CATIA (Computer Aided
Three dimensional Interactive
Application),
developed by
Dassault Systems, is one of the world’s leading CAD/CAM/CAE packages.
Being a solid modeling tool, it not only unites the 3D parametric features with
2D tools, but also addresses every design-design-through-manufacturing process.
Besides providing an insight into the design content, the package promotes
collaboration between companies and provides them an edge over their competitors.
In addition to creating solid models, sheet metal components, and
assemblies, 2D drawing can also be generated in the Drafting workbench of
CATIA. The drawing views that can be generated include orthographic, section,
auxiliary, isometric, and detail views. We can also generate model dimension
and create reference dimensions in the drawing views. The bi-directionally
associative nature of this software ensures that the modifications made in the
model are reflected in the drawing views and vice versa.
It is exceptionally easy to use and state of the art user interface,
CATIA V5 delivers innovative technologies from maximum productivity and
creativity, from the inception concept to the final products. CATIA V5 reduces
the learning curve, as it allows the flexibility of using feature based and
parametric designs.
CATIA provides three basic platforms: P1, P2, and P3 and P3, P1 is for
small and medium sized-process- oriented companies that wish to grow toward the
large scale digitized product definition. P2 for the advanced design
engineering companies that required product, process, and resources modeling.
P3 for the high-end design applications and is basically Automotive and
Aerospace industry where high quality surfacing or class-A surfacing is used.
The subject of interpretability offered by CATIA V5 includes receiving legacy
data from the other CAD systems and from its on product data management
modules. The real benefit is that the links remains associative. As a result,
any change made to this external data gets notified and the model can be
updated quickly.
CATIA V5 WORKBENCHES
CATIA V5 serves the basic design tasks by providing different
workbenches as a specified environment consisting of a set of tools that allows
the user to perform specific design tasks. The basic workbenches in CATIA V5
are Part design, Wireframe and Surface
design,
2
Style.
Part Design Workbench
The part design Workbench is a parametric and feature-based environment
in which we can create solid models. Basic requirement for creating a solid
model in this workbench is sketch is drawn in the sketcher workbench that can
be invoked within the part design workbench we can draw the sketch using the
tool in this workbench while drawing the sketch, some constraints are
automatically applied to it. We can
Also apply additional constraints and dimensions manually. After drawing
the sketch exit the sketcher workbench and convert it into a feature. The tools
in the part design workbench can be used to convert the sketch into a
sketch-based feature. This workbench also provides other tools to apply the
placed features such as fillets, chamfers and so on. These features are called
the Dress-up features.
Wireframe and surface Design Workbench
The wireframe and surface design workbench is also a parametric and
feature based environment, and is used to create wireframe and surface models.
Assembly Design workbench
The Assembly design workbench is used to assemble the components using
the assembly constraints available in the workbench. There are two types of
assembly design approaches:
1.
Bottom-up 2.
Top-down
In the bottom-up approach of the assembly design, the components are
assembled together to maintain their design intent. In the top-down approach,
components are created inside the assembly in the Assembly Design workbench.
Drafting Workbench
The Drafting Workbench is used for the documentation of the parts or
assemblies created earlier in the form of drawing views and their detailing.
There are two types of drafting techniques:
1.
Generative drafting 2.
Interactive drafting
3
The generative drafting technique is used to automatically generate the
drawing views of the parts and assemblies. The parametric dimension added to
the component in the part design workbench during its creation can be generated
and display automatically in the drawing views. The generative drafting is
bi-directionally associative in nature. We can also generate the Bill of
material (BOM) and balloons in the drawing views.
Generative Sheet metal Design Workbench
The Generative Sheet metal Design
workbench is used for the designing of the sheet metal components. Generally,
the solid model of the sheet metal components are created to generate the flat
pattern of the sheet, study the design of the dies and punches, study the
process plan of the designing. The workbench also provides the tools needed for
manufacturing the sheet metal components.
DMU Kinematics Workbench
The DMU kinematics workbench is used to design mechanism by adding
joints between the components. It also allows we can simulate and analyze the
mechanisms dynamically.
GTTING STARTED WITH CATIA V5-R19
Install CATIA V5-R19 on system and then start it with double-clicking on
its shortcut icon display on the desktop of computer. After the system has
loaded all required file to start CATIA V5-R19, a new product file, with the
default name product1 will start.
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CATIA educational report
basics of catia