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Parting Surface PropertyManager

Parting surfaces separate the mold cavity from the core. You create parting lines and shut off surfaces before creating parting surfaces.

Click Parting Surfaces in the Mold Tools toolbar to open the Parting Surface PropertyManager.

Mold Parameters

  Tangent to surface Sets the parting surface tangent to the surface of the parting line.
  Normal to surface Sets the parting surface normal to the surface of the parting line.
   
Reverse Alignment
(Available for Normal to surface when two faces adjacent to the parting edge are almost parallel.) Changes the face to which the parting surface is normal.
  Perpendicular to pull Sets the parting surface perpendicular to the direction of pull.

Parting Line

  Edges Lists the names of edges or parting line selected for parting surfaces. You can:
Edge or parting line
Select an edge or parting line in the graphics area to add or remove it from Edges.
Name
Select a name to identify the edge with a callout in the graphics area.
Clear selection
Right-click and select Clear Selections to clear all selections from Edges.
Manually
You can select edges manually. Select an edge in the graphics area, then use the selection tools to complete the loop.

Parting Surface

  Distance Set the width of the parting surface.
Reverse offset direction Changes the direction that the parting surface extends from the parting line.
Angle (For Tangent to surface or Normal to surface.) Sets the angle from perpendicular to the direction of pull.
  Smoothing Sets the transition between adjacent surfaces:
Sharp
Default.
Smooth
Sets the Distance between adjacent edges. A higher value creates a smoother transition between adjacent edges.
A callout in the graphics area identifies the minimum radius on the parting surface.

Options

  Knit all surfaces Knits all surfaces automatically. With most models, the surfaces are created correctly. However, if you need to repair a gap between adjacent surfaces, clear this option to prevent surfaces from knitting.
Use surface tools such as Lofted Surface or Ruled Surface on the Mold Tools toolbar to perform the repairs. Then use Knit Surface to manually knit the surfaces after the repairs.
  Optimize (For Tangent to surface only.) Optimizes the parting surface for machining by creating it with only planar faces tangent to the top face of the mold tool. When cleared, some curved faces might be generated. When selected, creation of curved faces is blocked.
Use tools such as Planar Surface and Knit Surface to extend the parting surface into that area.


  Show Preview Displays a preview of the surface in the graphics area. Clear to optimize system performance.

With most mold parts, you need to also create interlocking surfaces. Interlock surfaces help prevent the core and cavity blocks from shifting, and are located along the perimeter of the parting surfaces. Usually, they have a 5 degree taper. With simpler models, you can create interlock surfaces using the same tools you used to create the parting surface.


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