T-FLEX Parametric CAD. Fundamentals. 2D Design

Roughness Parameters
Roughness Symbols
The first section – “Coordinates” – provides the fields to enter the exact coordinates of the roughness snap
point. The current coordinates are dynamically tracked as the cursor moves in the drawing window.
The other sections of the properties window – “Height Parameter”, “Step Parameter”, “Relative Basic
Length” – may contain various sets of parameters, depending on the “Type” field value selections in each
section:
Height Parameter. The possible parameter combinations are – “Basic
Length” and:
Ra, Ra, max, min Ra, min Ra, nom
Rz, Rz, max, min Rz, min Rz, nom
Rmax, Rmax, max, min Rmax, min Rmax, nom
Step Parameter. The possible parameter combinations are – “Basic
Length” and:
S, S, max, min S, min S, nom
Sm, Sm, max, min Sm, min Sm, nom
Relative Basic Length. The possible parameter combinations are:
tp, tp, max, min tp, min tp, nom
Note that the set of values that you can select can be either in the metric or in
the inch notation. This is controlled by the parameter “Units” in the command
“ST: Set Model Status”.
Remember that you can use variables (surrounded in braces) in any parameter
field.
Besides, each parameter combo box provides the pre-defined list of values. The user can customize this list,
modifying and appending it as desired. To edit the list, right click over the dialog combo box, and select
the command “Edit Value List” in the context menu. For detailed information, refer to the chapter “Main
Concepts of System Operation”, the topic “Context menu for dialog input boxes”.
In the “Style” section there are the following roughness parameters:
Symbol. The type of the roughness symbol notation can be selected from the set (see the
diagram on the right).
Direction. Is defined by a symbol of icon or special font, invoked by the key combination
.
Before Symbol, After Symbol. These parameters allow defining additional strings of text to
be displayed before and after the roughness symbol, respectively.
Instruction. This parameter defines the string that will be put above the shelf.
391