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AVEVA™ Plate and Bar Nesting

Rest Material

  • Last UpdatedJul 12, 2024
  • 3 minute read

Create rest material.

When activated, all potential rest material is found and highlighted in the currently active nest window. At the same time, a side pane is displayed with functions and tools allowing the definition of rest materials.

There are two settings in the side pane controlling which rest material that shall be considered as valid rest plates and which ones to be classified as scrap material.

Spacing

Spacing is defining the diameter of a circle that is checked against the rest material on the nesting. If this circle fits anywhere within the rest material, the rest material is considered as a candidate for rest plate definition.

Minimum restplate area

Defines the minimum area for when a rest material shall be considered as a rest plate.

When starting the definition all closed areas, including holes, are identified and presented in the list in the bottom of the side pane and in the nesting canvas. Rest materials can be selected by picking, either in the list or in the nesting canvas.

A selected rest material is highlighted in both places.

In case bridges are not used, the nesting will, in the start of this process, consist of one rest material for all material outside the nested parts and rest materials for the holes fulfilling the spacing and area settings. This initial rest material will contain holes (from the nested parts) and cannot directly be stored as a rest plate, it will need to be adjusted as specified below.

Presented rest materials can now be adjusted by additional cut lines. The cut line function is activated by the button Add cut lines in the side pane or by pressing arrow down in the canvas. When activated, you can define a polyline by picking cut line points in the nesting canvas

Cut lines are of two types depending on how they are created. If a cut line is connecting parts or a part and the raw plate edge, these are considered as ‘manual’ cut lines and are only presented in the sketch, not as cutting instructions on the final NC output. A cut line that is not connected to any part will get a burning start and be part of both the sketch and NC information.

As a final step, when all rest materials are with shapes as requested, the actual rest plates can be created. This is done by selecting a rest material and using the function Create rest plates. In case any of the rest materials still contain holes (from the nested parts) the function button will be dimmed and not possible to activate

When the rest plate is created a label is added to the rest material. Contents of the label is set-up in the Nesting Settings. In case the project is using project material, then the created rest plate is stored in the same folder as the original material that is used for the nesting and can be used as any other material assigned to the project. A project using material from catalogue will not store the rest material, it is only available as information in the sketch and needs to be manually taken care of.

In bar nesting, the rest material is created automatically by the function Create NC Data.

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