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蔬菜温室大棚弯管机弯曲半径要尽量实现“一管一模”和“多管一模”。对于一根管子来说,无论有几个弯,其弯曲半径只能有一个,因为弯管机在弯曲过程中不更换模块,这就是“一管一模”。而“多管一模”,就是同一直径规格的管子应尽量采用同一种弯曲半径,也就是使用同一套模块弯制不同形状的管形,这样才有利于减少模块数量
蔬菜温室大棚弯管机弯曲成形速度对成形质量的主要影响为:速度太快,容易造成导管弯曲部分的扁平,圆度达不到要求,造成的拉裂、拉断;速度太慢,容易造成导管的起皱和压紧块打滑,大管径的管子易形成导管弯曲部分的下陷。蔬菜温室大棚弯管机针对这两台数控弯管机上大量的试验,将导管的弯曲速度确定为1大弯曲速度的20%-40%为芯棒在弯曲过程中主要起着支撑导管弯曲半径的内壁防止其变形的作用。
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