Method for in-situ non-contact detection of symmetry error of keyway located on shaft-type workpiece
US12379206B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 24, 2023 |
| Grant date | Aug 5, 2025 |
| Priority date | — |
| Expiry date | Jan 23, 2044 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01B11/002
- WIPO fieldMeasurement
- WIPO sectorInstruments
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.