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Filling & Packing Analysis
Filling Analysis
Filling simulation predicts how molten plastic flows through the mold cavity, identifying potential issues before they become production problems.
Filling pattern
How plastic flows through the cavity
Gate position and number optimization
Filling time
Total time to fill the cavity
Injection speed profile definition
Injection pressure
Pressure required to fill the part
Machine selection and process feasibility
Flow velocity
Speed of the melt front
Surface quality and burn mark prevention
Melt temperature
Temperature distribution during filling
Material degradation risk assessment
Weld lines
Where flow fronts meet
Structural and visual quality assessment
Air traps
Entrapped gas locations
Venting design and positioning
Hesitation
Flow stagnation in thin sections
Wall thickness and gate modifications
Flow imbalance
Uneven filling across cavities
Runner balancing for multi-cavity molds
Gate location
Optimal injection point position
Part quality and process window
Multiple gates
Multi-gate configurations
Filling balance and weld line control
Runner balance
Feed system equilibrium
Consistent part quality across cavities
Packing Analysis
Packing simulation evaluates how pressure is transmitted after filling to compensate volumetric shrinkage and achieve dimensional stability.
Packing pressure
Pressure applied after filling
Shrinkage compensation and dimensional control
Packing time
Duration of the packing phase
Cycle time optimization
Gate freeze
When the gate solidifies
Effective packing duration
Volumetric shrinkage
Material contraction during cooling
Dimensional accuracy prediction
Density distribution
Material density variation
Part weight and uniformity
Sink marks
Surface depressions from shrinkage
Packing profile and part geometry adjustment
Pressure transmission
How pressure reaches different zones
Gate sizing and position
Part weight stability
Consistency of part weight
Process repeatability
Dimensional stability
Dimensional consistency under pressure
Tolerance achievement