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1. 发明专利

JP2005199428A Blade exchanging type chip and fixing structure for round chip 审中-公开
标题翻译：叶片交换型芯片和固定结构
公开(公告)号：JP2005199428A
公开(公告)日：2005-07-28
申请号：JP2005106658
申请日：2005-04-01
申请人： Sumitomo Electric Ind Ltd , 住友電気工業株式会社
发明人： GOTO MITSUHIRO , KUKINO AKIRA , KURODA YOSHIHIRO , KANDA TAKASHI
IPC分类号： B23B27/16 , B23B27/00 , B23B27/20
CPC分类号： B23B27/1622 , B23B2200/0461 , B23B2200/3618 , B23B2260/03 , B23B2265/322
摘要： PROBLEM TO BE SOLVED: To provide a fixing method for a blade exchanging type tip by which a round chip can be rotated by a fixed rotation angle in order to reuse a used blade portion and to avoid disposal of a blade while it is remained in an unused condition. SOLUTION: The fixing structure for the blade exchanging type tip has a depression of a reverse truncated pyramid shape in a rake face and has an angle θ made by the flank of the reverse truncated pyramid and the rake face being 30 to 85 degrees. A round chip 1 is fixed by a holder 14 and a pressing tool 10. The holder 14 has a screw hole 15 for a cap screw, a first sliding face 12 for fixing the round chip and a notch for retaining the round chip at a tip. The round chip pressing tool 10 has a round head drawing pin 13, a long hole 16 for the cap screw and a second sliding face 12' for fixing the round chip. When the round chip pressing 10 is tightened in the holder 14 with the cap screw 11, the pressing tool 10 is moved downward and backward along the first sliding face 12, the pressure welding of the second sliding face 12' and the first sliding face 12 is carried out, and the round chip 1 is retained firmly. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种用于刀片更换型刀头的定影方法，通过该固定方法可以使圆形刀片能够旋转固定的旋转角度，以便重新使用所使用的刀片部分，并且避免刀片处于保持在未使用状态。解决方案：刀片更换型刀片的固定结构在前刀面中具有倒棱锥形倒角，并且具有由倒棱锥面的侧面形成的角度θ，前刀面为30〜85度。圆形芯片1由保持器14和按压工具10固定。保持器14具有用于盖螺钉的螺纹孔15，用于固定圆形芯片的第一滑动面12和用于将圆形芯片保持在尖端的凹口。圆片压制工具10具有圆头拉拔销13，用于盖螺钉的长孔16和用于固定圆形芯片的第二滑动面12'。当使用盖螺钉11将圆片10按压在保持件14中时，按压工具10沿着第一滑动面12向下而向后移动，第二滑动面12'和第一滑动面12 并且圆片1被牢固地保持。版权所有（C）2005，JPO＆NCIPI

2. 发明专利

JP2004090192A End mill and its manufacturing method 审中-公开
公开(公告)号：JP2004090192A
公开(公告)日：2004-03-25
申请号：JP2002257117
申请日：2002-09-02
申请人： Sumitomo Electric Ind Ltd , 住友電気工業株式会社
发明人： KANDA TAKASHI
IPC分类号： B23C5/10
摘要： PROBLEM TO BE SOLVED: To provide an end-mill-like tool using an ultra-high pressure sintered body with improved blade vibration, outer diameter dimension accuracy of the tool, and surface roughness by burnishing, causing no chattering.
SOLUTION: The end mill employs the ultra-high pressure sintered body 2, the sintered body 2 is joined to a support section 12, the end mill has an outer peripheral round land connecting to 6 or more twisted cutting edges, and core thickness ratio is 80 to 95%. Especially, the surface roughness Rz of the outer peripheral round land is 0.5 μm or less. Such end mill provides a tool having high dimension accuracy and no run-out, by grinding the outer periphery of a hard sintered body material 11 and then forming the cutting edge.
COPYRIGHT: (C)2004,JPO

3. 发明专利

JP2004122262A Edge replaceable chip and fixing structure of circular chip 有权
公开(公告)号：JP2004122262A
公开(公告)日：2004-04-22
申请号：JP2002287707
申请日：2002-09-30
申请人： Sumitomo Electric Ind Ltd , 住友電気工業株式会社
发明人： GOTO MITSUHIRO , KUKINO AKIRA , KURODA YOSHIHIRO , KANDA TAKASHI
IPC分类号： B23B27/16 , B23B27/00 , B23B27/14
摘要： PROBLEM TO BE SOLVED: To provide an edge replaceable chip rotating a circular chip at a fixed rotation angle for avoiding to reuse a spent cutting edge part and to dispose it with a cutting edge left unused.
SOLUTION: This edge replaceable chip is provided with an inverse truncated pyramid recess in a cutting face 2 and an angle θ of 30°-85° formed between a slant face and the cutting face 2 of the inverse truncated pyramid. This circular chip 1 is fixed by a holder and a presser. The holder is provided with a screw hole for a cap screw, a first sliding surface for fixing the circular chip and a notch for holding the circular chip formed in its tip. The circular chip presser is provided with a circular chip lead-in pin, a long hole for the cap screw and a second sliding surface for fixing the circular chip. When the circular chip presser is fastened to the holder by the cap screw, the presser moves downward and rearward along the first sliding surface to press-contact the first sliding surface and the second sliding surface and firmly hold the circular chip.
COPYRIGHT: (C)2004,JPO

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