> &With the development of automobile industry, there are more and more five axis CNC machines. However, in the current market, there are few real five axis (with RTCP function) machine tools and many false five axis (only with indexing function) machine tools. What is true five axis and false five axis? Whats the difference between them? The following description is as follows.
The true five axis has RTCP function. It can automatically convert according to the swing length of the spindle and the mechanical coordinates of the rotating table. When programming, we only need to consider the coordinates of the workpiece, not the swing length of the spindle and the position of the rotating table.
Whether it is true or not depends on whether the five axes are linked. The false five axes can also be linked. If the spindle has RTCP true five axis algorithm. It is to do indexing processing. The true five axis with RTCP function only needs to set a coordinate system, and only needs to set the coordinate once for tool setting. The fake five axis is a lot of trouble.
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The CNC system with RTCP function can be programmed directly with tool tip, without considering the center distance of rotation axis. After applying RTCP mode, programming 5-coordinate machining can directly aim at the tool tip instead of the center of rotating spindle head, so programming will become much simpler and more efficient.
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From the figure, we can see that for the false five axis of double turntable, multiple coordinates need to be set to achieve the purpose of indexing. But if it is a pendulum type five axis, the indexing processing can not be completed, because the pendulum five axis, when processing downward, is not a separate Z movement, but Z and X or Y movement together. At this time, the program of pseudo five axis will be very troublesome and debugging will be more difficult. At this time, the g51 offset function of three axis cannot be used.
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The true five axis has RTCP function. It can automatically convert according to the swing length of the spindle and the mechanical coordinates of the rotating table. When programming, we only need to consider the coordinates of the workpiece, not the swing length of the spindle and the position of the rotating table.
Whether it is true or not depends on whether the five axes are linked. The false five axes can also be linked. If the spindle has RTCP true five axis algorithm. It is to do indexing processing. The true five axis with RTCP function only needs to set a coordinate system, and only needs to set the coordinate once for tool setting. The fake five axis is a lot of trouble.
22.png
The CNC system with RTCP function can be programmed directly with tool tip, without considering the center distance of rotation axis. After applying RTCP mode, programming 5-coordinate machining can directly aim at the tool tip instead of the center of rotating spindle head, so programming will become much simpler and more efficient.
23.png
From the figure, we can see that for the false five axis of double turntable, multiple coordinates need to be set to achieve the purpose of indexing. But if it is a pendulum type five axis, the indexing processing can not be completed, because the pendulum five axis, when processing downward, is not a separate Z movement, but Z and X or Y movement together. At this time, the program of pseudo five axis will be very troublesome and debugging will be more difficult. At this time, the g51 offset function of three axis cannot be used.
24.png