Like the traditional Profile Rib, Trajectory Ribs are typically used to strengthen parts; however, with a Trajectory Rib, you sketch the rib centerline from a top view, instead of sketching the rib from a side view. You can select an existing sketch or sketch internal to the Trajectory Rib.
The system can add material above or below the sketch, but with a Trajectory Rib the thickness is always applied symmetric about the sketch. You can also choose to add draft or rounds as part of the Trajectory Rib feature.
The sketch used for a Trajectory Rib has special abilities:
- The rib will self-extend to find solid material. Therefore, you do not have to extend the sketch and align it to the part. If sketched beyond the model, the rib will automatically trim itself to the model boundaries.
- The rib sketch can intersect itself. This enables quick and easy sketching to achieve the desired rib.
- The rib sketch can pass through existing features, such as screw boss geometry. The systems simply ignores the existing solid geometry, and continues the rib in the next free space.
- The rib sketch can have multiple open loops, unlike sketches for most other solid features. This enables you to sketch multiple unconnected ribs in the same feature.
The Trajectory Rib has several options:
Once a Trajectory Rib is created, there are some additional options: