Abstract: A method for compensating teaching positions which includes: generating a compensation start point and a compensation end point in positions where each of a number of teaching positions is sandwiched between the compensation start point and the compensation end point in a direction crossing a welding path, the number of teaching positions being set along the welding path of a welding base material; detecting a profile of the welding base material along a detection path by performing touch sensing while a welding torch is being moved along the detection path from the generated compensation start point toward the generated compensation end point, a welding wire protruding from the welding torch; and compensating each of the teaching positions based on the detected profile.

Abstract: A sensor bracket is provided with frame members supporting an acceleration sensor, the frame members having circular arc members holding an outer periphery of a tool of a robot in a state in which circumferential-direction gaps are defined in at least one portion of the circular arc members in a circumferential direction, and a bolt thread-screwed into the frame members so as to reduce the circumferential-direction gaps.

Abstract: A robot is provided with a first base, a robot arm having a rotation arm member, and a second base. A bottom end portion of the first base is fixed to an upper end portion of the second base using a fixing member, the rotation arm member includes an arm member opening, the second base includes an upper surface having an upper opening and a side surface having a side opening, the rotation arm member and the first base are configured to allow the conduit containing the welding wire and introduced into an interior of the rotation arm member through the arm member opening to reach the upper opening, the side opening allows the conduit introduced into an interior of the second base through the upper opening to come out of the second base.

Abstract: Provided is a wire body processing structure for a robot having a wrist, a base end of which is connected to a forearm in a rotatable manner about a first axis and a distal end of which has a plurality of working tools attached thereto. The wire body processing structure includes a first flexible conduit disposed along the first axis from the forearm to the distal end of the wrist and also includes a second flexible conduit disposed longitudinally within the first conduit. A first wire body for one of the working tools is extended longitudinally through the second conduit. A second wire body for another one of the working tools is extended longitudinally through a space between the first conduit and the second conduit.

Abstract: A structure of a robot includes: a first member having a hollow portion in the vicinity of a horizontal axis; a second member rotatably supported on a side surface of the first member and having a hollow portion in the vicinity of the horizontal axis; a drive motor producing power for rotating the second member; and a speed reducer reducing the rotation speed of the drive motor and transmitting the rotation to the second member. The speed reducer includes: an output hypoid gear formed of a ring gear disposed coaxially with the horizontal axis and fixed to the first member; an input hypoid gear engaged with the output hypoid gear; and a transmission mechanism transmitting rotation from the drive motor to the input hypoid gear while reducing the speed. The drive motor, the input hypoid gear, and the transmission mechanism are supported in the second member in an accommodated state.

Abstract: A work table support device capable of adapting to a plurality of applications. The workpiece support device includes a base; a conductive work table rotatably supported on the base; a current-collecting brush that is fixed to the base, slidably contacts an end face of the work table, and supplies electric power to work table, and a cover that is removably attached to the base, surrounds the current-collecting brush and the end face, and includes cover segments that can be assembled and disassembled one another.

Abstract: Provided is a linear-object handling structure of a robot, in which a linear object for a motor that drives a second arm and a wrist and a linear object for a work tool that is attached to the wrist pass from a base part to the inside of a rotational drum in the vicinity of a first axis, are guided upward to the outside through a through-hole provided in the rotational drum, are respectively curved toward opposite lateral sides of the rotational drum in the substantially circumferential directions while each given a margin of length required for the motion of the rotational drum, are guided from the lateral sides of the rotational drum to the second arm in the longitudinal direction of the first arm while each being given a margin of length required for the motions of the first arm and the second arm.

Abstract: A linear object handling structure of a robot includes a rotational drum supported above a base in a rotatable manner about a vertical axis line, a plurality of operation shafts supported by the rotational drum, and a hollow part near the vertical axis line in the rotational drum. A first linear object group including cables for driving the operation shafts has one end fixed to the base and the other end wired to the motors of the operation shafts supported by the rotational drum, and is disposed to penetrate through the hollow part. A second linear object group for a peripheral device supported by any one of the operation shafts is collectively covered by a flexible conduit pipe, disposed to penetrate through the hollow part, and detachably fixed to the base and the rotational drum.

Abstract: Provided is a wire body processing structure for a robot having a wrist, a base end of which is connected to a forearm in a rotatable manner about a first axis and a distal end of which has a plurality of working tools attached thereto. The wire body processing structure includes a first flexible conduit disposed along the first axis from the forearm to the distal end of the wrist and also includes a second flexible conduit disposed longitudinally within the first conduit. A first wire body for one of the working tools is extended longitudinally through the second conduit. A second wire body for another one of the working tools is extended longitudinally through a space between the first conduit and the second conduit.

Abstract: Provided is a linear-object handling structure of a robot, in which a linear object for a motor that drives a second arm and a wrist and a linear object for a work tool that is attached to the wrist pass from a base part to the inside of a rotational drum in the vicinity of a first axis, are guided upward to the outside through a through-hole provided in the rotational drum, are respectively curved toward opposite lateral sides of the rotational drum in the substantially circumferential directions while each given a margin of length required for the motion of the rotational drum, are guided from the lateral sides of the rotational drum to the second arm in the longitudinal direction of the first arm while each being given a margin of length required for the motions of the first arm and the second arm.

Abstract: A robot capable of preventing adhesion of a cutting fluid or the like on components thereof. The robot includes a robot arm, and a wrist connected to a distal end of the robot arm and including a plurality of movable elements connected to each other, and the movable elements being hollow elements, an end effector connected to a distal end of the wrist, a wire member laid to extend through the respective movable elements, and a cover to be mounted on the wrist so as to surround a connection between the two movable elements connected to each other.

Abstract: An umbilical-member managing system for an industrial robot. The embodiment of the umbilical-member managing system provided in an arc welding robot serves to lay and manage, along a manipulator, a torch cable connected to a welding torch attached to the manipulator. This umbilical-member managing system includes a support unit provided on the manipulator movably toward and away from the welding torch to support the torch cable; and a biasing mechanism continually biasing the support unit on the manipulator in a direction away from the welding torch. In this arrangement, the support unit may be composed of a wire feeding device for feeding a welding wire in the torch cable toward the welding torch. A guide unit is provided on the manipulator, which can guide the wire feeding device in a direction toward and away from the welding torch.

Abstract: An umbilical-member managing structure for a welding torch in an arc welding robot. The umbilical members include a welding wire fed to the welding torch, a tubular liner surrounding the welding wire, a tube for supplying an assist gas to the welding torch, and an electrical conductor for feeding a welding current to the welding torch. The arc welding robot is provided with a wire feeding device mounted on the manipulator for feeding the welding wire to the welding torch. The umbilical-member managing structure includes a flexible conduit containing the umbilical members, which includes a first connecting section provided at one longitudinal end connected to the welding torch, and a second connecting section provided at another longitudinal end connected to the wire feeding device; and a connection mechanism for rotatably connecting the conduit to at least one of the welding torch and the wire feeding device.

Abstract: An umbilical member handling structure for an industrial robot includes a first wrist element arranged rotatably at a forward end of a forearm, a second wrist element arranged rotatably at a forward end of the first wrist element, a working tool arranged at a forward end of the second wrist element, an umbilical member connected to the working tool and arranged along the first wrist element and the second wrist element, a flexible tabular guide member having a first end fixed on the second wrist element and a second end constituting a free end extended in a curve along the first wrist element and the second wrist element in the direction from the second element toward the first wrist element to guide the umbilical member between the first end and the second end, a displacement limiting member mounted at the second end of the flexible tabular guide member to limit the range of displacement of the second end, mainly in a thickness direction of the flexible tabular guide member, and an insertion member arranged

Abstract: An umbilical-member managing structure for a welding torch in an arc welding robot, for laying and managing, along a manipulator, a plurality of umbilical members connected to a welding torch attached to the manipulator. The umbilical members include a welding wire fed to the welding torch, a tubular liner surrounding the welding wire, a tube for supplying an assist gas to the welding torch, and an electrical conductor for feeding a welding current to the welding torch. The arc welding robot is provided with a wire feeding device mounted on the manipulator for feeding the welding wire to the welding torch.

Abstract: An umbilical-member managing system for an industrial robot. The embodiment of the umbilical-member managing system provided in an arc welding robot serves to lay and manage, along a manipulator, a torch cable connected to a welding torch attached to the manipulator. This umbilical-member managing system includes a support unit provided on the manipulator movably toward and away from the welding torch to support the torch cable; and a biasing mechanism continually biasing the support unit on the manipulator in a direction away from the welding torch. In this arrangement, the support unit may be composed of a wire feeding device for feeding a welding wire in the torch cable toward the welding torch. A guide unit is provided on the manipulator, which can guide the wire feeding device in a direction toward and away from the welding torch.