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    • 2. 发明申请
    • METHOD OF MANUFACTURING REACTOR
    • 制造反应器的方法
    • US20160189862A1
    • 2016-06-30
    • US14976579
    • 2015-12-21
    • Hiroyuki MIYAUCHIShuichi HIRATATakeshi OKADASatoshi ITOKengo HARA
    • Hiroyuki MIYAUCHIShuichi HIRATATakeshi OKADASatoshi ITOKengo HARA
    • H01F41/00
    • H01F41/005H01F27/022H01F27/306H01F27/324H01F37/00
    • Breakage of a ring core or a bobbin upon injection molding of molten resin is to be prevented in a method of manufacturing a reactor including the ring core. A reactor includes a ring core, a bobbin, a pair of coils, and a plastic cover. The bobbin includes a pair of cylinder portions, and flanges connecting ends of the cylinder portions. The reactor is manufactured by following processes. First protrusions that make contact with an inner circumferential surface of the ring core are provided on outer sides of the flanges along a cylinder axis direction. Second protrusions are provided at positions facing the corresponding first protrusions across the ring core are provided on a cavity surface of a mold that forms the plastic cover by injection molding. The plastic cover is formed by injecting molten resin into the mold while clamping the ring core by the first and second protrusions.
    • 在制造包括环形芯的反应器的方法中,可以防止熔融树脂注射成型时的环芯或线轴的破损。 反应器包括环形芯,线轴,一对线圈和塑料盖。 筒管包括一对圆筒部分和连接圆筒部分的端部的凸缘。 反应器通过以下方法制造。 沿着圆筒轴线方向在凸缘的外侧设置与环形芯的内周面接触的第一突起。 在通过注射成型形成塑料盖的模具的空腔表面上设置第二凸起,所述第二突起设置在穿过环形芯的相应的第一突起的位置。 塑料盖通过将熔融树脂注入模具而形成,同时通过第一和第二突起夹住环形芯。