Design of load cell for measurement ultrasonic percussive drilling forces

V K-S Loong, J. Wojewoda, Marian Wiercigroch

Research output: Contribution to journalArticlepeer-review


In this article a novel design of a load cell for the measurement of highly dynamic forces generated during high-frequency percussive drilling is presented. It allows for a high-volume accurate measurement of low-amplitude and high-frequency (ultrasonic) dynamic forces while retaining high mechanical stiffness. The load cell consists of three piezotransducers mounted between the base and the top disc. To achieve a required level of signal synchronization between the signals from individual transducers, the piezotransducers are appropriately preloaded. The paper discusses the design procedure, instrumentation set-up and sample experimental measurements.

Original languageEnglish
Pages (from-to)965-972
Number of pages8
JournalProceedings of Institution of Mechanical Engineers - Part C
Issue number8
Publication statusPublished - 2001


  • load cell
  • high-frequency percussive drilling
  • cutting forces


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