b) Variables affecting shrinkage
- The thickness of the product increases, the shrinkage increases.
- Thickness great influence to the shrinkage that can hardly be adjusted using the machine parameters More.
- Influence of pressure.
+ time longer maintain pressure, the maximum pressure in the cavity higher the lower shrinkage, higher production volume.
+ However, in most of the mold Pressure to change the length of the flow to the shrinkage in those locations will vary.
- Effect of temperature
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