Problema e solução

Respostas práticas para os desafios comuns dos materiais plásticos

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Q

EVA product weather resistance verification

A

Weather resistance verification should be moved forward to the material selection stage; test data is the basis for decision-making.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a refe...

Processing Machinery EVA; weather resistance; aging; verification; selection; testing

Q

EVA adhesive film cutting precision

A

Cutting precision affects the edge quality of the module; automation is the direction of improvement.; 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 simil...

Processing Machinery EVA; adhesive film; cutting; precision; automation; layout

Q

EVA foaming workshop safety

A

Occupational health in the foaming workshop requires systematic protection; ventilation is the first line of defense.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Processing Machinery EVA; foaming; odor; ventilation; safety; occupational health

Q

EVA hot melt adhesive stringing

A

Stringing is a matching problem between construction parameters and adhesive type; temperature and operation are adjusted in coordination.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Processing Machinery EVA; hot melt adhesive; stringing; adhesive temperature; construction; nozzle

Q

EVA foaming hardness adjustment

A

Hardness adjustment is a multi-factor optimization problem; systematic experiments are more efficient than single-item trial and error.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Processing Machinery EVA; foaming; hardness; ratio; crosslinking degree; DOE

Q

EVA foaming density testing

A

Testing standardization is the foundation of quality cooperation; method unification is more important than the numerical value.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Processing Machinery EVA; foaming; density; testing; standard; sampling

Q

EVA adhesive film yellowing

A

Film yellowing affects module appearance and light transmittance; the material's anti-aging system is fundamental.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Processing Machinery EVA; adhesive film; yellowing; aging; ultraviolet; anti-PID

Q

EVA foaming edge scrap recycling

A

The recycling of crosslinked foamed material is an industry challenge; ratio control and application grading are realistic practices.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Processing Machinery EVA; foaming; recycling; edge scrap; crosslinking; ratio

Q

EVA shoe sole foaming formula optimization

A

The foaming formula is a system engineering; the DOE method can efficiently find the optimal combination.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Processing Machinery EVA; shoe sole; formula; DOE; optimization; experiment

Q

Insufficient heat resistance of EVA hot melt adhesive

A

The heat resistance of hot melt adhesive has a material upper limit; high-temperature applications require upgrading the adhesive type.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a r...

Processing Machinery EVA; hot melt adhesive; heat resistance; debonding; softening point; selection

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