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1. 发明授权

US06043449A Spot welding system and spot welding method and nugget diameter estimation system and nugget diameter estimation method 有权
标题翻译：点焊系统和点焊方法和熔核直径估算系统和熔核直径估算方法
公开(公告)号：US06043449A
公开(公告)日：2000-03-28
申请号：US140316
申请日：1998-08-26
申请人： Mitsunori Kanjo
发明人： Mitsunori Kanjo
IPC分类号： B23K11/24 , B23K11/25 , B23K31/12 , B23K11/11
CPC分类号： B23K11/25 , B23K11/253 , B23K11/255 , B23K31/12
摘要： A welding spot is held between electrodes either biased with a controlled pressure, having a controlled voltage applied thereacross, and variations of an inter-electrode distance are detected for a welding quality control, in which the distance variations are time-integrated, a nugget size is estimated on a basis of the integration, and a decision is made of a conformity of welding quality based on an estimated nugget size.
摘要翻译：焊接点被保持在被控制的压力的电压之间，其中施加了受控的电压，并且检测到焊接质量控制的电极间距离的变化，其中距离变化是时间整合的，熔核尺寸是在整合的基础上进行估计的，并且基于估计的熔核尺寸来确定焊接质量的一致性。

2. 发明授权

US06274840B1 Electrode position detecting system and method for spot welders 有权
标题翻译：点焊机电极位置检测系统及方法
公开(公告)号：US06274840B1
公开(公告)日：2001-08-14
申请号：US09240708
申请日：1999-02-02
申请人： Mitsunori Kanjo
发明人： Mitsunori Kanjo
IPC分类号： B23K1110
CPC分类号： B23K11/253
摘要： A welding gun has a coordinate system fixed thereto, and a sensor is fixed to the coordinate system. The sensor senses a mobile electrode moved in a position, and a position detector cooperates with the sensor to detect the position of the mobile electrode relative to the welding gun.
摘要翻译：焊枪具有固定在其上的坐标系，传感器固定在坐标系上。传感器感测在一个位置移动的移动电极，并且位置检测器与传感器配合以检测移动电极相对于焊枪的位置。

3. 发明授权

US06414259B2 Inter-welding electrode moving amount detecting method and apparatus thereof 有权
标题翻译：焊接电极移动量检测方法及其装置
公开(公告)号：US06414259B2
公开(公告)日：2002-07-02
申请号：US09765730
申请日：2001-01-19
申请人： Mitsunori Kanjo
发明人： Mitsunori Kanjo
IPC分类号： B23K1125
CPC分类号： B23K11/315 , B23K11/253 , B23K11/31 , B23K11/311
摘要： An inter-welding electrode moving amount detecting method includes the below steps: moving a driving section of electrode driving means having the driving section connected to at least one of a pair of electrodes provided to a welding gun; detecting an inter-welding electrode moving amount due to expansion/contraction of a nugget when a member to be welded is pressed, electrified and welded by the pair of electrodes; and obtaining the inter-welding electrode moving amounts by adding a moving amount of the driving section to an electrode moving direction due to the expansion/contraction of the nugget during welding and a deflection (alternatively, a strain amount) of the welding gun due to a pressing force.
摘要翻译：焊接电极移动量检测方法包括以下步骤：将具有驱动部分的电极驱动装置的驱动部分移动到连接到设置到焊枪的一对电极中的至少一个; 当被焊接部件被所述一对电极按压，通电和焊接时，检测由熔核的膨胀/收缩引起的焊接间电极移动量; 并且通过在焊接期间由于熔核的膨胀/收缩以及焊枪的偏转（可选地，应变量）而将驱动部的移动量与电极移动方向相加来获得焊接间电极移动量，由于一个压力。

4. 发明授权

US06232572B1 Spot welding control system and control method 有权
标题翻译：点焊控制系统及控制方法
公开(公告)号：US06232572B1
公开(公告)日：2001-05-15
申请号：US09294330
申请日：1999-04-20
申请人： Mitsunori Kanjo
发明人： Mitsunori Kanjo
IPC分类号： B23K1124
CPC分类号： B23K31/125 , B23K11/115 , B23K11/253
摘要： Paired electrodes, of which a wear amount is detected, press workpieces to be welded, conducting a current therethrough, and have an inter-electrode displacement amount varying during the current conduction, which displacement amount is detected continuously from a reference position (a). Detected inter-electrode displacement amounts are corrected in dependence on the detected wear amount, and corrected inter-electrode displacement amounts (h) are based on to make a decision of a welding state of the workpieces.
摘要翻译：检测到磨损量的成对电极按压要焊接的工件，通过其中的电流，并且在电流传导期间具有变化的电极间位移量，从基准位置（a）连续检测位移量。检测到的电极间位移量根据检测到的磨损量进行校正，校正后的电极间位移量（h）是基于对工件的焊接状态的判定。

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