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    • 3. 发明申请
    • Composite Consumables for a Plasma Arc Torch
    • 等离子弧火炬的复合耗材
    • US20140021175A1
    • 2014-01-23
    • US13570526
    • 2012-08-09
    • Carey ChenNicholas Sanders
    • Carey ChenNicholas Sanders
    • H05H1/34H05H1/28H05K13/00
    • H05H1/34H05H2001/3426H05H2001/3442Y10T29/49117
    • An electrode is provided for use in a plasma arc torch. The electrode includes a body having a forward portion, a middle portion and an aft portion. The forward portion includes an electrode tip comprising a conductive first material, wherein the electrode tip includes: 1) a pilot contact region for initiating a pilot arc across the nozzle and 2) an emitter. The middle portion comprises a second material and defines a proximal end for mating with the forward portion and a distal end for mating with the aft portion. The material density of the second material is at least half of the material density of the first material. The electrode also includes an electrically conductive path extending from the forward portion to the aft portion of the body.
    • 提供了一种用于等离子弧焊炬的电极。 电极包括具有前部,中间部和后部的主体。 前部包括包括导电第一材料的电极尖端,其中电极尖端包括:1)用于启动穿过喷嘴的引导电弧的引导触点区域,以及2)发射极。 中间部分包括第二材料并且限定用于与前部配合的近端和用于与后部配合的远端。 第二材料的材料密度至少为第一材料的材料密度的一半。 电极还包括从主体的前部向后部延伸的导电路径。