V0817, 7.4
7.3. Materials
In this tab, materials with their properties can be programmed. Existing materials can be
edited, new materials can be added or existing materials deleted. A maximum of 99 materials
can be programmed on the control.
For each material 3 properties are present and can be viewed and edited.
Material name
Name of the material, as it will appear in the programming screens. The maximum
allowed length of the material name is 25 characters, the name must begin with a
character (not a numeral).
Tensile strength
Tensile strength of the selected material.
E module
E-module of the selected material.
Strain hardening exponent
The Material strain hardening exponent, n, is a material property that should be
provided by the supplier of the material, just like the tensile strength and E-module.
Entering the correct values for this parameter will give an improvement of the inner
radius calculation and thus a more accurate bending depth and bend allowance
calculation.
In its turn a more accurate bend allowance will result in more accurate back gauge
positions.
Initially the value is set to _.__ for all the materials. This means that the parameter n is
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