鼎丰电炉为某军工高科技企业配套生产的德国埃博普真空加热炉超长方型感应圈:该线圈采用洛铜TU1无氧电解铜管绕制,线圈全部无接缝钝化处理不易破裂,感应圈间隙合理,采用70×80长度达6米的整根双马树脂胶木柱,线圈铜管每匝都经过四重耐高压绝缘处理,铜螺丝用绝缘材料与胶木柱隔开,紧固感应圈的铜螺帽全部沉入胶木柱内,并用绝缘氟硅胶密封,在胶木柱的内侧敷贴绝缘材料,消除了螺母尖棱在真空状态下的打火放电。采用同轴电极与感应圈相接的结构,可使真空炉体与同轴电极连接部位密封结构简化,能够提高密封的可靠性、安全性与真空度。感应圈出厂前均通过氦质谱真空检漏以及大气耐压和通水三重检漏检验,断绝了感应圈渗漏现象,保证线圈质量。
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