After the text is adjusted, select the roughness command, we can get the dialog box of Figure 6. Since we use this processing to process the text, there will be some changes in the parameter selection. First of all, in the machining allowance, this parameter will become the engraving depth (concave height) of our text. When used, we can get the cutting of the selected surface by giving a negative value. When used, the absolute value of this margin is required to be smaller than the radius of the tool. In the option of cutting depth (Fig. 7), the parameter of the value does not change, and the depth of cut will determine the position of the bottom of the tool during machining. Several of the following tool guidance options (Figure 8) and connection options (Figure 9) are very important when used for text processing. Among them, in the tool guiding option, since the whole area is the principle in the equal roughness processing, when the processing is performed, the outside of the area is used for guiding the tool, but when we use it to process the text, it will The area of ​​the text is used as the machining area, and the tool guide is not allowed. Therefore, in Figure 8, the type option is none. Similarly, the import length of the tool we set it to 0, so as to ensure the integrity of the text boundary. In the connection options (Fig. 9), there is a short connection distance which is the most important setting. It means that in the area, when the distance between the tool paths is smaller than this value, a short connection can be made, because the text is in use. There is often a small gap, and if there is such a connection, the text may be destroyed, so it is recommended to set the value to 0 when used for text.
After completing the setting of the option, we return to the processing choice. First, we choose the surface to be processed. After the surface is given, it asks to select the element that retains the boundary. If it is for intaglio, we will Given the text, if we do the embossing, we will give the text and the outer boundary space (that is, the position to be cut), and then ask for other parameters to complete the concave and convex embossing on the surface.
Figure 7
Figure IX
to sum up:
When used in practice, we may also need to adjust the radius compensation or offset according to the actual situation to get the complete text. Of course, when using, we can also use roughing, contour milling or other methods to achieve text processing. EdgeCAM provides us with a variety of processing commands, and we can intersperse each other according to actual needs. In use, the use of that processing command is not fixed, as long as it can meet the needs of our work, any method is feasible.
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