Скачать или смотреть 68. Exercise 2 Adding Free Curves and Spirals to an Alignment

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In this exercise, you will add a free curve and a free spiral-curve-spiral to a simple alignment.

The drawing contains a simple alignment consisting of three tangents. In the next few steps, you will add free curves at circles B and C.

This exercise continues from Exercise 1: Creating an Alignment with the Alignment Layout Tools.

Add a free curve between two tangents

Open Align-2.dwg, which is located in the tutorials drawings folder.
Set your drawing window so that you can see circles B and C on the surface.
If the Alignment Layout Tools toolbar is not open, select the alignment. Right-click and click Edit Alignment Geometry.
In the Alignment Layout Tools toolbar, click the drop-down list . Select Free Curve Fillet (Between Two Entities, Radius).
As prompted on the command line, click the tangent that enters circle B from the left (the ‘first entity’).
Click the tangent that exits from circle B on the right (the ‘next entity’).
Press Enter to select the default value of a curve less than 180 degrees.
Enter a radius value of 200. The curve is drawn between the tangents as specified.
Add a free spiral-curve-spiral between two tangents

In the Alignment Layout Tools toolbar, click the arrow next to . Select Free Spiral-Curve-Spiral (Between Two Entities).
As prompted on the command line, click the tangent that enters circle C from the left (the ‘first entity’).
Click the tangent that exits circle C on the right (the ‘next entity’).
Press Enter to select the default value of a curve less than 180 degrees.
Enter a radius value of 200.
Enter a spiral in length of 50.
Enter a spiral out length of 50.
Note:
Notice that default values that are shown on the command line.

Exit the layout command by right-clicking in the drawing area.