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A new method for cylindricity error evaluation based on increment-simplex algorithm.

Dongliang Liu1, Peng Zheng1, Jianghao Wu1

  • 1School of Mechanical and Power Engineering, Zhengzhou University, Zhengzhou, China.

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|October 8, 2020
PubMed
Summary
This summary is machine-generated.

A new increment-simplex algorithm improves cylindricity error evaluation efficiency for industrial metrology. This method enhances accuracy and speed in analyzing geometric product specifications (GPS).

Keywords:
Cylindricity errorGPSerror evaluationincremental optimization methodoperational operator

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Area of Science:

  • Industrial Metrology
  • Geometric Product Specification (GPS)

Background:

  • Geometric errors significantly impact product quality and function.
  • Cylindricity error is a critical form error indicator for manufactured parts.
  • High-precision detection and specification of cylindricity error are key areas in industrial metrology.

Purpose of the Study:

  • To propose a novel cylindricity error evaluation method using an increment-simplex algorithm.
  • To enhance the efficiency of cylindricity error analysis while maintaining accuracy.
  • To address the growing demands of Geometric Product Specification (GPS) in industrial applications.

Main Methods:

  • Analysis of existing cylindricity evaluation strategies, including extraction methods (circular section, helicoid line, generatrix line, bird-cage).
  • Construction of mathematical models for various cylindricity fitting methods (least squares, minimum circumscribed, maximum inscribed, minimum zone) in different coordinate systems.
  • Development and theoretical analysis of a new cylindricity error optimization evaluation method based on the increment-simplex algorithm.

Main Results:

  • Experimental comparison of the increment-simplex algorithm against traditional methods.
  • Evaluation of accuracies and efficiencies of different cylindricity measurement and evaluation strategies.
  • Demonstration of the effectiveness and feasibility of the proposed increment-simplex algorithm.

Conclusions:

  • The increment-simplex algorithm offers improved efficiency for cylindricity error analysis.
  • The new method meets accuracy requirements for industrial metrology applications.
  • This research contributes to advancements in Geometric Product Specification (GPS) and precision manufacturing.