The Autonest Options dialogue enables the accuracy and method of Autonesting to be decided. The settings here will indirectly determine the amount of sheet wastage as the accuracy and speed of the nesting exist in a trade-off relationship.
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The slider bar weights the nesting procedure between accuracy on the left and speed on the right. The positioning of this bar is therefore a guide to the efficiency of the whole procedure. An Accurate setting will give a tight nest with the absolute minimum wastage considering processor speed. The Faster setting will give a less efficient nest but will complete the nesting procedure quicker. The Optimal setting is a balanced trade-of between the two extremes. If the nesting at this setting is not deemed accurate enough, the slider can be positioned to the left. Alternatively, if the procedure is not considered fast enough, the slider can be moved to the right.
Options
Use Existing Sheets In Job
This option will use any empty "Untitled" sheets that already exist in the job, as long as the material and gauge correspond to the items being nested.
Try Alternative Solutions if Target not Reached
This option gives the auto nest function the opportunity to try several nesting combinations in order to achieve the best possible nest.
Optimisations
Rotate Parts to Minimum Rectangles
Rotating parts to minimum rectangles allows for some shapes to be squared off to the edge of the sheet. This is obviously an advantage on a rectangular sheet.
Pre-Nest Parts with Each Other
Pre-Nesting will attempt to create a rectangle from the parts on the sheet and then nest these rectangles as entities themselves.
Pre-Nest One-off Part Qties
This will try to nest one off parts together, if this produces satisfactory results the pre-nest will be kept.
Pre-Nest Parts in Holes
Pre-Nesting in holes allows the procedure to place parts inside other parts and will keep the combination together if the nesting appears to provide sheet economy.
Allow Nest In Stitched Holes
This allows parts to nest inside the stitched holes of larger parts.
Allow edge nest parts equal to sheet width
This option allow parts that are equal to the sheet width to be cut, where normally the part would be oversized. The edge of the sheet will then become the edge of the nested part. This is particularly useful for cutting straight duct that is equal to the sheet width, when a de-coiler is not available.