Reason: it may be because the internal stress in plastic is too large; It is also the most important temperature problem, which does not meet certain requirements. Let's talk about the solution first. Methods: The injection pressure can be reduced. Increase the cooling time to make the slope protection plastic cool slowly; There is also raising the temperature of plastics, preparing cooling equipment, and keeping the temperature of plastics as consistent as possible. The last point is to change the skeleton structure of plastic when conditions permit. If there is no way to change it, it will be scrapped.
Question 2: How to remedy the deformation of plastic products? Under the conditions of ordinary families, it is basically impossible to return to the original state. Because plastics can't shrink as before after thermal deformation and cooling, we know that metal sheets become uneven after heating and cooling. If heating and cooling are repeated, it is impossible to return to the original flat state. The same is true for an iron bar, but the iron bar can be knocked back to its original straightness. However, it is more difficult for plane objects. It is troublesome to understand the reason, but we can understand that when the temperature of an object changes, the distance between molecules changes, and after the temperature is restored, the distance between molecules can also be restored to the original value, but the spatial arrangement of molecules is different, so the original spatial shape cannot be restored. As for gas, it is different, because the position of gas molecules is free to change. The distance between molecules is related to factors such as temperature and pressure, and the spatial shape of gas is limited by the container containing it. As long as the shape of the container can be restored, the properties of gas can be completely restored, but the properties of solids can not be completely restored, so we can find that plastic boxes that are often heated or refrigerated are not as regular as before. The accumulation of its deformation makes it no longer as tightly sealed as in the past.
Question 3: How to restore the deformed hard plastic to its original state? Fix the cover and the undeformed lower part, then heat it with a hair dryer and soak it in water for quick freezing.
Question 4: What about plastic deformation? Plastic deformation cannot be recovered. Only parts need to be replaced. Compact parts, poor heat dissipation. Pay attention to the time and temperature of the environment when using it in the future.
Question 5: What should I do if the hard plastic hose is deformed? Heat in hot water to soften the plastic hose, and then try to recover the deformed part.
Question: What should I do if pbt plastic is easy to deform? There are two kinds of deformation: thermal deformation and mechanical deformation. Thermal deformation may be that the thermal deformation temperature is too low and the temperature resistance of PBT material is not enough; Mechanical deformation may be due to insufficient tensile strength or bending strength, which needs to be strengthened. Adding glass fiber or mineral filler can solve the above problems. If you have any questions about PBT glass fiber reinforcement or mineral filling, please write privately or ask directly. .................
Question 7: How can plastic deformation be restored to its original state? The cup shouldn't be burnt, but you don't use it well. You must have tightened the lid of the cup after pouring hot water, and then the cup will suddenly deform when you open the lid.
There's really no way to fix it.
Question 8: How is plastic deformation caused? External force is not excluded, but the possibility of temperature is relatively large; In addition, plastics tend to age over time.