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1. 发明专利

JP2001232563A GRINDING DEVICE, AND BALANCING METHOD FOR GRINDING WHEEL OF GRINDING DEVICE 失效
公开(公告)号：JP2001232563A
公开(公告)日：2001-08-28
申请号：JP2000104087
申请日：2000-02-18
申请人： OKAMOTO MACHINE TOOL WORKS , OHMIYA KOGYO CO LTD
发明人： MIYAJI KENJI , OKA HIDEJI , KITAMURA AKIRA , KIKUCHI MASATO , TAKAGI SATORU , DOBASHI ATSUSHI , MACHIDA TOSHISADA
IPC分类号： B23Q11/00 , B23F23/10 , B24B45/00
摘要： PROBLEM TO BE SOLVED: To provide a retrieval device capable of efficiently compensating unbalance of a rotary body such as a grinding wheel and a rotary shaft even if the grinding wheel has a complicated shape like a gear grinding device. SOLUTION: In this grinding device, the grinding wheel 3 having a cylindrical cavity for fitting in a central part is vertically fixed on a main shaft end 30 of a rotary shaft 20 of a rotary head by a flange 31. The grinding device is provided with balance compensation main mechanisms 33a, 33b attaching 2 or 3 balance pieces assembled in a grinding wheel fixing side and a grinding wheel rotation side of the rotary shaft across the grinding wheel and having a fixed radius (r) and a pair of annular grooves and a balance compensation submechanism 32 in which a pair of auto balancers 32a, 32b provided with a member having one set of balance pieces m1, m2, m3, m4 rotatable by a built-in DC motor on the same shaft core as a shaft core of the rotary shaft are independently provided inside the main shaft end of the rotary shaft positioned in the cylindrical cavity for fitting of the grinding wheel so as to divide the direction of thickness of the grinding wheel into two parts to compensate rotation balance of a grinding wheel shaft.

2. 发明专利

JP2007301642A Grooving method of crowing roll 有权
标题翻译：滚筒滚压方法
公开(公告)号：JP2007301642A
公开(公告)日：2007-11-22
申请号：JP2006129744
申请日：2006-05-09
申请人： Okamoto Machine Tool Works Ltd , 株式会社岡本工作機械製作所
发明人： MACHIDA TOSHISADA , ONOE TSUKIO , KIYAMA YUICHI
IPC分类号： B24B19/02 , B24B17/10
摘要： PROBLEM TO BE SOLVED: To manufacture a corrugating die by drawing a track approximating to outer circumferential drum-shaped curve of a crowning roll, or a workpiece, and grinding approximately linear grooves or arc grooves.
SOLUTION: A machining program using a molding grinding wheel as a tool and a threading cycle with a fixed lead [G33 code of JIS B6314] as a G function is made, and approximately parabolic grooves are ground around the outer circumferential face of the crowning roll by the relative movement of the crowning roll and the molding grinding wheel using a numerical control grinding device mounted with the machining program. The approximately parabolic groove is approximated to the drum shape of the crowing roll so that, even if a plurality of corrugated sheets or corrugated board sheets molded by a corrugated carton former having a pair of ground corrugating dies are loaded thereon, the crowning amount of the load central part is small so as to prevent collapse of loaded corrugated board sheets.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：通过拉伸近似于隆起辊或工件的外圆周鼓形曲线的轨道并且研磨大致直线的槽或弧槽来制造波纹模具。
解决方案：制造使用成型砂轮作为工具的加工程序和具有固定引线[JIS B6314]的G33代码作为G功能的螺纹循环，并且将近似的抛物线槽围绕使用安装有加工程序的数控磨削装置，通过冠状辊和成型砂轮的相对运动来进行冠状辊。近似的抛物线槽近似于鼓辊的鼓形状，使得即使在其上装载由具有一对地面波纹模具的瓦楞纸箱成形器成型的多个波纹板或波纹板片，负载中心部分小，以防止装载的瓦楞纸板塌陷。版权所有（C）2008，JPO＆INPIT

3. 发明专利

JP2003025147A Gear cutting device 审中-公开
标题翻译：齿轮切割装置
公开(公告)号：JP2003025147A
公开(公告)日：2003-01-29
申请号：JP2001220781
申请日：2001-07-23
申请人： Okamoto Machine Tool Works Ltd , 株式会社岡本工作機械製作所
发明人： KIKUCHI MASATO , KAWANISHI TADASHI , DOBASHI ATSUSHI , MACHIDA TOSHISADA
IPC分类号： B23F5/04
摘要： PROBLEM TO BE SOLVED: To provide a compact gear cutting device capable of manufacturing a gear of high pitch accuracy and excellent tooth profile.
SOLUTION: A rotation mechanism of both a spindle 122 and a work spindle of a screw-shaped grinding wheel 3 is a built-in motor comprising a rotor 122f and a stator 122g which are provided concentrically around a spindle 122b penetrating a space in a housing 122d, a rotary encoder 122i for detecting the number of revolution of the spindle is provided on a base end of the spindle to miniaturize the device.
COPYRIGHT: (C)2003,JPO
摘要翻译：要解决的问题：提供一种能够制造具有高螺距精度和优异齿廓的齿轮的紧凑型齿轮切割装置。解决方案：螺杆形砂轮3的主轴122和工作主轴的旋转机构是内置的电动机，其包括转子122f和定子122g，转子122f和定子122g同心地设置在心轴122b周围，穿过壳体中的空间 122d，用于检测主轴转数的旋转编码器122i设置在主轴的基端，以使装置小型化。

4. 发明专利

JP2000326141A ENGAGING METHOD FOR GEAR OF GEAR GRINDING MACHINE 失效
公开(公告)号：JP2000326141A
公开(公告)日：2000-11-28
申请号：JP13854299
申请日：1999-05-19
申请人： OKAMOTO MACHINE TOOL WORKS
发明人： KIKUCHI MASATO , TAKAGI SATORU , MACHIDA TOSHISADA
IPC分类号： B23F5/04
摘要： PROBLEM TO BE SOLVED: To provide a method for simply engaging a thread-like grinding wheel with a gear to be worked. SOLUTION: A gear to be worked 2 is simultaneously rotated with a grinding wheel 3. The rotation of the gear to be worked is accelerated to assure that the left tooth flank 22 of one tooth of the gear to be worked has kept into contact with a thread at its right tooth flank 32 of the grinding wheel by means of an ultrasonic sensor. Reading is applied to an angle (C+) to the central point o of the work axis of the gar to be worked, the right tooth flank of the m-th tooth of the contacted gear to be worked. The rotation of the gear to be worked is decelerated to assure that the right tooth flank 23 of one tooth of the gear to be worked has kept into contact with the thread at its left tooth flank 31 of the grinding wheel by means of the ultrasonic sensor. Reading is applied to an angle (C) to the central point o of the work shaft of the gear to be worked, the left tooth flank of the following m+1 th tooth of the contacted gear to be worked. Seconds of arc, α=C++C, is calculated to assign α/2 degrees as an engaging angle. The engaging position of the grinding wheel and the gear to be worked is the position rotated by α/2 agrees toward the right from the central point o of the work axis of the gear to be worked relative to the straight line running from the right tooth flank of the m-th tooth of the gear to be worked to the central point o of the work axis of the gear to be worked.

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