Cheap CAD (computer aided design) software is easily
available on the Internet in the form of freeware and shareware. These
software systems are used for designing mechanical, electrical, and
electrical blueprints. They are also used for simulation, drafting,
engineering, product analysis and manufacturing.
Cheap CAD
software can easily be installed on mainframes, general-purpose
workstations, and personal computers. It is compatible with different
computer operating systems such as Microsoft windows, UNIX, Solaris,
and SunOS. The software enables engineers, architects, and fashion
designers to create conceptual drawings for assessment and approval.
Cheap
CAD software can be broadly classified into two categories. Basic CAD
software that uses two dimensional (2D) imaging is the most commonly
used software for drafting services and general-purpose applications.
In comparison to these, three dimensional (3D) CAD software is used for
high-end applications such as machine shops, product designing, reverse
engineering, and complex surfacing. It is the most commonly used
software by architects, builders, facility managers, and construction
companies. Cheap CAD software also includes specialized products such
as CAD file viewers, CAD file converters, CAD file red lining, CAD
symbols, and CAD libraries.
Cheap CAD software enables designers
to import CAD files, which are required for controlling manufacturing
equipment. It is used in mechanical engineering to calculate tool paths
and set up machining operations. Tool paths stored in cutter location(
CL) format are exported to a postprocessor for conversion to a
numerically controlled (NC) program. Many of these programs have text
files that incorporate start and stop locations along a grid with X,Y,
and Z axis.
Cheap 2D CAD software is used for designing machines
such as lathes, routers, lasers, water jets, and plasma tables whereas
3D software is used mostly for designing milling machines. Cheap CAD
software can also be used for designing printed circuit board (PCB) and
integrated circuit (IC) blueprints.
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