What to choose - vibration casting or vibration pressing?

In the modern construction industry, two main technologies are used for the production of paving slabs, fences and other products: vibration casting and vibration pressing.

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Vibratory casting technology

Vibration casting technology is widely used due to its advantages in the quality and aesthetics of the products produced. This technology involves casting concrete with compaction on a vibrating table. The result is products with the following characteristics:

• Dense concrete structure, superior in quality to ordinary concrete;
• Bright, rich colors that allow you to create a wide range of design options;
• Possibility of simulating various natural stones: marble, granite, malachite, etc.;
• Smooth or textured surface to suit different aesthetic requirements;
• A wide variety of shapes and sizes of products, providing a creative approach to design.

Using vibratory casting technology, it is possible to create mini-factories that allow the production of artificial marble, granite and other types of “stone”, paving stones, paving slabs, as well as large architectural elements such as wall panels, sidings, fence elements, small architectural forms .

Vibrocompression technology

In the production of building products using vibrocompression technology, three main components are used: binder, filler and water. Cement can be used as a binder and sand or any similar local materials as an aggregate. The result is products with the following characteristics:

• Low physical and mechanical characteristics (strength, wear resistance);
• Limited color range (solid shades);
• No imitation of stone surface;
• High porosity, which reduces resistance to moisture and frost;
• Limited range of shapes (5 or less types).

Compacting material in bulk bags

A low level compaction table is mainly used to compact material in bulk bags for packaging and filling applications. Compacting the material within a bulk bag significantly reduces the volume of the bag, allowing for more product to be added if required. Compaction also stabilises the bag by bringing all the particles of product closer together.

This has a great advantage when bulk bags are being transported or stored – allowing for bags to be stacked safely (in accordance to health and safety standards) and also saving costs by minimising space used in transit.

Contact us to discuss your requirements of vibration table for casting. Our experienced sales team can help you identify the options that best suit your needs.

Often, filling stations use domed tables to aid filling of material into bag corners. During the filling process of both bags and drums, the vibrating table can be used to remove the peak of material left after filling – allowing an operation to tie the bag – or place on a lid without having to manually intervene. The suspension mountings used on our vibratory tables also make them suitable for mounting on scales to form part of a filling system.

The tabletop usually takes the form of either a flat or domed plate onto which the container is loaded, with big bags often being filled on a flat table so that a pallet can be placed beneath before filling.

Our standard low level vibrating table (mm x mm) can handle up to 1 tonne of product, but tables can be designed and manufactured to suit the size of the application they are working within.

Table units are also often used to reduce the trapped bubbles when making concrete molds or castings, and to evenly compact the concrete out into the mould. The food industry also benefits from using this technique, as foods such as chocolate often require the trapped bubbles worked out when filling a mould. These applications usually benefit from using a vibrator motor (providing oscillating vibration rather than linear) which is also an option for a working height vibration table. Vibrator motors do not offer control over vibration.

Our standard working height vibrating table has a 740mm x 470mm tabletop, and is 620mm high. However, both the tabletop and support frame can be designed to a size and height that suits the application, and if required clamping mechanisms, rubber lining and other additions can be made to suit the application. Can be manufactured in mild steel painted, or full stainless steel (food quality) as required.

A benchtop vibrating table (sometimes known as a countertop vibrating table) can be used upon a work surface for smaller compaction applications. Manufactured in either carbon steel painted, or full stainless steel, the benchtop table is often used for compacting powders and minerals (such as gympsum) or any material within small containers.

The table provides instant on/off function via a switch and full control over level of vibration via the dial on the front of the unit. The table uses a standard UK plug, and is supplied ‘plug in and go.’

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