INDICATION ERROR CALIBRATION DEVICE FOR THREE-JAW INNER DIAMETER MICROMETER

WIPO Patent Application WO/2021/213331

A1

An indication error calibration device for a three-jaw inner diameter micrometer (8), comprising a length measuring instrument (1), a five-axis worktable (2), a Y-direction movable support base (3), a manual lifting frame (4), a tilt adjustment frame (5), a V-shaped measurement seat (6) and a measured part clamping bracket (7), wherein the length measuring instrument (1) comprises a movable measuring seat measuring rod (1-1) and a fixed measuring seat (1-2); the five-axis worktable (2) and the movable measuring seat measuring rod (1-1) are each installed on the fixed measuring seat (1-2); the Y-direction movable support base (3) is installed on the five-axis worktable (2); the manual lifting frame (4) is installed on the Y-direction movable support base (3); the tilt adjustment frame (5) is connected to the manual lifting frame (4); the measured part clamping bracket (7) is connected to the tilt adjustment frame (5); and the V-shaped measurement seat (6) is attached to the five-axis worktable (2). The indication error calibration device for the three-jaw inner diameter micrometer (8) achieves the measurement of the three-jaw inner diameter micrometer (8) on the length measuring instrument (1), and has a simple calibration operation and low costs.

YANG FEI TIAN (CN)
ZOU GONG WEN (CN)
ZHANG PENG (CN)
YANG ZHENG (CN)

PCT/CN2021/088144

October 28, 2021

April 19, 2021

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CHOTEST TECH INC (CN)

G01B5/12

CN211953911U	2020-11-17
CN110763110A	2020-02-07
CN208671825U	2019-03-29
CN109926989A	2019-06-25
CN208269794U	2018-12-21
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CN2754053Y	2006-01-25
KR20090052075A	2009-05-25

SZ KINDWALF INTELLECTUAL PROPERTY FIRM (CN)

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