Plastics_TLB_8.31.20

The Importance of Parting Line Maintenance in Rotational Molding

A free white paper by Entec Polymers

A rotational mold’s parting line is critical to the overall quality of the end part. Over time parting lines can become a major issue that can increase scrap and cause poor part quality if not properly maintained. We believe that it is very important to place molds on a preventative maintenance program that focuses on parting line fit, parting line clamp / bolt tension as well as repairing any necessary damages that could have occurred while in production. This ensures that the next time it goes into production you are starting with a mold that can produce a first quality part. From there it’s up to the operators to treat the molds with good care to reduce scrap / second quality parts and downstream re-work.

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