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# Analyzing Mold Cavity Layout Orientation

You can adjust the orientation of the cavities in a multi-cavity
layout.
• Available orientations for
the following cavity layouts:
– Single
♦ Specify a different
coordinate system
– Rectangular
♦ Constant
♦ X-Symmetric
♦ Y-Symmetric
– Circular
♦ Constant

Figure 1 – Rectangular Layout,
X-Symmetric versus Y-Symmetric
Orientation

Figure 2 – Circular Layout, Constant
Analyzing Mold Cavity Layout Orientation
You can adjust the orientation of the cavities in a multi-cavity layout. Examples
of reasons why cavity adjustment may be necessary include the following:
• More optimum layout for sprue and runner placement is required.
• More uniform cooling of parts is needed.
• Manufacturing feasibility of the mold design layout.
Consider each of the mold cavity layouts and their respective options for
orientation.
Modifying Layout Orientation in a Single Cavity
Because there is only a single cavity, no further orientation adjustments are
available. The Orientation options become grayed out in the Layout dialog
box. Rather, you can adjust the cavity orientation in the layout by switching
coordinate systems or dynamically adjusting the REF_ORIGIN coordinate
system.
Modifying Layout Orientation in a Rectangular Cavity
The following Orientation options are available for the Rectangular cavity
layout:
• Constant – Cavities are arranged to all point in the same direction.• X-Symmetric – Cavities are mirrored about the mold model’s X-axis. That
is, the cavities are arranged so that they appear in the same orientation
when looking out from a plane that runs along the mold model’s X-axis.
X-Symmetric orientation is shown in the left image of Figure 1.
• Y-Symmetric – Cavities are mirrored about the mold model’s Y-axis. That
is, the cavities are arranged so that they appear in the same orientation
when looking out from a plane that runs along the mold model’s Y-axis.
Y-Symmetric orientation is shown in the right image of Figure 1.
Modifying Layout Orientation in a Circular Cavity
The following Orientation options are available for the Circular cavity layout:
• Constant – Cavities are arranged to all point in the same direction, as
shown in the left image of Figure 2.
• Radial – Cavities are fanned about the mold model’s origin. That is, the
cavities are arranged so that they appear in the same orientation when
looking out radially from the mold model origin. Radial orientation is shown
in the right image of Figure 2.