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Engineering
graphics is the primary medium for developing and communicating design concepts.
The design process is a way of devising innovative solution to problems that
will result in new products or systems. Engineering graphics is excellent tool
for developing designs from initial concept to final working drawings.
Initially, a design consists of sketches and ultimately becomes precise detail
drawings and specifications. They, in turn, become part of the contract
documents for the parties involved in funding and constructing a project. Most
design problems falls into one of two categories: product design and system
design. |
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Product
Design: System Design: System design combines products and their components into a unique arrangement and provides a method of their operation.
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Engineers
generally agree that the computer does not change the nature of the design
process but is a significant tool that improves efficiency and productivity.
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EMC working procedures: Preliminary Ideas: Rough sketches, notes and comments can capture and preserve preliminary ideas for further refinement. “The more ideas, the better at this stage” Refinement: Rough sketches should be converted to scale drawings for spatial analysis, determination of critical measurements, calculations of areas and volumes affecting the design, angles between planes, lengths of structural members, intersections of surfaces and planes, and other geometric relationships. Analysis: Analysis is the step at which engineering and scientific principles are used most intensively to evaluate the best design and compare their merits with respect to cost, strength, function, and market appeal. Implementation: The final design must be described in detail in working drawings and specifications from which the project will be built.
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