The 8 Most Important CATIA Commands that Every User Should Know
CATIA, an acronym for Computer Aided Three-Dimensional Interactive Application is a multi-platform software suite that incorporates (Computer Aided Design), CAM (Computer-Aided Manufacture) and CAE (Computer-Aided Engineering) all at one place. This software program developed by the French company, Assault Systems aids in product lifecycle management and 3D modelling too and is used in the design of various industry products like automobiles, aviation equipment, consumer goods, industrial equipment etc. CATIA is highly versatile and can be used to create simulations and animations too. Hence CATIA courses in Nagpur are very popular.
CATIA is proficient in creating non-parametric and parametric 3D models. It is available in different languages and can be used in Windows, IRIX, Solaris and HP-UX. It has the ability to help the user visualise products easily and has a wide range of tools.
To learn CATIA, one has to basically learn the CATIA commands. That is why a lot of focus is put on understanding and learning the commands in good training centres such as our CADD Centre, Nagpur. These commands are well-defined instructions that are given to the software program to perform specific tasks or actions, like extruding features or creating 3D sketches. CATIA commands are available for use on the toolbar buttons, programs menu or search by command name from typing into the command line.
A CATIA command usually consists of two parts:
- Name of the command
- Parameters or options related to the command
For example, Pad.2 (Sketch.1, 65 mm)
This is a command that is used to extrude a 2D design in a specified direction in order to create 3D shapes. In the above example, ‘Pad’ denotes the name of the command, and the number ‘2’ denotes the instance number of the feature. ‘Sketch.1’ points out the sketch that has to be extruded and ‘65 mm’ is the extrusion height or distance. The built-in help documentation of CATIA helps to assign detailed information to each and every command, including its usage and syntax. CADD Centre also provides Mechanical CAD Course in Nagpur
Each of the CATIA commands is important depending on its specific use and the industry. However, 8 of the most widely-used and extremely useful commands are as follows:
This command is equivalent to a similar command called ‘EXTRUDE’ present in most CAD software. PAD command is used when material is to be added in the third direction i.e. a direction which is other than the sketch. It creates 3D shapes from 2D drawings.
The function of the POCKET command is the opposite of that of the PAD command. It removes a geometrical shape out of a part that is already created such as creating a cylindrical hole in the centre of a cube. It removes material from 3D shapes.
This command is equivalent to a similar command called ‘REVOLVE’ present in most CAD software. The SHAFT command uses an axis for revolving a particular sketch to make shaft-like parts. So, to use this command, an axis is required around which the feature will revolve for open or closed profiles.
GROOVE and SHAFT commands work in a similar fashion. The difference between them is that grooves are created by removing material and shafts are created by adding material. GROOVE command removes material by revolving a sketch around an axis or a construction line.
The fillet command is useful when rounded edges are to be created between two intersecting features or surfaces such as creating rounded edges between the adjacent faces and lines in 2D shapes as well as 3D shapes. It can also be useful in connecting two tangent arcs in 2D models.
By using the RIB command, you can add strength to an existing shelled body as it extrudes a profile to construct a rib. In software like SolidWorks, it is known as the SWEEP command. RIB command is useful to create components like pipes, springs etc. Material is added through the RIB command along a guide curve such as an arc, a straight line etc.
A slot is used to remove material along a guide curve. SLOT command is the opposite of RIB command as here, it removes material instead of adding material. SLOT command removes material along a centre curve across the profile. To define a slot, a centre curve, a reference element and a planar profile are required along with an optional pulling direction.
A chamfer is a transitional edge that is created often at a 45° angle between two faces of an object. The Chamfer command removes or adds a flat section from a specified edge to make a bevelled surface between two adjoining right-angled faces. This command allows you to specify the two Behaviour modes i.e. length and angle.
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