Part Modeling > Engineering Features > Chamfer > Transitions > About Chamfer Transitions
  
About Chamfer Transitions
Transitions allow you to specify how to handle overlapping or discontinuous chamfer pieces. Default transitions are used after you create chamfer geometry. These default transitions are selected according to the particular geometrical context. For many cases, you will simply use the default transitions. However, at some point, you will need to modify the existing transitions to achieve the preferred chamfer geometry.
You modify existing transitions in the following ways:
Define a Transition—Change the transition type.
Delete Transitions and Make a New Transition—Delete one or more transitions to free references and replace them by making a new transition for the affected geometry.
Chamfer Transitions
An understanding of chamfer transitions will enable you to achieve the preferred chamfer geometry for your model. The following table describes the available chamfer transitions:
Chamfer Transitions
Stop Case
Terminates the chamfer using one of three different Stop Cases. Each Stop Case geometry is configured based on the geometrical context.
Stop Case 1
1. Stop Case transition
2. Chamfer piece
3. Stop transition
Stop Case 2
1. Stop Case transition
Stop Case 3
1. Stop Case transition
Stop at Reference
Terminates chamfer geometry at the datum point or datum plane that you specify.
1. Chamfer piece
2. Stop at Reference transition
3. Datum point
4. Stop transition
5. Existing round geometry
Blend
Creates a fillet surface between the chamfer pieces using an edge reference.
 
* All tangent chamfer geometry stops at sharp edges.
Blend on a corner
1. Chamfer piece
2. Fillet surface
3. Stop transition
Blend between two collinear chamfer pieces
1. Chamfer piece
2. Fillet surface (Blend transition)
3. Stop transition
Continue
Extends the chamfer geometry into two chamfer pieces. Note that tangent chamfer geometry does not stop at sharp edges (compare with Blend).
The resulting geometry looks as if the chamfer was placed first, and then geometry was cut away. Neighboring surfaces are extended to meet chamfer geometry where applicable.
Continue between two collinear chamfer pieces
1. Chamfer piece
2. Extension of chamfer geometry (Continue transition)
3. Stop transition
4. Extension of neighboring surface to meet chamfer geometry
Corner Plane
Chamfers the corner transition formed by three overlapping chamfer pieces with a plane.
 
* Corner Plane transitions apply only to geometry where three chamfer pieces overlap at a corner.
1. Chamfer piece end (chamfer pieces are under the transition preview geometry)
2. Corner Plane transition
3. Stop transition
Intersect
Extends two or more overlapping chamfer pieces towards each other until they merge forming a sharp boundary.
 
* Intersect transitions only apply to two or more overlapping chamfer pieces.
Intersect of two chamfer pieces
1. Chamfer piece
2. Intersect transition
3. Stop transition
Intersect of four chamfer pieces
1. Chamfer piece
2. Intersect transition
3. Stop transition
Patch
Creates a patched surface at the location where three or four chamfer pieces overlap.
You can add an additional side to a three-sided Patch transition by selecting an optional surface on which to create a fillet that contains a radius.
This fillet becomes the fourth side of the resulting patch and is tangent.
 
* Patch transitions apply only to geometry where three or four chamfer pieces overlap at a corner.
Patch for three chamfer pieces
1. Chamfer piece
2. Patch transition
3. Stop transition
Same Patch as above with an optional surface
1. Chamfer piece
2. Patch transition (with radius value)
3. Optional surface selected
4. Stop transition
Patch for four chamfer pieces
1. Chamfer piece
2. Patch transition
3. Stop transition