# US 2014/0364992 A1 · Machining-program generating apparatus, machining-program generating method, and recording medium > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0364992 A1 - Document ID: US20140364992A1 - Status: Published application - Kind: A1 - Application number: 14/373,688 - Filed: 2012-04-27 - Published: 2014-12-11 - Earliest claimed: 2012-04-27 - Assignees: Mitsubishi Electric Corporation - Inventors: Daiki Abe - Web page: https://patentgrep.com/patent/US20140364992A1 ## CPC - G05B 19/4097: characterised by using design data to control NC machines, e.g. CAD/CAM (G05B19/4093 takes precedence) - B23H 1/02: Electric circuits specially adapted therefor, e.g. power supply, control, preventing short circuits or other abnormal discharges - B23H 7/20: for program control, e.g. adaptive - G05B 19/40931: {concerning programming of geometry} - B23H 7/06: Control of the travel curve of the relative movement between electrode and workpiece - G05B 2219/31001: CIM, total factory control - G05B 2219/36318: Enter start, begin and stop, end point - G05B 2219/45043: EDM machine, wire cutting - G05B 2219/45221: Edm, electrical discharge machining, electroerosion, ecm, chemical - Y02P 90/02: Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS] - G05B: CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS (systems for controlling or regulating non-electric variables G05D; systems for regulating electric or magnetic variables G05F; control devices or systems insofar as characterised by mechanical features only G05G) - B23H: WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL (processes for the electrolytic or electrophoretic production of coatings, electroforming, or apparatus therefor C25D; processes for the electrolytic removal of material from objects C25F; manufacturing printed circuits using precipitation techniques to apply the conductive material to form the desired conductive pattern H05K3/18) - Y02P: CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS ## Abstract A CAM apparatus includes: an input receiving unit that receives designation of a part where core fixing machining is performed in a machining shape forming a core and divides the machining shape into a first machining shape element for which the core fixing machining is performed and a second machining shape element, which is connected to the first machining element and for which the core fixing machining is not performed, a machining-condition setting unit that allocates a first electric condition for the core fixing machining to the first machining shape element and allocates a second electric condition to the second machining shape element, and a machining-program generating unit that generates a machining program for machining the second machining shape element under the second electric condition and continuously machining the first machining shape element under the first electric condition after the machining of the second machining shape element. ## Claims ### Claim 1 A machining-program generating apparatus that generates a machining program for causing a wire electric discharge machining apparatus to operate, the machining-program generating apparatus comprising: an input receiving unit that receives designation of a part where core fixing machining is performed in a machining shape forming a core and divides, on the basis of content of the received designation, the machining shape into machining shape elements including a first machining shape element for which the core fixing machining is performed, a second machining shape element for which the core fixing machining is not performed, the second machining shape element being connected to one end of the first machining shape element, and a third machining shape element for which the core fixing machining is not performed, the third machining shape element being connected to the other end of the first machining shape element; a machining-condition setting unit that allocates a first electric condition for the core fixing machining to the first machining shape element and allocates a second electric condition different from the first electric condition to the second and third machining shape elements; and a machining-program generating unit that generates a machining program for machining the second and third machining shape elements under the second electric condition, continuously machining the first machining shape element under the first electric condition after the machining of the second machining shape element, and, thereafter, machining the third machining shape element under the second electric condition. ### Claim 2 (depends on 1) The machining-program generating apparatus according to claim 1, wherein the second electric condition is an electric condition for rough machining or an electric condition for finishing. ### Claim 3 (depends on 2) The machining-program generating apparatus according to claim 2, wherein the input receiving unit receives an input for designating whether the machining is die machining or punching, when the die machining is designated, the machining-program generating unit generates a first machining program for, after machining all the machining shape elements excluding the first machining shape element in the machining shape forming the core under an electric condition for the rough machining and machining the first machining shape element under the second electric condition, temporarily stopping the machining program, and, after resuming the machining program, machining, for the work after the core is removed, the second machining shape element under an electric condition for finishing, and when the punching is designated, the machining-program generating unit generates a second machining program for machining all the machining shape elements excluding the first machining shape element in the machining shape forming the core under the electric condition for the rough machining, and after the machining under the electric condition for the rough machining, machining all the machining shape elements excluding the first machining shape element in the machining shape forming the core under the electric condition for the finishing, and, thereafter, continuously machining the first machining shape element under the first electric condition. ### Claim 4 (depends on 3) The machining-program generating apparatus according to claim 3, wherein, when a plurality of machining target cores are present, the first machining program temporarily stops the own program after the machining under the second electric condition is completed for the plurality of cores. ### Claim 5 A machining-program generating method for generating a machining program for causing a wire electric discharge machining apparatus to operate, the machining-program generating method comprising: an input receiving step for receiving designation of a part where core fixing machining is performed in a machining shape forming a core; a machining-shape-element generating step for dividing, on the basis of content of the received designation, the machining shape into machining shape elements including a first machining shape element for which the core fixing machining is performed, a second machining shape element for which the core fixing machining is not performed, the second machining shape element being connected to one end of the first machining shape element, and a third machining shape element for which the core fixing machining is not performed, the third machining shale element being connected to the other end of the first machining shape element; a machining-condition setting step for allocating a first electric condition for the core fixing machining to the first machining shape element and allocating a second electric condition different from the first electric condition to the second and third machining shape elements; and a machining-program generating step for generating a machining program for machining the second machining shape element under the second electric condition and continuously machining the first machining shape element under the first electric condition after the machining of the second machining shape element, and, thereafter, machining the third machining shape element under the second electric condition. ### Claim 6 (depends on 5) The machining-program generating method according to claim 5, wherein the second electric condition is an electric condition for rough machining or an electric condition for finishing. ### Claim 7 (depends on 6) The machining-program generating method according to claim 6, further comprising a machining-type-designation receiving step for receiving an input for designating whether the machining is die machining or punching, wherein the machining-program generating step includes: generating, when the die machining is designated, a first machining program for, after machining all machining shape elements excluding the first machining shape element in the machining shape forming the core under an electric condition for the rough machining and machining the first machining shape element under the second electric condition, temporarily stopping the machining program, and, after resuming the machining program, machining, for the work after the core is removed, the second machining shape element under an electric condition for finishing, and generating, when the punching is designated, a second machining program for machining all the machining shape elements excluding the first machining shape element in the machining shape forming the core under the electric condition for the rough machining, and after the machining under the electric condition for the rough machining, machining all the machining shape elements excluding the first machining shape element in the machining shape forming the core under the electric condition for the finishing, and, thereafter, continuously machining the first machining shape element under the first electric condition. ### Claim 8 (depends on 7) The machining-program generating method according to claim 7, wherein, when a plurality of machining target cores are present, the first machining program temporarily stops the own program after the machining under the second electric condition is completed for the plurality of cores. ### Claim 9 A recording medium having recorded therein a plurality of commands for causing a computer to generate a machining program for causing a wire electric discharge machining apparatus to operate, the plurality of commands causing the computer to execute: an input receiving step for receiving designation of a part where core fixing machining is performed in a machining shape forming a core; a machining-shape-element generating step for dividing, on the basis of content of the received designation, the machining shape into machining shape elements including a first machining shape element for which the core fixing machining is performed, a second machining shape element for which the core fixing machining is not performed, the second machining shape element being connected to one end of the first machining shape element, and a third machining shape element for which the core fixing machining is not performed, the third machining shape element being connected to the other end of the first machining shape element; a machining-condition setting step for allocating a first electric condition for the core fixing machining to the first machining shape element and allocating a second electric condition different from the first electric condition to the second and third machining shape elements; and a machining-program generating step generating a machining program for machining the second and third machining shape elements under the second electric condition, continuously machining the first machining shape element under the first electric condition after the machining of the second machining shape element, and, thereafter, machining the third machining shape element under the second electric condition.