문제 및 해결책

Q

Insufficient surface plasticization in polyphenylene sulfide (PPS) sintering

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 sintering temperature powder polyphenylene sulfide appears in sintering

Q

Workpiece deformation during turning of sintered parts

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 PTFE deformation workpiece deformation during turning of sintered parts

Q

Different axial/radial shrinkage rates of PTFE

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 shrinkage rate PTFE preforming isostatic pressing

Q

Uneven distribution of filler in PTFE sintering

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 PTFE powder preforming density

Q

Temperature difference between mold and blank

A

Temperature control is a key parameter of the sintering '2079851475616104453; it is necessary to ensure that the temperature is accurate, uniform, and stable in order to guarantee the consistency of product quality.

Molds & Tooling mold temperature preforming powder

Q

Excessive demolding force of the preforming mold

A

Demolding problems need to be comprehensively solved from three aspects: mold surface treatment, release agent selection, and curing degree control.

Molds & Tooling demolding preforming powder

Q

Excessive creep deformation of PTFE products

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 PTFE crystallinity deformation

Q

Fingerprint marks/contamination traces on sintered part surface

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 sintering temperature preforming fingerprint marks on sintered part surface contamination traces

Q

Product sticks to the mold during sintering

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 PTFE demolding product sticks to the mold during sintering

Q

Material bridging in the mold causes uneven filling

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 powder material bridging in the mold causes uneven filling process optimization

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