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2.8.1 Lathe Tool Definition<br />
Select “Lathe” as the type in the tool builder<br />
dialog to define the shape of the turning tool<br />
insert. The following insert shapes are supported:<br />
� Round: A round or circular insert.<br />
� Trigon: A three cornered insert resembling<br />
a triangle, but with an intermediate<br />
angle on the sides, to allow for a higher<br />
included angles at the tips.<br />
� Diamond: A four-sided insert with two<br />
acute angles.<br />
� Symmetrical: Any “n” equal sided insert.<br />
� Thread: A three cornered threading insert,<br />
with a tooth shape on each corner.<br />
� Groove: A single or double sided insert<br />
that can be used for threading, grooving<br />
or cut-off.<br />
� Profile: An insert defined by a 2D profile.<br />
� Generic: An insert defined by an STL<br />
mesh.<br />
Using <strong>Virtual</strong> <strong>Machine</strong> Models with CeRun and Gener<br />
Adding Tooling Definitions to the Simulation<br />
Inserts are defined in the ZX plane of the machine.<br />
The blue dotted line represents the positive<br />
Z-axis of the machine. The red dotted line<br />
represents the positive X-axis of the machine.<br />
The green dot at the intersection point of these two lines is the point on the tool where tool path<br />
traces will originate. This is the center of the nose (or of the round insert) and not the theoretical<br />
tool tip.<br />
The supporting body (e.g., the bar) of the turning tool must be defined separately as a holder, and<br />
then associated with the insert by selecting the holder by name. As explained in the Holder<br />
Definition topic on page 27, two controlling points are defined on a holder: The SCP (spindle<br />
contact point) defines the mating point of the holder with the turret (or other tool holding device).<br />
The TCP (tool contact point) defines the mating point of the holder with either the nose<br />
center or the center of the insert (as shown by a standard VM “tool icon”). The orientation of the<br />
insert on the holder can be set by defining a Y-axis TCP rotation component (in the holder<br />
definition). The Left and Right settings also affect the orientation of the insert with respect to the<br />
holder.<br />
<strong>ICAM</strong> Technologies Corporation – Proprietary 25
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