Control 2018
Wedge screw grips for materials testing
In April 2017, Hegewald & Peschke launched its own series of wedge screw clamps on the market. The clamping devices have met with great interest from customers, meaning that the first machines with these new wedge screw clamping devices have already been delivered.
The series includes clamping fixtures in a load range from 20 kN to 250 kN. These are primarily used for testing fiber composites and high-performance materials. The wedge screw grips are characterized by their compact design and the ability to apply increased preload forces. The grips are suitable for both tensile and compression tests. For compression loading, optional connections are installed in the base body of the clamping fixture. For opening and closing, the ergonomic handwheels on the right and left are operated manually. These are also used to apply the preload force. The sample is clamped via the proportionality between tensile force and clamping force. The clamping force, applied by the wedge angle of the clamping jaws, is always higher than the tensile force applied. On the one hand, this prevents the sample from slipping and, on the other, it is not damaged in the clamping area by an excessively high clamping force at the start of the test. sw
Control, Hall 6, Stand 6306
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