Various embodiments of power tool and method of operating same are described. The power tool may include a first position sensor, a second position sensor, a third position sensor, and a controller. The first, second, and third position sensors may each generate a signal indicative of a distance between the respective position sensor and a workpiece. The controller may determine one or more angles of the power tool with respect to the workpiece based on the first, second, and third signal and present an indication as to whether the one or more angles are within a predetermined range. The controller may further obtain a depth measurement based on the first signal, the second signal, and the third signal and generate, based on the obtained depth measurement, one or more control signals that control operation of the power tool.

In a method of setting heat-resistant alloy cutting conditions used to set cutting conditions under which a heat-resistant alloy is cut with a cutting tool, the cutting tool has a long shaft mounted on a spindle and extended in the axial direction and teeth formed on the shaft. The cutting conditions include a radial direction cutting amount of the cutting tool in the radial direction. When the radial direction cutting amount in which one tooth is constantly in contact with the heat-resistant alloy is given as a smallest radial direction cutting amount and the radial direction cutting amount in which three or more teeth are not in contact with the heat-resistant alloy is given as a largest radial direction cutting amount, a radial direction cutting amount of the cutting tool is set in the range from the smallest radial direction cutting amount to the largest radial direction cutting amount.

A power tool includes a control for the motor of the power tool that senses an operating characteristic of the motor and controls the operation of the power tool based on the sensed characteristic. The sensed characteristic includes variations in reluctance of the motor. A controller may sense changes on load on the motor as a result of interaction between a working element such as a saw blade or drill bit and the work piece. The controlled operation may include variation in speed or torque or both, or may include stopping the motor. Emergency conditions may be sensed by changes in reluctance.

A method generates a machining program defining a trajectory of a tool for a workpiece having a first portion which can be machined with only linear axes followed by a second portion requiring a machining with linear axes and one or two rotational axes. A base code is generated defining the trajectory with, for the first portion, a first path by which relative movement occurs only along the linear axes followed by, for the second portion, a second path by which relative movement occurs along the linear axes and rotational axes. Before execution, the base code is optimized to modify the previously defined trajectory, including: modifying the first path with a relative movement occurring along the axes before starting on the second path; and reconstructing a profile of a kinematic quantity of one or both of the rotational axes on the first path to eliminate discontinuities on the profile.

A robot machining system including: a robot in which a hand is attached to a distal end of an arm thereof; a force sensor provided in one of the robot and the machining device and detecting a force acting therebetween when a workpiece is being machined; and a control device that controls the robot or the machining device according to the detected force, wherein one of the machining device and the hand is provided with guide surfaces that extend along a direction in which the machining device and the hand are relatively moved when the workpiece is machined; the other of the machining device and the hand is provided with guided portions that are brought into contact with the guide surfaces when the workpiece is machined; and the control device performs control for maintaining a contact state between the guide surfaces and the guided portions during machining of the workpiece.

A robot machining system including: a robot in which a hand is attached to a distal end of an arm thereof; a force sensor provided in one of the robot and the machining device and detecting a force acting therebetween when a workpiece is being machined; and a control device that controls the robot or the machining device according to the detected force, wherein one of the machining device and the hand is provided with guide surfaces that extend along a direction in which the machining device and the hand are relatively moved when the workpiece is machined; the other of the machining device and the hand is provided with guided portions that are brought into contact with the guide surfaces when the workpiece is machined; and the control device performs control for maintaining a contact state between the guide surfaces and the guided portions during machining of the workpiece.

A drilling machine and a drilling method including drilling a first bore in a material with a drilling machine by applying a torque to a drilling tool for imparting a rotation at a first rotational speed to the drilling tool, and applying a thrust to the drilling tool for advancing the drilling tool at a first feed speed into the material, wherein a drilling parameter is measured while drilling the first bore, and a second rotational speed and a second feed speed are determined based on the drilling parameter, then drilling a second bore at the second rotational speed and at the second feed speed.

A drilling machine and a drilling method including drilling a first bore in a material with a drilling machine by applying a torque to a drilling tool for imparting a rotation at a first rotational speed to the drilling tool, and applying a thrust to the drilling tool for advancing the drilling tool at a first feed speed into the material, wherein a drilling parameter is measured while drilling the first bore, and a second rotational speed and a second feed speed are determined based on the drilling parameter, then drilling a second bore at the second rotational speed and at the second feed speed.

Various embodiments of power tool and method of operating same are described. The power tool may include a first position sensor, a second position sensor, a third position sensor, and a controller. The first, second, and third position sensors may each generate a signal indicative of a distance between the respective position sensor and a workpiece. The controller may determine one or more angles of the power tool with respect to the workpiece based on the first, second, and third signal and present an indication as to whether the one or more angles are within a predetermined range. The controller may further obtain a depth measurement based on the first signal, the second signal, and the third signal and generate, based on the obtained depth measurement, one or more control signals that control operation of the power tool.

Various embodiments of power tool and method of operating same are described. The power tool may include a first position sensor, a second position sensor, a third position sensor, and a controller. The first, second, and third position sensors may each generate a signal indicative of a distance between the respective position sensor and a workpiece. The controller may determine one or more angles of the power tool with respect to the workpiece based on the first, second, and third signal and present an indication as to whether the one or more angles are within a predetermined range. The controller may further obtain a depth measurement based on the first signal, the second signal, and the third signal and generate, based on the obtained depth measurement, one or more control signals that control operation of the power tool.