Remanufacturing System with Chatter Suppression for CNC Turning.

Area of Science:

• Manufacturing Engineering
• Computer-Aided Design (CAD)
• Reverse Engineering

Background:

• Manufacturing machine spare parts often requires precise replication of existing components.
• Traditional methods can be time-consuming and may not account for optimal machining parameters.
• Minimizing vibrations during machining is crucial for part accuracy and tool longevity.

Purpose of the Study:

• To present a novel support system for manufacturing machine spare parts.
• To integrate reverse engineering, CAD, and finite element analysis (FEA) for optimized production.
• To demonstrate the system's effectiveness in producing accurate replacement parts with minimized machining vibrations.

Main Methods:

• Utilizing a reverse engineering module for feature recognition from 3D part scans.
• Generating a CAD geometrical model from scan data.
• Developing a machining strategy using a CAM system.
• Building a finite element model (FEM) for defining technological parameters to reduce vibration risks.
• Integrating FEM-derived parameters into the CAM module.

Main Results:

• Successful generation of a CAD model from a 3D scan.
• Development of an integrated machining strategy incorporating vibration-minimizing parameters.
• Production of a replacement part for a shaft-class component.
• Validation of replacement part accuracy using the iterative closest point (ICP) algorithm, achieving Root Mean Square Error (RMSE) at scanner accuracy level.

Conclusions:

• The proposed support system effectively enables the manufacture of accurate machine spare parts.
• Integration of reverse engineering, CAD, FEA, and CAM significantly enhances the manufacturing process.
• The system minimizes the risk of vibrations, leading to high-fidelity replacement parts.