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170 | Chapter 9 Creating Work Features
Creating Work Planes
A work plane is an infinite plane that you attach to your part. It can be either
parametric or nonparametric. A work plane can also be used to define a sketch
plane for new geometry. To position a feature that does not lie on the same
plane as your base feature, you define a new plane and then create the feature.
If the plane is parametric, any changes to it affect the position of the feature.
Work planes are defined using two modifiers. The modifiers determine how
the plane will be oriented. By selecting the right modifiers, you can create a
work plane wherever you need a plane to place geometry.
Parametric work planes can be created by specifying edges, axes, or vertices,
and defining whether the plane is normal, parallel, or tangent to selected
geometry. Nonparametric work planes can be created on the current coordi-
nate system (UCS), or on any of the three planes of the World Coordinate
System (WCS).
For more information about creating work planes, see
AMWORKPLN in the
online Command Reference.
PART1_1 contains an extrusion with a profile constrained to its back face.
NOTE For clarity, the parametric dimensions are not shown.
In this tutorial, you use this profile to cut material from the part. By extrud-
ing the profile to a work plane, you can easily control the depth of the extru-
sion by changing the position of the plane.