Question: How long does it take to perform the over-molding? What are the typical curing durations inside the mold?
Answer: Curing time of over-molding process depends on two major factors:
- Although an increase in temperature will reduce the cycle time, it can deflect the secondary over-molded piece such as plastics. Temperature should be adjusted according to both materials’ processing specifications.
- Larger part dimensions require longer cycle time. An increase in wall thickness of the part geometry will consume more curing time.
The majority of molding time in each cycle is spent during a curing process. Once the part is cured, it can be immediately ejected. Similarly to silicone curing time, thermoplastics cooling time is also the longest phase in the molding cycle.
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