문제 및 해결책

Q

Product delamination

A

The essence of the interlayer separation problem is insufficient interfacial bonding force, which needs to be systematically improved from three aspects: impregnation quality, interlayer cleanliness, and process parameters.

Extrusion & Post preforming density isostatic pressing

Q

Excessive internal stress

A

This problem needs to be comprehensively analyzed from multiple dimensions of material, process, equipment, and operation, and solved by systematically optimizing process parameters and the quality control system.

Processing Machinery internal stress cooling rate sintering temperature PTFE crystallinity

Q

Internal voids/pores

A

This problem needs to be comprehensively analyzed from multiple dimensions of material, process, equipment, and operation, and solved by systematically optimizing process parameters and the quality control system.

Molds & Tooling preforming powder density holding pressure

Q

Rough surface/peeling

A

Surface defects are the result of the combined effects of mold state, process parameters, and material formulation, and each factor needs to be systematically investigated and optimized in a targeted manner.

Molds & Tooling demolding heating rate preforming powder

Q

Excessive dimensional shrinkage/dimension out of tolerance

A

The core of shrinkage defects lies in the contradiction between the volume change of material curing and insufficient process compensation, which needs to be comprehensively controlled through formulation optimization and process adjustment.

Molds & Tooling sintering temperature preforming density powder

Q

Product deformation/warpage

A

Deformation problems originate from internal stress generated by uneven shrinkage or heating of various parts of the product, and need to be systematically solved from three aspects: structural design, process parameters, and post-processing.

Molds & Tooling preforming density deformation warpage cold pressing

Q

Product yellowing/blackening (oxidative degradation)

A

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

Processing Machinery PTFE product yellowing blackening oxidative degradation

Q

Over-sintering/thermal degradation

A

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

Processing Machinery sintering temperature UHMWPE thermal degradation PTFE

Q

Incomplete sintering/under-sintering (core not sintered)

A

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

Processing Machinery sintering temperature PTFE powder

Q

Poor interlayer compatibility of different resin batches

A

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

Extrusion & Post poor interlayer compatibility of different resin batches process optimization

문제 및 해결책

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