Problema e solução

Respostas práticas para os desafios comuns dos materiais plásticos

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Q

Sticking on the Product Inner Wall

A

In summary, the causes of the 「Sticking on the Product Inner Wall」 problem can be attributed to the combined effects of multiple factors such as insufficient demolding and mold temperature being too high. To solve this problem, it is necessary to start from aspects such as demolding after full co...

Molds & Tooling Sticking on the Product Inner Wall rotational molding temperature control mold design de'2079851475616104453

Q

Burnt Powder (Local Overheating)

A

In summary, the causes of the 「Burnt Powder (Local Overheating)」 problem can be attributed to the combined effects of multiple factors such as uneven heating oven temperature and thin local mold wall causing fast heat transfer. To solve this problem, it is necessary to start from aspects such as ...

Molds & Tooling Burnt Powder (Local Overheating) rotational molding temperature control mold design heating process

Q

Rough Product Surface (Insufficient Sintering)

A

In summary, the causes of the 「Rough Product Surface (Insufficient Sintering)」 problem can be attributed to the combined effects of multiple factors such as insufficient sintering temperature and short heating time. To solve this problem, it is necessary to start from aspects such as increasing t...

Molds & Tooling Rough Product Surface (Insufficient Sintering) rotational molding temperature control mold design heating process

Q

Sagging on the Product Surface (Flowing Marks)

A

In summary, the causes of the 「Sagging on the Product Surface (Flowing Marks)」 problem can be attributed to the combined effects of multiple factors such as heating temperature being too high causing the melt to flow too fast and excessive flowability of the powder after melting. To solve this pr...

Molds & Tooling Sagging on the Product Surface (Flowing Marks) rotational molding temperature control heating process surface quality

Q

Color Difference on the Product Surface (Uneven Color)

A

In summary, the causes of the 「Color Difference on the Product Surface (Uneven Color)」 problem can be attributed to the combined effects of multiple factors such as uneven dispersion of color masterbatch and local discoloration caused by uneven heating. To solve this problem, it is necessary to s...

Molds & Tooling Color Difference on the Product Surface (Uneven Color) rotational molding heating process de'2079851475616104453 surface quality

Q

Water Marks on the Product Surface

A

In summary, the causes of the 「Water Marks on the Product Surface」 problem can be attributed to the combined effects of multiple factors such as unclean cooling water and water stains on the mold surface. To solve this problem, it is necessary to start from aspects such as using clean cooling wat...

Molds & Tooling Water Marks on the Product Surface rotational molding cooling process mold design surface quality

Q

Product Dimensions Out of Tolerance After Demolding

A

In summary, the causes of the 「Product Dimensions Out of Tolerance After Demolding」 problem can be attributed to the combined effects of multiple factors such as improper shrinkage allowance in mold design and uneven cooling. To solve this problem, it is necessary to start from aspects such as co...

Molds & Tooling Product Dimensions Out of Tolerance After Demolding rotational molding cooling process mold design de'2079851475616104453

Q

Local Thickening of Product Wall Thickness

A

In summary, the causes of the 「Local Thickening of Product Wall Thickness」 problem can be attributed to the combined effects of multiple factors such as uneven distribution of powder in the mold and powder accumulation caused by improper rotation speed. To solve this problem, it is necessary to s...

Molds & Tooling Local Thickening of Product Wall Thickness rotational molding speed control mold design wall thickness control

Q

Discoloration of the Product Inner Wall (Oxidation)

A

In summary, the causes of the 「Discoloration of the Product Inner Wall (Oxidation)」 problem can be attributed to the combined effects of multiple factors such as the inner wall being in a high-temperature state for a long time in contact with air and lack of inert gas protection. To solve this pr...

Molds & Tooling Discoloration of the Product Inner Wall (Oxidation) rotational molding

Q

Insufficient Filling at Thin-Walled Areas

A

In summary, the causes of the 「Insufficient Filling at Thin-Walled Areas」 problem can be attributed to the combined effects of multiple factors such as long powder flow distance and small space at thin-walled areas. To solve this problem, it is necessary to start from aspects such as optimizing t...

Molds & Tooling Insufficient Filling at Thin-Walled Areas rotational molding

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