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1. 发明专利

JP2004202957A Milling-cutter and positioning gauge for the same 审中-公开
标题翻译：铣刀和定位仪
公开(公告)号：JP2004202957A
公开(公告)日：2004-07-22
申请号：JP2002376926
申请日：2002-12-26
申请人： Kanefusa Corp , 兼房株式会社
发明人： OZAWA HIDETO
IPC分类号： B27G13/02 , B27G13/04
CPC分类号： B27G13/04
摘要： PROBLEM TO BE SOLVED: To replace a blade accurately and readily, while securing the rigidity of a protruded body at the end part of a milling-cutter.
SOLUTION: The milling-cutter 10 has, on the outer peripheral face between opposite ends of a cylindrical body 11, a spirally shaped protruded body 13 formed by lathing out at least one thread of spiral groove 12, a cutout part 16 formed by cutting out the protruded body in roughly an axial direction at a plurality of sections in the longitudinal direction of the protruded body, and a chip 17 which is detachably fitted to the cutout part and has a cutter blade projecting from the outer peripheral face of the body. Linear parts 14 extending at rightangle to the center axis are provided at plural sections in the longitudinal direction of the protruded body. The cutout sections are provided on the forward side in the rotation direction of the body in the linear parts.
COPYRIGHT: (C)2004,JPO&NCIPI
摘要翻译：要解决的问题：在确保铣刀的端部处的突出体的刚性的同时，准确且容易地更换刀片。解决方案：铣刀10在圆筒体11的相对端的外周面上具有通过使至少一个螺旋槽12的螺纹线板形成的螺旋形突出体13，形成有切口部16 通过在突出体的长度方向上的多个部分沿大致轴向切出突出体，以及可拆卸地装配到切口部的切屑17，并且具有从外周面突出的切割刀片身体。沿着突出体的长度方向的多个部分设置有以直角延伸至中心轴线的直线部分14。切口部分沿直线部分的主体的旋转方向设置在前侧。版权所有（C）2004，JPO＆NCIPI

2. 发明专利

JP2012228842A Cutting blade and rotary cutting tool 审中-公开
标题翻译：切割刀片和旋转切割工具
公开(公告)号：JP2012228842A
公开(公告)日：2012-11-22
申请号：JP2011099566
申请日：2011-04-27
申请人： Kanefusa Corp , 兼房株式会社
发明人： NISHIO SATORU , OZAWA HIDETO , MUTO EISUKE
IPC分类号： B27G13/04 , B23C5/04
CPC分类号： B27G13/04 , B27G13/02
摘要： PROBLEM TO BE SOLVED: To provide a cutting blade capable of improving bending rigidity of the entire cutting blade while reducing the thickness of the blade to reduce the quantity of a blade material.SOLUTION: The blade 21 is an approximately 0.5 mm thick, nearly rectangular, elongated and plastically deformable thin sheet having a base material comprising a steel material, a cemented carbide or a steel material whose cutting edge alone is made of cemented carbide. Since use of costly materials can be reduced, costs of the blade 21 are reduced. A relief angle from a flank face 21b of the blade 21 is 0°. A prescribed region including a cutting edge of a cutting face 21d of the blade 21 is coated with a hard chromium nitride film 22. The blade 21 is mounted to a mounting groove 13 on a tool body 11 to be bent in a direction opposite to the rotating direction. Since twist angles of both edge surface 11a, 11b sides of the blade 21 are positive and negative, the depth of the blade 21 is secured in a circumferential direction, and the bending rigidity of the blade 21 can be improved more than the bending rigidity of the blade 21 itself that is not bent.
摘要翻译：要解决的问题：提供一种能够改善整个切割刀片的弯曲刚度的刀片，同时减小刀片的厚度以减少刀片材料的数量。解决方案：刀片21是约0.5mm厚，近似矩形，细长且可塑性变形的薄片，其具有包括钢材，硬质合金或钢材的基材，其切削刃单独由硬质合金制成。由于可以降低使用昂贵的材料，所以叶片21的成本降低。来自刀片21的侧面21b的摆角为0°。包括刀片21的切割面21d的切割刃的规定区域涂覆有硬质氮化铬膜22.刀片21安装在工具主体11上的安装槽13中，以沿与刀片21相反的方向弯曲旋转方向。由于叶片21的边缘面11a，11b侧的扭转角是正的和负的，所以叶片21的深度在圆周方向上被固定，并且叶片21的弯曲刚度可以比弯曲刚度高刀片21本身不弯曲。版权所有（C）2013，JPO＆INPIT

3. 发明专利

JP2012228841A Rotary cutting tool 审中-公开
标题翻译：旋转切割工具
公开(公告)号：JP2012228841A
公开(公告)日：2012-11-22
申请号：JP2011099557
申请日：2011-04-27
申请人： Kanefusa Corp , 兼房株式会社
发明人： OZAWA HIDETO , NISHIO SATORU
IPC分类号： B27G13/02 , B23C5/04
CPC分类号： B27G13/04 , B27G13/02
摘要： PROBLEM TO BE SOLVED: To provide a rotary cutting tool which can raise the flexural rigidity of an entire blade, even if the blade is thin.SOLUTION: A cutter head 10 for woodwork is provided with attachment grooves 13 at four locations along the outer perimeter of a body 11 in the circumferential direction. The attachment grooves 13 are slightly curved outward in the direction opposite from the rotary direction R of the body 11, and opposing sides of the body 11 are symmetrical in shape. A blade 21 and a pressing fitting 24 are mounted to each attachment groove 13. The blades 21 are made of steel or cemented carbide, and are elastically deformable long, thin plates having a substantially rectangular shape with a thickness of approximately 0.5 mm. These blades are fixed to curve in an arc shape in the direction opposite from the rotary direction R and match the shape of the attachment groove 13. A twist angle, which is the inclination angle of the outer circumferential surface of the body 11 of the cutting blade 21c with respect to the mandrel, is a negative twist angle that varies in curve at one end surface 11a side of the body 11, and is a positive twist angle that varies in curve at the other end surface 11b side.
摘要翻译：要解决的问题：即使叶片较薄，也可提供能够提高整个叶片的抗弯刚度的旋转切削工具。解决方案：用于木工的刀头10在沿着圆周方向的主体11的外周的四个位置处设置有附接槽13。安装槽13在与主体11的旋转方向R相反的方向上稍微向外弯曲，并且主体11的相对侧的形状是对称的。叶片21和按压配件24安装到每个连接槽13上。叶片21由钢或硬质合金制成，并且是具有约0.5mm厚度的具有基本矩形形状的可弹性变形的长薄板。这些刀片被固定成与旋转方向R相反的方向成弧形地弯曲，并与安装槽13的形状相匹配。作为切割体11的外周面的倾斜角度的扭转角度相对于心轴的刀片21c是在主体11的一个端面11a侧的曲线变化的负扭转角，并且是在另一端面11b侧的曲线变化的正扭转角。版权所有（C）2013，JPO＆INPIT

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