Abstract: Workpiece data involving a product shape and having a smallest diameter for lathe turning around a turning axis is selected from the workpiece database, by comparing dimension data of a workpiece data with dimension data of a product model in a state in which the product model is arranged on the turning axis and the workpiece data is arranged so that a center axis of each workpiece matches a center of the turning axis. The workpiece model for lathe turning is created based on the selected workpiece data.

Abstract: A first machining-program creating unit creates a machining program for a two-spindle machine, including machining programs for a first process performed by using a first main spindle and a second process performed by using a sub-spindle. A second machining-program creating unit creates a machining program for a one-spindle machine, including machining programs for a third process and a fourth process performed by using a second main spindle. A selecting unit determines a type of a machine to use, and selects either one of the first machining-program creating unit and the second machining-program creating unit to start, based on the determined type of the machine.

Abstract: An automatic programming method of dividing a machining area into a first process region in which one end of a work model is held for a machining and a second process region in which other end of the work model is held for the machining, and creating a program for controlling a numerical control unit based on the division of the machining area realizes an automatic process dividing processing by calculating a position of evenly dividing the volume of the machining area in a direction of a turning axis as a process-dividing position indicating the boundary between the first process region and the second process region.

Abstract: An automatic programming method includes a first processing including detecting a turning surface having a largest diameter in the product model, and determining a central axis of rotation on the turning surface detected as a turning axis of the product model; a second processing including shifting or rotating the product model so that the turning axis of the product model determined matches a turning axis of the work model; and a third processing including shifting the product model so that an end face of the product model shifted at the second processing matches a program origin preset in the work model, for automatically arranging the product model so as to be overlapped on the work model.

Abstract: Workpiece data involving a product shape and having a smallest diameter for lathe turning around a turning axis is selected from the workpiece database, by comparing dimension data of a workpiece model with dimension data of a product model in a state in which the product model is arranged on the turning axis and the workpiece model is arranged so that a center axis of each workpiece matches a center of the turning axis. The workpiece model for lathe turning is created based on the selected workpiece data.

Abstract: A machining unit corresponding to a cursor position in an editor section and in a synthetic model of a product model and a work model displayed in a model display section is highlight-displayed, and at the time of editing a created NC creation program, it is clearly determined to which machining unit on the model the cursor position in the editor section corresponds.

Abstract: A first machining-program creating unit creates a machining program for a two-spindle machine, including machining programs for a first process performed by using a first main spindle and a second process performed by using a sub-spindle. A second machining-program creating unit creates a machining program for a one-spindle machine, including machining programs for a third process and a fourth process performed by using a second main spindle. A selecting unit determines a type of a machine to use, and selects either one of the first machining-program creating unit and the second machining-program creating unit to start, based on the determined type of the machine.

Abstract: An automatic programming method includes a first processing including detecting a turning surface having a largest diameter in the product model, and determining a central axis of rotation on the turning surface detected as a turning axis of the product model; a second processing including shifting or rotating the product model so that the turning axis of the product model determined matches a turning axis of the work model; and a third processing including shifting the product model so that an end face of the product model shifted at the second processing matches a program origin preset in the work model, for automatically arranging the product model so as to be overlapped on the work model.

Abstract: An electrical discharge machining apparatus includes a simulator. The simulator calculates machining information relating to machining shape at each of several simulated machining depths, when the electrode is moved into a workpiece, until an input machining depth is obtained, based on the shape of the electrode input, the shape of the workpiece, and the machining depth of the workpiece, and determines a shape obtained by subtracting the machining shape from the shape of the workpiece, as a new shape of the workpiece, at each simulated machining depth.

Abstract: A turning data generation unit and a drilling data generation unit generate machining data corresponding to machining forms generated by a machining form generation unit in consideration of the machining forms, and a machining program is generated to remove a machining form from a material form based on the machining data.

Abstract: A simulation device is provided with a speed ratio determining portion and a speed determining portion for calculating the maximum feeding speed of an operative part from an interference detecting distance and an interpolation period, and replacing the feeding speed of the operative part, which is read out by a program analyzing portion, with the maximum feeding speed; and an interpolating portion for determining interpolated points of a moving path of the operative part from the feeding speed of the operative part, which is replaced by the maximum feeding speed by the speed ratio determining portion and the speed determining portion, and the interpolation period. An interference check on the operative part is made at an interpolated point determined by the interpolating portion.

Abstract: A simulation device is provided with a speed ratio determining portion and a speed determining portion for calculating the maximum feeding speed of an operative part from an interference detecting distance and an interpolation period, and replacing the feeding speed of the operative part, which is read out by a program analyzing portion, with the maximum feeding speed; and an interpolating portion for determining interpolated points of a moving path of the operative part from the feeding speed of the operative part, which is replaced by the maximum feeding speed by the replacing means, and an interpolation period. An interference check on the operative part is made at an interpolated point determined by the interpolating portion.

Abstract: A machining region data creation apparatus and a machining region data creation method simplifying provision of machining information concerning multiple boring regions. In the machining region data creation apparatus decoding inputted three-dimensional shape data to create machining data for machining a work piece based on the decoding result, a boring region extraction unit receives three-dimensional finish shape data and extracts shapes of boring regions based on the three-dimensional finish shape data, a boring region analysis unit analyzes the shapes and the features of the boring regions based on three-dimensional shape data of each boring region, and a boring region classification unit classifies the boring regions based on the shapes and the features of the boring regions.

Abstract: An electrical discharge machining apparatus according to the present invention includes a simulator. The simulator calculates machining information relating to a machining shape at each simulated machining depth, when the electrode is moved to a workpiece at a predetermined depth, until the input machining depth is obtained, based on the input shape of the electrode, the shape of the workpiece, and the machining depth of the workpiece, and sets a shape obtained by subtracting the machining shape from the shape of the workpiece as a new shape of the workpiece at each simulated machining depth.

Abstract: There are provided a curved-surface state evaluating unit for forming evaluation data by arranging, virtually, a tool on a given scheduled path locus not interfering with a processed surface of a processing object and by setting tool path sample points to evaluate a state of the processed surface, a tool position data forming unit having a command speed deciding portion for deciding a command speed, at which the tool is moved, based on evaluation data of the tool path sample points, and a tool position deciding portion for deciding the tool position based on the command speed and a shape of a worked surface such that the tool does not interfere with the worked surface, wherein operation of the curved-surface state evaluating unit and operation of the tool position data forming unit are executed in real time.

Abstract: A turning data generation unit (23), a drilling data generation unit (25) and the like are provided to generate machining data corresponding to machining forms generated by a machining form generation unit (21) in consideration of the features of the machining forms, and a machining program is generated to remove a machining form from a material form on the basis of the machining data.

Abstract: A numerically controlled system includes a tool path sample point setting unit for forming evaluation data by arranging, virtually, a tool on a given scheduled path locus to come precisely into contact with a processed surface of a processing object and by setting tool path sample points to evaluate a shape of the processed surface, a discontinuity portion extracting unit for extracting a discontinuity portion based on the evaluation data, and a tool position data forming unit including a command speed deciding portion for deciding a command speed at which the tool is moved based on the evaluation data and a tool position deciding portion for deciding the tool position based on the command speed and the shape of the worked surface such that the tool comes into contact with the worked surface, wherein setting of the tool path sample points, extraction of the discontinuity portion, and decision of the tool position are carried out in real time.

Abstract: A numerical control system includes a curved-surface state evaluating unit for forming curved-surface evaluation data of evaluation points by arranging, virtually, the tool on a given scheduled path locus, that serves as the criterion of movement of a tool, to come into contact with a processed surface of a processing object, and by setting a plurality of evaluation points to evaluate the shape of the curved surface, a command speed deciding unit for deciding a command speed appropriately by using a passing speed and other data in the evaluation data, and a tool position data forming unit for calculating quickly a succeeding tool position by utilizing the evaluation data. The operations are performed in real time.

Abstract: A numerical control system includes a curved-surface state evaluating unit 20 for forming curved-surface evaluation data of evaluation points by arranging virtually the tool on a given scheduled path locus, that serves as the criterion of movement of a tool, to come into contact with a processed surface of a processing object and by setting a plurality of evaluation points to evaluate a shape of the curved surface, a command speed deciding unit 30 for deciding a command speed appropriately by using a passing speed and other data in the evaluation data, and a tool position data forming unit 40 for calculating quickly a succeeding tool position by utilizing the evaluation data. Above operations are performed in real time.

Abstract: A numerically controlled system includes a tool path sample point setting unit 20 for forming evaluation data by arranging virtually a tool on a given scheduled path locus to come precisely into contact with a processed surface of a processing object and by setting tool path sample points to evaluate a shape of the processed surface, a discontinuity portion extracting unit 30 for extracting a discontinuity portion based on the evaluation data, and a tool position data forming unit 40 including a command speed deciding portion 42 for deciding a command speed at which the tool is moved based on the evaluation data and a tool position deciding portion 43 for deciding the tool position based on the command speed and the shape of the worked surface such that the tool comes into contact with the worked surface, wherein setting of the tool path sample points, extraction of the discontinuity portion, and decision of the tool position are carried out in real time.