![]() Imagine a bit just grazing the surface of the cylinder and then the cylinder rotates. Basically, take the circumference of the cylinder and divide it into 360 pieces. The software does the math to convert inches (or millimeters) to degrees. Note how, for rotary toolpaths, the X values have been translated to angles. The origin is specified as the lower left corner. For this example the toolpath will move from A to B to C to D and back to A. Let's look at how the code changes when we compare a conventional toolpath to a rotary toolpath. How Does the Code Change for Rotary Work? Some people find the following description of the right-hand rule helpful in understanding the relationship between XYZ and rotary movement. This can help us visualize what the final result will look like even though we don't have the typical preview we are used to from Vectric products. Now look at the preview of the flat design and the toolpath wrapped around the cylinder. The rightmost point on the design would be at 360º Midway between the left and right borders would be 180º The leftmost point on the design would be at 0º If you are wrapping the X values around the rotary axis: This means that X values will be translated into rotational movements that are wrapped around the column. These examples are written for use with an rotary axis that is parallel to the Y axis. Examples for Indexers Mounted Parallel to the Y Axis ![]()
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