The 4th axis can be used for full contouring with other axes, indexing, or flipping a part over. 4th Axis milling usually describes situations where a rotary table is involved in the cutting process in addition to the X, Y and Z axes. You will most often need a full CAM program to create g-code files capable of performing 3D contouring.Ĭustomers also have the option of using more than three axes in 3D part creation. 3D contouring can then be accomplished by creating curves that use all three axes at once, like in a helical cut. Working in three dimensions (3D) means that you have the ability to control at least three axes simultaneously. Most simple CAM programs deal with 2.5D parts. The Z axis then retracts so the X and Y axes can move to the start point of the next feature, which may be cut at a different Z depth than the last feature. During a 2 ½ D cutting process, the Z axis positions itself to a depth where the X and Y axes interpolate to cut a feature. Working in two and a half dimensions (2.5D) means you are cutting a part that has multiple flat features at varying depths. The FlashCut CNC software’s DXF Import feature automates the creation of a tool path from a 2D DXF file. This is common for laser, hot-wire, water jet, and plasma cutting, along with engraving. Working in two dimensions (2D) means that you are cutting out a part with features that are all at the same depth.
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