Creating Injection Points

You can create and position the injection points, required to define the position and characteristics of the gate, on 3D part. This helps to check whether the plastic material filling performs well on the design and to make changes in design according to the simulation result.

You are suggested to have a basic knowledge of injection point, mold gate, simulation apps, like Plastic Part Filling app, and the materials used.

Note: Depending on your role, you may not have access to this functionality.

  1. From the Manufacture section of the action bar, click Defines an injection point .
  2. Define the pulling direction to compute an injection point. To do so, define any of the following:
    • An axis system: Lets you use the axis to specify a pulling direction.
    • Draft properties: Lets you use the pulling direction specified in the draft properties.
    • Injection point: Lets you use the pulling direction defined for the selected injection point.
    • Z direction of the selected axis system: Lets you use the Z direction of the axis system of a 3D Part as a pulling direction. By default, this option is active when both, an axis system and the draft properties, are not defined.
    The respective icon, with a green mark at the upper right corner, appears in the Injection Point dialog box.
  3. Select a reference surface, curve, plane or point.
    The icon is replaced by the symbol of the reference element, with a green mark at the upper right corner.
  4. Click the edge, the surface or the vertex to locate an injection point.
    An injection point is located with the Robot attached to it. By default:
    • On a surface, the injection point position is defined by its direction, represented by a green arrow, and the pulling direction. The position of the injection point is the projection of a normal to the surface onto the plane perpendicular to the pulling direction. The injection point can be moved only on this surface.
    • On a curve, the injection point position is defined by its direction, represented by a green arrow and the pulling direction. The position of the injection point is the projection of a tangent to the curve onto the plane perpendicular to the pulling direction. The injection point can be moved only on this curve.
  5. Drag the Robot to move the injection point along the surface or the curve.
  6. Click the injection point and select any of the following on the context toolbar:

    • Normal to Pulling Direction : Lets you orient the injection point along the normal to the pulling direction.
    • Normal to Surface : Lets you orient the injection point along the normal to the surface.
    • Z Direction : Lets you orient the injection point in the Z-direction of the reference axis system.


  7. In the Injection Point dialog box, select the Simulation Part Body check box to create a new simulation part body, used by the simulation app(s).
    A Simulation PartBody node, containing an assembly of the body selected as a reference geometry for the injection points and the set of gates node is added to the tree.
  8. In the Diameter box, enter the diameter of the gate.
  9. Click OK.
    An injection point is created on the defined position.
    Notes:
    • You can apply an injection point only to a 3D part.
    • You can create only one injection point at a time.