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Cambam regions, Pocketing and profile tips. |
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| Click on the images to see a larger image | |
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I first made sure everything was a proper polyline. Then all the polylines were joined. Next I created a region. The region shows up as the pink lines
in the screen shot above. The regions outer boundary starts at the left wall, then, top and right walls, then it continues along the bottom and goes up and over the bushes on the
lower right, next around the door frame, and then over the top of the other bushes on the lower left. The inner part of the region is the windows , which are islands in the center of the region. I am creating the region because I want to mill out the region but I do not want to mill out the door, windows and bushes. |
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| Click on the images to see a larger image | |
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| The pocketing mop using a .25" flat milling bit. | The profiling mop using a .125" flat milling bit. |
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I first selected the region I created above and then created two mop's. The tool path and tool widths for each mop show up as the green lines and the
wide pink lines . The .25" pocketing bit is way faster at removing material and makes a wider, flatter machine cut. The .125" profiling bit is better at getting into small areas
and cleaning out tight corners that the wider bit cannot get into. Not: Each mop can be seen separately by changing the ToolPathVisibility option from All to SelectedOnly. This option is available in the main Machining area above the two mop's. See the screen shot down below. The screen shots above are SelectedOnly so I can see each mop by itself. |
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| The pocketing mop is using a .25" flat milling bit that will cut down to a depth of -.125" in two passes. Each milling pass will cut down -.0625". Note that when you look at the tool paths for the .25" wide bit, it does not get into all the small nooks and crannies of the bushes. It also leaves uncut areas around the windows. | |
| The profiling mop is using a .125" flat milling bit that will cut down to a depth of -.125" in two passes. Each milling pass will cut down -.0625". The profiling mop is used to profile the edges of lines, create a nice clean finish cut and fix all the areas that the pocketing mop missed. | |
| Click on the images to see a larger image | |
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| Tip: You can select how the mop's are displayed under the Machining properties. If you set ToolPathVisibility to SelectedOnly, you can see each mop's tool paths by itself. If you select All, you will see all tools paths at the same time. | |
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In the screen shot above, I have the ToolPathVisibility set to All so I can see the combination of my pocketing and profiling
mop's. Notice that now, the combination of both mop's has cut every little nook and cranny on the front of the house. Checking your tools paths in Cambam is a great way to spot unexpected
problems. I also view the drawing on the XZ plane in Cambam to make sure the cut depths all look ok. Just last week I was in a hurry, skipped this step and paid the price. I meant to enter -.0625 as my final cut depth, but I accidentially entered -.625. The router was going along fine and then Bam!, it plunged down through the .375" thick material and into my table top. Lesson learned again. |
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