# US 8,784,158 B2 · Continuous grinding machine > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 8,784,158 B2 - Document ID: US8784158B2 - Status: Granted - Kind: B2 - Application number: 13/478,759 - Filed: 2012-05-23 - Published: 2012-11-29 - Granted: 2014-07-22 - Earliest claimed: 2011-05-27 - Assignees: Hans Weber Maschinenfabrik GmbH - Applicants: Georg Weber - Inventors: Georg Weber - Web page: https://patentgrep.com/patent/US8784158B2 ## CPC - B24B 21/06: involving members with limited contact area pressing the belt against the work, e.g. shoes sweeping across the whole area to be ground (B24B21/12 takes precedence) - B24B 41/005: {Feeding or manipulating devices specially adapted to grinding machines (feeding, loading or unloading work specially adapted to lapping machines B24B37/345)} - B24B 49/04: involving measurement of the workpiece at the place of grinding during grinding operation - B24B: MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING (grinding of gear teeth B23F, of screw-threads B23G1/36; by electro-erosion B23H; abrasive or related blasting B24C; tools for grinding, buffing or sharpening B24D; polishing compositions C09G1/00; abrasives C09K3/14; electrolytic etching or polishing C25F3/00; grinding arrangements for use on assembled railway tracks E01B31/17); DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS ## Abstract In a continuous grinding machine for grinding the surface of flat workpieces (20) with at least one grinding station and a transport device (10) for moving the workpieces (20) relative to the grinding station, the grinding station having at least one grinding assembly (22) with a grinding belt (26) and a pressure device (34) for pressing the grinding belt (26) against the workpiece surface, and with a control device (38) for controlling the pressure device (34) depending on the workpiece contour, the transport device (10) is reversible with respect to its feed direction and the control device (38) has means (36) for detecting the workpiece contour depending on the feed direction. ## Claims ### Claim 1 A continuous grinding machine for grinding the surface of flat workpieces with at least one grinding station and a transport device for moving the workpieces relative to the grinding station, the grinding station having at least one grinding assembly with a grinding belt and a pressure device for pressing the grinding belt against the workpiece surface, and with a control device for controlling the pressure device depending on the workpiece contour, wherein the transport device is reversible with regard to its feed direction and in that the control device has means for detecting the workpiece contour depending on the feed direction. ### Claim 2 (depends on 1) The continuous grinding machine according to claim 1, wherein the means for detecting the workpiece contour comprise two sensor arrangements which—with respect to the first feed direction—are arranged in front of and behind the grinding assembly, respectively, and which serve to scan the contour of a workpiece moving into the grinding station. ### Claim 3 (depends on 1) The continuous grinding machine according to claim 1, wherein the means for detecting the workpiece contour comprise a sensor arrangement which—with respect to a first feed direction—is arranged in front of the grinding assembley for scanning the contour of a workpiece entering the grinding station, as well as means for inverting the contour data obtained during a first passage with respect to the direction of passage. ### Claim 4 (depends on 1) The continuous grinding machine according to claim 1, wherein the grinding station has several assemblies for machining the workpiece surface which assemblies are selectively operable. ### Claim 5 (depends on 1) The continuous grinding machine according to claim 1, wherein the grinding station has a longitudinal belt grinding assembly and/or a transverse belt grinding assembly. ### Claim 6 (depends on 1) The continuous grinding machine according to claim 1, wherein it has a plurality of grinding stations arranged subsequently in the direction of passage. ### Claim 7 (depends on 2) The continuous grinding machine according to claim 2, wherein the grinding station has several assemblies for machining the workpiece surface which assemblies are selectively operable. ### Claim 8 (depends on 3) The continuous grinding machine according to claim 3, wherein the grinding station has several assemblies for machining the workpiece surface which assemblies are selectively operable. ### Claim 9 (depends on 2) The continuous grinding machine according to claim 2, wherein the grinding station has a longitudinal belt grinding assembly and/or a transverse belt grinding assembly. ### Claim 10 (depends on 3) The continuous grinding machine according to claim 3, wherein the grinding station has a longitudinal belt grinding assembly and/or a transverse belt grinding assembly. ### Claim 11 (depends on 4) The continuous grinding machine according to claim 4, wherein the grinding station has a longitudinal belt grinding assembly and/or a transverse belt grinding assembly. ### Claim 12 (depends on 2) The continuous grinding machine according to claim 2, wherein it has a plurality of grinding stations arranged subsequently in the direction of passage. ### Claim 13 (depends on 3) The continuous grinding machine according to claim 3, wherein it has a plurality of grinding stations arranged subsequently in the direction of passage. ### Claim 14 (depends on 4) The continuous grinding machine according to claim 4, wherein it has a plurality of grinding stations arranged subsequently in the direction of passage. ### Claim 15 (depends on 5) The continuous grinding machine according to claim 5, wherein it has a plurality of grinding stations arranged subsequently in the direction of passage.