2D Part Design Lesson 2 - BobCAD-CAM

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• In the Origin box, choose Enter and leave all fields set to 0.0000 since we will be rotating around the origin. • Next we need to select the 0.25” radius arc entities we wish to copy. Select the arcs shown below and right click in the workspace and select OK • Finally press OK in the Data Manager to complete the rotate command. The result should look as follows: ◦ The final step to completing the outside profile is to simply remove the extra geometry left from the 5” diameter circle by breaking all of the entities at their intersections. ▪ Click the Utilities Menu and click Break, then select Many function. ▪ ▪ We do not want to break any of the holes from our hole pattern, so we can simply blank this layer by clicking the small black square next to the HOLES layer in the Layer-UCS-Post Manager. Now that the HOLES layers is blanked, click and drag a window around
▪ everything in the workspace to select all of the entities. After making sure all of the visible entities are highlighted, right click in the workspace and click OK. Finally, highlight the extra entities shown below in the workspace and press the Delete key on the keyboard to remove the extra entities. ▪ That completes the outside profile for the part. Next we will need to draw the 5 pockets inside of the part. The HOLES layer can also be made visible again by clicking the square located to the left of the layer name in the Layer-UCS-Post Manager. Drawing the Interior Pockets • Before beginning drawing the interior pockets of the part, start by creating a new layer, naming the layer POCKETS, and making this the active layer. The steps for creating a layer can be found in the prior section Drawing the Bolt Pattern • We have multiples of the same interior shape equally spaced around this part, so again we are simply going to draw one interior pocket and use the Rotate command to make the extra copies of this interior pocket. • To create the outer arc of the pocket select the Arc Menu and select Arc Coordinates.
Page 1 and 2: 2D Part Design Lesson 2 For this le
Page 3 and 4: • That completes the hole pattern
Page 5: ◦ Now that our two arcs have been
Page 9 and 10: • In our print, notice that the r
Page 11 and 12: ◦ Finally click OK in the Data Ma
Page 13: ◦ Complete the function by clicki

2D Part Design Lesson 2 - BobCAD-CAM

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