Problema e solução

Respostas práticas para os desafios comuns dos materiais plásticos

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Q

Mold cavity scoring

A

This problem is a typical manifestation of mold cavity scoring in compression molding; the core of the solution lies in proper preheating of the material and assurance of flowability, as well as precise matching of mold temperature and molding pressure. It is recommended to adjust coordinately fr...

Molds & Tooling draft anglemold polishingholding pressurecooling timerelease agent

Q

Large internal stress in product

A

This problem is a typical manifestation of large internal stress in product in compression molding; the core of the solution lies in proper preheating of the material and assurance of flowability, as well as precise matching of mold temperature and molding pressure. It is recommended to adjust co...

Molds & Tooling shrinkage ratewall thickness designcooling water channelsholding pressuredimensional accuracy

Q

Sticky product surface

A

This problem is a typical manifestation of sticky product surface in compression molding; the core of the solution lies in proper preheating of the material and assurance of flowability, as well as precise matching of mold temperature and molding pressure. It is recommended to adjust coordinately...

Material Drying draft anglemold polishingholding pressurecooling timerelease agent

Q

Product edge burrs

A

This problem is a typical manifestation of product edge burrs in compression molding; the core of the solution lies in proper preheating of the material and assurance of flowability, as well as precise matching of mold temperature and molding pressure. It is recommended to adjust coordinately fro...

Molds & Tooling flashclamping forceparting line gapcavity internal pressureburr

Q

Resin accumulation

A

This problem is a typical manifestation of resin accumulation in compression molding; the core of the solution lies in proper preheating of the material and assurance of flowability, as well as precise matching of mold temperature and molding pressure. It is recommended to adjust coordinately fro...

Molds & Tooling fiber orientationglass fiber floatinggate sizemelt temperatureglass fiber content

Q

Fiber exposure

A

This problem is a typical manifestation of fiber exposure in compression molding; the core of the solution lies in proper preheating of the material and assurance of flowability, as well as precise matching of mold temperature and molding pressure. It is recommended to adjust coordinately from bo...

Molds & Tooling fiber orientationglass fiber floatinggate sizemelt temperatureglass fiber content

Q

Uneven product density

A

This problem is a typical manifestation of uneven product density in compression molding; the core of the solution lies in proper preheating of the material and assurance of flowability, as well as precise matching of mold temperature and molding pressure. It is recommended to adjust coordinately...

Processing Machinery curing degreecatalyst dosagemold temperaturecuring timepost-curing

Q

Product surface reddening/discoloration

A

This problem is a typical manifestation of product surface reddening/discoloration in compression molding; the core of the solution lies in proper preheating of the material and assurance of flowability, as well as precise matching of mold temperature and molding pressure. It is recommended to ad...

Molds & Tooling curing degreecatalyst dosagemold temperaturecuring timepost-curing

Q

Cold material entering the mold too early

A

This problem is a typical manifestation of cold material entering the mold too early in compression molding; the core of the solution lies in proper preheating of the material and assurance of flowability, as well as precise matching of mold temperature and molding pressure. It is recommended to ...

Molds & Tooling cold slug marknozzle temperaturecold slug wellmold temperaturepoor gloss

Q

Inaccurate feeding amount

A

This problem is a typical manifestation of inaccurate feeding amount in compression molding; the core of the solution lies in proper preheating of the material and assurance of flowability, as well as precise matching of mold temperature and molding pressure. It is recommended to adjust coordinat...

Processing Machinery feeding amountmaterial flowabilityweighing accuracyhopper bridgingmaterial distribution

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