Title:
【発明の名称】関節アームを有する座標測定機械
Document Type and Number:
Japanese Patent JP2000510945
Kind Code:
A
Abstract:
A coordinate measuring machine includes a support structure, an articulated arm having a first end pivotally connected to the support structure and a second end that is movable in a horizontal plane. A Z-ram assembly is mounted to the second end of the articulated arm. The Z-ram assembly includes a Z-ram housing and a probe that is vertically movable with respect to the Z-ram housing. The probe is movable within a measurement volume defined by the articulated arm and the Z-ram assembly. The coordinate measuring machine further includes a measuring assembly for determining coordinates of the probe in the measurement volume. The articulated arm preferably includes first and second arm assemblies that have a parallelogram configuration to prevent substantial rotation of the Z-ram assembly as the articulated arm is moved in the horizontal plane. The angles of the articulated arm are preferably measured using a sensor which includes a pattern of parallel, straight grating lines.
Inventors:
Girtin, raymond jay
Die, yuzun
Peshkov, Vitaly
Beckwith, Walter El, Jr.
Charlton, thomas, junior
Die, yuzun
Peshkov, Vitaly
Beckwith, Walter El, Jr.
Charlton, thomas, junior
Application Number:
JP53499696A
Publication Date:
August 22, 2000
Filing Date:
May 15, 1996
Export Citation:
Assignee:
Brown & Sharp Manufacturing Company
International Classes:
G01B5/008; G01B7/00; G01B5/00; (IPC1-7): G01B5/00; G01B7/00
Attorney, Agent or Firm:
Kazuo Shamoto (5 outside)