Drafter Or CADD – Transformation of Engineering Drawing

Drafter is the in use since the ages unknown, some structural designer even uses them today. They are so important that they are still kept as a part of the curriculum in engineering drawing for Bachelor degree and diploma in Civil Engineering. CADD means Computer Aided Designing and Drafting . It is what everyone uses today. So, Drafter Or CADD is that is not a question by some granny’s boyfriend ;).
Drafter Or CADD

Drafter Or CADD

Did you know that a drafter designed that mouse in your hand?

Drafting and design are the backbones of Industry. For every product made or sold, drawings were used to describe it and communicate the design to the worker who made it. Drafters are trained to turn ideas, rough sketches, specifications and instructions into detailed drawings used in manufacturing and construction. Drafters also prepare specifications for quality, quantity, the cost of materials, production and assembly. To do well in this program, you should have mechanical ability and visual aptitude. You should draw well and perform detailed work accurately and neatly. You should have good interpersonal skills because you will work closely with engineers, surveyors, architects, other professionals and sometimes customers. The design drafter must be a creative and organized thinker who can do the following things.

  • Interpret directions
  • Sketch
  • Draw to scale
  • Calculate stress
  • Analyze motion
  • Size parts
  • …………. and the list goes on

Drafter Or CADD

Computer-aided design is one of the many tools used by engineers and designers and is used in many ways depending on the profession of the user and the type of software in question. CAD is one part of the whole Digital Product Development (DPD) activity within the Product Lifecycle Management (PLM) processes, and as such is used together with other tools, which are either integrated modules or stand-alone products, such as:

  • Computer-aided engineering (CAE) and Finite element analysis (FEA)
  • Computer-aided manufacturing (CAM) including instructions to Computer Numerical Control (CNC) machines
  • Photorealistic rendering
  • Document management and revision control using Product Data Management (PDM).

CAD is also used for the accurate creation of photo simulations that are often required in the preparation of Environmental Impact Reports, in which computer-aided designs of intended buildings are superimposed into photographs of existing environments to represent what that locale will be like were the proposed facilities allowed to be built. Potential blockage of view corridors and shadow studies are also frequently analyzed through the use of CAD.
CAD has been proven to be useful to engineers as well. Using four properties which are history, features, parameterization, and high-level constraints. The construction history can be used to look back into the model’s personal features and work on the single area rather than the whole model. Parameters and constraints can be used to determine the size, shape, and other properties of the different modeling elements. The features in the CAD system can be used for the variety of tools for measurement such as tensile strength, yield strength, electrical or electro-magnetic properties. Also its stress, strain, timing or how the element gets affected in certain temperatures, etc.

But it was once well said that

People must know the past to understand the present, and to face the future.

and more importantly one should not forget the Charles Darwin’s Statement.

In the struggle for survival, the fittest win out at the expense of their rival because they succeed in adapting themselves best to their environment.


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