문제 및 해결책

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

Spontaneous combustion phenomenon appears in thermosetting casting material

A

The core of the poor curing problem is that the chemical reaction conditions do not meet the requirements; it is necessary to precisely control the formulation ratio and curing process parameters.

Material Drying casting，exotherm，thermosetting casting material occurrence，spontaneous combustion

Q

Excessive solvent residue in cast film produces bubbles

A

The essence of this problem is that gas was not effectively removed during the casting '2079851475616104453; it needs to be solved coordinately from three aspects: degassing process, casting method, and venting design.

Material Drying bubbles，casting，Excessive solvent residue in cast film produces bubbles

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

Density stratification rings appear in centrifugal casting (annual ring patterns)

A

The essence of uneven density is inconsistent distribution or densification of the material during the '2079851475616104453; it is necessary to optimize the feeding method and pressure transmission.

Material Analysis density，centrifugal casting，casting

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

Rainbow patterns/interference colors appear on the product

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.

Processing Machinery demolding，rainbow patterns appear on the product，interference color

Q

Phase separation of the casting material during curing

A

The core of the poor curing problem is that the chemical reaction conditions do not meet the requirements; it is necessary to precisely control the formulation ratio and curing process parameters.

Material Drying curing agent，casting，Phase separation of the casting material during curing

Q

Gelled particles (gel particles/fisheyes)

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.

Processing Machinery gel，casting，gelled particles，gel particle

Q

Impact failure of the product in extremely low-temperature environments

A

In summary, the causes of the 「Impact failure of the product in extremely low-temperature environments」 problem can be attributed to the combined action of multiple factors such as the toughness of the resin dropping sharply at extremely low temperatures and insufficient wall thickness. Solving t...

Material Drying Impact failure of the product in extremely low-temperature environments、rotational molding、resin characteristics、wall thickness control

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