Problema e solução

Respostas práticas para os desafios comuns dos materiais plásticos

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Q

Product Delamination (Multiple Feeding Process)

A

In summary, the causes of the 「Product Delamination (Multiple Feeding Process)」 problem can be attributed to the combined effects of multiple factors such as mismatched interlayer sintering temperature and poor interlayer bonding. To solve this problem, it is necessary to start from aspects such ...

Extrusion & Post Product Delamination (Multiple Feeding Process) rotational molding temperature control

Q

Powder Getting Damp

A

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

Q

Large Internal Stress in the Product (Cracking During Use)

A

In summary, the causes of the 「Large Internal Stress in the Product (Cracking During Use)」 problem can be attributed to the combined effects of multiple factors such as large internal stress and stress concentration caused by uneven wall thickness. To solve this problem, it is necessary to start ...

Molds & Tooling Large Internal Stress in the Product (Cracking During Use) rotational molding wall thickness control stress control

Q

Product Discoloration (Local Burnt)

A

In summary, the causes of the 「Product Discoloration (Local Burnt)」 problem can be attributed to the combined effects of multiple factors such as local overheating of the mold and uneven heating oven temperature. To solve this problem, it is necessary to start from aspects such as improving heati...

Molds & Tooling Product Discoloration (Local Burnt) rotational molding temperature control mold design wall thickness control

Q

Excessive Product Shrinkage

A

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

Q

Improper Mold Rotation Speed (Speed Ratio)

A

In summary, the causes of the 「Improper Mold Rotation Speed (Speed Ratio)」 problem can be attributed to the combined effects of multiple factors such as improper process parameter settings and equipment speed control system failure. To solve this problem, it is necessary to start from aspects suc...

Molds & Tooling Improper Mold Rotation Speed (Speed Ratio) rotational molding speed control mold design rotation parameters

Q

Mold Surface Rust (Damage)

A

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

Q

Clogged Mold Vent Holes

A

In summary, the causes of the 「Clogged Mold Vent Holes」 problem can be attributed to the combined effects of multiple factors such as improper vent hole design and material flowing into the vent holes. To solve this problem, it is necessary to start from aspects such as optimizing vent hole desig...

Molds & Tooling Clogged Mold Vent Holes rotational molding mold design venting design

Q

Improper Use of Release Agent (Difficult Demolding)

A

In summary, the causes of the 「Improper Use of Release Agent (Difficult Demolding)」 problem can be attributed to the combined effects of multiple factors such as uneven application or improper dosage of release agent and mismatched release agent type. To solve this problem, it is necessary to sta...

Molds & Tooling Improper Use of Release Agent (Difficult Demolding) rotational molding de'2079851475616104453

Q

Improper Cooling Speed (Slow Cooling Causing Embrittlement)

A

In summary, the causes of the 「Improper Cooling Speed (Slow Cooling Causing Embrittlement)」 problem can be attributed to the combined effects of multiple factors such as cooling water temperature being too high and insufficient cooling air volume. To solve this problem, it is necessary to start f...

Molds & Tooling Improper Cooling Speed (Slow Cooling Causing Embrittlement) rotational molding speed control cooling process

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