CUTTING PROCESS DIAGNOSTICS UTILISING A SMART CUTTING TOOL |
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| Affiliation: | 1. Dow Division of Health Services Research, Department of Urology, University of Michigan Health System, Ann Arbor, MI;2. Department of Industrial and Operations Engineering, University of Michigan, Ann Arbor, MI;3. Department of Urology, University of Wisconsin, Madison, WI;4. Department of Urology, University of Pittsburgh School of Medicine, Pittsburgh, PA;5. Department of Orthopaedic Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA;6. W.P. Carey School of Business, Arizona State University, Tempe, AZ;7. Department of Genitourinary Oncology, H. Lee Moffitt Cancer Center & Research Institute, Tampa, FL;8. VA Health Services Research and Development, Center for Clinical Management Research, VA Ann Arbor Healthcare System, Ann Arbor, MI;1. Russell H. Morgan Department of Radiology and Radiological Sciences, Johns Hopkins University, 601 N Caroline St, JHOC 4240, Baltimore, MD 21287;2. Department of Radiology and Imaging, Hospital for Special Surgery, New York, New York;3. The Center for Healthcare Improvement Science and Department of Radiology, Virginia Mason Medical Center, Seattle, Washington;4. Department of Plastic and Reconstructive Surgery, Johns Hopkins University, Baltimore, Maryland |
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| Abstract: | A new sensorised boring tool has been developed to enhance the flexibility and precision of line boring processes. A position sensor and tool tip actuator to control and its controller electronics were integrated into a cutting tool. To take further advantage of this highly sophisticated tool, a process diagnostic method based on cutting force measurement method was developed. An observer implemented in the tool controller estimates the disturbance to the actuator using the tool position sensing information. The estimated disturbance is the same as cutting force applied to the tool tip. The algorithm utilising the cutting force to detect cutting process faults, such as tool tip breakage and misalignment of workpiece has been designed and tested experimentally. |
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