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公开(公告)号：US11656068B2
公开(公告)日：2023-05-23
申请号：US17872820
申请日：2022-07-25
Applicant: Tokyo Seimitsu Co., Ltd.
Inventor： Kosuke Tomita , Ryo Takanashi
Abstract: A workpiece diameter measurement method includes: detecting positions of a probe while relatively rotating an uncalibrated standard and a detector around a rotation center in a state where the probe is in contact with a circumferential face of the standard from one side in a displacement direction of the probe, detecting the positions of the probe while relatively rotating the standard and the detector around the rotation center in a state where the probe is in contact with the circumferential face from another side in the displacement direction, calculating the position of the rotation center based on the detected positions, relatively rotating a workpiece and the detector around the rotation center in a state where the probe is in contact with the workpiece from the other side, and calculating a diameter of a circumferential face of the workpiece.
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公开(公告)号：US09581424B2
公开(公告)日：2017-02-28
申请号：US14565058
申请日：2014-12-09
Applicant: Tokyo Seimitsu Co., Ltd.
Inventor： Ryo Takanashi
CPC classification number: G01B5/201 , G01B5/0014 , G01B5/20
Abstract: A roundness measuring apparatus, which has a small space required for installation and of which measurement error due to a temperature change is small, is disclosed. The roundness measuring apparatus includes: a base; a turn-table which is fixed to the base and rotates a work placed on the turn-table; a two-dimensional moving mechanism provided at the base so as to move a holder holding part in parallel to a measurement plane including a rotation axis of the turn-table and a measuring point of the work; a detector holder attached to the holder holding part; and a detector attached to the detector holder so that a probe can be displaced on the measurement plane.
Abstract translation: 公开了一种具有安装所需的空间小，温度变化导致测量误差小的圆度测量装置。 圆度测量装置包括：底座; 固定在基座上并转动放置在转台上的工件的转台; 二维移动机构，其设置在所述基座上，以使保持器保持部平行于包括所述转台的旋转轴线和所述工件的测量点的测量平面移动; 附接到所述保持器保持部的检测器保持器; 以及附接到检测器保持器的检测器，使得探针可以在测量平面上移位。
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公开(公告)号：US09719769B2
公开(公告)日：2017-08-01
申请号：US15207356
申请日：2016-07-11
Applicant: TOKYO SEIMITSU CO., LTD.
Inventor： Ryo Takanashi
Abstract: A bidirectional displacement detector according to the present invention includes: a displacement detector which includes a first detection element and a second detection element; a base at which the first detection element is provided; an arm which is coupled to the base so as to be rotatable around an arm rotation axis extending in a horizontal direction, and at which the second detection element is provided; and a probe which is coupled to the base so as to be rotatable around a probe rotation axis perpendicular to the arm rotation axis. The probe has a contact part provided at a position away from the probe rotation axis, and a pair of abutment parts which is disposed along a direction of the arm rotation axis and on both sides with the probe rotation axis interposed therebetween and comes into contact with the arm so as to be able to be separated from the arm. Each of the pair of abutment parts is in contact with the arm from the lower side thereof and is biased upward.
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公开(公告)号：US20160161239A1
公开(公告)日：2016-06-09
申请号：US14565058
申请日：2014-12-09
Applicant: Tokyo Seimitsu Co., Ltd.
Inventor： Ryo Takanashi
IPC: G01B5/20
CPC classification number: G01B5/201 , G01B5/0014 , G01B5/20
Abstract: A roundness measuring apparatus, which has a small space required for installation and of which measurement error due to a temperature change is small, is disclosed. The roundness measuring apparatus includes: a base; a turn-table which is fixed to the base and rotates a work placed on the turn-table; a two-dimensional moving mechanism provided at the base so as to move a holder holding part in parallel to a measurement plane including a rotation axis of the turn-table and a measuring point of the work; a detector holder attached to the holder holding part; and a detector attached to the detector holder so that a probe can be displaced on the measurement plane.
Abstract translation: 公开了一种具有安装所需的空间小，温度变化导致测量误差小的圆度测量装置。 圆度测量装置包括：底座; 固定在基座上并转动放置在转台上的工件的转台; 二维移动机构，其设置在所述基座上，以使保持器保持部平行于包括所述转台的旋转轴线和所述工件的测量点的测量平面移动; 附接到所述保持器保持部的检测器保持器; 以及附接到检测器保持器的检测器，使得探针可以在测量平面上移位。
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