Problem & Solution

Practical answers to common plastic material challenges

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Q

Orange peel texture on the product surface

A

In summary, the causes of the "Orange peel texture on the product surface" problem can be attributed to the combined action of multiple factors such as Sheet temperature too low, Insufficient forming pressure. Solving this problem requires starting from aspects such as Increase the sheet temperat...

Thermoforming Orange peel texture on the product surface '2079851475616104458 temperature control pressure adjustment mold design

Q

Anisotropy caused by sheet orientation

A

In summary, the causes of the "Anisotropy caused by sheet orientation" problem can be attributed to the combined action of multiple factors such as Molecular orientation during sheet extrusion, Uniaxial stretching during forming. Solving this problem requires starting from aspects such as Use iso...

Thermoforming Anisotropy caused by sheet orientation '2079851475616104458 stretch ratio

Q

Product sticking to the male mold

A

In summary, the causes of the "Product sticking to the male mold" problem can be attributed to the combined action of multiple factors such as Male mold temperature too high, Small draft angle. Solving this problem requires starting from aspects such as Reduce the male mold temperature, Increase ...

Thermoforming Product sticking to the male mold '2079851475616104458 temperature control de'2079851475616104453

Q

Poor mold venting

A

In summary, the causes of the "Poor mold venting" problem can be attributed to the combined action of multiple factors such as Insufficient number of vent holes or improper positions, Vent holes clogged. Solving this problem requires starting from aspects such as Add vent holes, Optimize the vent...

Thermoforming Poor mold venting '2079851475616104458 mold design venting design

Q

Product side wall too thin

A

In summary, the causes of the "Product side wall too thin" problem can be attributed to the combined action of multiple factors such as Large stretch ratio at the side wall, Uneven sheet temperature. Solving this problem requires starting from aspects such as Use plug pre-stretching, Optimize the...

Thermoforming Product side wall too thin '2079851475616104458 temperature control speed control stretch ratio

Q

Product bottom too thin

A

In summary, the causes of the "Product bottom too thin" problem can be attributed to the combined action of multiple factors such as Large stretch ratio at the bottom, Sheet temperature too low. Solving this problem requires starting from aspects such as Use plug pre-stretching, Increase the shee...

Thermoforming Product bottom too thin '2079851475616104458 temperature control stretch ratio

Q

Excessive sheet sagging after heating

A

In summary, the causes of the "Excessive sheet sagging after heating" problem can be attributed to the combined action of multiple factors such as Heating temperature too high, Sheet area large and thin. Solving this problem requires starting from aspects such as Reduce the heating temperature, U...

Thermoforming Excessive sheet sagging after heating '2079851475616104458 temperature control heating process

Q

Product whitening (over-stretching)

A

In summary, the causes of the "Product whitening (over-stretching)" problem can be attributed to the combined action of multiple factors such as Stretch ratio at that location too large, Sheet temperature too low. Solving this problem requires starting from aspects such as Reduce the stretch rati...

Thermoforming Product whitening (over-stretching) '2079851475616104458 temperature control stretch ratio

Q

Scratches on the product surface

A

In summary, the causes of the "Scratches on the product surface" problem can be attributed to the combined action of multiple factors such as Damage on the mold surface, Friction with the mold during demolding. Solving this problem requires starting from aspects such as Polish the mold surface, O...

Thermoforming Scratches on the product surface '2079851475616104458 mold design de'2079851475616104453 surface quality

Q

Uneven sheet thickness

A

In summary, the causes of the "Uneven sheet thickness" problem can be attributed to the combined action of multiple factors such as Uneven die lip gap during sheet extrusion, Poor precision of the sheet calendering roll. Solving this problem requires starting from aspects such as Replace with qua...

Thermoforming Uneven sheet thickness '2079851475616104458 die adjustment

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