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Cutting Procedures, Tensile Testing, and Ageing of Flexible Unidirectional Composite Laminates
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Enhancing Cutting Efficiency and Minimizing Forces for Nomex Honeycomb Core Using Grey Relational Analysis and
Hassan Habib1, Muhammad Salman Khan1, Adnan Munir1
1School of Mechanical and Manufacturing Engineering, (SMME), National University of Sciences and Technology (NUST), H-12, Islamabad, 24090, Pakistan.
Small Methods
|December 17, 2023
Summary
This study optimizes milling operations for Nomex Honeycomb core, crucial for aerospace composites. Findings show feed rate and depth of cut significantly impact cutting forces and efficiency, leading to improved manufacturing precision.
Area of Science:
- Materials Science
- Manufacturing Engineering
- Aerospace Engineering
Background:
- Nomex Honeycomb core is vital for aerospace composite manufacturing.
- Machining accuracy and precision are critical for complex aerodynamic profiles.
- Cutting forces and efficiency are key metrics for assessing machining quality.
Purpose of the Study:
- To optimize the milling operation for Nomex Honeycomb core.
- To analyze the multi-objective function based on cutting forces and cutting efficiency.
- To investigate the impact of depth of cut in multi-objective optimization for Nomex Honeycomb core.
Main Methods:
- Design of Experiments using a Taguchi-based array.
- Analysis of Variance (ANOVA) and correlation analysis.
- Desirability Function Analysis and Grey Relational Analysis for optimization.
Main Results:
- Feed rate is the most significant factor for cutting forces (72% contribution).
- Depth of cut is the most significant factor for cutting efficiency (85% contribution).
- Optimized runs showed a 47.8% improvement in cutting forces and 11% in cutting efficiency.
Conclusions:
- The study successfully optimized milling parameters for Nomex Honeycomb core.
- The optimized parameters significantly improve cutting forces and efficiency.
- Experimental validation confirmed statistical predictions with less than 5% error.
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