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How to make five-axis cnc processing becomes simple


  For moldmakers with multi-axis machines, developing CNC programs that take full advantage of the capabilities of these machines can be challenging. Its purpose is to take full advantage of the additional shaft movement (table or turret) of the machine tool in the most efficient manner while providing a good surface finish of the mold.
In recent years, the synchronous movement of the machine tool has become more complicated, which also makes the CAM software system face math and technology problems. The rapid development of machining technology has made it difficult to develop highly efficient NC programs that can be used to run machine tools.
In addition, software products designed for multi-axis machines must be easy to use and error-proofing. Due to the high cost of high-precision tools and accessories for materials used in these advanced machine tools, very small programming errors can also cause significant damage.
     Based on these preconditions, the challenge for CAM software developers is how to combine these powerful programming features with programming that is easily understood by the user. These functions must be clarified in order to guide the user through the programming process and thus avoid errors in the determination of the tool path. At the same time, it does not make the programming process rigid or limited.
Old-fashioned thinking
     In order to be able to provide users with a variety of machining programs, CAM software developers will always be four-axis, five-axis machining into a variety of toolpaths can be used for a variety of special functions. In fact, some CAM developers are proud of the many specialized features they offer.
The cost of developing this type of software is to make the function of the system unintelligible. A typical end user can only understand and make use of limited functionality. Busy CNC programmers can not remember the many uses of CAM systems, so they typically only program based on what they know best, ignoring other features.
Four simplified steps
     New ideas for advanced machining functions are based on the notion that any five-axis machining function (no matter how complex) can be defined in a few simple steps. Mold makers have taken the time-tested method of setting mold production processes:
     (1) the processing area and processing order. This step, based on the complexity of the part's shape, is often the easiest to motivate a skilled mechanic.
     (2) What kind of shape should the tool path be in the machining area? Should the tool be cut according to the parameterized surface of the surface, in the order of front and back or up and down, with the surface boundary as a guide?
     (3) How to guide the tool axis to match the path of the tool? This is important for the quality of the surface finish and whether shorter rigid tools are used in tight spaces. Mold makers need to have full control of the tool, including the inclination of the tool when it is tilted. In addition, many machine tools must consider the rotation of the table or turntable generated when the limit. For example, there is a limit to the degree of rotation of a milling / turning machine.
     (4) How to change the cutting path of the tool? How to control the displacement of the tool due to reset or generated displacement and the tool must be in the processing area at the beginning of the tool path? The displacement caused by the conversion process is very crucial in the mold production, It eliminates traces of testers and tools that can be cleared by subsequent manual polishing.
New ideas
     The idea of lineage mechanics deciding on five-axis machining of complex parts is a better way to develop CAM software. Why decompose the five-axis machining function, rather than developing a familiar and easy-to-understand, single programming procedure for the programmer?
     This advanced technology will eliminate the contradiction between powerful functionality and ease of use. By simplifying multi-axis machining into a unique feature, users can quickly and expertly utilize all the features of a product. With this new feature, CAM offers maximum flexibility and compactness in 5-axis machining.
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