The SigmaNEST tools library contains four types of standard punch tools: round, square, rectangle, and obround. These are called standard tools because their shape can be completely defined by one or two parameters.
Because of this, you don’t need to refer to a geometry file like you would for special and cluster punch tools. The following table shows the required parameters for each standard tool:
- Round tools use Diameter
- Square tools use Length
- Rectangle tools use Length and Width (Length cannot be shorter than Width)
- Obround tools use Length and Diameter
To start creating standard tools:
- On the Workspace tab, open the Tool Manager.
- Select a machine from the list.
- Go to the tab of the tool type you would like to add.
Click New, then add any required parameters. This includes the name, tool dimensions, usage, compatibility, and holder size.
- (Optional) If you have a list of tools that are of the same type, use the Add Multiple Tools button at the bottom of the window.
- Click OK to finish adding the tool.
The usage of a tool defines how a tool may be applied to parts. The most common tool usages are “Single”, “Single, Nibble”, “Single, Nibble, Parting,” and "Parting."
- Single usage only allows the tool to be applied as a single hit
- Single, Nibble usage allows a tool to be used for a single hit or a nibble sequence
- Single, Nibble, Parting usage allows single hits, nibble sequences, and parting hits
- Parting hits are tool hits which separate the part or scrap from the sheet
Other usages can be applied for more complex and special applications, such as cropping, forming, marking, rolling tools, and more.
Within this tab you can set the tool to be available or unavailable for use. The Check Tonnage option will enforce a tonnage check during tooling to prevent damage to the tool or machine. You can also set options for tool specific tolerances, Avoid Type, Stripper Type, and Face Type as well as other tool data.
SigmaNEST also allows for full die control and tracking for tools. To add a die to a tool, you must edit a created tool from the tool list and choose the Dies tab. This option is not available when adding a new tool.
Dies may be set up with as many materials and thicknesses as are required for that tool. To create a die, choose the material the die should be compatible with from the dropdown at the top of the window.
Then use the green plus sign button at the bottom of the window to add a new die entry. The Die Clearance, Minimum and Maximum Thickness, and Die Name fields are required. The Length, Width, Max % Clearance, and Min % Clearance fields are calculated from the values entered in the other fields.
Using compatible materials and the thickness range values, you can limit tools to only be applied to certain materials and thicknesses, if dies are needed.