Wedge Grip - Grips
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Wedge
grips are mainly designed for testing of metals, plastic dog-bone
shape samples as well as wooden specimens with soft to mid-hard
surfaces. Wedge grips possess a solid body with interchangeable
jaw inserts with a mechanism for opening and closing of the
grip.
The
wedge grips come with a pre-tensioned spring which generates
the pre-groipping force. The main gripping force will be applied
through the wedge action. The gripping pressure adjusts itself
using a moving wedge in a constant ratio to the tensile strength.
Advantages:
- Gripping
force is proportional to the tensile strength, and the
grip will self-clamp itself as the load increases
- Wedge
grips are symmetrical and they close in the tensile axis
direction
- The
hight temperature resistance ( -40 up to 250°C) and
low overall height of these grips makes them suitable
for use in temperature chambers
- Wedge
grips are designed to be very simple and quick.
- The
long clamping length and excellent jaw guidance properties
enable the area pressure on the specimens to be minimized.
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