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Q

Tearing of castings during machining

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 casting，castings during machining，tearing

2 görüntüleme

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Q

Sedimentation "hard bottom" of ceramic powder-filled casting material

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 casting，density，viscosity

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Q

Gel shock appears in casting material under low-temperature environment

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 internal stress，casting，cracking，gel

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Q

Partial discharge (partial breakdown) appears in electrical insulation castings

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 casting，partial discharge in electrical insulation castings，partial breakdown

2 görüntüleme

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Q

Sweating phenomenon appears in polyurethane 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.

Processing Machinery curing time，polyurethane，casting

2 görüntüleme

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Q

Bursting appears in bulk polymerization casting of acrylic glass (PMMA)

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 polymerization，casting，exotherm

2 görüntüleme

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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

2 görüntüleme

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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

2 görüntüleme

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Q

Degradation Bands of the Melt in the Static Mixer

A

The essence of degradation yellowing is that the polymer molecular chains undergo chain scission and chemical changes under high-temperature and high-shear conditions. The core of the solution is "three controls": control the processing temperature within the material's recommended range, control...

Processing Machinery degradation yellowingprocessing temperatureresidence timeheat stabilizerPVC dehydrochlorination

2 görüntüleme

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Q

Abnormal Friction Coefficient of Products

A

This problem is a typical manifestation of abnormal friction coefficient of products in compression molding. The core of the solution lies in the reasonable preheating of the material and the guarantee of fluidity, as well as the precise matching of mold temperature and molding pressure. It is re...

Processing Machinery degree of curecatalyst dosagemold temperaturecuring timepost-curing

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