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Mold flow assist processing (Overmolding for two shot sequential & insert multi-shot)

Mold flow assist processing (Overmolding for two shot sequential & insert multi-shot)

Place of Origin : Guang Zhou city of china
Brand Name : Overmolding for complex cases
Certification : TS16949: 2002 & ISO9001:2000
Model Number : Overmolding
Quality-guaranteed : Japanese standard of QC management & Euramerican standards
MOQ : 1 piece
Price : 100 USD
Packaging Details : Wooden case package or follow requirement
Delivery Time : with in 20 work days
Payment Terms : T/T, L/C at sight
Supply Ability : 30 pieces per month
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Overmolding is an injection molding process where two materials are molded together. Types of overmolding include two shot sequential overmolding, multi-shot injection molding or insert overmolding.

Detaisl contact: Jacky Qiu: 8613533665622

Skype: df mold

Multi-shot injection molding injects multiple materials into the cavity during the same molding cycle. Insert overmolding uses a pre-molded insert placed into the mold before injecting the second material. Two shot sequential overmolding is where the molding machine injects the first material into a closed cavity, and then moves the mold or cores to create a second cavity, using the first component as an insert for the second shot using a different material.

Materials are usually chosen specifically to bond together, using the heat from the injection of the second material to form that bond. This avoids the use of adhesives or assembly of the completed part. It can result in a robust multi-material part with a high quality finish.

When designing an overmolded part, wall thicknesses of both the insert and the overmolded component should be as uniform as possible to ensure an even and robust bond. Avoid ribs and sharp corners to reduce flow problems.

Overmolded parts take longer to cool than single shot injection molded part, and cooling systems are less effective. The insert acts as an insulator and heat is less efficiently extracted from the part. However, optimising the cooling system can help reduce the cycle time.

Details contact: Jacky Qiu Skype: df mold



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