Problema e solução

Respostas práticas para os desafios comuns dos materiais plásticos

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Odor Inside the Product

In summary, the causes of the 「Odor Inside the Product」 problem can be attributed to the combined effects of multiple factors such as odor produced by decomposition of resin or additives and release agent residue. To solve this problem, it is necessary to start from aspects such as selecting low-...

Material Drying Odor Inside the Product rotational molding resin properties de'2079851475616104453

Poor Powder Flowability

In summary, the causes of the 「Poor Powder Flowability」 problem can be attributed to the combined effects of multiple factors such as irregular powder shape and powder getting damp. To solve this problem, it is necessary to start from aspects such as using spherical powder and drying the powder a...

Material Drying Poor Powder Flowability rotational molding

Product Embrittlement in Low-Temperature Environments

In summary, the causes of the 「Product Embrittlement in Low-Temperature Environments」 problem can be attributed to the combined effects of multiple factors such as poor low-temperature toughness of the resin and insufficient wall thickness. To solve this problem, it is necessary to start from asp...

Material Drying Product Embrittlement in Low-Temperature Environments rotational molding resin properties wall thickness control toughness improvement

Insufficient Product Rigidity

In summary, the causes of the 「Insufficient Product Rigidity」 problem can be attributed to the combined effects of multiple factors such as insufficient wall thickness and low resin strength. To solve this problem, it is necessary to start from aspects such as increasing the wall thickness and se...

Material Drying Insufficient Product Rigidity rotational molding resin properties wall thickness control

Bubbles on the Product Surface (Large Area)

In summary, the causes of the 「Bubbles on the Product Surface (Large Area)」 problem can be attributed to the combined effects of multiple factors such as moisture or oil stains on the mold surface and volatiles in the release agent. To solve this problem, it is necessary to start from aspects suc...

Material Drying Bubbles on the Product Surface (Large Area) rotational molding mold design resin properties moisture content

Powder Getting Damp

In summary, the causes of the 「Powder Getting Damp」 problem can be attributed to the combined effects of multiple factors such as humid powder storage environment and not being stored sealed. To solve this problem, it is necessary to start from aspects such as storing the powder sealed and drying...

Material Drying Powder Getting Damp rotational molding

Excessive Product Shrinkage

In summary, the causes of the 「Excessive Product Shrinkage」 problem can be attributed to the combined effects of multiple factors such as large cooling shrinkage rate and uneven product wall thickness. To solve this problem, it is necessary to start from aspects such as selecting a low-shrinkage ...

Material Drying Excessive Product Shrinkage rotational molding cooling process resin properties wall thickness control

Mold Surface Rust (Damage)

In summary, the causes of the 「Mold Surface Rust (Damage)」 problem can be attributed to the combined effects of multiple factors such as mold material not being corrosion-resistant and wear from long-term use. To solve this problem, it is necessary to start from aspects such as using stainless st...

Material Drying Mold Surface Rust (Damage) rotational molding mold design material selection surface quality

Excessive Heating (Degradation and Discoloration, Bubbling)

In summary, the causes of the 「Excessive Heating (Degradation and Discoloration, Bubbling)」 problem can be attributed to the combined effects of multiple factors such as heating temperature being too high and heating time being too long. To solve this problem, it is necessary to start from aspect...

Material Drying Excessive Heating (Degradation and Discoloration Bubbling) rotational molding temperature control resin properties heating process

Powder Bridging (Clumping)

In summary, the causes of the 「Powder Bridging (Clumping)」 problem can be attributed to the combined effects of multiple factors such as powder particle size being too large or uneven and powder getting damp and clumping. To solve this problem, it is necessary to start from aspects such as using ...

Material Drying Powder Bridging (Clumping) rotational molding mold design

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