Round : Variable Radius

Create a round (fillet) on a sharp corner.

This page shows an example interaction to produce Round Variable Radii is shown below. For a Round Constant Radius, see the example here.

Demo: Press the button below to view a short movie demonstrating the function:	Practice: Press the button below to open Cimatron with a practice ELT file similar to that used to create the movie (if the relevant feature already exists in the ELT file, you can either edit it or delete it and create a new feature).

While you are still in Constant Radius mode (the default), choose the radius you want as the Global Radius - even if you are applying variable radii, the Global Radius will still be used as the basic radius.

Now toggle Constant Radius to Variable Radius.

At the ends of each edge, a radius value dialog will appear, reflecting the Global Radius specified above.

To change the radius at any point, click the field and enter a new value. To delete a value, click on the x to close the field.
Example:Example:

If you want to specify radii at additional locations, you have two options: By Pick and By Intervals.

Set the Variable Radius parameters as required:

Variable Value

This is a toggle option Constant Value / Variable Value.

Constant Value

Define a round with a constant radius.
Example:Example:

Variable Value

Define a round with a variable radius.
Example:Example:

By Curvature

This is a toggle option Curvature / Chord Length.

Curvature	Specify a value using a radius.
Chord Length	Specify the value by entering the distance between the two surface tangency points (the distance between the surface tangency points which determines the line that is a chord of the Round).

Linear Transition

This is a toggle option Linear Transition / Spline Transition.

Linear Transition

Define a linear transition between the variable round radii (By Curvature option only).
Example:Example:

Spline Transition

Define a spline transition between the variable round radii.
Example:Example:

By Pick

This is a toggle option By Pick / By Intervals.

By Pick

Pick additional points at which to add a radius value.
Example:Example:

By default you can pick midpoints, but you can use Point Selection options to select other types of points, such as Intersect and Close.	The radius value dialog will appear at the selected point, with a default value equal to the Global Radius. Change the value to the desired radius.


For example:	The resulting rounded faces are shown here in cyan.

By Intervals

Divide one or more edges into a number of intervals, the ends of which can be assigned specific radius values. An additional parameter is displayed: Number of Points.
Example:Example:

Enter the desired number of points. (Note: if Number of Points = 4, you are dividing the edge into 3 intervals.) Now pick the edge or edges you want to divide.	A radius value dialog will appear at each interval, with a default value equal to the Global Radius. Change the values to the desired radii.


For example:	The resulting rounded faces are shown here in cyan.

Options

Click the Options field if you want to specify further information about the rounding, such as creation of solids or faces (By Curvature option only).

Remove All Figures

Click the Remove All Figures field to remove all the radius value dialogs at the ends of each edge.

Click OK or Apply in the Feature Guide to complete the function. The resulting rounded faces are shown in cyan.

Picking a Chain of Non-Smooth Edges

It is possible to pick a chain of non-smooth edges as in the example below:

Note: The non-smooth edges of the chain must be continuouscontinuous.

Some functionality may be dependent on the product package. Contact your Reseller if you require a license.