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    • 2. 发明公开
    • METHOD FOR MANUFACTURING CIRCULAR SAW WITH HARD TIP
    • VERFAHREN ZUR HERSTELLUNG EINERKREISSÄGEMIT HARTER SPITZE
    • EP3015206A1
    • 2016-05-04
    • EP14818679.4
    • 2014-06-20
    • Kanefusa Kabushiki Kaisha
    • FUJIWARA, TsugunoriIINUMA, Tomoyuki
    • B23D65/00B23D61/02
    • B23D65/00B23D61/028B23D61/04
    • A method for manufacturing a tipped circular saw blade 10 comprises a first step of forming a disk-shaped metal base 11, a second step of producing cutting edge tips 21 by grinding cutting edges, a third step of coating the cutting edge tips 21 with hard coating film 24, and a fourth step of fixing the cutting edge tips 21 coated with the hard coating film 24 to teeth 13 of the metal base 11 by brazing. The hard coating film is of one material selected from a first material comprising one of nitrides, oxides or oxynitrides containing at least one of Al, Ti, and Cr, a second material comprising the first material containing at least one of Si, V, Ni, Y, Zr, Nb, Mo, Ta and W, a third material comprising the first material containing at least one of B and C, and a fourth material comprising the second material containing at least one of B and C.
    • 用于制造圆形圆锯片10的方法包括:形成盘状金属基座11的第一步骤,通过研磨切削刃来生产切削刃尖21的第二步骤,第三步骤,用硬涂覆切削刃尖21 涂膜24,以及通过钎焊将涂覆有硬涂膜24的切削刃尖21固定到金属基座11的齿13的第四步骤。 所述硬涂膜是选自含有包含Al,Ti和Cr中的至少一种的氮化物,氧化物或氮氧化物中的一种的第一材料的材料,第二材料包含含有Si,V,Ni, ,Y,Zr,Nb,Mo,Ta和W的第三材料,包含含有B和C中的至少一种的第一材料的第三材料和包含含有B和C中的至少一种的第二材料的第四材料。
    • 3. 发明公开
    • CUTTING TOOL
    • 切割用具
    • EP2939806A1
    • 2015-11-04
    • EP13868115.0
    • 2013-11-20
    • Kanefusa Kabushiki Kaisha
    • MINAMI, ToruYAMADA, YasunariNISHIO, Satoru
    • B27G13/00B27B33/00
    • B27G13/00B23D61/00B23D61/028B23D65/00B27B33/00C23C14/0676C23C28/042C23C28/044C23C28/048C23C28/42Y10T428/24355
    • A wood or resin cutting tool with improved durability is provided. The wood or resin cutting tool is composed of a base material made of steel or a cemented carbide alloy, and a coating formed on at least one of the rake face and the clearance face of the cutting tool. The coating includes a periodic structure layer made of chromium oxynitride, in which high oxygen regions having a high concentration of oxygen in the texture and low oxygen regions having a lower concentration of oxygen in the texture than the high oxygen regions periodically exist in the thickness direction of the coating. The periodic structure layer is formed such that the nitrogen concentration periodically turns high and low in the thickness direction of the layer corresponding to the high oxygen regions and the low oxygen regions.
    • 提供具有改善的耐久性的木材或树脂切割工具。 木材或树脂切削工具由钢或超硬合金制成的基体材料以及在切削工具的前刀面和间隙面中的至少一个上形成的涂层组成。 所述涂层包括由氮氧化铬制成的周期性结构层,其中在纹理中具有高浓度氧的高氧区和在高纹理区中具有比高氧区低的氧浓度的低氧区沿厚度方向周期性地存在 的涂层。 周期性结构层形成为使得氮浓度在对应于高氧区域和低氧区域的层的厚度方向上周期性地高和低。