Power clamping nuts for variable clamping edges quickly and safely

Enemac Power clamping nuts for variable clamping edges quickly and safely

02.05.2018Editor: Briggette Jaya

To avoid long set-up times and costs incurred for the clamping of work pieces and tools, Enemac offers the ESD mechanical power clamping nut series for secure, fast and maintenance-free clamping.

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Users can easily and even manually achieve forces of between ten to 15 tonnes with the ESD series.
(Source: Enemac)

Germany-based Enemac developed the ESD power clamping nut series in such a way that the nut is arranged off-centre to enable a passage thread to allow for variable clamping edges. Like the ESB series, the ESD series also has an integrated planetary gear that can be driven by a small nut outside the housing easily, whereby the internal thread is somewhat retracted, which in turn tightens the counterpart, the company explains.

When workpieces or tools are of different sizes, constraints arise with the use of the ESB clamping nut because of the limited depth of the screw. Now, this has been overcame with the ESD series. The principle is simple, while providing a rather large effect because this concept enables users to easily and even manually achieve forces of between ten to 15 tonnes.

Competences can be distributed among different locations across the world, the WBA Tooling Academy states. (© royyimzy - stock.adobe.com)

The power clamping nut is screwed onto the existing bolt. The small nut is turned at the top with a standard torque wrench – in some cases with a normal socket wrench – and the clamping nut tightens the workpiece or the tool self-locks very quickly.

The model is available for threads between M12 to M64, while special threads are available on request. Enemac notes that the power clamping nuts can be used anytime, either as an original part or as a retrofit item.

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