Bend and Impact Tester, Model 471

The Bend and Impact Tester is used to measure both flexibility and impact resistance of lightgauge sheet metal, or tube stock, coatings in a single operation. The test simulates punching,
beading, crimping and similar operations.

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Bend and Impact Tester, Model 471

Measure both flexibility and impact resistance

A bent coated sheet metal panel is subjected to a prescribed impact force thus causing the
cylindrical fold in the panel to be squeezed into a conical shape.
The test permits to determine the bending radius at which failure of the coating first occurs.

The Bend and Impact Tester, model 471 consists of 2 vertical tubes which guide a 2300
+/- 100 g impact tool with a 650 mm +/- 5 mm drop, a special-design-anvil for placing the test
panel.

A 5 mm diameter rod mandrel for bending the coated panel is also mounted on the base plate
of the instrument.

 


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