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FANUC is a group of companies, principally FANUC Corporation of Japan, Fanuc America Corporation of Rochester Hills, Michigan, USA, and FANUC Europe Corporation S.A. of Luxembourg, that provide automation products and services such as robotics and computer numerical control systems. FANUC is one of the largest makers of industrial robots in the world. FANUC had its beginnings as part of Fujitsu developing early numerical control and servo systems. The company name is an acronym for Factory automation numerical control.In 1972, the Computing Control Division became independent and FANUC Ltd was established.FANUC is listed on the first section of Tokyo Stock Exchange and is a constituent of the TOPIX 100 and Nikkei 225 stock market indices. It is headquartered in Yamanashi Prefecture.The company's clients include US and Japanese automobile and electronics manufacturers. Use of industrial robots has allowed companies like Panasonic in Amagasaki to run factories which produce 2 million television sets a month with just 25 people.FANUC has joint ventures, subsidiaries, and sales offices on 5 continents and over 22 countries. It is the largest maker of CNC controls by market share with 65% of the global market. and is the leading global manufacturer of factory automation systems. Wikipedia.


A robot controller and a robot system capable of stably changing the orientation of a front end of a robot by applying a force to the front end, and moving each axis to a desired position. The robot controller for moving the robot based on the force applied to the robot includes a control point specifying part which specifies a control point in relation to the robot, and an operation commanding part which outputs a command so that the robot performs rotational movement about the control point. The robot has a structure constituted by sequentially combining three or more axes including at least three rotation axes, and rotation centerlines of the three rotation axes intersect at an origin of a centerline-intersecting axis, the centerline-intersecting axis corresponding to one of the three rotation axes. The control point specifying part specifies the origin of the centerline-intersecting axis as the control point.


A robot control device includes an operation axis setting unit that sets a axis rotationally moved according to an applied force as an operation axis and sets a rotational moving direction of the operation axis; a first operation force acquisition unit that obtains a first virtual force that is virtually applied to the operation axis to assume that the first virtual force is a first operation force; and an operation command unit that outputs an operation command for moving the operation axis set by the operation axis setting unit on the basis of an operation force determined from the first operation force. The operation command unit obtains a target moving direction and a target moving velocity of the operation axis on the basis of the first operation force and the rotational moving direction set by the operation axis setting unit, so as to move the operation axis.


Patent
Fanuc | Date: 2015-04-08

A rotary table device of an electric discharge machine is provided with a face plate on which a workpiece is placed, a power unit that generates a driving force for rotating the face plate, and a speed reducer connected to the power unit and configured to reduce the rotational speed of the power unit. The respective centers of rotation of the power unit and the speed reducer are disposed on one and the same axis, and a rotation detector for detecting a rotational position of the face plate is disposed in a space defined by an outer peripheral portion of the speed reducer and an inner wall of a housing of the rotary table device.


A laser machining apparatus includes: a laser oscillator; a control device controlling the laser oscillator; a power-down detection unit detecting a decrease in supply power; a time measurement unit measuring power-down time until the supply power is returned to a predetermined value from when the supply power is decreased under the predetermined value; an electricity storage unit supplying electric power to the control device upon a power outage; and equipment operating abnormally when the supply power is decreased under the predetermined value, and recovering from an abnormal operation when a state of the supply power being smaller than the predetermined value continues for a first predetermined period or longer, the control device stopping the laser machining apparatus when the power-down time is smaller than the first predetermined period and not stopping the laser machining apparatus when the power-down time is equal to or larger than the first predetermined period.


Patent
Fanuc | Date: 2015-04-14

A tool changer for a machine tool is provided with a spindle head, tool magazine, rotating shaft, and magazine drive motor. The tool magazine is provided with a tool-magazine power transmission unit. The tool-magazine power transmission unit and a magazine-drive-motor power transmission unit engage with each other at all times between a proximity position and a separated position relative to the spindle head of the tool magazine.

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