Problem & Solution

Practical answers to common plastic material challenges

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Q

Difficult demolding

A

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

Thermoforming Difficult demolding '2079851475616104458 temperature control mold design de'2079851475616104453

Q

Product edge curling (warpage)

A

In summary, the causes of the "Product edge curling (warpage)" problem can be attributed to the combined action of multiple factors such as Uneven cooling, Release of internal stress in the sheet. Solving this problem requires starting from aspects such as Extend the cooling time, Optimize the mo...

Thermoforming Product edge curling (warpage) '2079851475616104458 cooling process de'2079851475616104453 anti-deformation

Q

Product surface whitening (stress whitening)

A

In summary, the causes of the "Product surface whitening (stress whitening)" problem can be attributed to the combined action of multiple factors such as Over-stretching, Sheet temperature too low causing cold stretching. Solving this problem requires starting from aspects such as Increase the sh...

Thermoforming Product surface whitening (stress whitening) '2079851475616104458 temperature control stretch ratio surface quality

Q

Cold marks on the product surface (flow marks)

A

In summary, the causes of the "Cold marks on the product surface (flow marks)" problem can be attributed to the combined action of multiple factors such as Mold temperature too low, Abrupt temperature drop when the sheet contacts the mold. Solving this problem requires starting from aspects such ...

Thermoforming Cold marks on the product surface (flow marks) '2079851475616104458 temperature control mold design surface quality

Q

Insufficient forming (unclear pattern)

A

In summary, the causes of the "Insufficient forming (unclear pattern)" problem can be attributed to the combined action of multiple factors such as Insufficient forming pressure or vacuum level, Sheet temperature too low. Solving this problem requires starting from aspects such as Increase the fo...

Thermoforming Insufficient forming (unclear pattern) '2079851475616104458 temperature control pressure adjustment mold design

Q

Product bridging (webbing, insufficient stretching between multiple cavities)

A

In summary, the causes of the "Product bridging (webbing, insufficient stretching between multiple cavities)" problem can be attributed to the combined action of multiple factors such as Cavity spacing too small, Sheet temperature too low. Solving this problem requires starting from aspects such ...

Thermoforming Product bridging (webbing insufficient stretching between multiple cavities) '2079851475616104458 temperature control stretch ratio

Q

Wall thickness at corners too thin or even torn

A

In summary, the causes of the "Wall thickness at corners too thin or even torn" problem can be attributed to the combined action of multiple factors such as Stretch ratio at the corners too large, Uneven sheet temperature. Solving this problem requires starting from aspects such as Increase the m...

Thermoforming Wall thickness at corners too thin or even torn '2079851475616104458 temperature control mold design wall thickness control

Q

Product wall thickness too thin

A

In summary, the causes of the "Product wall thickness too thin" problem can be attributed to the combined action of multiple factors such as Stretch ratio too large, Insufficient sheet thickness. Solving this problem requires starting from aspects such as Reduce the stretch ratio, Increase the sh...

Thermoforming Product wall thickness too thin '2079851475616104458 pressure adjustment wall thickness control stretch ratio

Q

Wrinkling (folds, excessive sagging)

A

In summary, the causes of the "Wrinkling (folds, excessive sagging)" problem can be attributed to the combined action of multiple factors such as Heating temperature too high, Sheet support spacing too large. Solving this problem requires starting from aspects such as Reduce the heating temperatu...

Thermoforming Wrinkling (folds excessive sagging) '2079851475616104458 temperature control heating process

Q

Uneven sheet heating

A

In summary, the causes of the "Uneven sheet heating" problem can be attributed to the combined action of multiple factors such as Uneven heater power distribution, Inconsistent distance between heaters and the sheet. Solving this problem requires starting from aspects such as Inspect and replace ...

Thermoforming Uneven sheet heating '2079851475616104458 heating process

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