Designing Core & Cavity for an Interior Trim Arm Rest

CORE AND CAVITY.	The Dark Blue is the Core and the Light Blue part is the Cavity. The Core and the Cavity is Enclosed Together Under a certain Pressure and then the molten Plastic is Injected into the Cavity in between the Core and Cavity Part.
CORE.	Core is the part that is on the Class-A side of the Design. The Images shows the Core Part and the section View of the Core of Switch Bezel.
CAVITY.	Cavityis the part that is on the Class-B side of the Design. The Images shows the Cavity Part and the section View of the Cavity of Switch Bezel.
PARTING LINE	Parting Line is the line that divides the core from cavity. It is Generally on the Cavity part as the Class-B Features are hidden fron the Consumers.

TOOLING AXIS:

• Tooling Axis is very important part while designing the CLASS-B.
• The determination of the direction of Tooling Axis depends on the phases of the surface.
• The Bisecting Method of creating the tooling axis is first we create two lines to clear the draft analysis on both components X & Y.
• When we get both the lines we simply need to bisect it.
• The line formed by Bisecting those lines will be our Tooling Axis.

DRAFT ANALYSIS:

• Draft Analysis of a part is to check the phases of the Part are in given Draft angles.
• The tool Future Draft Analysis is used in CATIA V5 to anlyse the draft angles with respect to the created Tooling axis .
• If the colour code is OK as the given range then it is good to go.
• The green surface quote that the CLASS-A of the product is clered for further surface creation.