Pinhole. A short unwelded area in the weld line extending through the entire pipe so that fluid will leak out through the area very slowly.
针孔。指焊缝线上位焊接的、贯穿管子整个壁厚的细孔，可导致流体从该孔缓慢漏出。
| 单词 | Weld line |
| 释义 |
Weld line
英语例句库
Pinhole. A short unwelded area in the weld line extending through the entire pipe so that fluid will leak out through the area very slowly. 针孔。指焊缝线上位焊接的、贯穿管子整个壁厚的细孔，可导致流体从该孔缓慢漏出。
英语百科
Weld lineIn manufacturing, the Weld line or Knit line or Meld line is the line where two flow fronts meet when there is the inability of two or more flow fronts to "knit" together, or "weld", during the molding process. These lines usually occur around holes or obstructions and cause locally weak areas in the molded part. Knit lines are considered molding defects, and occur when the mold or/and material temperatures are set too low: thus the materials will be cold when they meet, so that they do not bond perfectly. This can cause a weak area in the part which can cause breakage when the part is under stress. There are many Computer Aided Engineering tools that are available that can predict where these areas could occur. |
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