Problema y solución

Respuestas prácticas a los desafíos comunes de los materiales plásticos

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Product warpage

In summary, the causes of the "Product warpage" problem can be attributed to the combined action of multiple factors such as uneven cooling and demolding too early. Solving this problem requires starting from aspects such as extend the cooling time and optimize the mold cooling water channels, an...

Blow Molding Product warpage extrusion '2079851475616104457 temperature control cooling process mold design

Product surface roughness (poor gloss)

In summary, the causes of the "Product surface roughness (poor gloss)" problem can be attributed to the combined action of multiple factors such as rough mold cavity surface and insufficient blowing air pressure. Solving this problem requires starting from aspects such as polish the mold cavity a...

Blow Molding Product surface roughness (poor gloss) extrusion '2079851475616104457 temperature control pressure regulation mold design

Surface weld line (pinch-off seam)

In summary, the causes of the "Surface weld line (pinch-off seam)" problem can be attributed to the combined action of multiple factors such as uneven mold parting surface and improper flash groove design. Solving this problem requires starting from aspects such as repair and finish the mold part...

Blow Molding Surface weld line (pinch-off seam) extrusion '2079851475616104457 mold design mold closing accuracy welding quality

Insufficient inflation (incomplete inflation)

In summary, the causes of the "Insufficient inflation (incomplete inflation)" problem can be attributed to the combined action of multiple factors such as insufficient blowing air pressure and short blowing time. Solving this problem requires starting from aspects such as increase the blowing air...

Blow Molding Insufficient inflation (incomplete inflation) extrusion '2079851475616104457 pressure regulation mold design venting design

Uneven wall thickness after '2079851475616104457 (product)

In summary, the causes of the "Uneven wall thickness after '2079851475616104457 (product)" problem can be attributed to the combined action of multiple factors such as improper selection of the blow-up ratio and unreasonable parison wall thickness distribution. Solving this problem requires start...

Blow Molding Uneven wall thickness after '2079851475616104457 (product) extrusion '2079851475616104457 mold design wall thickness control blow-up ratio

Uneven parison wall thickness (wall thickness control)

In summary, the causes of the "Uneven parison wall thickness (wall thickness control)" problem can be attributed to the combined action of multiple factors such as uneven die gap and wear of the inner surface of the die. Solving this problem requires starting from aspects such as adjust the die g...

Blow Molding Uneven parison wall thickness (wall thickness control) extrusion '2079851475616104457 wall thickness control die adjustment surface quality

Parison Diameter Fluctuation

In summary, the causes of the "parison diameter fluctuation" problem can be attributed to the combined effect of multiple factors such as melt pressure fluctuation and unstable screw axial force. Solving this problem requires starting from aspects such as installing a pressure-stabilizing device ...

Blow Molding parison diameter fluctuationextrusion '2079851475616104457pressure adjustmentscrew maintenance

Uneven Parison Length

In summary, the causes of the "uneven parison length" problem can be attributed to the combined effect of multiple factors such as unstable extruder feeding and screw speed fluctuation. Solving this problem requires starting from aspects such as stabilizing the feeding system and calibrating the ...

Blow Molding uneven parison lengthextrusion '2079851475616104457screw maintenance

Parison Sag (Sag Under Its Own Weight)

In summary, the causes of the "parison sag (sag under its own weight)" problem can be attributed to the combined effect of multiple factors such as excessive melt temperature and insufficient melt strength. Solving this problem requires starting from aspects such as lowering the melt temperature ...

Blow Molding parison sag (sag under its own weight)extrusion '2079851475616104457temperature controlspeed control

A Large Amount of Monomer Sublimation White Powder Appearing in the Cooling Zone and Adhering Around the Equipment

This problem is a typical manifestation of a large amount of monomer sublimation white powder appearing in the cooling zone and adhering around the equipment in melt spinning. The core of the solution lies in the precise stability of the spinning temperature, the high-precision control of meterin...

Extrusion & Post a large amount of monomer sublimation white powder appearing in the cooling zone and adhering around the equipment

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