International Research Journal of Engineering and Technology (IRJET)
e-ISSN: 2395-0056
Volume: 11 Issue: 08 | Aug 2024
p-ISSN: 2395-0072
www.irjet.net
Design, Development, and Analysis of Pad Main Rotor Head Grip for Helicopters S. BARATHI 1, ABHISHEK S N RAJ 2 1Manager, Central Institute of Petrochemical Engineering Technology, CIPET, Mysuru. 2MTech Scholar, Government Tool Room and Training Centre, GTTC, Mysuru.
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Abstract - The project, titled "Design, Development, and
(b) Objective of Project: The project objectives are defined to establish the desired outcomes and milestones to be achieved by its conclusion. These objectives are structured to balance the dimensions of the project management triangle: quality, time, and cost.
Analysis of Pad Main Rotor Head Grip for Helicopters," aims to convert metal components to PEEK using advanced injection molding to enhance performance and reduce weight, while ensuring structural integrity and durability meet aerospace standards. It involves design optimization, rigorous material selection, and the development of sophisticated manufacturing processes, including structural analysis using Mold flow simulation. The focus is on evaluating mechanical properties such as strength, stiffness, and fatigue resistance to comply with aerospace requirements. This study contributes to lightweight design strategies in rotorcraft applications and advances efficiency and sustainability in aviation technology.
(c) Literature Survey: A comprehensive literature survey is conducted to review existing research and developments relevant to plastic components in aerospace applications. This section synthesizes various analyses and research findings, providing a foundation for informed decisionmaking and innovation. (d) Identification of Process Parameters: Critical process parameters such as press tool clearance, tolerance levels, material properties, and cost factors are identified and defined. These parameters play a pivotal role in shaping the design and manufacturing processes to ensure optimal performance and cost-effectiveness.
Key Words: Pad Main Rotor Head Grip, helicopter, PEEK (Polyether Ether Ketone), Mold flow simulation, injection molding, lightweight design, aerospace engineering.
1. INTRODUCTION
(e) Trial Runs to Establish Range of Parameters: Conducting trial runs is essential to validate and establish the optimal range of process parameters. These trials enable fine-tuning and adjustment of parameters to meet specified quality standards and performance criteria.
In aerospace engineering, optimizing materials for lightweight and high-performance components is crucial for enhancing aircraft efficiency. This project focuses on transforming the main rotor head grip of helicopters from metal to advanced plastic materials, specifically Poly Ether Ether Ketone (PEEK), using innovative injection molding techniques. The goal is to reduce weight while maintaining or improving structural integrity and performance standards. By employing advanced design and simulation tools, this project will compare the plastic grip with traditional metal versions to assess the feasibility and benefits of PEEK in aerospace applications. The initiative aims to advance lightweight design and manufacturing efficiency in rotorcraft technology.
(f) Design Optimization: Design optimization employs engineering methodologies to mathematically formulate and evaluate design alternatives. This iterative process aims to enhance the efficiency, functionality, and manufacturability of the main rotor head grip in plastic while meeting project objectives and constraints. (g) Production of Plastic Components: The production phase involves utilizing injection molding processes to manufacture the main rotor head grip from Poly Ether Ether Ketone (PEEK). This phase includes mold design and fabrication, ensuring that the plastic components meet stringent aerospace standards for performance and durability.
2. METHODOLOGY Methodology serves as the structured framework that outlines the systematic approach to achieving the objectives of the project, while aligning with its scope and requirements.
(h) Result Analysis: Analysis of results from production and testing phases is conducted to assess performance metrics and validate against project requirements. If the rejection rate exceeds acceptable levels, design rectifications are implemented, followed by further trials to verify improvements.
(a) Identification of Problem: The initial step involves thorough research and data collection to identify and define the problem statement accurately. This process ensures a clear understanding of the challenges associated with converting the main rotor head grip from metal to plastic.
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