| Patent Number |
Title Of Patent |
Date Issued |
| 5988486 |
Method of controlling electrode force of spot welding gun |
November 23, 1999 |
| In a spot welding gun which is made up of a gun main body which is operated for equalization by a driving source, a stationary electrode tip which is immovable relative to the gun main body, and a movable electrode tip which is connected to a pressing source, both electrode tips are pres |
| 5977505 |
Electric resistance welding method with unequal force application |
November 2, 1999 |
| When a workpiece which is made up by laminating a plurality of plates of different thicknesses is welded by using a spot welding gun having a pair of electrode tips, the electrode force to the workpiece by one of the electrode tips, which is positioned on the side of a thinner plate, is |
| 5945011 |
Control apparatus for welding robot and method of teaching welding robot |
August 31, 1999 |
| A control apparatus for a welding robot has a welding gun which is provided at a front end of a robot arm to be driven by plural kinds of servomotors. An amplifier circuit board is provided so as to mount thereon appropriate inverters by selecting out of those corresponding to respective |
| 5898285 |
Method of teaching welding robot |
April 27, 1999 |
| A welding robot has a gun main body, a stationary electrode tip which is immovable relative to the gun main body, and a movable electrode tip which is mounted on the gun main body and is opened and closed by a pressing source. The gun main body is movable by a driving source in a directi |
| 5621672 |
Multitask control system |
April 15, 1997 |
| A control system for controlling operations of a plurality of controlled devices each capable of positioning a plurality of logical axes included therein to perform operations such as welding or assembling workpieces, wherein a parallel control of the respective devices is performed by a |
| 5241250 |
Servomotor control system for multi-axes |
August 31, 1993 |
| A servomotor control system for multi-axes in which a single servo-amplifier can operate m rotational speed control loops and m current control loops as well for m servomotors simultaneously, where m is a predetermined integer greater than unity, while a single positioning controller |
| 5079491 |
Robot control system |
January 7, 1992 |
| A robot control system including a robot, a robot controller for controlling operation of the robot, and a teaching box for teaching the robot through the robot controller. The teaching box includes an input unit separate from the robot controller for entering a command signal to tea |
| 4794690 |
Phase adjusting apparatus in assembling machine |
January 3, 1989 |
| A phase adjusting apparatus for use in an assembling machine for assembling first and second workpieces including a movable frame which is arranged to move into and out of the space formed between the two workpieces. Prior to coupling the two workpieces, the movable frame is moved to ent |
