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1. 发明专利

JPH04143096A INVERTING DEVICE FOR IRON STRUCTURAL MEMBER 失效
公开(公告)号：JPH04143096A
公开(公告)日：1992-05-18
申请号：JP26581490
申请日：1990-10-03
申请人： TOMOEGUMI GIKEN KK
发明人： MUTO SHOTARO , TOKUMURA KANAE , WAGA KAZUO , SAITO KAZUHIRO , HAMADA MASATOSHI
IPC分类号： B23K37/047 , B23K9/00
摘要： PURPOSE:To allow the easy and efficient execution of inverting operations by crimping and inverting iron structural members with two sets of 1st and 2nd inverting arms and constituting this device in such a manner that both arms can move downward of the iron structural members in the state in which the 2nd inverting arms extend in the longitudinal direction of the iron structural members. CONSTITUTION:The 1st and 2nd inverting arms 4, 5 are made into one set and the inversion of the iron structural members 2 is executed in such a manner that the iron structural members 2 can be crimped by these arms 4, 5. The device is so constituted that the iron structural members 2 can be crimped by the two arms in the state that the 2nd inverting arms 5 rotate and extend in the direction orthogonal with the longitudinal direction of the iron structural members 2 and that the two arms 4, 5 can move downward of the iron structural members 2 in the state that the 2nd inverting arms 5 rotate and extend in the longitudinal direction of the iron structural members 2. The space to be used at the time of the inversion operations is minimized in this way.

2. 发明专利

JPH04344899A LOAD CONTROLLER FOR WORK SUPPORTING SERVO-CYLINDER 失效
公开(公告)号：JPH04344899A
公开(公告)日：1992-12-01
申请号：JP11756591
申请日：1991-05-22
申请人： NIPPON STEEL CORP , TOMOEGUMI GIKEN KK
发明人： TODA MASAHIRO , HAMADA MASATOSHI , KANESAWA TOSHIYUKI
IPC分类号： B21J13/08 , B30B15/22
摘要： PURPOSE:To offer the load controller in a work supporting servo-cylinder, which can execute easily and surely exact holding of a work in a pressurized position at the time of pressurize working. CONSTITUTION:The load controller is provided with both control parts 9, 9' consisting of a signal processor 5 for sending an operation command signal to each servo-amplifier 4 provided on both servo-cylinders 3 (hereinafter, cylinders) for operation use. a load detector 6 and a displacement detector 7 provided additionally on the cylinder 3, a load amplifier 8 for sending a load detection value to the signal processor 5, and a displacement amplifier 10 for sending a displacement detection value to the signal processor 5. Also, as an operation command signal, a load command value is sent to the signal processor 5 of one control part 9, and also, a detection value of the displacement detector 7 of one control part 9 is sent to the signal processor 5 of the other control part 9'. In such a state, by displacement information of the cylinder 3 controlled by the load command value by the control part 9, the cylinder 3 is controlled by the control part 9', load values of both the cylinders 3 are always set to a command value, and a prescribed position of a work 2 of a pressurized position is held easily and surely.

3. 发明专利

JPS6253766B2 失效
公开(公告)号：JPS6253766B2
公开(公告)日：1987-11-12
申请号：JP15806677
申请日：1977-12-30
申请人： TOMOEGUMI GIKEN KK
发明人： ISOHATA NOBORU , HAMADA MASATOSHI
IPC分类号： G01M5/00 , G01N5/00

4. 发明专利

JPS6096369A METHOD FOR AUTOMATICALLY CONTROLLING TORCH IN ARC WELDING 失效
公开(公告)号：JPS6096369A
公开(公告)日：1985-05-29
申请号：JP20220083
申请日：1983-10-28
申请人： TOMOEGUMI GIKEN KK
发明人： MATSUMOTO MASAMI , ISOHATA NOBORU , HAMADA MASATOSHI
IPC分类号： B23K9/127 , B23K9/02 , B23K9/12
摘要： PURPOSE:To enable automatic welding without requiring teaching in arc welding in which the direction of a welded joint line changes by performing weaving by an arc sensing method and changing the direction of a torch when an abrupt change in electric current is detected. CONSTITUTION:Weaving W of a triangular shape as shown in the figure is performed in the stage of performing fillet welding in a flat position along, for example, a weld joint line L of changing directions. A change in arc current value arises with the change l1 l0 l1 in the wire extension of a wire 2 from a torch 1. The change in the current value is detected with a sensor 3 and is arithmetically processed and NC-controlled by a minicomputer 4. The arc sensing similar to the arc sensing in the prior art is accomplished at the joint line of the ordinary straight part. The signal sampled by the sensor 3 is passed through an A/D converter and is converted to the output signal shown in the figure. Since the change rate di/dt of the arc current with respect to the time is constant, the point where the line L changes is detected by utilizing said rate. Whether the end is open or closed is judged and the direction of the torch is changed.

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