Open roughing is usually the first tool path, and the processing time is also long, so it is very important to edit it well. The most commonly used machining strategy for roughing is model area removal.

It should be noted that:

1) The choice of tools, which should be particularly emphasized is that many people do not care, that is, if the work can be completed in the same time, consider more Tool cost. In this way, you are creating more value for the company or private boss, and invisibly enhancing your own value.

2) Allowance, if too much, the next tool will be heavy, too little may overcut. In particular, the margin of the flying knife should be paid more attention. For example, the margin of D30R5 should be 0.5mm on the side and 0.2mm on the bottom.

3) Cut-in and cut-out, both cut-outs can be set to none, cut-ins can be set to two, the first choice can be set to a horizontal arc, and the second choice can be set to oblique Towards.

4) Anti-stomping knife, which is done by setting a threshold.

5) Anti-choking knife, which is done by rounding the knife path, generally set to a value above 0.1.

6) Thickness, especially if there is any opening on the side. When it cannot be opened, adjust the size of the blank appropriately. Sometimes, in order to improve the efficiency of thickening, you can even draw it yourself. Make the boundary blank again. In addition to model area clearing, roughing also sometimes uses contour, reference line processing, contour cut area clearing (used more when descending), 2D curve area clearing (less used), parallel finishing (descending). time) and so on. There are no dead rules for the application of the knife path. As long as it can meet your requirements and is safe and fast, you can use it flexibly. This is exactly what I advocate for programming students. "Pragmatic and flexible".