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Circular motion screening machine

Our solution for classic applications

Kreisschwing-Siebmaschine

A SIEBTECHNIK circular motion screening machine is the classic solution for process engineering tasks in screen classification. They are free-swinging screening machines with a circular oscillating movement, which are mounted on air or helical compression springs.

Design variants

A SIEBTECHNIK circular motion screening machine is the classic solution for process engineering tasks in screen classification. They are free-swinging screening machines with a circular oscillating movement, which are mounted on air or helical compression springs. The mass ratios of the screen box and unbalance are optimally matched to each other. In this way, a harmonious oscillating movement can be transmitted to the screened material at all points of the screening machine. The speed and vibration amplitude of the machine can be varied to suit the specific product, thus ensuring a consistently perfect screening result. The robust design using and combining standard components ensures a high degree of flexibility and enables customer-oriented solutions. In addition, machines with low-maintenance running times and a long service life are created.

Our screening machines in the REKORD V (shaft with unbalance), VZ (cell drive) and VR (unbalance motor) series offer separation sizes from 0.8 to 300 mm and a screening surface of 0.5 to approx. 60 m². Depending on the product, the machines can be designed for a vibration amplitude of 2 – 14 mm. The screen bottom inclination is between 10° and 30°, depending on requirements, and the screen structure can comprise between one and three screen decks.

The screen box is designed to accommodate either longitudinally or transversely tensioned screen panels or flat screen panels and, of course, also for system screen panels from different screen panel manufacturers. For dusty screenings, we can supply circular vibrating screens with a dust hood or a closed dust protection box on request. Screening aids in the form of knocking devices or sprayers are also available as an option, individually adapted to your requirements.

Kreisschwing-Siebmaschine
Kreisschwing-Siebmaschine
Kreisschwing-Siebmaschine
Kreisschwing-Siebmaschine

Operating behavior & mechanical features

SIEBTECHNIK Circular-motion Screening Machines are free-swinging machines, which means that the diameter of the oscillating circuit is freely adjusted according to the mass ratio of the screen box and the unbalance. Circular vibrating screens have a steep throw angle and therefore require a screen bottom inclination of 10° to 18°. Exceptions are dewatering screens with an inclination of 3° to 5° and steep screens, e.g. sand screens with an inclination of 25° to 40°.

The screen box, consisting of side walls and cross beams, absorbs all static and dynamic forces. The drive shaft with the imbalances runs in two roller bearings, which are arranged in the center of gravity of the screen box. The screening machine is driven by V-belts or a flexible coupling. Larger screening machines are additionally equipped with a countershaft. The bearings are either oil or grease lubricated. The screen box is elastically supported on 4 spring elements against the substructure. It is designed to accommodate either longitudinally or transversely tensioned screen panels or flat screen panels. For dusty screenings, we can supply circular vibrating screens with a dust hood or a closed dust protection box on request.

Gallery

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Kreisschwing-Siebmaschine. 3D Animation. Maschine mit Luftfederung, Waschdüsen und einem Siebdeck.
Kreisschwing-Siebmaschine
Funktionsprinzip einer Kreisschwing-Siebmaschine. 3D Animation. Es handelt sich um eine Maschine mit Luftfederung. Das Produkt wird über das Sieb gefördert und mittels Waschdüsen gewaschen.
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Kreisschwing-Siebmaschine
Kreisschwing-Siebmaschine
Kreisschwing-Siebmaschine
Kreisschwing-Siebmaschine
Kreisschwing-Siebmaschine
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Kreisschwing-Siebmaschine
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Kreisschwing-Siebmaschine
Kreisschwing-Siebmaschine
Two individual, differently sized air bellows of the LuCoTec air suspension system lie on a pile of gravel in a gravel works, in the background you can see the plant with screening machines and conveyor system

Accessories for Screening Machines

Here you will find an overview of our extensive range of screening machine accessories, e.g. atomization, wear protection, drive consoles, air suspension, counter-swing frame, dust protection, double imbalance gearbox, hybrid suspension or special screen linings.

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Linearschwingsiebmaschine HR 13-5 50 I WS vor Ort, d.h. eingebaut in eine Anlage. Die Maschine hat eine Luftfederung.

Linear motion screening machine

Our linear motion screening machine is used for screening and dewatering granular bulk materials. Even extreme requirements, high temperatures and low residual moisture can be realized with these machines.

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Ellipsenschwing-Siebmaschine - Installation in Norwegen

Elliptical motion screening machine

The elliptical vibrating screen combines the advantages of linear and circular vibrating screens with space-saving horizontal installation and high material throughput.

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