Problem & Solution

Practical answers to common plastic material challenges

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Q

TPE Product Ejection Deformation

A

Ejection of soft materials must disperse the force; sufficient cooling is the foundation.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for subsequent simila...

Molds & Tooling TPE;ejection;deformation;cooling;ejector pin;force

Q

TPE Burnt

A

Burning is a signal of overheating and trapped air; troubleshoot from the three aspects of temperature, residence time and venting.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Molds & Tooling TPE;burnt;material temperature;residence;venting;carbonization

Q

TPE Product Shrinkage and Warpage

A

TPE shrinkage and warpage require comprehensive measures; coordinated treatment of process, structure and mold can be effective.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Molds & Tooling TPE;shrinkage;warpage;holding pressure;cooling;gate

Q

TPE Mold Sticking

A

Mold sticking is the most common problem in TPE '2079851475616104452; systematic troubleshooting from both process and mold aspects is needed, single adjustment is often ineffective.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Molds & Tooling TPE;mold sticking;mold temperature;holding pressure;draft angle;release agent

Q

SMMA Thick-Wall Part Processing

A

SMMA thick-wall processing is a material advantage; cooling and stress are challenges; management keeps quality and efficiency.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Molds & Tooling SMMA;thick wall;high flow;cooling;gate;cycle

Q

SMMA Shrinkage Management

A

SMMA extremely low shrinkage is a dimensional accuracy advantage; but precision management is still necessary; actual measurement keeps accuracy.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Molds & Tooling SMMA;shrinkage;0.02%;precision;directionality;actual measurement

Q

SMMA Mold Temperature

A

SMMA mold temperature 15-50℃ is a wide range but needs selection; thick-wall parts are high-temperature scenarios; balance is the optimization goal.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Molds & Tooling SMMA;mold temperature;15℃;50℃;thick wall;uniform

Q

PVDF Heat Shrink Tube Irradiation Crosslinking Yellowing

A

Irradiation yellowing is dual-controlled by yellowing-resistant grade plus lower dose limit; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for subsequent simi...

Molds & Tooling heat shrink tubeirradiation crosslinkingyellowingdose

Q

PVDF Shrinkage Directional Differences and Dimensional Design

A

High shrinkage plus directional differences; PVDF mold compensation must use directional measured values; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; Include this case in the defect archive as a reference for troubleshooting si...

Molds & Tooling shrinkage differencesdimensional compensationloss of roundnessmold temperature

Q

PVDF Sheet Multi-Point Gate Design

A

Large sheets rely on multi-point gates to divide the flow length; weld line positions must be pre-controlled by simulation; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; Include this case in the defect archive as a reference for ...

Molds & Tooling sheetsmulti-point gatesflow lengthweld lines

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