A numerical controller is provided with a control unit configured to control a machine tool and acquire feedback data in relative positions of a tool and a workpiece, a machining simulation unit configured to perform simulation processing for machining based on a machining program and create the shape of the machined workpiece, and a display unit configured to display the machined workpiece shape created by the machining simulation unit. The machining simulation unit performs machining simulation processing using the feedback data acquired by the control unit, in place of relative movement paths for the tool and the workpiece based on a command by the machining program.

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.

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 and a determined stock allowance include, in one aspect, a method including: obtaining a finishing toolpath specification for three dimensional (3D) geometry of a part; generating 3D geometry of a model of a semi-finished structure in accordance with a computer simulation of deflections experienced by a workpiece as stock material is cut from the workpiece using the finishing toolpath specification; creating a semi-finishing toolpath specification for the semi-finished structure; and providing the semi-finishing toolpath specification for use in machining the part by cutting away a first portion of the stock material using the semi-finishing toolpath specification to form the semi-finished structure, followed by performing a finishing operation of the semi-finished structure by cutting away a second portion of the stock material to form the part.

To optimize an automatically optimized machining time for machining a workpiece in a machine tool, an original parts program is loaded into a machine tool controller. The machining of the workpiece using the original parts program is simulated, where a motion path generated by the original parts program in the machine tool is determined. The motion path is classified into at least one area of potential optimization in which there is no workpiece contact. The at least one area of potential optimization is assigned a tolerance space. An optimized motion path is determined within the tolerance space. The machining of the workpiece using the modified parts program is simulated. The optimized motion path is displayed and marked. Once a user has approved the modification in the parts program, machining of the workpiece takes place using the modified parts program.

Methods, systems, and apparatus, including medium-encoded computer program products, for computer aided design and manufacture of physical structures using toolpath generation by demonstration include, in one aspect, a method including: receiving a user specified path traced in reference to geometry of a modeled object to be manufactured by a computer-controlled manufacturing system, wherein the user specified path is a spatial representation of a desired toolpath; synthesizing candidate toolpaths for the geometry of the modeled object using variations of at least one toolpath parameter; measuring similarities between the candidate toolpaths and the user specified path, including comparing at least a spatial similarity between the candidate toolpaths and the user specified path; suggesting at least some of the candidate toolpaths based on the measured similarities; and determining a toolpath for use when manufacturing the modeled object in accordance with user input regarding the at least some of the candidate toolpaths.

A method and a corresponding system and computer program product are provided. A model of an object to be manufactured is obtained. Information about one or more available machine tools and one or more available cutting tools is obtained. A geometric feature to be machined as part of manufacturing the object is identified. A database including strategies for machining different geometric features is accessed. The database includes a plurality of strategies defining different ways of machining the identified geometric feature. One or more strategies are selected from the plurality of strategies based on the obtained information. A computer simulation is performed for the one or more selected strategies, and user instructions responsive to the computer simulation are received. Instructions for causing one or more machine tools to manufacture the object via subtractive manufacturing are provided based on the user instructions and a strategy of the one or more selected strategies.

The present technology relates to an information processing apparatus, an information processing method, and a program which enable analysis as to what a polishing progress shape looks like, with respect to an external force factor, a polishing object shape, and a material physical property value of a polishing object made up of a plurality of materials. Provided are an acquisition unit configured to acquire structure models corresponding to a second structure as an object to be polished by the first structure; a stress analysis unit configured to analyze a stress exerted on the second structure by the first structure; and a polishing response analysis unit configured to analyze a polishing state of the second structure. The present technology can be applied to an information processing apparatus that analyzes a state of progress of polishing in chemical mechanical polishing.

The present invention relates to a system for fabricating an interior design product by using a 3D printer, and a method thereof, the system and method being capable of enabling a user to select a design when the user access the interior design server and selects a specific interior design product, and delivering the interior design product of the selected design by fabricating the same by using a 3D printer. In addition, according to the present invention, the system includes: an interior design server providing a list of interior design products, providing a simulation enabling a user to place the selected product in a virtual space, and generating and outputting 3D printing information of the interior design product having the corresponding design; and a 3D product output center receiving the 3D printing information generated in the interior design server and fabricating the interior design product by using a 3D printer.

A machine learning device includes a data extraction unit that extracts first and second parameters from a plurality of machining programs. The machining programs numerically control a machine tool. The first parameter is a parameter to be adjusted, and the second parameter is a parameter used to adjust the first parameter. The machine learning device also includes a machine learning unit that learns a value of the first parameter according to a data set that includes the first and second parameters.

A method for qualifying a manufacturing process for a first component including a common geometric feature includes obtaining manufacturing data for the common geometric feature. The manufacturing data is associated with one or more qualified second components. The one or more qualified second components are different than the first component. Each of the one or more qualified second components include the common geometric feature. The method further includes modeling the manufacturing process for the common geometric feature of the one or more qualified second components using the manufacturing data, modeling the manufacturing process for the common geometric feature of the first component, obtaining manufacturing process parameters for the manufacturing process for the common geometric feature of the one or more qualified second components, and qualifying the manufacturing process for the common geometric feature of the first component.