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1. 发明专利

JP2009202302A Center hole drill 审中-公开
标题翻译：中心孔钻
公开(公告)号：JP2009202302A
公开(公告)日：2009-09-10
申请号：JP2008048495
申请日：2008-02-28
申请人： Yamawa Precision:Kk , Yamawa Seisakusho:Kk , 株式会社彌満和プレシジョン , 株式会社彌満和製作所
发明人： TAKEDA SHINSUKE , INOMATA KAZUMI
IPC分类号： B23B51/00
摘要： PROBLEM TO BE SOLVED: To improve cutting performance of a drill part by making a twisted angle of the drill part larger, while suppressing a twisted angle of a twisted groove of a center hole drilling part not to make a cutting edge angle of the center hole drilling part too sharp.
SOLUTION: This center hole drill 1 is successively provided with the drill part 2 and the center hole drilling part 3 and is provided with the twisted groove 4. In the center hole drill 1, a lead of the twisted groove 4 of the drill part 2 is smaller than that of the twisted groove 4 of the center hole drilling part 3.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了通过使钻头部分的扭转角度更大而提高钻头部件的切削性能，同时抑制中心孔钻削部件的扭曲槽的扭曲角度不能使切削刃角度中心钻孔部分太尖锐。解决方案：该中心孔钻头1依次设置有钻头部分2和中心钻孔部分3，并且设置有扭曲凹槽4.在中心钻孔机1中，钻头部分2比中心钻孔部分3的扭曲槽4小。版权所有：（C）2009，JPO＆INPIT

2. 发明专利

JP2006159363A Cold forming tap 审中-公开
标题翻译：冷成型
公开(公告)号：JP2006159363A
公开(公告)日：2006-06-22
申请号：JP2004356322
申请日：2004-12-09
申请人： Yamawa Seiki Kogyo Kk , Yamawa Seisakusho:Kk , 彌満和精機工業株式会社 , 株式会社彌満和製作所
发明人： ISHIKAWA HIROSHI , WATABE MASAAKI , TAKEDA SHINSUKE , SASAKI MARIKO , SATOU YUUYA
IPC分类号： B23G7/00
摘要： PROBLEM TO BE SOLVED: To provide a cold forming tap which can minimize a seam occurring on an inlet side of an internal thread portion machined by the cold forming tap, in order to prevent formation of defective clamping or damage of the internal thread portion due to squeezing of a screw thread of a bolt into a large seam.
SOLUTION: According to the structure of the cold forming tap, the seam occurring at a defective thread portion on the inlet side of the internal thread portion which is cold-formed by a parallel thread portion 5 of the cold forming tap 1, is cold-formed again by a cold re-forming thread portion 6 which is larger than the parallel thread portion 5, to thereby minimize the seam at the internal thread inlet portion.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种冷成型丝锥，其可以使由冷成形丝锥加工的内螺纹部分的入口侧上产生的接缝最小化，以防止形成夹紧或损坏内螺纹由于将螺栓的螺纹挤压成大的接缝部分。解决方案：根据冷成型龙头的结构，在由冷成型丝锥1的平行螺纹部5冷成形的内螺纹部的入口侧的缺陷螺纹部分处发生接缝，通过比平行螺纹部分5大的冷再成形螺纹部分6再次冷成型，从而使内螺纹进口部分处的接缝最小化。版权所有（C）2006，JPO＆NCIPI

3. 发明专利

JP2004174607A Cold forming tap 审中-公开
公开(公告)号：JP2004174607A
公开(公告)日：2004-06-24
申请号：JP2002339812
申请日：2002-11-22
申请人： Yamawa Seiki Kogyo Kk , Yamawa Seisakusho:Kk , 彌満和精機工業株式会社 , 株式会社彌満和製作所
发明人： ENDO HISASHI , SATOU YUUYA , TAKEDA SHINSUKE , WATABE MASAAKI
IPC分类号： B23G5/06
摘要： PROBLEM TO BE SOLVED: To provide a cold forming tap, reduced in tapping torque and preventing generation of heat and welding.
SOLUTION: In this cold forming tap, a screw part 2 includes: a tapered lead in part 3 and a parallel screw part 4 connected to the lead in part. The parallel screw part 4 is provided with a cold forming stable part 4a adjacent to the lead in part 3 to stabilize the cold forming, and a guide part 4b in the rear of the cold forming stable part 4a. The guide part 4b is made smaller than the cold forming stable part 4a by screw diameter dimensional difference from 0.03 mm to 0.08 mm both inclusive.
COPYRIGHT: (C)2004,JPO

4. 发明专利

JP2004114223A Cold forming tap equipped with guide 审中-公开
公开(公告)号：JP2004114223A
公开(公告)日：2004-04-15
申请号：JP2002280206
申请日：2002-09-26
申请人： Yamawa Seiki Kogyo Kk , Yamawa Seisakusho:Kk , 彌満和精機工業株式会社 , 株式会社彌満和製作所
发明人： TAKEDA SHINSUKE , ENDO HISASHI
IPC分类号： B23G5/06
摘要： PROBLEM TO BE SOLVED: To provide a cold forming tap equipped with a guide, which machines a female screw with little wobbling even in a blind hole, by shortening the length of a guide portion.
SOLUTION: The cold forming tap 1 has a chamfer portion 3 consisting of the guide portion 5 having its outer diameter conforming to the diameter of a prepared hole, and a cold forming portion 6 having a tapered shape. By virtue of the structure of the cold forming tap 1, even in the blind hole which is small in allowance with respect to the depth of the prepared hole and the depth of the female screw, screw machining causing little wobbling between the prepared hole and the female screw is achieved.
COPYRIGHT: (C)2004,JPO

5. 发明专利

JP2005059085A Forming method of screw with locking function and plastic forming tool to form the screw 有权
标题翻译：具有锁定功能的螺丝的形成方法和塑料成型工具形成螺杆
公开(公告)号：JP2005059085A
公开(公告)日：2005-03-10
申请号：JP2003295942
申请日：2003-08-20
申请人： Yamawa Seiki Kogyo Kk , Yamawa Seisakusho:Kk , 彌満和精機工業株式会社 , 株式会社彌満和製作所
发明人： TAKEDA SHINSUKE , SATOU YUUYA
IPC分类号： F16B39/30 , B21H3/08
摘要： PROBLEM TO BE SOLVED: To form a screw which performs a locking function without fail.
SOLUTION: A female screw material is pressed by a tool thread of a cold forming tap 1 to cold-form a pair of projected ribs while the ribs are drawn near to become like one thread. The thread is formed releasing at least one of the projected ribs to a relief part 9 ranging from a thread angle changing point CP to the vicinity of a bottom of thread groove 6, while the point CP locates between a point of effective diameter d2 on both flank faces 7, 8 of the tool thread and a point of the maximum female screw inside diameter allowance D1m of a female screw to be formed engaging with the tool screw. The female screw forming method is characterized in that a portion with a smaller thread angle than the regular angle is formed on the projected rib constituting both flank faces of the thread from the thread angle changing point closer to the thread top than the effective diameter to the vicinity of the thread top.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：形成执行锁定功能的螺钉。解决方案：内螺纹材料被冷成形龙头1的工具螺纹挤压，以冷却形成一对突出的肋，同时肋被拉近以变得像一根螺纹。螺纹被形成为将至少一个突出的肋释放到从螺纹角度改变点CP到螺纹槽6的底部附近的释放部分9，同时点CP位于两个有效直径d2的点之间工具螺纹的两侧面7,8和与工具螺钉啮合的内螺纹的最大内螺纹内径允许量D1m的点。内螺纹成形方法的特征在于，在构成螺纹的两个侧面的突出肋上形成的螺纹角小于正规角度的部分从更靠近螺纹角的螺纹角度变化点大于有效直径螺纹顶部附近。版权所有（C）2005，JPO＆NCIPI

6. 发明专利

JP2004314231A Thread forming tap 审中-公开
公开(公告)号：JP2004314231A
公开(公告)日：2004-11-11
申请号：JP2003111021
申请日：2003-04-16
申请人： Yamawa Seiki Kogyo Kk , Yamawa Seisakusho:Kk , 彌満和精機工業株式会社 , 株式会社彌満和製作所
发明人： WATABE MASAAKI , TAKEDA SHINSUKE , SATOU YUUYA
IPC分类号： B23G7/02 , B23G5/06
摘要： PROBLEM TO BE SOLVED: To provide a thread forming tap which increases a tool life by changing an increase in a screw size between a screw thread in a bevel lead. SOLUTION: In a bevel lead of a thread forming tap, an increase in a screw size between a screw thread has been constant. However, the drag in thread forming applied to the screw thread in parallel thread is large, which causes abrasion and reduces a tool life. The thread forming tap changes an increase in the screw size between the screw thread of the bevel lead to disperse the drag in thread forming applied to the screw thread, thereby reducing the abrasion of the screw thread and extending the tool life. COPYRIGHT: (C)2005,JPO&NCIPI

7. 发明专利

JP2004001103A Thread forming tap 审中-公开
公开(公告)号：JP2004001103A
公开(公告)日：2004-01-08
申请号：JP2002106933
申请日：2002-04-09
申请人： Yamawa Seisakusho:Kk , 株式会社彌満和製作所
发明人： TAKEDA SHINSUKE , WATABE MASAAKI
IPC分类号： B23G5/06 , B21H3/06
摘要： PROBLEM TO BE SOLVED: To provide a thread forming tap with a stable lifetime by preventing the threads of the tap from being chipped.
SOLUTION: The thread forming tap 1 has a screw part 2 with a tapered bevel lead 3 whose tip is narrower and a parallel screw part 4 continuous to the bevel lead 3. By making the thread top cut height of the bevel lead 3 higher than the thread top cut height of the parallel screw part 4, the thread forming resistance in a part near the intersection point of the bevel lead 3 and the parallel screw part 4 where chipping of the screw threads may be easily generated is reduced, so that chipping of the screw threads in the thread forming tap is prevented.
COPYRIGHT: (C)2004,JPO

8. 发明专利

JP2010105077A Center hole drill 审中-公开
标题翻译：中心孔钻
公开(公告)号：JP2010105077A
公开(公告)日：2010-05-13
申请号：JP2008277208
申请日：2008-10-28
申请人： Yamawa Precision:Kk , Yamawa Seisakusho:Kk , 株式会社彌満和プレシジョン , 株式会社彌満和製作所
发明人： TAKEDA SHINSUKE , INOMATA KAZUMI
IPC分类号： B23B51/00
摘要： PROBLEM TO BE SOLVED: To provide a center hole drill capable of carrying out hole cutting processing using the center hole drill under the same hole cutting processing condition as that of a conventional center hole drill, and reducing grinding time and manufacturing the center hole drill at a lower cost by reducing the grinding amount of the flank of a drill part and a counter bore part when manufacturing the center hole drill by reducing the runout amount of the flank arranged at the drill part and the counter bore part.
SOLUTION: The runout amount of the flank arranged at the drill part and counter bore part of the center hole drill is determined to an extent that the flank does not interfere with a material to be cut during hole cutting processing using the center hole drill. The runout amount of the flank arranged at the drill part and the counter bore part is not continued to increase from a cutting blade till a heel. The increase of the runout amount of the flank arranged at the drill part and the counter bore part is stopped on a half way between the cutting blade and the heel to generate a fixed value.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够在与常规中心孔钻相同的孔切割加工条件下使用中心孔钻进行孔切割加工的中心孔钻头，并且减少研磨时间并制造中心在通过减少设置在钻头部分和反向孔部分的侧面的跳动量来制造中心孔钻头时，通过减小钻头部分和钻孔部分的侧面的磨削量来降低成本的钻孔。解决方案：设置在中心孔钻头的钻头部分和反向孔部分的侧面的跳动量被确定为在使用中心孔的孔切削加工期间侧面不干扰待切割材料的程度钻头。设置在钻头部分和反向孔部分的侧面的跳动量不会从切割刀片继续增加到跟部。设置在钻头部分和反向孔部分的侧面的跳动量的增加在切割刀片和跟部之间的中途停止以产生固定值。版权所有（C）2010，JPO＆INPIT

9. 发明专利

JP2004276085A Torque reductive cold forming tap 有权
公开(公告)号：JP2004276085A
公开(公告)日：2004-10-07
申请号：JP2003072954
申请日：2003-03-18
申请人： Yamawa Seiki Kogyo Kk , Yamawa Seisakusho:Kk , 彌満和精機工業株式会社 , 株式会社彌満和製作所
发明人： WATABE MASAAKI , YAMAKAWA YOSHIO , TAKEDA SHINSUKE , SATOU YUUYA
IPC分类号： B23G5/06 , B21H3/10
摘要： PROBLEM TO BE SOLVED: To provide a cold forming tap which improves a tool life through reduction of working torque.
SOLUTION: In a profile of a projected part of a cold forming tap, an exact round part (margin) is arranged to stabilize cold forming. The exact round part causes a larger friction resistance, which increases the working torque, causes occurrence of melting and sticking to the tap and affects the tool life. The new cold forming tap has a small relief angle in the part corresponding to the exact round part, which can reduce the working torque and extend the tool life.
COPYRIGHT: (C)2005,JPO&NCIPI

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