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일반적인 플라스틱 재료 문제에 대한 실질적인 답변

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Q

Static electricity spots on product surface

A

This problem is a typical manifestation of static electricity spots on product surface in compression molding, and the core of the solution lies in the reasonable preheating of the material and the guarantee of flowability, as well as the precise matching of mold temperature and molding pressure....

Molds & Tooling draft angle mold polishing holding pressure cooling time release agent

Q

Mold guide pillar stuck

A

This problem is a typical manifestation of mold guide pillar stuck in compression molding, and the core of the solution lies in the reasonable preheating of the material and the guarantee of flowability, as well as the precise matching of mold temperature and molding pressure. It is recommended t...

Molds & Tooling mold guide pillar stuck mold

Q

Abnormal product magnetism

A

This problem is a typical manifestation of abnormal product magnetism in compression molding, and the core of the solution lies in the reasonable preheating of the material and the guarantee of flowability, as well as the precise matching of mold temperature and molding pressure. It is recommende...

Molds & Tooling mixing uniformity mixing head impingement mixing component viscosity metering accuracy

Q

Resin volatilization at flash point temperature

A

This problem is a typical manifestation of resin volatilization at flash point temperature in compression molding, and the core of the solution lies in the reasonable preheating of the material and the guarantee of flowability, as well as the precise matching of mold temperature and molding press...

Molds & Tooling vent groove gas back pressure overflow groove vacuum venting venting depth

Q

Local carbonization and blackening of the product

A

This problem is a typical manifestation of local carbonization and blackening of the product in compression molding, and the core of the solution lies in the reasonable preheating of the material and the guarantee of flowability, as well as the precise matching of mold temperature and molding pre...

Molds & Tooling local carbonization and blackening of the product temperature mold

Q

Mold cavity electroplating layer peeling off

A

This problem is a typical manifestation of mold cavity electroplating layer peeling off in compression molding, and the core of the solution lies in the reasonable preheating of the material and the guarantee of flowability, as well as the precise matching of mold temperature and molding pressure...

Molds & Tooling mold cavity electroplating layer peeling off mold

Q

Product performance decline after water absorption

A

This problem is a typical manifestation of product performance decline after water absorption in the RIM process, and the core of the solution lies in ensuring the precise ratio and sufficient mixing of the two components, while controlling the reaction temperature and curing conditions within th...

Molds & Tooling curing degree catalyst dosage mold temperature curing time post-curing

Q

Mold seal aging

A

This problem is a typical manifestation of mold seal aging in the RIM process, and the core of the solution lies in ensuring the precise ratio and sufficient mixing of the two components, while controlling the reaction temperature and curing conditions within the optimal window. It is recommended...

Molds & Tooling mold seal aging mold

Q

Defects at sudden wall thickness changes of the product

A

This problem is a typical manifestation of defects at sudden wall thickness changes of the product in the RIM process, and the core of the solution lies in ensuring the precise ratio and sufficient mixing of the two components, while controlling the reaction temperature and curing conditions with...

Molds & Tooling bubbles raw '2079851475616104451 back pressure control vacuum shrinkage cavity mold venting

Q

Mixing head liner wear

A

RIM mixing quality is the first element determining product consistency. The core control points are: the impingement mixing Reynolds number of the mixing head (ensuring turbulent mixing), the matching of the viscosities of the two components (reducing viscosity differences), the accuracy of the ...

Molds & Tooling mixing uniformity mixing head impingement mixing component viscosity metering accuracy

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