公开(公告)号：US20240003681A1

公开(公告)日：2024-01-04

申请号：US18225187

申请日：2023-07-24

Applicant: JIANGSU UNIVERSITY OF SCIENCE AND TECHNOLOGY

Inventor： Honggen Zhou ,  Guochao Li ,  Li Sun ,  Ying Tang ,  Baojiang Dong ,  Xiaoyan Guan ,  Xiaona Shi ,  Hengheng Wu ,  Qiulin Hou

IPC: G01B11/24 ,  G01B11/00

CPC classification number: G01B11/24 ,  G01B11/002

Abstract: A method for in-situ non-contact detection of a symmetry error of a keyway located on the shaft-type workpiece includes the following steps: establishing a detection system and a system calculation coordinate system; controlling rotation of a shaft-type workpiece, continuously acquiring data of a detection part by means of a laser displacement sensor, and calculating and analyzing the acquired data to obtain a symmetry error of a detection section; and moving the laser displacement sensor in an axis direction, and calculating symmetry errors of a plurality of sections of the keyway, to obtain a symmetry error of the keyway located on the shaft-type workpiece.

公开(公告)号：US12030151B2

公开(公告)日：2024-07-09

申请号：US17618500

申请日：2021-06-24

Applicant: JIANGSU UNIVERSITY OF SCIENCE AND TECHNOLOGY

Inventor： Guochao Li ,  Honggen Zhou ,  Yunlong Liu ,  Xiaoyan Guan ,  Xiaona Shi ,  Li Sun ,  Jianzhi Chen ,  Hengheng Wu ,  Qiang He ,  Feng Feng

IPC: B23Q17/20

CPC classification number: B23Q17/20

Abstract: The present invention discloses an in-place non-contact detection method for a shaft workpiece. The method includes: establishing a detection system, calibrating the detection system and establishing a detection coordinate system; analyzing a pose of a workpiece in the detection system to establish a coordinate system of a workpiece clamping device; controlling the workpiece clamping device of a shaft workpiece processing machine tool to rotate, continuously acquiring data by a linear laser measuring instrument, and calculating and analyzing the acquired data to obtain an ideal reference axis of the shaft workpiece; continuously acquiring data of a detection part, and calculating and analyzing the acquired data to obtain actual machining precision of runout of a shaft neck of a camshaft; and continuously acquiring data of the detection part, and calculating and analyzing the acquired data to obtain machining precision of coaxiality of the shaft workpiece.