B25J11/006

Part forming using intelligent robotic system
11865716 · 2024-01-09 · ·

A system forms a part in an initial geometry (e.g., a sheet) into a desired geometry. The system includes a robot arm with an end effector, a model and a controller. The model receives an input geometry and an input parameter value indicating an interaction between the part and the end effector. The model determines an output geometry of the part based on the input geometry and the input parameter value. The controller receives the initial and desired geometries; applies the model to the initial geometry and to different input parameter values; based on output geometries of the model, determines a set of parameter values for controlling the robot arm; and controls the robot arm according to the determined set of parameter values to form the part into the desired geometry using the end effector.

REAL-TIME IDENTIFICATION OF BURR SIZE AND LOCATION FOR ROBOTIC DEBURRING PROCESS

A process of deburring a workpiece comprising installing a workpiece onto a machine table proximate a robot, the workpiece having a surface, the robot having at least one force sensor and a spindle load sensor associated with a spindle coupled to a cutting tool, the robot having at least one joint configured to be actuated by a joint actuator; the robot being coupled to a controller; generating joint encoder signals with the controller, the joint encoder signals configured to direct the joint actuator; sensing contact forces between the cutting tool of the robot and the surface of the workpiece; determining a deburring path of the cutting tool to deburr the workpiece; and controlling the robotic deburring process by use of the joint encoder signals, a physics based model of burr size and material removal, a nominal trajectory and an actual trajectory of the cutting tool center point position.

Finishing device
10766081 · 2020-09-08 · ·

The invention relates to a finishing device for removing the weld bead generated during welding of a window or door frame or frame section at the mitered surfaces, wherein the finishing device comprises a support surface for the frame or frame section and a processing arm for supporting a tool holder, and the processing arm consists of a plurality of arm elements that move in hinged fashion relative to one another but can also be fixed in place, wherein the tool holder comprises at least two cutting tools driven by a rotational drive, said tools rotating about a tool axis and at least one tool laterally next to the blade of the tool, contact sides.

Method and system for machining
10759015 · 2020-09-01 · ·

A method and a system for machining a work piece by a machining tool are provided. The method includes relatively moving the machining tool against the work piece to apply machining feeds therebetween. The contact points at the work piece are arranged on the area of the work piece to be machined, and the contact points at the machining tool form a curve on the machining tool surface. The system includes a manipulator, a machining tool and a controller being adapted for controlling the manipulator to operate the machining tool according to the method as above. With this solution, the system can generate wave paths of a machining tool, so as to extend the life of the tool and ensure the processing quality.

Learning device, controller, and control system
10730183 · 2020-08-04 · ·

A controller has a state observation unit to acquire a present state of a robot as a state variable, a label data acquisition unit to acquire, as a label, a detected value of a force sensor attached to an arm and to detect necessary data for control of a pressing force, and a learning unit to generate a learning model indicative of the correlation between the state variable acquired in a no-load state and the label acquired under the state variable acquired in the no-load state and to estimate the detected value of the force sensor. The controller controls the pressing force by using the detected value of the force sensor acquired in the present state of the robot acquired in a loaded state and the detected value of the force sensor estimated by the learning unit based on the present state of the robot acquired in the loaded state.

AUTOMATIC PROCESS PLANNING FOR ROBOTIC DEBURRING OPERATIONS

A robotic deburring process that automatically, accurately, and efficiently removes burrs from a workpiece. The robotic deburring process uses CAM location data to establish deburring trajectory, physics based machining models to predict burr type and size, and force control functions to compensate inaccuracies due of inaccuracies of robots arms.

Machine tool system and moving method
10668618 · 2020-06-02 · ·

A machine tool system includes: a machine tool that machines a workpiece by using a tool attached to a spindle; and a plurality of robots installed inside a machining space of the machine tool and adapted to grip the workpiece and move the workpiece in conformity with the machining performed by the machine tool.

MACHINING ROBOT AND MACHINING METHOD

A robot control system according to an embodiment is a control system for a robot comprising an arm, the arm being capable of holding a tool while rotating the tool and capable of moving the tool in at least two-dimensional directions, the arm being equipped with a rotating mechanism provided for the tool. The robot control system comprises a load-acquiring unit and a control-signal-generating unit. The load-acquiring unit is configured to acquire a force measured by a force sensor configured to measure a force applied from the tool to the arm during profile copying performed on a machining object by moving the arm while a copying guide attached to the arm and a copying mold placed on the machining object are kept in contact with each other. The control-signal-generating unit is configured to automatically control the arm by generating a control signal for the arm in accordance with the force acquired by the load-acquiring unit and with control information for the arm regarding the profile copying, and by outputting the control signal to the arm.

Window cleaning system and method

A window processing system and method for use in fabricating window frames or sashes. The system includes an articulating arm having a plurality of members and arms to allow movement about multiple axes defined by the articulating arm. The system further includes a tool support fixture assembly coupled to an outermost member of the plurality of members, the tool support fixture assembly includes a plurality of tools for performing cleaning operations on a window frame or sash during use.

DEVICE, ROBOT SYSTEM, AND METHOD FOR DETERMINING POSITION OF RECESSED PORTION TO BE FORMED BY SCRAPING
20240051138 · 2024-02-15 · ·

A device for determining the positions of a plurality of recessed portions to be formed on a surface of a workpiece by means of scraping, in which a robot uses a scraper to shave the surface of the workpiece to make the same flat, is provided with: an input accepting unit for accepting input of shape information of the surface and pattern information of the plurality of recessed portions on the surface; and a position determining unit for automatically determining the position of each recessed portion on the surface on the basis of the shape information and the pattern information accepted by the input accepting unit.