In production, many defects often appear on the surface of injection mold products, such as flash, lack of glue, shrinkage, temperature, whitening, bubbles, material hair and so on. To solve these problems, we must first know what causes them.

生產中注塑模具製品表麵出（chū）現縮水如何？縮水也稱為凹陷，縮痕，是（shì）指表麵不（bú）平（píng）整，注塑模具製品由內產生淺坑或者是（shì）凹窩。注塑（sù）模具製（zhì）品縮水的原（yuán）因大概分為兩大問題。

How to solve the shrinkage on the surface of injection mold products in production? Shrinkage, also known as depression and shrinkage mark, refers to the uneven surface and shallow pits or pits produced in the injection mold products. The reasons for the shrinkage of injection mold products can be divided into two major problems.

1.注塑模具問題（tí） 有可能是模具的澆口及流道截麵積過小，如果是這樣就要擴大相應位置的截麵積（jī）。也有可能是排氣不良，針對（duì）其問題，可以改善排氣（qì）係統。再有就是冷卻係統設計不合理，冷（lěng）卻不均勻冷（lěng）卻不足，可以改善冷卻係統（tǒng）。

1. The problem of injection mold may be that the cross-sectional area of the gate and runner of the mold is too small. If so, it is necessary to expand the cross-sectional area of the corresponding position. There may also be poor exhaust. Aiming at the problem, the exhaust system can be improved. Another is the unreasonable design of the cooling system, uneven cooling and insufficient cooling, which can improve the cooling system.

2.注塑工藝調機問題。有可能注塑壓力（lì）太低和注塑速度太慢，可以適當加大（dà）注射壓（yā）力和提高注射（shè）速度。或者是保壓時間太短，可以適當合理（lǐ）控製保壓時間（jiān）。

2. Adjustment of injection molding process. It is possible that the injection pressure is too low and the injection speed is too slow. You can appropriately increase the injection pressure and speed. Or the pressure holding time is too short, so the pressure holding time can be properly and reasonably controlled.

總之注塑模具製品表麵出現縮水或者是其它什（shí）麽問題，先要（yào）找出它產生的原因，再根據原因找出相應的方法，對症下藥（yào）。

In short, in case of shrinkage or other problems on the surface of injection mold products, we should first find out the causes, and then find out the corresponding solutions according to the causes.

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