Part Modeling > Part Modeling > Base Features > Swept Blends > To Create a Swept Blend (basic)
To Create a Swept Blend (basic)
To create a swept blend, you must first define the trajectory. Sketch the trajectory, or select existing curves and edges. Extend or trim the first and last trajectory entities.
1. Click Model > Swept Blend. The Swept Blend tab opens.
2. Click the References tab, and select a trajectory. The first trajectory you select is the origin trajectory. If required, click Details to open the Chain dialog box to set trajectory references.
3. In the Section plane control list, select an option:
Normal To Trajectory—The section plane remains normal (perpendicular) to the specified trajectory (checked in the N column) throughout its length.
Normal To Projection, and select a Direction reference—The z-axis is tangent to the origin trajectory projection at the direction specified.
Constant Normal Direction, and select a Direction reference—The z-axis is parallel to a specified direction vector.
4. To determine how the frame rotation around the sketch plane's normal is oriented along the swept blend, in the Horizontal/Vertical control list, select an option.
5. Click the Sections tab and select the type of cross section:
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In some cases, the sketch snaps to the model geometry automatically, which could change the resulting geometry. To prevent the sketch from snapping to the model geometry, perform one of these actions:
To disable snapping as the default, click File > Options > Sketcher. Under Sketcher references, clear the Allow snapping to model geometry check box.
To disable snapping for the current action, while the Sketch tab is open, hold down the SHIFT key while you sketch.
Select Section, and select a section. Click Insert and select an additional section. You must define at least two cross sections.
Sketch Section, select a location point, and click Sketch. Sketch the section. Click Insert to select an addition point at which to specify a section.
6. Click the Tangency tab to define tangency between the ends of the swept blend and neighboring model geometry.
7. Click the Options tab to set swept blend area and perimeter control options.
8. To maintain the tangency of the surfaces that are created when the sections are blended, select the Adjust to keep tangency check box.
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If maintaining tangency causes the blend not to follow the trajectory, clear the Adjust to keep tangency check box. Then the swept blend will follow the trajectory, but tangency might not be maintained.
9. On the Swept Blend tab, click to create a solid feature, or to create a surface feature.
10. To remove material and create a cut, click . If required, click to flip the cut and remove material from the opposite side of the sketch.
11. To add a thickness to the sketch, click , and then type a thickness value in the box that appears. Click to toggle the thicken direction to one side, the other side, or both sides of the sketch.
12. For a solid feature, click the Body Options tab, and then select the body to which to add geometry, or from which to remove geometry:
Add geometry
To add geometry to an existing body, click the body collector, and then select the body to which geometry is added.
To create the feature in a new body, select the Create new body check box. The name of the new body appears in the body collector.
Remove geometry
To cut geometry from all the bodies that the feature passes through, select All.
To cut geometry from selected bodies:
1. Select Selected.
2. Click the body collector, and then select bodies from which to cut geometry.
13. When all cross sections have been sketched or selected, click OK.