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This CAD software has been primarily 2D drafting and 3D wireframe CAD, with a few surface modeling products, such as Autocad.
#Cad cam system Pc
The PC has been home to CAD software for decades. The only problems they have suffered from is a lack of integration with the original design modeling CAD system, and a lack of ability to access the CAD market. This class of products has grown in sophistication to rival the capabilities of the traditional integrated CAD/CAM products, while maintaining their lead in simplicity, efficiency, and cost. In general they are faster, easier, and far less expensive than their workstation-based integrated brethren. These CAM products focus on NC programming, or both manufacturing modeling and NC programming. The disadvantages of the traditional integrated workstation CAD/CAM system has contributed to the growth of the standalone CAM market as we know it today. No mixing and matching of products is allowed. In addition, once the customer picks the CAD product he likes best, he’s kind of stuck with whatever CAM product they have. Because of their cost and complexity, these products do not provide ideal solutions for everyone. These products typically provide data, interface, and application integration. All provide high sophistication, high power, and high cost solutions. Companies like Parametric Technologies (Pro/E and Pro/Manufacturing), Unigraphics, Dassault (Catia), SDRC (IDEAS), Computervision (CADDS 5), and others. Many companies provide such products today. Until recently, integrated CAD/CAM meant buying the same brand CAD and CAM products. Someone got the bright idea to eliminate this to-and-from drawing step, and integrated CAD/CAM was born. This making of drawings, and programming parts from drawings, was (and still is) time consuming and subject to a lot of human error. The first CAM systems helped an NC programmer/machinist/manufacturing engineer program from these drawings. Engineers used CAD systems to draw pictures of parts. In the beginning, there were only CAD systems. (See pict 7) Two Parasolid based software programs sharing one Parasolid data file is even better, as both model history and associativity can be maintained. (See picts 5 & 6) A Parasolid file sent from one Parasolid based software program to another, represents very good data integration, as the data comes through flawlessly.
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An IGES surface file represents poor data integration, due to the amount of manual repair work frequently required for success. This is the most important type of integration for CAD/CAM. There are three different types of integration to consider:ĭata Integration. Data integration is the ability to share part models (common data files or a common database). Integration refers to how different software functions work together. For these different products to work well together, they need to possess a high level of integration. Unfortunately this is not a perfect world. In a perfect world, you would select up to three different products, each one best at one of these functions, and they would all interact perfectly. This model can be represented as a drawing or a CAD data file. This definition of the part can be called its model. There are other types of CAD and CAM, but for the purposes of this article, only mechanical CAD and CAM are discussed.Įngineering design and manufacturing uses CAD/CAM software for three distinctly different purposes:ĭesign Modeling. A mechanical design engineer uses CAD software to create a part. CAM is software used to develop NC programs. To understand CAD/CAM integration today, it makes sense to start with the steps that need to be integrated.ĬAD (Computer Aided Design) is widely used to describe any software capable of defining a mechanical component with geometry, surfaces, or solid models. What is CAD/CAM integration? Is it good? Do you need it? It all depends on the type of integration and what your needs are. They pursue integration through other means than single brand products. Now there is a new group of products touting integration as a key issue. They provide CAD and CAM integration by providing all pieces from the same company.
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There have been big workstation integrated CAD/CAM systems around for many years. Integration plays a very important role in the future of CAD/CAM products.
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The biggest change in recent times for the CAD/CAM industry lies with the term "integration". If you are involved with CNC machines, you are probably involved with CNC programming and CAD/CAM systems.