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    • 11. 发明授权
    • Method of creating a robot motion program
    • 创建机器人运动程序的方法
    • US5485552A
    • 1996-01-16
    • US272637
    • 1994-07-11
    • Tohru MizunoTatsuo KarakamaRyo NiheiTakenobu Miura
    • Tohru MizunoTatsuo KarakamaRyo NiheiTakenobu Miura
    • B25J9/16G05B19/4093G05B19/42
    • G05B19/40936B25J9/1658Y02P90/265
    • A method of teaching a robot motion program, which facilitates the preparation of programs, and in which a required one of a plurality standard motion programs for operating a robot in accordance with stereotyped motion patterns is read from a memory of a robot control device and displayed on a display screen of a teaching control panel. An operator operates the teaching control panel to add, though the display screen, position and speed data etc. to the standard motion program, or modify, through the display screen, the data previously described in the standard motion program, whereby a motion program for a robot operation to be performed in accordance with a sterotyped motion pattern or a pattern similar thereto can be created easily.
    • 一种教导机器人运动程序的方法,其便于准备程序,并且其中根据定型运动模式操作机器人的多个标准运动程序中所需的一个标准运动程序从机器人控制装置的存储器读取并显示 在教学控制面板的显示屏上。 操作员操作教学控制面板,通过显示画面将位置和速度数据等添加到标准运动程序中,或者通过显示屏幕修改先前在标准运动程序中描述的数据,由此运动程序用于 可以容易地创建要根据定型运动模式或与其类似的模式执行的机器人操作。
    • 12. 发明授权
    • Position teaching method for a robot
    • 机器人的位置教学方法
    • US5479078A
    • 1995-12-26
    • US244862
    • 1994-06-16
    • Tatsuo KarakamaYoshitaka IkedaAtsushi Watanabe
    • Tatsuo KarakamaYoshitaka IkedaAtsushi Watanabe
    • B25J9/22B25J9/18G05B19/42G05B19/425G05B19/18
    • G05B19/425G05B2219/36043
    • A robot teaching position method for easily modifying an original position of one of a plurality of taught points arranged on a straight line to a modified position moved a distance along the straight line from the original position. An operator selects one of the plurality of taught points, inputs a distance of movement along the straight line from the one taught point to the modified point, and selects two arbitrary taught points arranged on the straight line, using a display device attached to a manual data input device attached to a robot controller. The modified position is determined based on the inputted first taught point, the distance, and the second and third taught points. A robot performs an operation based on the modified position.
    • PCT No.PCT / JP93 / 01502 Sec。 371日期:1994年6月16日 102(e)日期1994年6月16日PCT提交1993年10月19日PCT公布。 第WO94 / 09422号公报 日期1994年04月28日。一种用于容易地将布置在直线上的多个教导点中的一个教导点的原始位置修改到修改位置的机器人教学位置方法,其沿着直线从原始位置移动距离。 操作员选择多个教导点中的一个,输入沿着直线从一个教导点到修改点的移动距离,并且使用附接到手册的显示装置选择布置在直线上的两个任意教导点 附加到机器人控制器的数据输入设备。 基于输入的第一教导点,距离以及第二和第三教导点来确定修改位置。 机器人基于修改位置执行操作。
    • 14. 再颁专利
    • Method for teaching welding torch orientation
    • 焊枪方向教学方法
    • USRE40212E1
    • 2008-04-01
    • US09725952
    • 2000-11-30
    • Atsushi WatanabeTakayuki ItoTatsuo Karakama
    • Atsushi WatanabeTakayuki ItoTatsuo Karakama
    • G06F15/18
    • B23K9/12B23K9/16B23K9/32G05B19/427G05B2219/45104Y02P90/265
    • First, an operator sequentially teaches the start point A, the end point F and junction points B, C, D, E on the welding path by moving the torch head by jog feed without paying attention to the torch orientation. Next, a reference plane to define the orientation of the torch is specified, and an inclination angle and a forward angle representing the torch orientation be inputted into a robot controller. On the basis of these inputted angle data and the taught data, a basic welding orientation is automatically calculated. Further auxiliary points are set around the junction points B through E each forming corner parts connecting straight lines; tool vectors which may give a smooth torch orientation change through the corner parts are automatically calculated for the auxiliary points and the junction points; and on the basis of the results, a welding program is produced. Among elements which determine the torch orientation, an element relating to the rotation around the torch axis reflects the state at the time of teaching of points A to E.
    • 首先,操作者通过点动进给来移动割炬头,而不注意割炬方向,顺序地教导焊接路径上的起点A,终点F和结点B,C,D,E。 接下来,指定用于限定割炬定向的参考平面,并且将表示割炬取向的倾斜角度和向前角度输入机器人控制器。 基于这些输入的角度数据和教导的数据,自动计算基本的焊接取向。 另外辅助点设置在连接点B至E周围,每个连接点形成连接直线的拐角部分; 自动计算辅助点和连接点的刀具向量,可以给出通过拐角部分平滑的手电筒取向变化; 并根据结果,生产焊接程序。 在确定割炬方向的元件中,与割炬轴线周围的旋转有关的元件反映了点A到E的教学时的状态。
    • 15. 发明授权
    • Control unit and control method for robot used for arc welding
    • 用于电弧焊的机器人的控制单元和控制方法
    • US5812408A
    • 1998-09-22
    • US429769
    • 1995-04-27
    • Tatsuo KarakamaHiromitsu Takahashi
    • Tatsuo KarakamaHiromitsu Takahashi
    • B25J9/16B23K9/095B25J13/08G05B19/406G05B23/02G06F19/00G06G7/64G06G7/66
    • B23K9/0953G05B19/406G05B2219/35291G05B2219/45104
    • A welding voltage value Vf and a welding current value If are respectively monitored by a detector during execution of arc welding in accordance with a robot operation program, indexes are calculated which show how far the monitored values Vf and If are deviated from a command welding voltage value Vc and a command welding current value Ic specified in the operation program, and it is decided that there is a possibility of occurrence of a defective weld in arc welding under execution, when the calculated index exceeds a preset threshold value. Then, the data for arc-welding execution conditions and execution results are cumulatively stored in a defective weld history data area provided in a memory in accordance with the line number and the statement of the line in the operation program for each line constituting the program, and the cumulatively-stored data is displayed on a screen.
    • 焊接电压值Vf和焊接电流值If根据机器人操作程序分别在电弧焊接执行期间由检测器监测,计算出监视值Vf和If偏离指令焊接电压有多远的指标 值Vc和操作程序中指定的指令焊接电流值Ic,并且当所计算的指标超过预设阈值时,判定在执行中的电弧焊接中存在焊接不良的可能性。 然后,将用于电弧焊接执行条件和执行结果的数据累积地存储在根据构成程序的每一行的行号和操作程序中的行的行号的存储器中提供的缺陷焊接历史数据区域中, 并且累积存储的数据被显示在屏幕上。
    • 16. 发明授权
    • Method of correcting a position of a tool center point
    • 校正刀具中心点位置的方法
    • US5451850A
    • 1995-09-19
    • US064160
    • 1993-05-24
    • Tatsuo Karakama
    • Tatsuo Karakama
    • B25J9/10B25J9/18G05B19/18G05B19/404B25J9/00
    • G05B19/404G05B2219/37251G05B2219/45083
    • There is provided a method of correcting a position of a tool center point position of lightweight tools such as a welding gun, grinder or the like, and readily handling and controlling robot manipulation programs. Data indicating the relationship between robot manipulation time and a change amount of the tool center point are previously stored in memory, and an accumulated working time is read when moving the tool center point to a moving target position. Thus, the changed position of the tool center point is determined based on the data stored in the memory. The moving target position of the tool center point is corrected on the basis of the changed amount. Thus, the tool center point is aligned with the moving target position. Accordingly, the position of the tool center point is corrected in accordance with the change amount, and various works are accurately performed relative to the moving target position on a workpiece. Therefore, a spring mechanism required in the prior art is eliminated. In addition, a plurality of robot manipulation programs can be reduced to a single program.
    • PCT No.PCT / JP92 / 01328 Sec。 371日期:1993年5月24日 102(e)日期1993年5月24日PCT提交1992年10月12日PCT公布。 公开号WO93 / 07998 日期:1993年04月29日。提供了一种校正诸如焊枪,磨床等的轻型工具的工具中心点位置的位置的方法,并且容易地处理和控制机器人操纵程序。 指示机器人操作时间与刀具中心点的变化量之间的关系的数据预先存储在存储器中,并且当将刀具中心点移动到移动目标位置时,读取累积的工作时间。 因此,基于存储在存储器中的数据来确定刀具中心点的改变位置。 基于改变的量来校正工具中心点的移动目标位置。 因此,工具中心点与移动目标位置对准。 因此,根据变化量校正工具中心点的位置,并且相对于工件上的移动目标位置精确地执行各种工作。 因此,消除了现有技术中所需的弹簧机构。 此外,可以将多个机器人操作程序简化为单个程序。