Study Compares CNC, SLM, and Metal Extrusion for UAV Component Manufacturing

Comparing Manufacturing Methods for UAV Parts

A new peer-reviewed study examines the environmental and economic tradeoffs of manufacturing VTOL (Vertical Take-Off and Landing) UAV components using three different methods: CNC milling, Selective Laser Melting (SLM), and metal extrusion.

The Three Approaches

CNC Milling is the traditional subtractive manufacturing method, removing material from a solid block. It's well-understood and offers high precision but produces significant material waste.

Selective Laser Melting (SLM) is an additive manufacturing process that fuses metal powder layer by layer using a high-powered laser. It can create complex geometries but has higher energy consumption and material costs.

Metal Extrusion is a newer additive approach that pushes metal through a nozzle to build parts layer by layer. It offers a middle ground between cost and complexity.

Key Findings

The study evaluates each method based on material usage, energy consumption, production speed, and cost per part. The results provide guidance for manufacturers choosing between these technologies based on their specific requirements—whether prioritizing cost, sustainability, or part complexity.

Industry Implications

For UAV manufacturers, the choice of manufacturing method can significantly impact both the cost and environmental footprint of production. This study provides data-driven guidance for making more informed decisions about production workflows.