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    • 4. 发明授权
    • Method for measuring slant wall thickness dimension of hub
    • US10132623B2
    • 2018-11-20
    • US15336219
    • 2016-10-27
    • CITIC Dicastal CO., LTD
    • Haiyi Wang
    • G01B5/004G01B21/04G01B21/08G01B5/00
    • The invention provides a method for measuring a slant wall thickness of a hub. Specifically, the hub is laid flatwise on a detection platform of a three-coordinate measuring machine; afterwards, a first inner wall point 1 and a second inner wall point 2 are sampled from an inner rim slant of the hub along a YZ axial section of the three-coordinate measuring machine, and X-axis coordinate values of the two points are set to zero to establish a first Cartesian coordinate system; the two points defined in step 101 are connected and configured into an axial line of a rim wall thickness; a second Cartesian coordinate system is established with a direction of the axial line of the rim wall thickness as a Y′ axis; an inner rim wall thickness point 3 from an inner rim wall, and an outer rim wall thickness point 4, both having X′ values of zero, are sampled; a two-dimensional distance between the inner rim wall thickness point 3 and the outer rim wall thickness point 4 in a Z′ axis is calculated under the second coordinate system and recorded as a measured slant wall thickness value of the hub. The method provided by the present invention has the advantages of avoiding the situation that the three-coordinate measuring machine has a large error in measuring a rim wall thickness due to the use of the detection platform as a benchmark, improving the accuracy of detection, and providing the basis of automated rim thickness detection.
    • 5. 发明申请
    • METHOD FOR MEASURING SLANT WALL THICKNESS DIMENSION OF HUB
    • US20170122718A1
    • 2017-05-04
    • US15336219
    • 2016-10-27
    • CITIC Dicastal CO., LTD
    • Haiyi Wang
    • G01B5/008G01B5/06
    • G01B21/04G01B5/0025G01B21/08
    • The invention provides a method for measuring a slant wall thickness of a hub. Specifically, the hub is laid flatwise on a detection platform of a three-coordinate measuring machine; afterwards, a first inner wall point 1 and a second inner wall point 2 are sampled from an inner rim slant of the hub along a YZ axial section of the three-coordinate measuring machine, and X-axis coordinate values of the two points are set to zero to establish a first Cartesian coordinate system; the two points defined in step 101 are connected and configured into an axial line of a rim wall thickness; a second Cartesian coordinate system is established with a direction of the axial line of the rim wall thickness as a Y′ axis; an inner rim wall thickness point 3 from an inner rim wall, and an outer rim wall thickness point 4, both having X′ values of zero, are sampled; a two-dimensional distance between the inner rim wall thickness point 3 and the outer rim wall thickness point 4 in a Z′ axis is calculated under the second coordinate system and recorded as a measured slant wall thickness value of the hub. The method provided by the present invention has the advantages of avoiding the situation that the three-coordinate measuring machine has a large error in measuring a rim wall thickness due to the use of the detection platform as a benchmark, improving the accuracy of detection, and providing the basis of automated rim thickness detection.