| Condition | Description | Reasons | Solution |
| 1 | Ripple on the long,vertical and thin surface,which is at right angles to the direction of flowing.Also due to other adverse flow conditions (wall thickness difference) may result in Irregular surface ripple. | Complex design of the product prevents uniform material flowing. | In most cases it cannot be completely eliminated, but can be improved in the following ways: Increase pressure, change the feeding position,to use low shrinkage or no shrinkage resin. |
Condition Description Reasons Solution 1 Metal damage in the direction of applied force……
It is difficult to discuss in detail each control factor in every step of the preparation process ……
Condition Description Reasons Solution 1 Ripple on the long,vertical and thin surface,which i……