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Automotive and Aerospace Design were responsible for the development of early CAD systems in the 1960's and 1970's. They were very expensive systems that cost over $ 100,000.00 per station. With the development of the PC, all that has changed, and CAD systems can be procured 300 Dollar Trade Review roughly anywhere from $ 500.00 to $ 5,000.00. Even with costly additional options, it is rare for a single CAD seat to cost more than $ 20,000.00, unless it is being used for some very high-end specialized function. The development of CAD CAM software has paralleled the rise of personal computers, which made this type software affordable for the average manufacturer.

So what about CAM ? I guess you could say that there really is no CAM without CAD. Without an electronic design, no CAM system can function. Sometimes design is done within a CAM system, but without electronic information, CAM is limited. I know many machinists say they program CNC machine tools at the control without a CAD system, but chances are that the blueprint they work from was made using a CAD system.

There are probably 100 people who know what CAD is for every 2 who know what CAM is. In the same way there really is no CAM without CAD, there is also no CAM without CNC machinery. A CNC machine is simply a computerized machine that depends on a series of commands or programmed instructions that include position information to accomplish a particular task. This is usually, but not always, some kind of cutting motion, using a particular type of cutting tool.

CNC machines are not limited to the typical CNC Milling and CNC Turning machines that have been used for nearly 50 years in machine shops across the country, they come in all shapes and sizes. Grinders, turret punches, lasers, plasmas, water jets, wire edms, shears, brakes, coordinate measuring machines, embroidery machines, welders, routers, jig bores, and robots used for most any job imaginable, are just a few of the hundreds of types of CNC machines used in manufacturing today.