Development of a laser-based measurement system for evaluation of the scraping workpiece quality

Tung Hsien Hsieh, Wen Yuh Jywe, Hsueh Liang Huang, Shang Liang Chen

Research output: Contribution to journalArticlepeer-review

20 Citations (Scopus)

Abstract

A laser-based measurement system for evaluation of the scraping workpiece quality that can eliminate contact-induced measurement errors and increase measurement accuracy is proposed. The laser-based measurement system comprises a light-scattering-type triangulation laser, a computer numerical control (CNC) machine tool, and an analog-to-digital (A/D) card. The triangulation laser measures the depth of the scraping spots and the CNC machine tool locates their position. The 3D data of the scraping workpiece is then drawn using the least squares method. Cast iron and Turcite workpieces can be measured. Five parameters of the scraping workpiece, namely peak points per square inch, percentage of points, distribution of heights of points or depth of surroundings, edge shape of the grooves, and flatness, can be evaluated. The scanning rate and sampling rate of the laser-based measurement system are 100 mm/s and 10 KHz, respectively. In the future, an appliance machine based on the proposed system will be designed for the on-line detection of scraping workpieces.

Original languageEnglish
Pages (from-to)1045-1053
Number of pages9
JournalOptics and Lasers in Engineering
Volume49
Issue number8
DOIs
Publication statusPublished - 2011 Aug

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Mechanical Engineering
  • Electrical and Electronic Engineering

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