• 挤拉吹模具的温控调节
  • 1

挤拉吹模具的温控调节

  • 31/05/2018 09:15:35

(1)型坯温度调节:在第二工位,型坯被预吹胀后,其外壁与温的预吹模腔紧贴,型坯外部冷却较快;预吹胀空气,使型坯内壁的冷却较慢。只有冷却时间相当长时,型坯内外壁温差才能较小。型坯内外壁的温度不均匀,则会影响拉伸过程、吹塑过程和制品的性能。因此,经预吹胀的型坯在冷却…

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