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公开(公告)号：JP2004112974A
公开(公告)日：2004-04-08
申请号：JP2002275217
申请日：2002-09-20
Inventor： TAGAMI KIYOSHI , KATSUSAWA YUKIO , MASUTANI OSAMU , OKA HIDEKI , FUKUDA MASAMIKI
CPC classification number: H02K3/38 , Y10T29/49009 , Y10T29/49011 , Y10T29/49012 , Y10T29/49071 , Y10T29/49073 , Y10T29/49075
Abstract: PROBLEM TO BE SOLVED: To provide an insulating method, by which coils between different phases are insulated reliably at the coil end root portion of a stator coil and en electric motor. SOLUTION: As the interphase insulating paper, an interphase insulating paper 1 is used on which an enclosing part 11 that wraps in-phase coils are formed, and two strip-shaped insertion parts 12a, 12b are formed, in such a way that their ends recede from a center line 1o of the enclosing part. The in-phase coils are wrapped by the enclosing part 11 of the interphase insulating paper 1, and the insertion parts 12a, 12b are inserted into the slots of a stator core, from which the wrapped coils are led out. The insertion parts 12a, 12b are held and pulled in from the slots side. With the insertion parts pulled in, the enclosing part 11 wraps the coils, in such a way as to expand. The displacement, coming-off, inclination and the like of the interphase insulating paper 1 can be prevent, and thereby the coils between the different phases are insulated reliably, because of the structures of gripping the insertion parts 12a, 12b by the slot walls and the coils, and wrapping the coils. COPYRIGHT: (C)2004,JPO
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公开(公告)号：JP2008176559A
公开(公告)日：2008-07-31
申请号：JP2007009298
申请日：2007-01-18
Inventor： MASUTANI OSAMU , OKA HIDEKI , FUKUDA MASAMIKI
IPC: G05B19/18
CPC classification number: G05B19/4061 , G05B2219/37634
Abstract: PROBLEM TO BE SOLVED: To quickly determine a cause of collision by grasping a specific circumstance of the collision.
SOLUTION: A control unit (10) for a machine tool comprises: at least one vibration detection means (31 to 33) attached to a main spindle portion (30) of a machine tool or a movable body moving relative to the main spindle portion (30), for example, a holding table for a workpiece; a storage means (11) for storing a vibration signal detected by the vibration detection means being related to operation information of the machine tool; a collision judgment means (12) for judging that a collision has occurred in the case where the vibration signal stored in the storage means exceeds a previously determined threshold value when comparing the vibration signal with the threshold value; and an output means (13) for outputting the vibration signal at the time of judging the occurring of the collision and also outputting the operation information stored in the storage means related to the vibration signal in the case where the collision judgment means judges that the collision has occurred.
COPYRIGHT: (C)2008,JPO&INPITAbstract translation: 要解决的问题：通过抓住碰撞的具体情况来快速确定碰撞的原因。 解决方案：一种用于机床的控制单元（10）包括：至少一个振动检测装置（31至33），其连接到机床的主轴部分（30）或相对于主体移动的可移动体 主轴部（30），例如用于工件的保持台; 存储装置，用于存储与所述机床的操作信息相关的由所述振动检测装置检测的振动信号; 在将振动信号与阈值进行比较时，在存储装置中存储的振动信号超过预先确定的阈值的情况下，判定发生碰撞的碰撞判断装置（12） 以及输出装置（13），用于在判断碰撞发生时输出振动信号，并且在碰撞判断装置判断出碰撞的情况下还输出存储在与振动信号有关的存储装置中的操作信息 已经发生了。 版权所有（C）2008，JPO＆INPIT
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公开(公告)号：JP2006138756A
公开(公告)日：2006-06-01
申请号：JP2004329003
申请日：2004-11-12
Inventor： MASUTANI OSAMU , OKA HIDEKI
IPC: G01L5/00
CPC classification number: G01P15/0891 , B23Q17/12 , F16P7/00 , G01H1/003 , G01P15/04 , G05B2219/37634
Abstract: PROBLEM TO BE SOLVED: To provide an inexpensive impact detection device which surely detects a collision of an object.
SOLUTION: The impact detection device 11 comprises a vibration sensor 13 attached to the object, a receiving section 15 for receiving an output signal from the vibration sensor 13, a peak hold circuit 17 for holding the maximum value out of successive output signals received by the receiving section 15 as a peak value, and an output section 19 for outputting the peak value held by the peak hold circuit 17 as data for deciding a collision of the object.
COPYRIGHT: (C)2006,JPO&NCIPIAbstract translation: 要解决的问题：提供一种廉价的冲击检测装置，其可靠地检测物体的碰撞。 冲击检测装置11包括附接到物体的振动传感器13，用于接收来自振动传感器13的输出信号的接收部分15，用于保持连续输出信号中的最大值的峰值保持电路17 由接收部分15接收的峰值作为峰值，以及输出部分19，用于输出由峰值保持电路17保持的峰值作为用于确定对象的碰撞的数据。 版权所有（C）2006，JPO＆NCIPI
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公开(公告)号：JP2001238414A
公开(公告)日：2001-08-31
申请号：JP2000047143
申请日：2000-02-24
Applicant: FANUC LTD
Inventor： KATSUSAWA YUKIO , MASUTANI OSAMU , TAGAMI KIYOSHI , OKA HIDEKI
IPC: H02K15/085 , H02K15/06
Abstract: PROBLEM TO BE SOLVED: To obtain a coil inserter, capable of avoiding locking phenomenon for clogging a coil with a simple mechanism and a small size. SOLUTION: A wedge guide 12 for holding a wedge 11 is mounted at a base 10, and a stripper 15 is fixed at the other end. A blade holder 13, in which a plurality of blades 16 are erected is held movably vertically and telescopically. A wound coil 30 is inserted between the blades 16, and an alignment tool 7 is inserted to leading ends of the blades. A stator core 40 is inserted into the tool 7, and the core is moved, until the end of the blade 16 is passed through the core 40. Thereafter, a coupling bar 19, having the core 40 and the other end mounted at the holder 13, is pressed by a stator pusher 50 to move the holder 13 together with the core 40, and the coil 30 is inserted into the stator core.
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Patent Agency Ranking
公开(公告)号：JP2580050B2
公开(公告)日：1997-02-12
申请号：JP29975289
申请日：1989-11-20
Applicant: FANUC LTD
Inventor： NAKAMURA ATSUO , HAYASHI YOSHUKI , NUMAI KAZUHISA , KIMIJIMA MASAMI , OKA HIDEKI , MAEDA HISASHI
IPC: B23Q3/157
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公开(公告)号：JPH03161234A
公开(公告)日：1991-07-11
申请号：JP29975289
申请日：1989-11-20
Applicant: FANUC LTD
Inventor： NAKAMURA ATSUO , HAYASHI YOSHIYUKI , NUMAI KAZUHISA , KIMIJIMA MASAMI , OKA HIDEKI , MAEDA HISASHI
IPC: B23Q3/157
Abstract: PURPOSE:To shorten the exchanging time without requiring to stop rotation of a main spindle and improve the operation efficiency of a machine tool by synchronizingly rotating an exchanging tool or a tool housing at a tool exchange for a tool main spindle of ended working, and making relative stopped condition between both. CONSTITUTION:By mutually approaching a tool main spindle 14 and a tool magazine 32 in the vertical direction and simultaneously synchronizingly rotating a tool housing 34 in the same direction, relative stopping condition between the main spindle 14 and the housing 34 is established. Next, after approaching both, a tool 20 is dropped and fixed in the empty housing 34 by releasing the tool 20 mounted on the tool mounting part 14b of the main spindle 14 under a draw bar 18. Mutually approaching a next housing 34 receiving a tool 20 to be used and the main spindle 14, rotating speed of both are synchronized, and by further approaching the taper shank 20a and the pull stud 20b of the tool 20 in the housing 34 are introduced into the tool mounting part 14b of the main spindle 14. Nextly, at reaching the condition capable of mounting, the tool 20 is mounted on the tool mounting part 14b of the main spindle 14 by releasing pushdown of the draw bar 18.
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公开(公告)号：JPH07177689A
公开(公告)日：1995-07-14
申请号：JP31996793
申请日：1993-12-20
Applicant: FANUC LTD
Inventor： NAKAMURA ATSUO , NUMAI KAZUHISA , OKA HIDEKI , SEKI TOMOHIRO
Abstract: PURPOSE:To provide a motor having a ventilation path for cooling in the stator made of a laminate of a plurality of electromagnetic steel plates in which the efficiency of cooling structure is enhanced by reducing heat to be radiated to the outside. CONSTITUTION:Vent parts 51-54 for ventilation path are made at four corners on the outside of an electromagnetic steel plate 21. Three ribs 51a are formed, for example, at the vent part 51 and total five vents 51b are made between these ribs 51a and a bolt hole 55a. Width delta1 of the rib 51a is designed at 2.5 mm or thereabout which is narrower than the conventional width of 3.5 mm or thereabout. Vents 51b1, 51b2 are made at the opposite ends of the vent 51b while extending thin toward the outside. Similarly, other vent parts 52-52 are provided with three ribs 52a-54a and five vents 52b-54b of identical shape, respectively.
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公开(公告)号：JPH0382356A
公开(公告)日：1991-04-08
申请号：JP21409989
申请日：1989-08-22
Applicant: FANUC LTD
Inventor： NAKAMURA ATSUO , HAYASHI YOSHIYUKI , NUMAI KAZUHISA , KIMIJIMA MASAMI , OKA HIDEKI
Abstract: PURPOSE:To prevent the drop of output torque and the seizure by hollowly forming an output shaft to which a rotor is attached, and circulating cooling gas inside the hollow output shaft. CONSTITUTION:A stator 20 is attached to the inside periphery of a central housing 18 constituting a motor housing 16, and this central housing 18 is constituted in a jacket mode, and a passage 19 is provided inside, so the generated heat of the stator 20 is cooled by letting cooling fluid flow inside the passage 19. On the other hand, to the output shaft 12 wherein a hollow hole 13 is made through, a rotor 10 is fixed through a sleeve 24, and the output shaft 12 is supported through a bearing 14 before and behind the housing 16, whereby the rotation of the rotor 10 becomes possible. A fan 26 for circulating cooling gas, for example the air, inside the hollow hole 13 is attached to cool it from inside the output shaft 12, whereby the rotor 10 is cooled directly by heat conduction and at the same time the bearing is also cooled.
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公开(公告)号：JPH04138050A
公开(公告)日：1992-05-12
申请号：JP25537990
申请日：1990-09-27
Applicant: FANUC LTD
Inventor： NAKAMURA ATSUO , HAYASHI YOSHIYUKI , OKA HIDEKI
Abstract: PURPOSE:To efficiently cool off a main spindle by installing a ring-shaped member made of a permanent magnet in a gap provided around the periphery of the main spindle and filling up said gap with a magnetic fluid. CONSTITUTION:A permanent magnet is installed along the inner periphery of a cylindrical housing 16 of main spindle, and a ring-shaped member 18 magnetized in the thickness direction corresponding to the longitudinal direction of a main spindle 10. This ring-shaped member 18 is installed while maintaining a proper clearance from the main spindle 10, and this space is filled up with a fluid containing powder of iron oxide. On the other hand, at the cylindrical housing of 16 of the main spindle, a path 22 for cooling fluid is located near the outer periphery of the ring-shaped member 18. A plurality of paths 22 are provided in the longitudinal direction of the cylindrical housing 16 of the main spindle. The respective paths are connected together at the tip end portions by a communicating tube 22a, and respective paths and communicating tube function as outgoing and returning paths for the cooling liquid. By doing this, heat exchange between the main spindle and magnetic fluid can efficiently be performed and thus the main spindle can effectively be cooled.
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