Fixture design details

Nesting the fixture plates

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Purpose


Once the fixture has been designed, it has to be manufactured. A common way is to cut out the plates from a metal sheet. And the trick is to use that sheet as effective as possible by placing, i.e. nesting the individual plates in such a way that it contains as many as possible with a minimum amount of waste material.

This page will shown the nesting functionality of the Fixture Builder workbench.


fb_details_nesting

Load the project Fixture_TrainingPart_1.cendoc from the folder of this tutorial library.



Steps


1

Nest the plates

1.1

FB_NestingDashboard

Before nesting the plates on a sheet, the different parameters have to be set.

Open the Nesting parameter dashboard. Specify the minimum spacing between the plates. Then set the size of the sheet that will be used for nesting the plates.

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1.2

FB_NestingCreate

Pick the main Create a nesting command in the left toolbar. The manipulator appears. Place it at a wanted, free location in the document. From the pie menu on the manipulator's center, run the Create a nesting command to compute the nesting. Have a look at the result.

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1.3

FB_FixtureBuild

The nesting will be updated automatically when modifying the fixture.

Add one or more plates to the fixture and watch the update and changes in the nesting result. When needed, a second sheet of the same size will be added to nest all plates.

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1.4

FB_NestingCreate

When relocating the nesting result in the document, it has to be updated also.

Switch back to the Create a nesting command in the left toolbar. Then move the manipulator to a new location. From the pie menu on the manipulator's center, run the Update nesting command to recompute the nesting.

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1.5

FB_NestingCreate

Open the Nesting parameter dashboard. Besides the three pre-defined sheet sizes to pick from, a user defined size can be set. Change the sheet dimensions and run the Update nesting command to recompute the nesting for this new sheet size.

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1.6

FB_NestingSave

Finally, the nesting result has to be saved.

The result can be stored as .cenwpc workpiece document and as such can be used in the offline programming workbench for cutting the plates. Or it can be exported as a DXF file and be loaded in another programming application. In that case, first have a look at the export parameters in the Nesting parameter dashboard.

Start the Save a nesting command.

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