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Problema e solução

Respostas práticas para os desafios comuns dos materiais plásticos

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11636 perguntas
Q
Thermal aging performance of general-purpose polyethylene PPR pipes not up to standard
Q
Melt flow rate mismatch of raw materials for general-purpose polyethylene extrusion
A
MFR mismatch needs to be solved by selecting suitable grades and adjusting temperature parameters.
Extrusion & Post melt flow rate grade selection extrusion grade process adjustment batch inspection
9 visualizações
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Q
Insufficient rigidity of general-purpose polyethylene injection molded products
A
Insufficient rigidity is caused by low crystallinity or unreasonable structural design, and needs to be solved from both process parameters and product design.
Injection Molding insufficient rigidity crystallinity product design mold temperature nucleating agent
16 visualizações
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Q
Core shift of general-purpose polyethylene injection mold causing uneven wall thickness
A
Core shift is caused by insufficient rigidity or uneven force, and needs to be solved from core design, gate layout, and injection parameters.
Injection Molding core shift uneven wall thickness core rigidity gate symmetry injection pressure
16 visualizações
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Q
Uneven wall thickness of general-purpose polyethylene extruded pipes
A
Uneven wall thickness is caused by uneven die gap or uneven temperature, and needs to be solved from mold accuracy and temperature uniformity.
Extrusion & Post uneven wall thickness die concentricity uniform temperature stable haul-off sizing sleeve
9 visualizações
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Q
Cooling water channel blockage of general-purpose polyethylene injection mold
Q
Improper selection of the processing temperature window for general-purpose polyethylene general-purpose polyethylene
A
The selection of the temperature window is the basis of processing, and needs to be reasonably set according to the material characteristics and actual operating experience.
Processing Machinery processing temperature temperature window plasticization quality material degradation temperature calibration
9 visualizações
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Q
Low weld strength of general-purpose polyethylene injection molded products
Q
Poor thermal stability of general-purpose polyethylene raw material causing degradation during processing
Q
Large creep deformation of general-purpose polyethylene injection molded products
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Todos os tópicos 11636 Material Drying 1439 Injection Molding 1506 Molding Process 740 Molds & Tooling 1506 Processing Machinery 2025 Extrusion & Post 2239 Blow Molding 315 Thermoforming 141 Material Analysis 1343 Production & Quality 382
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