문제 및 해결책

Q

Thixotropic breakdown appears in casting material under vibration conditions

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，viscosity，casting material under vibration conditions occurrence，thixotropic breakdown

Q

Cure inhibition effect appears in a certain batch of raw 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 catalyst，a certain batch of raw material occurrence，cure inhibition，effect

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

Q

Sand hole chain appears in centrifugal 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.

Molds & Tooling centrifugal casting，bubbles，casting

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

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

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

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

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

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

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