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1. 发明专利

JP2010029994A Device and method for processing center hole of crankshaft 有权
标题翻译：用于加工起重机的中心孔的装置和方法
公开(公告)号：JP2010029994A
公开(公告)日：2010-02-12
申请号：JP2008195806
申请日：2008-07-30
申请人： Komatsu Machinery Corp , コマツ工機株式会社
发明人： YOSHIMOTO AKIHIRO
IPC分类号： B23B49/04 , B23C3/06 , B23Q17/20
CPC分类号： B23B49/04 , B23B2215/20 , Y10T408/03 , Y10T408/05
摘要： PROBLEM TO BE SOLVED: To easily and accurately form a center hole at an adequate position of a crankshaft blank. SOLUTION: A center hole processing device forms center holes for processing at both end faces of a blank crankshaft 1 and has a main clamper 15, a centripetal chuck 16, and a cutting tool 17. The main clamper 15 holds the blank crankshaft 1 and fixes it. The centripetal chuck 16 is chuckable for both ends of the blank crankshaft 1 in a state of being held at the main clamper 15 and maintained in an attitude of being held at the main clamper 15 for shape measuring of the blank crankshaft 1. The cutting tool 17 forms a center hole at both the ends of the blank crankshaft 1 held at the main clamper 15. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了容易且准确地在曲轴坯料的适当位置形成中心孔。解决方案：中心孔加工装置形成用于在坯料曲轴1的两个端面处理的中心孔，并具有主夹持器15，向心卡盘16和切削工具17.主夹具15保持坯料曲轴 1并修复它。向心式夹头16可以在保持在主夹持器15的状态下夹持坯料曲轴1的两端，并保持在保持在主夹具15上的姿态以用于坯料曲轴1的形状测量。切削工具 17在保持在主夹持器15处的空白曲轴1的两端形成中心孔。（C）2010，JPO＆INPIT

2. 发明专利

JP2006071529A Inspection apparatus and method for flaws on workpiece surface 有权
标题翻译：检查装置和工作表面上的方法
公开(公告)号：JP2006071529A
公开(公告)日：2006-03-16
申请号：JP2004256776
申请日：2004-09-03
申请人： Komatsu Machinery Corp , コマツ工機株式会社
发明人： YAMAMOTO MAKOTO , YOSHIMOTO AKIHIRO
IPC分类号： G01B21/30 , G01B21/20 , G01M13/02 , G01N19/08
CPC分类号： G01B5/285 , G01N19/08
摘要： PROBLEM TO BE SOLVED: To automatically inspect the presence or absence of minute flaws on the outer surface of a journal part or a pin part of a crankshaft.
SOLUTION: While rotating the crankshaft 16 about a rotary shaft 16C in the X-axis direction, a measurement probe 56, which is retractable in the Y-axis direction, is brought into contact with an inspection site 16A on the journal part or the pin part to measure the surface position of the inspection site 16A for every rotation angle in one rotation and to acquire the waveform data of the surface position for a rotation angle. The measurement probe 56 has an oscillating function and adequate Z-axis length, so that it is constantly in contact with the inspection site 16A during rotation. By removing low-frequency waveform components which are equal to or less than a predetermined frequency from the waveform data to extract only high-frequency waveform components. The presence or absence of flaws at the inspection site is decided from the inclination, amplification, or the like of the high-frequency waveform components.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：自动检查曲轴的轴颈部件或销部分的外表面上是否存在微小缺陷。解决方案：在曲轴16绕X轴方向绕旋转轴16C旋转的同时，能够在Y轴方向上缩回的测量用探头56与轴颈部的检查部位16A接触或销部分，以一次旋转中的每个旋转角度测量检查部位16A的表面位置，并获取旋转角度的表面位置的波形数据。测量探头56具有振动功能和足够的Z轴长度，使得其在旋转期间不断与检查部位16A接触。通过从波形数据中除去等于或小于预定频率的低频波形分量，仅提取高频波形分量。在检查场所存在或不存在缺陷是由高频波形分量的倾斜，放大等决定的。版权所有（C）2006，JPO＆NCIPI

3. 发明专利

JP2010031987A Method and device for determining center hole of crankshaft 有权
标题翻译：用于确定起重机中心孔的方法和装置
公开(公告)号：JP2010031987A
公开(公告)日：2010-02-12
申请号：JP2008195807
申请日：2008-07-30
申请人： Komatsu Machinery Corp , コマツ工機株式会社
发明人： YOSHIMOTO AKIHIRO
IPC分类号： F16C3/08 , G05B19/4097
CPC分类号： F16C3/08 , B23P2700/07 , G01M1/10 , G01M1/24 , G05B19/401 , G05B19/4097 , G05B2219/32189 , G05B2219/37205 , Y02P90/22 , Y02P90/265
摘要： PROBLEM TO BE SOLVED: To easily and properly determine a position of a center hole of a crankshaft. SOLUTION: A center hole determination method determines the center hole of a material crankshaft formed by molding with a cope and a drag, and includes first to fourth steps. In the first step, shape data of each part molded with the cope and drag is obtained. In the second step, measurement data of each part is compared with the corresponding design data to calculate a mismatch amount caused by mismatch of each part. In the third step, based on the mismatch amount, the data corresponding to the mismatch amount is interpolated to reproduce actual shape data. In the fourth step, a center hole is determined so that a rotation balance of the material crankshaft is within a predetermined range based on the actual shape data. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了容易且适当地确定曲轴的中心孔的位置。解决方案：中心孔确定方法确定通过用上模和拖曳成型形成的曲轴形成的曲轴的中心孔，并且包括第一至第四步骤。在第一步骤中，获得用上模和拖曳模制的每个部件的形状数据。在第二步中，将每个部分的测量数据与对应的设计数据进行比较，以计算由每个部分的不匹配引起的失配量。在第三步骤中，基于不匹配量，对与失配量对应的数据进行内插以再现实际形状数据。在第四步骤中，基于实际形状数据确定曲轴坯料的旋转平衡在预定范围内的中心孔。版权所有（C）2010，JPO＆INPIT

4. 发明专利

JP2004028947A Apparatus and method for measuring rotation phase angle in eccentric part of shaft, and holder for measuring phase of spline groove used for its measurement 有权
公开(公告)号：JP2004028947A
公开(公告)日：2004-01-29
申请号：JP2002189225
申请日：2002-06-28
申请人： Komatsu Machinery Corp , コマツ工機株式会社
发明人： YOSHIMOTO AKIHIRO , YAMADA SHINGO
IPC分类号： G01B5/24 , G01B5/20
摘要： PROBLEM TO BE SOLVED: To provide a spline groove phase measuring holder, its measuring apparatus and measuring method which enable improvement in precision and shortage of measuring time of phase measurement of a spline groove formed at an end of a work shaft, and phase measurement around the work shaft of the eccentric part based on a spline groove phase.
SOLUTION: This apparatus is fitted with a spline groove phase measuring holder 80 which is fitted to the spline groove portion 2 and is used for measuring the phase of the groove; a sensor 15 for the rotation angle of the work 1; a contour measuring unit 30 which is movable freely in a direction perpendicular to the work shaft, brings a probe 32 formed thin and long in the direction perpendicular to the work shaft into contact with the eccentric part 3 and the measuring part of the groove phase measuring holder by the rotation of the work, and measures the quantities of displacement of these in the direction perpendicular to the work shaft; and a controller 50 which has inputs of the rotation angle of the work and the measured quantities of displacement by the contour measuring unit, and finds each rotation phase angle of the eccentric part 3 and the measuring part of the groove phase measuring holder for the spline groove part 2, on the basis of measured quantities of displacement of at each predetermined at each predetermined rotation angle of the work.
COPYRIGHT: (C)2004,JPO

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