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Curve Rounding |
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An angle between two curves can be rounded. Depending on the relative position of the curves, the fillet is made with a circular arc of a certain radius or with a spline lying on a cylindrical surface of a certain radius. The fillet curve is connected with rounded curves by tangent lines.
You can apply rounding to:
•3D curves,
•edges of solids and surfaces,
•sketch lines.
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It is not possible to fillet parallel segments or coaxial arcs. |
To fillet a corner between two curves, use the Curve Rounding 
command.
Step-by-step instructions
1.In the graphic area, select the curves to plot the fillet. The names of the selected objects will appear in the Curve 1 and Curve 2 fields in the main section of the Parameter Panel.
A phantom of the fillet is displayed in the graphic area (an arc of a circle or a cylinder with a spline on it), connected to the source curves in the specified points. The fillet radius is determined automatically and is displayed in the Radius field.
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If the fillet phantom is not displayed after the curves are specified in the graphic area, it means that the selected curves cannot be rounded near the selected points. Drag the set points with the mouse or modify the fillet radius. |
2.If needed, you can change the fillet radius in the Radius field on the Parameter Panel.
3.Enable the Trim setting if you need to create a copy of the rounded curve(s).
In this case, a copy of the source curve is created, and it is trimmed in the point of connection to the filled, while the source curve is automatically hidden (unless the source curve is an edge).
If the Trim setting is disabled, only the fillet curve is created.
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If the trimming solution suggested by the software is different from your expectations, please disable the trimming, and use the Curve Trimming command to delete a part of the curve. |
4.Set the fillet direction — outwardor inward. To do this, click the corresponding button in the Arc (
or 
) group.
5.If the rounded curves are edges of the same face, you can place their fillet on the same face. To do that, enable the Along surface option.
6.You cat set the name, color, and display parameters of fillets. To do that, use the Properties section.
7.To complete the operation, click Create Object 
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The fillet curve will be displayed in the graphic area; its icon will be displayed in the Design Tree .
•If the curves were rounded with trimming, then the "Fillet" object in the Design Tree will have several subordinate objects: a fillet curve and one or two trimmed copies of the source curves.
•If the curves were rounded without trimming, then the "Fillet" object will only have one subordinate object: the fillet curve.
8.To complete operation of the command, click Finish 
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Tips
•You can set the fillet radius in the graphic area using the defining points (see Section Defining Points of Objects).
•To set the linear parameters, you can use the commands of the geometrical calculator.
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The curve rounding command is grouped with the curve joining command. While executing a group command, you can switch to execution of another one using buttons of the Parameter Toolbar header. If you’ve selected curves in the current command, they will stay selected when you switch to another command. |
