> For the complete documentation index, see [llms.txt](https://wiki.polymaker.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://wiki.polymaker.com/polymaker-wiki/polymaker-wiki-zh/ji-chu-zhi-shi/fun-3d-printing-facts/extrusion-temp-printing-temp.md).

# 挤出温度 ≠ 打印温度

3D 打印中一个有趣的现象是，你设置的打印温度，可能并不是实际耗材挤出时的温度。

我们在我们的 [翘曲](/polymaker-wiki/polymaker-wiki-zh/da-yin-ji-qiao/material-science/warping.md) 材料科学部分中讲到这一点，但本质上，材料升温需要时间。这意味着，如果你的打印速度快于热端熔化材料的速度，那么你实际挤出时的温度会低于你在切片软件中设置的温度。

**挤出温度：** 塑料离开喷嘴时的温度（单位：˚C）

**挤出速率：** 塑料从喷嘴中挤出的速率（单位：mm3/s）

<figure><img src="/files/61ef8c21c56e9ff5efe727cd090f161eab6e7029" alt=""><figcaption></figcaption></figure>

这就是为什么当你在一台没有很高流量热端的打印机上以非常快的速度打印时，你可能需要将打印温度设置得高于厂商建议。如果由于打印速度导致挤出温度过低，你可能会得到表面发哑、欠挤，甚至可能堵塞的零件。

{% embed url="<https://www.youtube.com/shorts/mJHwZIFNdLM>" %}


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