Definition
Flat frontal shadow of the mold face, where the sealing perimeter or parting line is formed. It is measured in in² or mm² and its main function is to help determine the optimal clamping force.
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Projected Area
Process
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Related terms
- Clamp Force / TonnageProcess
Pressure applied to keep the mold closed during the injection of plastic material. It must be adequate to avoid defects such as flash or deformations.
- Estimated Tonnage RequiredProcess
Tonnage estimated by the projected area experiment multiplied by the resin's tonnage factor.
- Parting LineDesign
Line that divides a mold into two or more sections to facilitate the design and manufacturing process of molded parts.
- Tonnage FactorProcess
Calculated and defined by the resin manufacturer, it is established in the Material Data Sheet. It is expressed in US-TON/in² and must be multiplied by the projected area of the mold.