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1. 发明专利

JP2005199281A Tool for friction stir welding 有权
标题翻译：工具用于摩擦焊接
公开(公告)号：JP2005199281A
公开(公告)日：2005-07-28
申请号：JP2004005564
申请日：2004-01-13
申请人： Dijet Ind Co Ltd , ダイジ▲ェ▼ット工業株式会社
发明人： SAKANO MINORU , SAKAMOTO MASAKAZU
IPC分类号： B23K20/12
摘要： PROBLEM TO BE SOLVED: To provided a friction stir welding tool which force-fits a probe pin extended from the distal end face of a rotor rotating at high speed into a joint portion of a member to be joined and which then moves the probe pin along the joint portion to join the member to be joined at the joint portion by friction stir welding, in which wearing and buckling of the rotor or the probe pin and also thermal deformation or the like of the joint portion of the member to be joined are suppressed.
SOLUTION: The friction stir welding tool is disclosed which force-fits the probe pin 12 extended from the distal end face 11a of the rotating rotor 11 into the joint portion 1a of the member to be joined 1 and which then moves the probe pin along the joint portion to join the member to be joined at the joint portion by friction stir welding, wherein a part of the probe pin and the rotor that come into contact at least with the member to be joined is composed of WC-based cemented carbide containing 5-18 wt% Co.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种摩擦搅拌焊接工具，该摩擦搅拌焊接工具将从高速旋转的转子的远端面延伸的探针强制配合到待接合部件的接合部分中，然后将其移动探头销沿着接头部分通过摩擦搅拌焊接在接合部分处，其中转子或探针的磨损和弯曲以及构件的接合部分的热变形等等加盟被压制。解决方案：公开了摩擦搅拌焊接工具，其将从旋转转子11的远端面11a延伸的探针12压配合到待接合构件1的接合部1a中，然后将探针沿着接合部分引导以通过摩擦搅拌焊接在接合部分处接合的构件，其中至少与待接合构件接触的探针和转子的一部分由WC基胶合物含有5-18wt％的碳酸钙。版权所有（C）2005，JPO＆NCIPI

2. 发明专利

JP2011200955A Cutting tool 审中-公开
标题翻译：切割用具
公开(公告)号：JP2011200955A
公开(公告)日：2011-10-13
申请号：JP2010069209
申请日：2010-03-25
申请人： Dijet Industrial Co Ltd , ダイジ▲ェ▼ット工業株式会社
发明人： SAKAMOTO MASAKAZU , NAKATA TOSHIYA
IPC分类号： B23C5/10
摘要： PROBLEM TO BE SOLVED: To provide a cutting tool capable of stably performing cutting of a planar square shape such as a square hole having a corner part of a square shape for even a hard material to be cut such as steel.SOLUTION: This cutting tool 100 is mounted in a cutting device X including a mechanism for converting rotational movement of a rotary shaft into square shaft shape movement by at least two kinds of cams. The cutting tool 100 includes three bottom blades 103 at a distal end of a cutting portion 102 extended from a tool holding portion 101 of a substantially right triangular column shape. An outer peripheral distal end of each bottom blade is located on the same circumference. A line for connecting an axial center O and the outer peripheral distal end of each bottom blade and a line for connecting the axial center O and each apex angle portion of the tool holding portion 101 are made to coincide with each other on a plane. An outer peripheral relief angle θ of an outer peripheral blade is made more than 45° and 60° or below, and an outer rake angle α is made -10°or more and -40°or below. In the outer peripheral blade, a margin M of 0.02 mm or more is provided.
摘要翻译：要解决的问题：提供一种能够稳定地进行平面方形切割的切削工具，例如具有正方形的拐角部分的方形孔，用于即使是诸如钢的待切割的硬质材料。解决方案：该切削工具 100安装在包括用于通过至少两种凸轮将旋转轴的旋转运动转换成方形轴运动的机构的切割装置X中。切割工具100包括在从基本上为三角柱状的工具保持部分101延伸的切割部分102的远端处的三个底部叶片103。每个底部叶片的外周末端位于相同的圆周上。用于连接每个底部刀片的轴向中心O和外周末端的线和用于连接刀具保持部101的轴向中心O和每个顶角部的线用于在平面上彼此一致。外周叶片的外周角度角θ为45°以上且60°以下，外侧前角α为-10°以上-40°以下。在外周叶片中设置有0.02mm以上的余量M.

3. 发明专利

JP2002263935A TWIST DRILL 失效
公开(公告)号：JP2002263935A
公开(公告)日：2002-09-17
申请号：JP2001071461
申请日：2001-03-14
申请人： DIJET IND CO LTD
发明人： HAYAKAWA KAZUO , SAKAMOTO MASAKAZU
IPC分类号： B23B51/00
摘要： PROBLEM TO BE SOLVED: To provide a twist drill with tips using highly hard sintered bodies mounted at corners where main cutting edges at the end of a drill body and sub-cutting edges at the outer periphery edges of twist grooves provided in the drill body are joined together, preventing fracture resulting from fouling of chippings at joints between the main cutting edge of the drill body and the main cutting edge of the tip or the removal of the tips. SOLUTION: The twist drill comprises the plurality of twisted grooves 11 formed in the drill body 10 and the tips 20 using the highly hard sintered bodies mounted at the corners where the main cutting edges 12 at the end of the drill body and the sub-cutting edges 13 at the outer periphery edge of the twisted grooves are joined together, the main cutting edges of the drill body and the main cutting edges of the tips being joined together with at least two tips having different positions.

4. 发明专利

JPH06262422A THROW-AWAY TIP FOR CUTTING TOOL 失效
公开(公告)号：JPH06262422A
公开(公告)日：1994-09-20
申请号：JP7898293
申请日：1993-03-11
申请人： DIJET IND CO LTD
发明人： CHIYANO NAOAKI , SAKAMOTO MASAKAZU
IPC分类号： B23C5/08 , B23C5/20
摘要： PURPOSE:To greatly improve the cutting property and expand the effective range of a cutting edge of a tip by forming the cutting edge of the curved shape consisting of the projecting face and the planar relief surface on the corner part on the side surface of the planar tip. CONSTITUTION:A tip 1 of approximately rectangular shape to be fixed to a tip pocket of a side milling body by a mounting bolt is provided with projecting faces 11a-11d from the front surface side 12a to the rear surface side of the corner part in a diagonal manner. The planar faces are formed on the side surfaces 13c, 13d of four sides to form the cutting edges 15a-15d where the sides constituted of the faces 11a-11d and the relief surfaces are curved. Beveled parts 16a, 16b are provided on the front surface side 12a and the rear surface side of the tip 1 to prevent the chipping property of the tip 1, and to improve the mounting of the side milling body on the tip pocket. This constitution allows the initial cutting to be started from the points of the cutting edges 15a-15d, leading to the advancement of the cutting and the expansion of the cutting range.

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