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Molded Part Cracking

Others

Destruction of painted products

Cause External force and inferior paint characteristics (for impact and extension)
Countermeasures
  • Eliminate the external force

Fracture of Plated Parts

Cause External force and inferior plating characteristics (for impact and extension)
Countermeasures
  • Eliminate the external force

Fracture due to deterioration of material properties

cause(1) Mixing of different materials
Countermeasures Eliminate the cause of mixing
Cause (2) Deterioration as a result of weathering or light
Countermeasures Use materials with good weather resistance
Cause(3) Thermal degradation
Countermeasures Use materials with good thermal properties
Cause(4) Thermal degradation in the cylinder
Countermeasures Ensure that conditions are suitable for molding

Fracture due to usage of materials with poor impact characteristics

Cause External force and low-strength molded parts
Countermeasures Switch to materials with high impact strength

Fracture at low temperatures

Cause External force and a drop in molded part strength
Countermeasures Switch to materials with high impact strength

Creep fracture

Cause Application of loading over an extended period of time
Countermeasures Reduce initial deformation and load Increase the modulus of section Reduce the stress

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