibrator, because of the size of the parts, might still be too small. Straight tubs are very suitable for large and sensitive parts which if necessary, can be treated in separate compartments without the risk of part on part impingement. Rosler manufactures vibratory tubs to process parts ranging in size from 1’-20’ in length.

Continuous Flow Vibrators – Fully Automatic Vibratory Finishing

The continuous loading process is just one benefit of the continuous flow installations. Part input rates and dwell times may be varied in conjunction with the size and sensitivity of the components. Consequently, this technology integrates well into automated process environments. For applications where limited space is available, continuous flow Rotary vibrators can be used, in lieu of linear machines, to achieve similar processing times in a relatively small foot print.


Application and Process

The applications of vibratory finishers are vast. They can be used for deburring, where burrs (unwanted edges and material) are removed from parts. Polishing and grinding are also common applications, where the machines bring about a shiny, refined surface or help in reducing the part size. Additionally, they can also be used for descaling, which involves removing scales from metal surfaces.


The process involves selecting the right media and compound based on the needs of the application. The media’s size, shape, and material are crucial for achieving the desired results. Compounds, which are solution additives, can help in cleaning, polishing, or deburring. The rate at which the media and compounds work is controlled by the vibration speed and pressure applied.

Selection and Options

Given the variety of applications, there is a broad selection of vibratory finishers available in the market. The size and capacity of the machine should be chosen based on the parts’ size and the number of parts one wants to finish. Machines come in different sizes, from starter models for smaller applications to heavy-duty models for industrial applications.


Options also include features like separation systems, which help in the automatic separation of parts and media after the finishing process. Some systems come with an integrated dryer to dry the parts after they are washed or cleaned.


When considering a vibratory machine for your shop, it’s essential to factor in everything from the price, the duty or capacity of the machine, the type of finishing systems required, to the machine’s performance characteristics.

Conclusion

In conclusion, vibratory finishing machines are indispensable tools in many industries, providing a way to enhance the surface finish of parts efficiently. Whether it’s deburring, polishing, or cleaning, these machines, when combined with the appropriate tumbling media and compounds, can deliver outstanding results. Your selection should be based on the specific needs of your application, considering factors like size, capacity, design, and price.

For questions or to order call: (716) 288-7105