Power clamping.

The current model of the JAKOB Antriebstechnik mechanical power clamping nut MDA combines the simplest, manual operation at low tightening torques with the highest clamping forces. The interior can multiply the manual tightening torque by means of a robust gear transmission with special slide bearing. The self-locking mechanism guarantees maximum operational safety. A long life is ensured by the material design made of tempered steel with a corrosion-protective surface coating. 

Special endurance tests confirm these expectations. For example, the power clamping nuts were subjected to continuous load on a special test bench up to 10,000 load cycles.

The power clamping nuts MDA are available for thread sizes from M12 to M48 and can apply up to 180kN clamping force.

The fields of application of the MDA cover all fields of mechanical engineering in which high clamping are required. For example, clamping of pressing and punching tools or workpiece clamping during machining. The MDA power clamping nut enables safer, more economical and more exact clamping. Under normal operating conditions, it is maintenance-free and can be used up to 200 ° C. In special versions, it can be used even up to 400 °C.

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Clampin screw with power amplifier.

New investments should be "worth it" in the long term - be it through easier and faster handling during setup, through the reduction of potential hazards or more ergonomic workplace designs. Longer tool service life or improved product quality are also among the desired advantages. Solutions that combine several of these aspects are particularly interesting. With JAKOB clamping elements, such a multiple effect is often found - thanks to their innovative and well-thought-out "inner workings".

The heart of the JAKOB SC power clamping screws is their unique inner workings: a specially developed wedge clamping system. This system serves as a powerful amplifier and enables extremely high clamping forces with low tightening torques. The simple, manual operation guarantees the highest operational reliability.

The SC series power clamping screws are suitable for a wide range of applications - including presses, punches, machine tools, fixture construction and equipment construction. Various sizes with graduated thread diameters and clamping forces are available.

Thanks to their special geometry, the SC clamping screws are self-locking in every clamping position and offer a clamping stroke of up to 3 mm. This means that clamping forces up to the nominal value can be reliably achieved regardless of the tightening torque.

In addition to the standard series with thread diameters of M36, M48, M64 and M80, JAKOB offers the special version SC 100. This impresses with a maximum clamping force of 250 kN with a thread of M100 x 6 - and that with a tightening torque of just 130 Nm. Operation is straightforward with a 14 mm Allen key. For precise, reproducible clamping force values, the use of a torque wrench is recommended.

Customer-specific special threads are possible at any time on request in order to offer tailor-made solutions for special requirements.

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