The
Cavity volume (overmolding): XY plot shows the change in volume (in cm3) between the moving and fixed halves of the mold, during the overmolding stage of the analysis.
This result includes the increased volume that results from the mold halves being slightly open at the start of the injection-compression process, but not the volume of material injected into the mold.
The
Cavity volume (overmolding): XY plot result is generated from a
Thermoplastics injection-compression overmolding analysis, when you select injection-compression for the overmolding step.
Using this result
The
Cavity volume (overmolding): XY plot result is used to see how the moving half of the mold affects the overall volume of the mold cavity.
- Compare the
Cavity volume (overmolding): XY plot result with the compression settings in the process settings. The press waiting time, compression speed(s) and press compression times should correspond to the graphical result.
- Compare the final cavity volume in the
Cavity volume (overmolding): XY plot result, to the volume of the model mesh in the analysis log. The volumes should correspond. If the volume reported in the
Cavity volume (overmolding): XY plot result is larger than the model volume this may indicate that the melt cooled below its transition temperature before the mold closed to the intended cavity volume.
- Look at the factors that impact melt viscosity, such as melt temperature, and look at factors that impact the ability of the press to compress the melt, such as press waiting time and compression force.