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<p>On-line measurement technologies have become essential tools in modern machining, offering advanced capabilities for process monitoring and control. These technologies are applied in diverse areas such as real-time monitoring of cutting operations, tool wear evaluation, energy usage analysis, dynamic system assessment, and the study of fundamental cutting mechanisms. This study presents a comprehensive analysis of current on-line measurement techniques employed in machining processes. Special emphasis is placed on the use of these techniques for exploring cutting mechanisms. The basic principles of key technologies, including imaging methods, digital image processing, and infrared thermography, are introduced and examined. The current research status of chip formation mechanisms, strain and strain rate distribution, stress analysis, and temperature measurements using on-line techniques is systematically reviewed. Their applications in determining constitutive model parameters and analyzing machined surface quality are also examined. Challenges and future directions in the development of on-line measurement for machining are also discussed. These findings are intended to support the advancement and wider adoption of next-generation machining technologies.</p>

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Advances in on-line measurement technology for cutting process

  • 期刊论文

  • 发表日期：

    2026年1月14日

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  • Wenxuan Pan,
  • Guohe Li,
  • Xiaoting Zhong,
  • Yuqi Wang,
  • Meixia Wang

摘要

On-line measurement technologies have become essential tools in modern machining, offering advanced capabilities for process monitoring and control. These technologies are applied in diverse areas such as real-time monitoring of cutting operations, tool wear evaluation, energy usage analysis, dynamic system assessment, and the study of fundamental cutting mechanisms. This study presents a comprehensive analysis of current on-line measurement techniques employed in machining processes. Special emphasis is placed on the use of these techniques for exploring cutting mechanisms. The basic principles of key technologies, including imaging methods, digital image processing, and infrared thermography, are introduced and examined. The current research status of chip formation mechanisms, strain and strain rate distribution, stress analysis, and temperature measurements using on-line techniques is systematically reviewed. Their applications in determining constitutive model parameters and analyzing machined surface quality are also examined. Challenges and future directions in the development of on-line measurement for machining are also discussed. These findings are intended to support the advancement and wider adoption of next-generation machining technologies.