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    • 23. 发明专利
    • Aluminum layer having reinforced structure
    • 具有强化结构的铝层
    • JP2007125686A
    • 2007-05-24
    • JP2006260821
    • 2006-09-26
    • Seco Tools Abセコ ツールズ アクティエボラーグ
    • RUPPI SAKARI
    • B23B27/14C23C16/30C23C16/40
    • C23C16/36C23C16/403C23C30/005Y10T428/24413Y10T428/24975Y10T428/252Y10T428/265Y10T428/266
    • PROBLEM TO BE SOLVED: To provide a covering cutting tool insert constituted by including a base material and a film to be used for machining of metal and furnished with an α aluminum layer the coat of which is improved. SOLUTION: The hard and abrasion resistant coat shows an excellent adhesive property on the base material covering its function part. This coat is made of more than one of heat resistant layers at least one layer of which is αAl 2 O 3 showing a strong growing structure along . This αAl 2 O 3 layer is made of columnar grains having thickness of a region of 1 to 20 μm and having a ratio of length/width of 2 to 15. This layer constitutes its characteristic feature of a strong diffraction peak in (006) measured and a weak diffraction peak in (012), (104), (113), (204), (116) by using XRD. This structure is controlled by a special nucleation means combined with use of dopant containing sulfur and fluorine. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种覆盖切削刀具刀片,其由包括用于金属机械加工的基材和膜构成,并且具有改进的涂层α铝层。

      解决方案:耐磨损的涂层在覆盖其功能部件的基材上显示出优异的粘合性。 该涂层由多于一层的耐热层制成,其中至少一层为αAl 2 O 3 ,沿<001>呈强烈的生长结构。 该αAl 2 <3> 层由厚度为1〜20μm的长度/宽度为2〜15的柱状晶粒构成。该层 在(006),(012),(104),(113),(204),(116)中使用XRD,测定了(006)中的强衍射峰的特征和弱衍射峰。 该结构由与硫和氟的掺杂剂的使用相结合的特殊成核手段控制。 版权所有(C)2007,JPO&INPIT

    • 27. 发明专利
    • MANUFACTURE OF SUBMICRON CEMENTED CARBIDE TOOL INSERT
    • JPH11286734A
    • 1999-10-19
    • JP4107099
    • 1999-02-19
    • SECO TOOLS AB
    • QVICK JANJANSSON BO
    • B23B27/14B22F3/02B23P15/28C22C1/05C22C29/08
    • PROBLEM TO BE SOLVED: To provide a method for manufacturing a submicron cemented carbide cutting tool insert consisting of tungsten carbide and cobalt by the conventional process comprising a stage of subjecting a powder mixture of WC, Co, and a conventional grain growth inhibitor to wet-kneading to form a slurry, a stage of drying the slurry into powder, a stage of subjecting the powder to uniaxial pressing in a pressing tool to form an article of desired shape, and finally a stage of sintering. SOLUTION: At the time of the sintering stage, a cemented carbide insert of this kind tends to shrink usually in a direction parallel to the pressing direction rather than in a direction perpendicular to the pressing direction. As the result, the pressing requires a special tool or requires, after sintering of the insert, long-time grinding which causes a raise in manufacturing costs. In this method, with respect to a cemented carbide of 7.5 to 25 wt.% Co content, such defect can be removed by using a WC powder having an FSSS grain size dWC of less than 1 μm and a Co powder having an FSSS grain size dCo satisfying the condition that the value of dWC/dCo becomes 0.75-1.5.
    • 29. 发明专利
    • DRILL AND CUTTING INSERT
    • JPH10315023A
    • 1998-12-02
    • JP11864098
    • 1998-04-28
    • SECO TOOLS AB
    • LAMBERG FREDRIK
    • B23B51/00B23B27/14B23B51/04
    • PROBLEM TO BE SOLVED: To prevent an abraded part from hindering indexing to an actuating position by enlarging a rake angle of the actuating edge of a square central insert more than that in the rotational axis of a drill in an overlapping area. SOLUTION: The first strengthening chamfer edge 28A of a central insert 16 is arranged on the rotational axis or close to the rotational axis, and here, a cutting speed reduces at boring time. A peripheral insert 17 is arranged so that its actuating edge 26B overlaps with the second chamfer edge 29A of the central insert 16 in an area, a point or a line Z of a distance O from the rotational axis at boring time. The central insert 16 and the peripheral insert 17 are arranged in a drill main body so that a bisector B is always positioned on and overlaps with the radial directional outside of the rotational axis CL and a point Z. Therefore, the first chamfer edge 28B on the other side of the bisector B heavily cut to the left side is protected by the edge 26B of the peripheral insert 17.