# US 12,181,854 B2 · Production using a machine tool of faces definable by cone segments > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,181,854 B2 - Document ID: US12181854B2 - Status: Granted - Kind: B2 - Application number: 18/018,755 - Filed: 2021-07-07 - Published: 2023-08-03 - Granted: 2024-12-31 - Earliest claimed: 2020-07-31 - Assignees: Siemens Aktiengesellschaft - Applicants: Siemens Aktiengesellschaft - Inventors: Jochen Bretschneider; Lars Immenroth; André Vieweg - Web page: https://patentgrep.com/patent/US12181854B2 ## CPC - G05B 19/182: {characterised by the machine tool function, e.g. thread cutting, cam making, tool direction control (G05B19/21 - G05B19/40 take precedence)} - G05B 19/4083: {Adapting program, configuration} - G05B 19/40938: {Tool management} - 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) - Y02P: CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS ## Abstract In a method for producing and/or machining a non-conical face of a workpiece defined by a segment of a cone, in particular a sealing face of a multiple-eccentric shut-off valve, using a machine tool having at least two linear axes and at least one rotary axis controlled by a numerical controller for generating a relative movement between a tool and the workpiece, a cycle is provided on the numerical controller and retrieved by a user of the machine tool. The user parameterizes the cycle, whereafter a part program is generated by the cycle for execution by the numerical controller. The executed part program generates the relative movement along a path determined by the part program to produce and/or machine the face of the workpiece. ## Claims ### Claim 1 A method for producing or machining a non-conical sealing face of a closure part or a non-conical sealing face of a valve seat of a shut-off valve using a machine tool having at least two linear axes and at least one rotary axis for generating a relative movement between a tool and the closure part or the valve seal, said method comprising: defining the non-conical sealing face by a segment of a cone; retrieving an executable cycle for producing or machining the non-conical sealing face by a user of the machine tool on a graphical user interface of a numerical controller of the machine tool which controls the linear and rotary axes; parameterizing the retrieved cycle by user input of geometric specifications of the segment of the cone defining the non-conical sealing face and input of manufacturing specifications for producing or machining the non-conical sealing face on the graphical user interface of the numerical controller; generating a parts program executable by the numerical controller with the parameterized cycle and the numerical controller without recourse to an external CAM system; and executing the parts program by the numerical controller to generate relative movement along a path defined by the parts program for producing or machining the non-conical sealing face. ### Claim 2 (depends on 1) The method of claim 1, wherein the non-conical sealing face is defined by the segment of an oblique cone, in particular of an oblique circular cone. ### Claim 3 (depends on 1) The method of claim 1, wherein the non-conical sealing face is defined by a straight circular cone, having a height line which is not parallel with a workpiece normal. ### Claim 4 (depends on 1) The method of claim 1, wherein the non-conical sealing face is embodied as a circular closed cone segment. ### Claim 5 (depends on 1) The method of claim 1, wherein the non-conical sealing face is machined by a turning operation. ### Claim 6 (depends on 1) The method of claim 1, wherein the shut-off valve is an eccentric, in particular a multiple-eccentric shut-off valve. ### Claim 7 (depends on 6) The method of claim 6, further comprising executing a radial compensating movement to compensate for an eccentricity in at least one linear axis of the machine tool. ### Claim 8 (depends on 1) The method of claim 1, wherein the parts program is generated at least partially in a polar coordinate format. ### Claim 9 (depends on 1) The method of claim 1, wherein the parts program is generated at least partially in a Cartesian format. ### Claim 10 (depends on 1) The method of claim 1, wherein the cycle generates the path at least partially in the form of directly adjacent splines, in particular 5th-order splines. ### Claim 11 (depends on 1) The method of claim 1, wherein the tool defines a tool radius and the parts program takes into account the tool radius, in particular in form of a tool radius correction. ### Claim 12 (depends on 1) The cycle of the numerical controller configured to execute the method as set forth in claim 1. ### Claim 13 (depends on 1) The numerical controller comprising the cycle and configured to execute the method as set forth in claim 1. ### Claim 14 (depends on 1) The machine tool comprising the numerical controller configured to execute the method as set forth in claim 1. ### Claim 15 (depends on 1) The method of claim 1, wherein the non-conical sealing face is further defined by specifications relating to size and position of a face on a lateral face of the cone.