문제 및 해결책

Q

ABAK surface gloss

A

The matte characteristic of ABAK is an advantage for automotive interiors; uniformity depends on dispersion quality; inspection ensures consistency.; After confirming effectiveness, fix the parameters and practices into the work instructions to prevent recurrence

Molds & Tooling ABAK；surface gloss；matte；dispersion；mold temperature；interior trim

Q

ABAK dimensional stability improvement

A

ABAK dimensional stability is a significant improvement over pure PA; however, precise management of shrinkage and water absorption is still necessary; wet-state verification covers the service environment.; After confirming effectiveness, fix the parameters and practices into the work instructio...

Molds & Tooling ABAK；dimensional stability；shrinkage rate；water absorption；mold；wet state

Q

Thermal fatigue of mold materials for sintering high-temperature polymers (PEEK/PI)

A

This problem requires comprehensive analysis from multiple dimensions of material, process, equipment, and operation, and should be solved by systematically optimizing process parameters and the quality control system.

Molds & Tooling polymerization，high-temperature polymer，sintering mold material，thermal fatigue

Q

Thermal creep deformation appears when melt-processable polytetrafluoroethylene (PFA) replaces PTFE in sintering

A

The deformation problem originates from internal stress generated by uneven shrinkage or heating of various parts of the product; it needs to be systematically solved from three aspects: structural design, process parameters, and post-treatment.

Molds & Tooling sintering temperature，PTFE，deformation

Q

Saddle-shaped deformation of foamed beads (EPP/EPS)

A

The deformation problem originates from internal stress generated by uneven shrinkage or heating of various parts of the product; it needs to be systematically solved from three aspects: structural design, process parameters, and post-treatment.

Molds & Tooling EPS，EPP，deformation

Q

Scorched core but normal surface appears in PU flexible foam

A

Surface defects are the result of the combined action of mold condition, process parameters, and material formulation; it is necessary to systematically investigate each factor and optimize accordingly.

Molds & Tooling exotherm，flexible foam occurrence，scorched core but normal surface

Q

Sand hole chain appears in centrifugal casting

A

This problem requires comprehensive analysis from multiple dimensions of material, process, equipment, and operation, and should be solved by systematically optimizing process parameters and the quality control system.

Molds & Tooling centrifugal casting，bubbles，casting

Q

The casting material swells the release agent

A

The demolding problem needs to be solved comprehensively from three aspects: mold surface treatment, release agent selection, and curing degree control.

Molds & Tooling demolding，casting，The casting material swells the release agent

Q

Orange peel crystallization appears in alkaline polymerization of MC nylon

A

This problem requires comprehensive analysis from multiple dimensions of material, process, equipment, and operation, and should be solved by systematically optimizing process parameters and the quality control system.

Molds & Tooling cooling rate，mold temperature，MC nylon，polymerization

Q

Abnormal pressure in the inner cavity of double-wall products causes deformation

A

In summary, the causes of the 「Abnormal pressure in the inner cavity of double-wall products causes deformation」 problem can be attributed to the combined action of multiple factors such as vent hole blockage and gas in the inner cavity shrinking during cooling to generate negative pressure. Solv...

Molds & Tooling Abnormal pressure in the inner cavity of double-wall products causes deformation、rotational molding、pressure adjustment、cooling process、venting design

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