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/*728*90 created on 2018/5/16*/ var cpro_id = "u3440131"; Home>Bearing knowledge>Analysis of EdgeCAM's idea of ​​multi-axis processing Analyze EdgeCAM's idea of ​​multi-axis processing
With the wide application of multi-axis CNC machine tools; more and more companies have found that multi-axis programming has become a bottleneck affecting processing power. Here we try to provide a simple and reliable treatment solution for us - EdgeCAM product The unique features of multi-axis machining and the two characteristics of simplifying. /*250*250 was created on 2017/12/25*/ var cpro_id = 'u3171089';
With the wide application of multi-axis CNC machine tools; more and more companies have found that multi-axis programming has become a bottleneck affecting processing power. Here we try to provide a simple and reliable treatment solution for us - EdgeCAM product The unique features of multi-axis machining and the two characteristics of simplifying.
First of all, let's first understand the origin of this bottleneck problem. Multi-axis machining should be precisely multi-coordinate linkage processing. At that time, most of the control processing equipment can complete the five-coordinate linkage; many types of such equipment; layout type and control system They are all different; in the three-coordinate milling process and the general two-coordinate turning process; the main body of the NC code as the machining program is a lot of coordinate points; the control system controls the movement of the tool tip point through the coordinate point; The shape of the part that is required. In the process of programming; we only need to calculate the part model; get the point data on the part. In multi-axis machining; not only need to calculate the coordinate data of the point; Obtain the vector direction data at the coordinate point; this vector direction is generally used to express the tool axis direction of the tool during processing; this is a challenge for everyone's accounting. The most economical solution for this operation is through the computer and CAM software is coming to an end; many CAM software have this talent. But these software are used and learned. The more difficult; more elements of the programming process needs thinking; be able to use CAM software programming staff has become a bottleneck elements of the multi-axis machining.
Secondly, even after using CAM software; after obtaining point data and vector direction data from the policy part; it does not mean that the data can be directly used for practical processing. Because it is different from the machine layout and control system; how can the data be Accurately interpreted as the movement of the machine tool; it is the problem of multi-coordinate linkage processing demand processing. Here we first look at the impact of the same machine layout on the machining program. Let's take the five-coordinate milling machine as an example; The type is divided into three categories: double turntable, double swing head, single swing head/single turntable; in each category; because the moving method of the moving parts of the machine tool is different, for example; take the linear axis The Z axis is an example; for vertical equipment; the habit of programming is positive in the Z axis; however, some devices are fixed by the spindle head and the work table moves downward; the Z axis that occurs when the tool moves relatively upward Moving in the positive direction; some equipment is fixed on the workbench and the spindle head moves upwards; the generated tool moves upwards. Refer to the coordinates of the tool and the coordinates of the parts. In the relative relationship; the different machine layout has no effect on the middle of the three-coordinate machining; but for the multi-axis linkage equipment; it is not the same; these relative motion linkages have different requirements for the processing program. Secondly; because the machine control system is different; the method of tool compensation and the pattern of the program also have different requirements. Therefore, only using CAM software to calculate the point data and vector direction can not truly satisfy the end processing requirements. These point data and vector direction data are the pre-documents that programmers often say. We also need to use it later; use other things to convert these pre-files into a suitable machine tool. This is what everyone often says. Post processing.
The manufacturing requirements for post-processing are completed by professionals using a variety of software things; although most CAM software can supply such modules; however, this task is difficult to be completed by engineers and technicians; Very high; not only know the use of CAM software channels; also need to use some programming language and things; so that some software companies catch this business opportunity; specialize in the development of such software to meet the needs of the mall; this is multi-coordinate The origin of the processing bottleneck.
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Analyze EdgeCAM's idea of ​​multi-axis processing
Source: China Bearing Network Time: 2014-10-29