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CAD / CAM Basics Software helps you to design your product on a computer rather than paper. Computer-aided design and manufacturing (CAD/CAM) is a term used to describe the use of computer systems in various steps of the product development cycle. CAD/CAM software helps users create 3D models, drawings, and other such content that is required to manufacture a model or prototype.

cad / cam basics

Throughout the history of our industrial society, many inventions have been patented and whole new technologies have evolved. Perhaps the single development that has impacted manufacturing more quickly and significantly than any previous technology is the digital computer. Computers are being used increasingly for both design and detailing of engineering components in the drawing office.


Computer aided design(CAD) is defined as the application of computers and graphics software to aid or enhance the product design from conceptualization to documentation. CAD is most commonly associated with the use of an interactive computer graphics system, referred to as a CAD system. Computer aided design systems are powerful tools and in the mechanical design and geometric modelling of products and components.

There are several good reasons for using a CAD system to support the engineering design function:

✓ To increase the productivity

✓ To improve the quality of the design

✓ To uniform design standards

✓ To create a manufacturing data base

✓ To eliminate inaccuracies caused by hand copying of drawings and inconsistency between drawings

Computer-aided manufacturing (CAM) is defined as the effective use computer technology in manufacturing planning and control. CAM is most closely associated with functions in manufacturing engineering, such as process and production planning, machining, scheduling, management, quality control, and numerical control (NC) part programming.

Computer-aided design and computer-aided manufacturing are often combined CAD/CAM systems. This combination allows the transfer of information from the design into the stage of planning for the manufacturing of a product, without the need to re-enter the data on part geometry manually. The database developed during CAD is stored, then it is processed further, by CAM, into the necessary data and instructions for operating and controlling production machinery, material handling equipment, and automated testing and inspection for product quality. In general, a Computer Aided Design (CAD) package has three components:

a. Design

b. Analysis and

c. Visualization.

A brief description of these components follows.

  • Design:

Design refers to geometric modeling, i.e., 2-D and 3-D modeling, including, drafting, part creation, creation of drawings with various views of the part, assemblies of the parts, etc.

  • Analysis :

Analysis refers to finite element analysis, optimization, and other number crunching engineering analyses. In general, a geometric model is first created and then the model is analyzed for loads, stresses, moment of inertia, and volume, etc.

  • Visualization :

Visualization refers to computer graphics, which includes: rendering a model, creation of pie charts, contour plots, shading a model, sizing, animation, etc.


Computer Aided Design, Computer Aided Manufacturing, Robotics, Additive manufacturing and 3D printing are few of the terms that describe the technological world of today. They are used for multiple purposes across various industry verticals. CAD / CAM / Robotics is considered one of the fastest growing technology trends in recent years.

CAD, CAM and Robotics are the essential ingredients for a successful manufacturing business. Without these three elements it is very difficult to survive in today’s competitive environment.

  • Designing a product using 3D modeling software
  • Creating a drawing from the design file
  • Establishing machining parameters to ensure proper fit and finish of parts
  • Setting up a CAM job using CAD data to machine components on a CNC machine.


CAD CAM and Automation is a significant part of the manufacturing industry. Computer-aided design and computer-aided manufacturing are used to create models from physical objects, as well as to create entire products from virtual 3D models. The key distinction between CAD and CAM is that CAD creates a working model, while CAM creates parts.

The digital revolution is upon us! Computer-aided design, computer-aided manufacturing and automation are changing the way we think about product development. This article will help you understand how these processes work and why they’re important to your business.  It will also guide you through some of the common pitfalls that can hinder a business’s success with this trend.

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