Problem & Solution

Practical answers to common plastic material challenges

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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

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

Improper mold closing speed

A

This problem is a typical manifestation of improper mold closing speed 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 coordin...

Molds & Tooling improper mold closing speedtemperature

Q

Vent groove blockage

A

This problem is a typical manifestation of vent groove blockage 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 f...

Molds & Tooling curing degreecatalyst dosagemold temperaturecuring timepost-curing

Q

Uneven mold temperature

A

This problem is a typical manifestation of uneven mold temperature 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 coordinatel...

Molds & Tooling uneven mold temperaturetemperaturemold

Q

Mold wear

A

This problem is a typical manifestation of mold wear 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 both as...

Molds & Tooling dimensional accuracyholding pressuremold temperatureshrinkage ratecheck ring

Q

Poor sheet material (SMC/BMC) flowability

A

This problem is a typical manifestation of poor sheet material (SMC/BMC) flowability 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 sheet material (SMCtemperaturepressuremold

Q

Uneven thickness

A

This problem is a typical manifestation of uneven thickness 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 ...

Molds & Tooling feeding amountmaterial flowabilityweighing accuracyhopper bridgingmaterial distribution

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