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Related Experiment Video

Updated: Jul 11, 2025

A Sectioning, Coring, and Image Processing Guide for High-Throughput Cortical Bone Sample Procurement and Analysis for Synchrotron Micro-CT
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Multi-objective optimization of cortical bone grinding parameters based on particle swarm optimization.

Qingchun Zheng1, Yuying Zhu1, Zhenhao Fan1

  • 1Tianjin Key Laboratory for Advanced Mechatronic System Design and Intelligent Control, School of Mechanical Engineering, National Demonstration Center for Experimental Mechanical and Electrical Engineering Education, Tianjin University of Technology, Tianjin, China.

Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine
|November 3, 2023
PubMed
Summary
This summary is machine-generated.

Optimizing grinding parameters for craniotomy reduces force damage and enhances efficiency. This study found optimal settings for spindle speed, feed rate, and grinding depth, balancing minimal force and maximal material removal.

Keywords:
Cortical bone grindinggrinding forcematerial removal ratemulti-objective optimizationparticle swarm optimization

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Area of Science:

  • Biomedical Engineering
  • Materials Science
  • Surgical Technology

Background:

  • Craniotomy involves grinding cortical bone, a critical step requiring precise parameter control.
  • Inadequate grinding parameters can lead to excessive force, tissue damage, and reduced surgical efficiency.

Purpose of the Study:

  • To optimize grinding parameters for cortical bone during craniotomy.
  • To minimize grinding force while maximizing the material removal rate.
  • To provide theoretical guidance for clinical application.

Main Methods:

  • Developed regression equations for material removal rate and grinding force based on cortical bone grinding theory.
  • Employed a full factorial test design to gather experimental data.
  • Utilized a particle swarm optimization algorithm for multi-objective parameter optimization.

Main Results:

  • Identified optimal grinding parameters: 5000 rpm spindle speed, 60 mm/min feed rate, and 0.6 mm grinding depth.
  • Achieved a minimized grinding force of 15.1 N.
  • Reached a maximized material removal rate of 113.8 mm³/min.

Conclusions:

  • The optimized parameters effectively balance the conflicting objectives of minimizing grinding force and maximizing material removal rate.
  • This optimization provides valuable theoretical guidance for selecting appropriate cortical bone grinding parameters in clinical craniotomy procedures.