8/05/2010

CATIA-Work in Multi-Model Environment with Surface

http://www.cadfamily.com/downinfo/298664.html
Design Intent Built the top part using bottom half of the camera without using Publication. Use the existing surfaces of reference part with out publishing. Replace the bottom (referenced part) by its variant part which has different shape. Updating the model with new variant will not be possible with out rerouting the child features. You will have to reroute the features. Note the observations. Close the assembly without saving. Publish the required surfaces of reference bottom half of the camera case. Build the top part again using the published surfaces. Replace the bottom (referenced part) by is variant part.• Ensure that the variant part has similar set of published elements and has the same nomenclature. Update the model. You will be able to update with out any rerouting.The intent of the case study is to build multi-model links between parts using Publication tool. This would help in managing design iterations during product development cycle and provides easy availability of geometric elements to different users.
Stages in the ProcessThe following steps are to be used to perform the case study:1. Build the Top part referring to the Inferior body with out using Publication2. Replace the Inferior body with its variant and update the assembly. You will have to re-route links.3. Publish the reference part (Inferior body).4. Rebuild the top part using published elements5. Now replace Inferior body with its variant (with published element) and update the assembly. Assembly gets updated without manual re-routing.
Why Publish Geometry?Publishing geometry has many benefits such as:A. Label geometry to give it a name that can be easily recognized (particularly in the case of publishing edges, faces, etc.). B. To make particular geometry easier to access from the specification treeC. Control external references. An option is available that lets you only select as external reference only the published elements.D. Ease replacement of one feature of the part with another. Published elements that have same name in the source part and the child part are automatically reconnected, as you would have to reconnect them all one by one if they are not published.

2 ways to use published geometry of a part ina multi model environment:- Geometry Selection during design process:During the design process if New Part, published elements of Styled Data?? are usedJust select them when you need them and they will appear in New Part in a new dedicated geometrical set called External References.- Copy/paste of published elements:You can also copy/paste the published elements with link to place the external references in ??New Part?? before you need them. The result is the same in the tree.

No comments: