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Home / News / How Do We Deal With The Warpage Of Injection Molded Products?

How Do We Deal With The Warpage Of Injection Molded Products?

07/15

2021

How Do We Deal With The Warpage Of Injection Molded Products?

  How to deal with Armchair Mould warpage during injection molding?

  The warpage and deformation of the plastic injection molding Armchair Mould is a very difficult problem. It should be dealt with mainly from the aspect of mold planning, and the effect of adjusting the molding conditions is very limited. So, how do we deal with the warpage of injection molded products?

  1. When poor demolding causes stress and deformation, it can be dealt with by increasing the number or area of ​​the pushrods and setting the demolding slope.

  2. When the residual stress is deformed due to the molding conditions, the stress can be eliminated by reducing the injection pressure, increasing the mold and making the mold temperature uniform, increasing the resin temperature, or annealing.

  3. When the cooling method is inappropriate, the cooling is uneven or the cooling time is insufficient, the cooling method can be adjusted to extend the cooling time. For example, the cooling circuit can be installed as close as possible to the deformed place.

  4. For the deformation caused by the shortening of the molding, the mold plan must be modified. Among them, the most important thing is to make the product wall thickness universal. Sometimes, as a last resort, measure the deformation of the product and trim the mold in the opposite direction to correct it. Resins with a larger shortening rate are generally crystalline resins (such as polyoxymethylene, nylon, polypropylene, polyethylene, and PET resins) than non-crystalline resins (such as PMMA resin, polyvinyl chloride, polystyrene, ABS resin, etc.) AS Deformed resin, etc.) is relatively large. In addition, since the glass fiber reinforced resin has fiber orientation, the amount of deformation is also large.

  Basket Mould is also our product, welcome to consult and purchase.

Black Sample Dustbin mould

Black Sample Dustbin mould

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Cup Holder Mould

Cup Holder Mould

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Auto Mould 3

Auto Mould 3

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Auto Mould 6

Auto Mould 6

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Dark Blue Big Basket mould

Dark Blue Big Basket mould

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Black Big Basket mould

Black Big Basket mould

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Black Sample Dustbin mould

Black Sample Dustbin mould

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Cup Holder Mould

Cup Holder Mould

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Auto Mould 3

Auto Mould 3

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Auto Mould 6

Auto Mould 6

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Dark Blue Big Basket mould

Dark Blue Big Basket mould

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Black Big Basket mould

Black Big Basket mould

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Black Sample Dustbin mould

Black Sample Dustbin mould

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Cup Holder Mould

Cup Holder Mould

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Auto Mould 3

Auto Mould 3

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Auto Mould 6

Auto Mould 6

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No.193 Lehua Road, New Mould Town, Huangyan, Taizhou, Zhejiang, China.