A method to ascertain a quality of a product formed by a subtractive manufacturing device from a workpiece includes: determining a deflection/test force relation for a deflection of the device; measuring an actually exerted machining force applied by the device to the workpiece; automatically determining a machining force reference for the actually exerted machining force; automatically evaluating whether the actually exerted machining force deviates from the machining force reference. If an actually exerted machining force deviates from the machining force reference, then the method uses the deflection/test force relation to automatically determine for the actually exerted machining force, at least one correction deflection of the device and automatically creating at least one corrected drive control signal to fully or partially reduce the correction deflection.

An intelligent tool holder includes a tool-holder main body and a sensing reading device. The tool-holder main body includes a connecting portion which is provided with a plurality of embedded holes respectively embedded with a sensing element therein to kinetically detect sensed data including stress and strain of the tool-holder main body which are correspondingly formed as being loaded from the processing tool. The sensing reading device includes a housing to outwardly cover the connecting portion of the tool-holder main body. A sensing reading module is provided to read the sensed data of the sensing element transmitted therefrom. An active sensing method having a particular rotational angle is provided, thereby increasing sensing properties, lowering the coupling effects and detecting a global forced condition in a processing procedure.

An automated container cutting system for cutting a container includes a cutting platform and a cutting tool held by the cutting platform. The cutting tool is configured to cut the container. The automated container cutting system includes a force feedback sensor operatively connected to the cutting tool such that the force feedback sensor is configured to measure resistive force exerted on the cutting tool. The automated container cutting system includes at least one processor communicatively coupled to the force feedback sensor. The processor is configured to receive resistive force data from the force feedback sensor. The resistive force data represents resistive force exerted on the cutting tool as the cutting tool pierces a wall of the container. The at least one processor is configured to determine whether the cutting tool has penetrated through the wall of the container using the received resistive force data.

A rotating tool according to an aspect of the present disclosure is a rotating tool used in a state held by a tool holder, and the rotating tool includes a shaft portion having an end attached to the tool holder, a blade attaching portion or a blade portion provided at an end of the shaft portion opposite to the end, and a plurality of sensors attached to the shaft portion, and the plurality of sensors include an acceleration sensor and a strain sensor.

Tool for machining a workpiece, comprising a cutting insert having at least one cutting edge, a cutting insert holder comprising a cutting insert receptacle for receiving the cutting insert, a clamping element acting as a clamping wedge, which can be fastened in the cutting insert receptacle for clamping the cutting insert in the cutting insert holder, a fastening element for fastening the clamping element in the cutting insert holder and simultaneously clamping the cutting insert in the cutting insert holder, and a sensor configured to generate a measurement signal that is dependent on a force acting on the cutting insert, wherein the clamping element comprises a recess in which the sensor is arranged.

The present specification relates to a power drill, comprising a housing in which a motor is arranged, and a front and rear bearing arranged to support an axle assembly adapted to engage a drill attachment, wherein said axle assembly and at least one of said front and said rear bearing further form an additional assembly movably arranged with respect to said housing, said power drill further comprising a force transducer arranged at said front end of said housing and axially supported by said housing, and wherein said additional assembly is axially supported by said force transducer, said force transducer thereby being configured to output a signal representing an axial force acting on said additional assembly. The present specification further relates to a force transducer for such a power drill and a detachable front part for a power drill.

An assembly for monitoring a semiconductor device under test comprising a mill configured to mill the device, a sensor configured to measure an electrical characteristic of the device, and a computer configured to determine the amount of strain in the device from the electrical characteristic when the mill is milling the device and detect an endpoint of milling at a circuit within the device. In use the endpoints of the milling process of the semiconductor device are detected measuring an electrical characteristic of the device with a sensor during milling determining the amount of strain in the device from the electrical characteristic and detecting an endpoint of the milling process within the device based on the amount of strain.

A milling machine can include a frame; a milling assembly coupled to the frame and including a drum housing and a cutting rotor located within the drum housing; a plurality of load detection sensors extending along a width of the cutting rotor; and a controller operatively coupled to each of the plurality of load detector sensors and configured to determine an active cut width of the cutting rotor based on load information received from the plurality of load detector sensors.

Provided is a tool state detection system capable of improving usability. A tool state detection system that detects a state of a tool attached to a machining device includes: a detection device which is formed separately from a tool holder that holds the tool and is detachably attached to the tool holder, the detection device being configured to detect the state of the tool and output measurement data; and a data analysis device which provided to be communicable with the detection device, the data analysis device being configured to analyze the measurement data from the detection device. As a result, usability for a user is improved since the detection device can be formed separately from the tool holder and be detachably attached to the tool holder.

Methods, systems, and apparatus, including medium-encoded computer program products, for computer aided design and manufacture of physical structures using subtractive manufacturing systems and techniques include, in one aspect, a method including obtaining information regarding a geometry of a part to be machined by a computer-controlled manufacturing system from a workpiece; based on the information regarding the geometry, identifying machine components to be used by the computer-controlled manufacturing system during machining the part; determining a position for the machining of the part with respect to at least one of the machine components, to even out wear on the machine components, based on data indicating previous positions, movements and wear of components associated with the computer-controlled manufacturing system; and providing instructions usable by the computer-controlled manufacturing system, wherein the instructions are configured to cause the computer-controlled manufacturing system to use the position for the machining.