A system for machining a workpiece, comprising a hand-held power tool having a drive motor, a tool holder, which can be driven by the drive motor, for a working tool for machining the workpiece, and a guide element with a guide surface for guiding the hand-held power tool on the workpiece, having a marker detection device for detecting coordinate data of at least one workpiece marker of the workpiece, wherein the hand-held power tool has guide means for guiding the working tool along the workpiece according to the coordinate data of the at least one workpiece marker. The marker detection device has an optical and/or mechanical reference which can be positioned on and/or directly next to the at least one workpiece marker. The marker detection device is designed for determining the coordinate data of the at least one workpiece marker relative to an at least two-dimensional coordinates system which is independent from the workpiece marker
and the guide means of the hand-held power tool are designed to guide the working tool relative to the at least two-dimensional coordinates system in a working area which is geometrically defined by working area data determined based on the coordinate data of the at least one workpiece marker.

Methods, systems, and apparatus, including medium-encoded computer program products, for computer aided design and manufacture of physical structures using roughing toolpath sequences generated for subtractive manufacturing include, in one aspect, a method including: obtaining 3D models of a part and a workpiece and information regarding different cutting tools and cutting data therefor; determining a set of candidate combinations of the different cutting tools to effect the roughing operations by estimating a target machining result for each of multiple, tool-size-ordered lists of the different cutting tools; generating an expanded set of combinations of the different cutting tools to effect the roughing operations by adding variations of the candidate combinations; populating a multidimensional roughing operations representation vector using the expanded set of combinations; optimizing values of the multidimensional roughing operations representation vector using simulation of the roughing operations; and providing specified tool selections and operational parameters for use in roughing the part.

A numerical control device automatically generates a machining program and comprises: a linked information storage unit that stores linked information, which is tool information pertaining to a plurality of tools, a shape identifier that shows the shape that each tool can machine, and at least one G code which can be used for machining the shaped indicated by the shape identifier; a tool information acquisition unit that acquires tool information pertaining to the tool selected for machining; a shape ID information extraction unit that, using the acquired tool information, makes an enquiry to the linked information storage unit and extracts a shape identifier indicating a shape that can be machined by the tool having the acquired tool information; a machinable-shape extraction unit that extracts machinable shapes from CAD data on the basis of the extracted shape identifier; and a machinable-shape display unit that shows the extracted machinable shape.

A numerical control device comprises: a tool shape information storage/generation unit that generates and stores, as tool shape information, geometrical information relating to the shape of a multi-edge tool for turning; a machining shape information generation unit that generates machining shape information from relative movement direction information pertaining to the workpiece and the multi-edge tool and from positional relation information pertaining to the workpiece and the multi-edge tool; an edge direction determination unit that determines, from the generated tool shape information and the generated machining shape information, the edge direction of the multi-edge tool for each machining shape change point at which the machining shape changes; and a machining control unit that, on the basis of the edge direction of the multi-edge tool for each machining shape change point, controls the turning while changing the edge direction of the multi-edge tool between machining shape change points.

To provide a control system of a machine tool that enables a changed parameter to be reflected to a machine side in an arbitrary timing according to a worker's intention. A control system of a machine tool automated by reflecting a parameter by computerized numerical control, includes a storage unit that, when the parameter is changed, stores the parameter thus changed as a changed parameter, a changed parameter reflection condition setting unit that sets a condition for reflecting the changed parameter, and a changed parameter reflection unit that, when the condition is detected, reflects the changed parameter not yet reflected.

A simulation apparatus stores series data of positions of points (point sequence data) regarding feedback data from a motor which drives an axis of a machine tool, selects, from this stored point sequence data, a point which has a great impact on finished quality of a machined surface as a point for use in a simulation process, and performs the simulation process based on data regarding the selected point.

A data distribution program causes a server apparatus to execute a process of distributing project data to a terminal apparatus that writes the project data to a device among a plurality of devices included in an apparatus. The data distribution program causes the server apparatus to execute: receiving a distribution request for the project data from the terminal apparatus; identifying a related device that is another device constituting one apparatus together with the device to which the project data designated in the distribution request is written; identifying the related device that requires update of project data based on a version of the project data designated in the distribution request and a version of the project data written in the related device; and transmitting, to the terminal apparatus, the project data designated in the distribution request and the project data to be written to the related device identified.

A system and method for machine tool operations optimization is disclosed. The computer based system contains vibrational data for at least one machine tool, where the vibrational data is used to determine optimal machining, parameters for the machine tool and where an amount of profit improvement gained by adopting the optimal machining parameters is calculated.

Provided is a method and a device for the computer-aided optimization of tool transportation operations for at least one tool magazine that has a number of magazine spaces and is used or is able to be used for a machine tool that is used to produce one or more workpieces with the aid of the tools provided at a provision space by a magazine device. The input comprises the set of tools and the space requirement of each tool and a permissible starting magazine occupancy. In step 1, a set of available time intervals is determined. In step 2, one or more tool transportation operations are assigned to a respective time interval under the condition that the movement period for the tool transportation operation is less than or equal to the length of the time interval. In step 3, one or more tool transportation operations are performed.

Methods, devices, and systems related to process control in manufacturing are described. In an example, a method can include receiving data from a first process control device affixed to a first manufacturing tool of a first type, identifying one or more attributes of the data via a second processing resource of a second process control device affixed to a second manufacturing tool of a second type different from the first type, determining one or more settings for the second manufacturing tool via the second processing resource in response to identifying the one or more attributes of the data, and sending a command including the one or more settings to the second manufacturing tool from the second process control device.