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公开(公告)号：US10207382B2
公开(公告)日：2019-02-19
申请号：US15309731
申请日：2015-07-13
Applicant: Rollomatic SA
Inventor： Jean-Charles Marty , David Bissat
Abstract: The invention concerns a method for machining a workpiece (1) by a grinding machine, comprising the step of rotating and translating the workpiece along a first axis (4) toward the first abrasive wheel; rotating an abrasive wheel (6) around a second axis (61) and translating it along a third axis (62) such that the abrasive wheel grinds a peripheral portion (103) of the workpiece; the abrasive wheel being positioned in a position in translation along the third axis; and wherein the position in translation is determined as a function of a position and of an angular position of the workpiece around the first axis. The invention further related to a grinding machine for carrying out such method.
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公开(公告)号：US12017320B2
公开(公告)日：2024-06-25
申请号：US16971611
申请日：2019-03-27
Applicant: ROLLOMATIC SA
Inventor： Jean-Charles Marty
Abstract: The invention concerns a method and a grinding machine (4) for machining a workpiece (1) comprising a desired helical groove. The method comprises a step of grinding a calibration groove (12) on the surface (10) of the workpiece according to a predetermined helix pattern of the desired helical groove and by means of an abrasive wheel (2) of the grinding machine. The calibration groove (12) has a calibration length that is equal or smaller than the predetermined length of the desired helical groove and has a calibration depth (120) that is smaller than the predetermined depth of the desired helical groove. The method comprises steps of: determine an abrasive wheel dimension (22, 23, 24, 25) of the abrasive wheel (2) by measuring the calibration depth; and using the determined wheel dimension (22, 23, 24, 25) for grinding the desired helical groove by means of the abrasive wheel (2).
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公开(公告)号：US20210122002A1
公开(公告)日：2021-04-29
申请号：US16971611
申请日：2019-03-27
Applicant: ROLLOMATIC SA
Inventor： Jean-Charles MARTY
Abstract: The invention concerns a method and a grinding machine (4) for machining a workpiece (1) comprising a desired helical groove. The method comprises a step of grinding a calibration groove (12) on the surface (10) of the workpiece according to a predetermined helix pattern of the desired helical groove and by means of an abrasive wheel (2) of the grinding machine. The calibration groove (12) has a calibration length that is equal or smaller than the predetermined length of the desired helical groove and has a calibration depth (120) that is smaller than the predetermined depth of the desired helical groove. The method comprises steps of: determine an abrasive wheel dimension (22, 23, 24, 25) of the abrasive wheel (2) by measuring the calibration depth; and using the determined wheel dimension (22, 23, 24, 25) for grinding the desired helical groove by means of the abrasive wheel (2).
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公开(公告)号：US20170182613A1
公开(公告)日：2017-06-29
申请号：US15309731
申请日：2015-07-13
Applicant: Rollomatic SA
Inventor： Jean-Charles MARTY , David BISSAT
Abstract: The invention concerns a method for machining a workpiece (1) by a grinding machine, comprising the step of rotating and translating the workpiece along a first axis (4) toward the first abrasive wheel; rotating an abrasive wheel (6) around a second axis (61) and translating it along a third axis (62) such that the abrasive wheel grinds a peripheral portion (103) of the workpiece; the abrasive wheel being positioned in a position in translation along the third axis; and wherein the position in translation is determined as a function of a position and of an angular position of the workpiece around the first axis. The invention further related to a grinding machine for carrying out such method.
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