문제 및 해결책

Q

Galvanic corrosion appears in carbon fiber laminates

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.

Extrusion & Post fiber，inserts，carbon fiber laminates occurrence，galvanic corrosion

Q

Zinc corrosion defect appears in hot-press lamination

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.

Extrusion & Post hot pressing，hot-press lamination occurrence，zinc corrosion，defect

Q

Secondary hardening phenomenon appears in FRP laminated parts

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.

Extrusion & Post FRP，laminated parts occurrence，secondary hardening，phenomenon

Q

Fish scale surface defects appear on laminates

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.

Extrusion & Post hot pressing，fiber，laminates occurrence，fish scale

Q

Cell stretching collapse appears in polyurethane spray foaming

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.

Extrusion & Post cells，gel，polyurethane

Q

Acoustic oscillation marks produced by the sizing die in extrusion foaming

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.

Extrusion & Post produced by sizing die in extrusion foaming，acoustic oscillation，Process optimization

Q

Corrugated patterns appear on XPS extruded board

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.

Extrusion & Post extruded board occurrence，corrugated，Process optimization

Q

Internal star-shaped cracks appear in cast products

A

The essence of cracking is that internal stress exceeds the material strength limit; it is necessary to proceed from two aspects: reducing stress concentration and improving material toughness.

Extrusion & Post casting，cast products occurrence，internal star-shaped cracks

Q

Double-wall structure appears in slush-molded products

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.

Extrusion & Post gel，mold temperature，slush molding

Q

Pre-crosslinking of color masterbatch in the online dyeing spinning flow channel causing spinnability loss

A

This problem is a typical manifestation of Pre-crosslinking of color masterbatch in the online dyeing spinning flow channel causing spinnability loss in melt spinning, and the core of the solution lies in the precise stability of spinning temperature, high-precision control of metering supply and...

Extrusion & Post Pre-crosslinking of color masterbatch in the online dyeing spinning flow channel causing spinnability loss

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