KOMPAS-3D v25

When constructing a fillet surface, the values of certain parameters may vary according to a law obtained by interpolating between the values at specified points on the curve. The defining line is used as such a curve. The input data for constructing the function is specified in a table. This method of specifying values is available for the radius, offset, and chord when determining the width of the fillet surface, as well as for the coefficient k when configuring the cross-sectional shape of the surface.

To specify a function for changing parameter values using the interpolation method, click the By values at points in a group Function Type. A toggle switch will appear on the Options Panel Create/Edit and a table of parameter values at points. It contains columns with the following data.

No. — the point’s serial number on the curve,

<Parameter Name> — the value of the current parameter (radius, coefficient, etc.) at the point,

% — point offset as a percentage from the starting point of the curve,

Length — the point's offset in units of length from the curve's starting point,

Transition — a transition type that defines the conditions for forming the interpolation function on the segment from the current point to the adjacent one. More about transition types...

Object — the name of the point object on the curve to which the specified point is attached (if any).

The table always contains rows for the start and end points of the curve. Points are numbered in ascending order of offset from the start point of the curve.

If the order of points on the curve changes as a result of adding, deleting, or moving points, the numbering in the table is automatically reorganized.

Below the table is a group of elements Value at point, which allows you to view and edit the properties of the point selected in the table.

When entering the initial data for plotting a function, there are two possible modes — Creation and Edit.

In Creation mode, you can add a point to the curve by selecting it in the graphic area. Once you select the point, a new row is added to the table. The parameter values at that point are calculated automatically.

In Edit mode (the default mode), you can perform the following actions.

•Add a point to the curve using the buttons above the table. Select the row in the table where you want to add the point, and click the button Insert point before current or Insert point after current . When you click the button, a new row will be added to the table, and a new point will appear on the curve. The newly created point will be located at the midpoint of the curve segment between the adjacent points.

•Change the position of a point on the curve using one of the following methods.

•Move the point to the desired position using the reference point.

•Set the offset value for the point relative to the starting point on the Parameter Panel; in the % or Length cell in the table, or using the Value at point controls by selecting the desired option in the Offset button group.

•In the graphics area, specify an anchor point—a point object on the curve to which the point will be linked. Such an object could be, for example, a vertex of the curve or a point object created on the curve. The name of the point object will appear in the Object cell and in the Snap point field in the Value at point group.

•Set the parameter value and transition type in the corresponding table cells or in the Value at Point element group.

•Delete a data point. Select the corresponding row in the table and click the Delete button above the table.

Set the necessary parameters. All changes will be displayed on the surface phantom in the graphic area.