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Chapter

14

Surface Modeling
Learning Objectives
After completing this chapter, you will be able to:
• Create an extruded surface.
• Create a revolved surface.
• Create a sweep surface.
• Create a blended surface.
• Create a swept blend surface.
• Create a helical sweep surface.
• Create a surface by blending the boundaries.
• Create a surface using variable section sweep.
• Create surfaces using style environment.
• Understand surface editing tools.

14-2

Pro/ENGINEER Wildfire for Designers (Eval Copy WF 05/06)

SURFACE MODELING
Surface models are a type of three-dimensional (3D) models with no thickness. These models
are widely used in industries like automobile, aerospace, plastic, medical, and so on.
Surface models should not be confused with thick models, that is, models having mass
properties. Surface models do not have thickness whereas thick or solid models have a
user-defined thickness. In Pro/ENGINEER, the surface modeling techniques and
feature creation tools are the same as those used in solid modeling. A solid model of any
shape that is created can also be created using the surface modeling techniques. The only
difference between the solid model and the surface model is that the solid model has mass
properties but the surface model does not. Sometimes, complex shapes are difficult to create
using solid modeling. Such models can be easily created using surface modeling and then
the surface model can be converted into the solid model. It becomes easy for a person to
learn surface modeling if he is familiar with solid modeling feature creation tools.

CREATING SURFACES IN Pro/ENGINEER WILDFIRE 3.0
In Pro/ENGINEER Wildfire 3.0, a sketch can be toggled between a solid model and a surface
model. The two tool buttons that are used to toggle between the solid feature and a surface
feature are available on dashboards.

Creating an Extruded Surface
To create an extruded surface, choose the Extrude Tool button from the Base Features
toolbar. The Extrude dashboard will be displayed, as shown in Figure 14-1.

Figure 14-1 The Extrude dashboard
In this dashboard, the Extrude as solid button will be selected by default. Select
the Extrude as surface button to extrude the sketch and create a surface model. All
the attributes of a solid model, that were discussed in Chapter 3, are the same for a
surface model also. Some examples of these attributes are sketch plane, both-side or
one-side extrusion, depth of extrusion, and so on.
A surface model can be extrud...
Chapter 14
Surface Modeling
After completing this chapter, you will be able to:
• Create an extruded surface.
• Create a revolved surface.
• Create a sweep surface.
• Create a blended surface.
• Create a swept blend surface.
• Create a helical sweep surface.
• Create a surface by blending the boundaries.
• Create a surface using variable section sweep.
• Create surfaces using style environment.
• Understand surface editing tools.
Learning Objectives
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