• 吹塑膜的进气方式
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吹塑膜的进气方式

  • 24/05/2018 09:18:52

吹塑膜的进气方式 1.进气形式 中空吹塑的进气形式很多,通常使用有针吹法、顶吹法和底吹法三种。不论采用哪一种形式,应以压缩空气的压力足以吹胀型坯得到轮廓明显和字母花纹清晰的制品为原则。 2.螺杆转速 对于螺杆转速的选择,应遵循这样一个原则,在既能够挤出…

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