Problema e solução

Respostas práticas para os desafios comuns dos materiais plásticos

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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

Insufficient Heating (Incomplete Melting, Powder Particle Residue)

In summary, the causes of the 「Insufficient Heating (Incomplete Melting, Powder Particle Residue)」 problem can be attributed to the combined effects of multiple factors such as insufficient heating temperature and short heating time. To solve this problem, it is necessary to start from aspects su...

Molds & Tooling Insufficient Heating (Incomplete Melting Powder Particle Residue) rotational molding temperature control mold design wall thickness control

Improper Powder Particle Size Causing Uneven Melting

In summary, the causes of the 「Improper Powder Particle Size Causing Uneven Melting」 problem can be attributed to the combined effects of multiple factors such as unqualified powder grinding and mixing powders of different particle sizes. To solve this problem, it is necessary to start from aspec...

Molds & Tooling Improper Powder Particle Size Causing Uneven Melting rotational molding

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

Product Warpage (Deformation)

In summary, the causes of the 「Product Warpage (Deformation)」 problem can be attributed to the combined effects of multiple factors such as uneven cooling and cooling speed being too fast. To solve this problem, it is necessary to start from aspects such as optimizing the cooling process and slow...

Molds & Tooling Product Warpage (Deformation) rotational molding speed control cooling process deformation prevention

Pinholes on the Product Outer Surface (Orange Peel)

In summary, the causes of the 「Pinholes on the Product Outer Surface (Orange Peel)」 problem can be attributed to the combined effects of multiple factors such as the mold surface having air holes or sand holes and poor mold surface treatment. To solve this problem, it is necessary to start from a...

Molds & Tooling Pinholes on the Product Outer Surface (Orange Peel) rotational molding mold design de'2079851475616104453 surface quality

Rough product inner wall (flow marks)

In summary, the causes of the "Rough product inner wall (flow marks)" problem can be attributed to the combined action of multiple factors such as Insufficient melting of the powder, Insufficient sintering temperature. Solving this problem requires starting from aspects such as Increase the sinte...

Molds & Tooling Rough product inner wall (flow marks) rotational molding temperature control

Bubbles inside the product (pinholes)

In summary, the causes of the "Bubbles inside the product (pinholes)" problem can be attributed to the combined action of multiple factors such as Air entrapped in the powder not discharged, Bubbles not eliminated during the melting process. Solving this problem requires starting from aspects suc...

Material Drying Bubbles inside the product (pinholes) rotational molding resin characteristics

Uneven product wall thickness

In summary, the causes of the "Uneven product wall thickness" problem can be attributed to the combined action of multiple factors such as Improper mold rotation speed ratio, Uneven heating oven temperature. Solving this problem requires starting from aspects such as Optimize the rotation speed a...

Molds & Tooling Uneven product wall thickness rotational molding temperature control speed control mold design

Insufficient mechanical properties of the product

In summary, the causes of the "Insufficient mechanical properties of the product" problem can be attributed to the combined action of multiple factors such as Insufficient wall thickness, Improper material selection. Solving this problem requires starting from aspects such as Increase the wall th...

Material Drying Insufficient mechanical properties of the product '2079851475616104458 material selection wall thickness control stretch ratio

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