The Layout Part in the Cimatron parting assembly is used to provide centerpoints for locating each molded part. It simplifies mold design because moving a layout point will shift the entire part and runoff associated with it. Several default Layout Parts are supplied with Cimatron, and creating new ones is very easy.
A Layout Part can only contain these two features:
- A dimensioned sketch of the layout points (the dimensions can be linked to the setup table for ease of access)
- A layout UCS on each point (note that a regular UCS will not work)
Adjustment of part position in X or Y is done by changing the sketch point dimensions. Adjustment in Z or part rotation is accomplished by editing the layout UCS (each layout UCS can be adjusted separately when selected).
Categories: Design, Mold
Tag: Cimatron 13
When exporting an electrode to NC, the overburn offset values for the electrode are automatically imported. You can find these values preset in any procedure that has the Electrode Machining parameter set to Automatic. These values are also loaded into the NC variables spgap and porbt, which means that they can be referenced in other formulas (e.g., step-overs, cutter size). This can be especially useful for electrode machining templates, ensuring a consistent result regardless of the overburn design of the electrode.
Categories: electrode, NC
The Body Integrity function in the Analysis menu is highly useful at the very beginning of a project – to scan the part and highlight potential problem areas. While the function is not new, it received a significant makeover in version 14. Now all five of the integrity checks run simultaneously, and a concise chart presents the results. Different colors are used to highlight open, tolerant, and non-manifold edges on the part. Areas of self-intersecting solid or narrow knife regions are also called out.
Direct Modeling is a very powerful new function in version 13 that can be used to modify and manipulate part features without editing its parametric features. Some of the edits you can make using the Direct Modeling function include:
1. Changing draft angles without removing adjacent rounds
2. Offsetting faces while extending the neighboring geometry
3. Linear or radial moving of faces while extending the neighboring geometry.
4.Replacing source faces with newly created target faces
You can easily change the cutter used by an NC procedure by simply double-clicking on the tool name in the NC Process Manager window. This opens up the Cutter dialog, where you can choose any tool from your library. When the NC general preference for “allow replacing tool without suspending motions” is enabled, you may not be required to recalculate the toolpath – but beware this will keep the new tool following the original tool motions.
The Assembly mirror function provides two special options that can only be applied when an electrode is mirrored. When selecting Copy Electrode Geometry, the entire mirrored electrode is only an import of the normal electrode. Recreate Electrode Features is a better option if slight editing of the electrode is required. With this option, the mirrored electrode will have its own features of blank, UCS and holder that are not based on the mirror plane.
Burn Body is a significant new function for electrode designers, providing a way to bridge working with surfaces and solids. Until now, users had to choose between extracting individual surfaces or using a Cut feature on a solid to start an electrode. In version 13, every electrode can be started with the usual extract of the faces to be burned. For those who prefer working with a solid, the Burn Body would then automatically surround and trim the burn surfaces into a closed solid object. The function also has several extension options that can be adjusted to provide for some degree of cavity clearance.