Abstract:
The invention relates to a robot part (1, 2) such as a robot arm or a robot joint, surrounded by an impact absorbing structure. According to the invention, the impact absorbing structure has a shroud (3) surrounding the robot part (1, 2). The shroud (3) is mounted on two spacing elements (6, 8) such that an interspace is formed between the shroud (3) and the robot part (1, 2). At least one of the spacing elements (6, 8) mounts the shroud (3) elastically. The invention also relates to a method of protecting a robot part by providing the robot part with an impact absorbing structure according to the invention.
Abstract:
The invention relates to an industrial robot having two arms (1, 2). According to the invention at least one of the arms includes abutment means (11, 12) arranged to abut the other arm.
Abstract:
A method, control unit and control system for an industrial robot comprising using a dynamic model to provide control signals for moving a part of the robot dependent one or more known physical parameters for said part of the robot. The method is particularly applicable to a change in load or tool for a robot. The method comprises making a change to a load acting on a said part of the robot, identifying a physical parameter and inputting one or more predetermined values for the physical parameter, values being derived beforehand and by on treating the change in load as an addition of one or more rigid bodies acting on said part of the robot. A control unit and a system for control are also described.
Abstract:
A component feeder (100) comprises a distributer for distributing components (20) from a bulk storage on a pick surface (10), and a retaining wall (40) preventing the components (20) from escaping the pick surface (10). The retaining wall (40) is flexible such that it deforms when a force is applied on it, and it assumes its original shape when the force is no longer applied. The flexible retaining wall (40) allows a robot gripper (30) to push the retaining wall (40) aside when picking a component (20) close to the retaining wall (40).
Abstract:
An industrial robot comprises a collapsible process force applicator 200 with a housing 210, a tip 320, and a biasing mechanism for keeping the tip 320 in a first position in relation to the housing 210. For safety reasons, the tip 320 is configured to move away from the first position when a predetermined force on the tip 320 is exceeded. The collapsible process force applicator 200 is mounted downstream from the last axis, and it is positioned such that its actuation does not occasion a torque on the wrist axes of the robot.
Abstract:
The present invention relates to a dual arm robot comprising a body (1), a first arm (2) attached to the body in a first attachment point (3), a second arm (5) attached to the body in a second attachment point (6), and a controller (10) adapted to control the motions of the arms based on desired positions of the arms. The controller comprises a position correction module (12) for correcting the position of the second arm due to the position and movements of the first arm, and the position correction module is adapted to determine an elastic deformation in the second attachment point based on the force acting on the first attachment point and an elastic model of the body,to determine the change of the position of the second arm based on the determined elastic deformation in the second attachment point, and to correct the position of the second arm based on the determined change of the position of the second arm.
Abstract:
A drive assembly comprising a motor (10) including a motor housing (20), a rotor (44), a rotor shaft (40), and a rear bearing (50) for supporting the rotor shaft in the motor housing at a rear side of the rotor;and a strain wave gearing (60) including a circular spline (70) secured to the motor housing, a flex spline (80) engaging the circular spline, a wave generator (90) engaging the flex spline and secured to a drive end (42) of the rotor shaft, and a wave generator bearing between the circular spline and the wave generator. According to the invention, the wave generator bearing (100) serves as an exclusive drive end bearing for supporting the rotor shaft (40) in the motor housing (20) at a front side of the rotor (30).
Abstract:
The present invention relates to an industrial robot with at least one arm section mechanically connected to a robot body. A safety coupling (5) is provided between at least the distal part (102b) of the arm section and the rotor body. According to the invention the safety coupling (5) is a magnetic coupling.
Abstract:
A component feeder (10) comprises a lift (50) for elevating a selection of components (30) from a bulk storage, and a pick surface (100) adjacent to the lift (50) for receiving the selection of components (30). A spreader (80) gives the selection of components (30) a push for spreading the selection of components (30) from the lift (50) on the pick surface (100). The combination of a vertical lift (50) and a separate pick surface (100) adjacent to the lift (50) enables the bulk storage being positioned right below the pick surface (100). The area of the pick surface (100) is large in relation to the total footprint of the component feeder (10).