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Do you know about 3 axis, 3+2 axis and 5 axis CNC machining

2020-10-27

In the process of CNC machining, we often hear 3 axis, 3+2 axis, 5 axis and other words, so what do they mean and what is the difference?

1. 3-axis machining: 3-axis machining is carried out by linear feed axes X, Y and Z. Machining features: The direction of the cutting tool remains unchanged throughout the cutting path. The cutting state of the tip cannot be perfect in real time.

2. 3+2 axis machining: the cutting tool is fixed in an inclined position with two rotating axes, and then processed by feeding axes X, Y and Z. This machine tool is also called positioning five axis machine tool, focus on WeChat public number, stamping side can use Siemens CYCLE800 function for programming processing. The CYCLE800 is a static plane conversion that can be used to define a rotating working plane in space through a 3+2 axis machine tool (such as a rotary head or rotary table). On this work surface, you can program 2D or 3D machining operations.

3. 5-axis machining consists of linear interpolation motions of feed axis X, Y, Z and any 5 axes in rotation axis A, B and C around X, Y and Z.Siemens motion Switching Instruction TRAORI supports 5-axis switching very well. In the process of moving along the whole path, the direction of the tool can be optimized and the tool can move in straight line at the same time. In this way, the best cutting state can be maintained throughout the path.

At present, the high-end machining center is developing towards five-axis control, and the workpiece can be machined to pentahedron at one time. For example, the high - grade numerical control system with five - axis linkage can also be used for high precision machining of complex space surface.