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In-Process Error-Matching Measurement and Compensation Method for Complex Mating.

Shih-Ming Wang1, Ren-Qi Tu2,3, Hariyanto Gunawan2,3

  • 1Department of Mechanical Engineering, National Chung Hsing University, Taichung 40227, Taiwan.

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Summary
This summary is machine-generated.

This study introduces an error-matching method to enhance assembly accuracy for complex shapes. The developed system significantly reduces mating errors, improving precision in manufacturing processes.

Keywords:
complex matingerror compensationerror matingin-process measurement

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Area of Science:

  • Manufacturing Engineering
  • Mechanical Engineering
  • Metrology

Background:

  • Achieving high precision in assembly matching, especially for complex geometries, remains a challenge in modern manufacturing.
  • Existing methods often struggle with real-time error compensation, leading to reduced accuracy and increased production costs.

Purpose of the Study:

  • To propose and validate an error-matching measurement and compensation method for curve and complex mating scenarios.
  • To develop an online system capable of automatically generating error-compensated NC programs for improved machining accuracy.

Main Methods:

  • Utilizing polynomial curve fitting and least squares methods for precise error analysis and identification.
  • Developing an algorithm for effective error compensation tailored to complex mating shapes.
  • Implementing an online error-matching compensation system with an autorevising function module.

Main Results:

  • Demonstrated significant improvement in assembly matching accuracy, with errors reduced from 0.116 mm to 0.048 mm in curve-type mating.
  • Achieved substantial error reductions in complex mating experiments: 81% for straight lines, 87% for triangles, and 79% for curves.
  • Verified the system's capability to enhance assembly accuracy for diverse and complex mating shapes without compromising production efficiency.

Conclusions:

  • The proposed error-matching measurement and compensation method effectively enhances assembly accuracy for challenging mating scenarios.
  • The developed online compensation system offers a practical solution for real-time error correction in automated manufacturing.
  • This approach holds potential for broader applications in precision engineering and complex assembly tasks.