Custom CNC Machined 7075 Aluminum Drone Frame Arm Mount Hub for Multi-Rotor UAV Structure

Description

This precision CNC machined drone frame arm mount hub is engineered for high-performance multi-rotor UAV systems, where strength, weight reduction, and structural stability are critical. Manufactured from aerospace-grade 7075-T6 aluminum, this component delivers an excellent strength-to-weight ratio, making it ideal for both industrial and professional drone applications.

Designed as the central structural hub of the drone frame, this part connects multiple arms while providing a stable mounting platform for key onboard electronics such as flight controllers, ESCs, and power distribution systems. The optimized radial layout ensures precise alignment of each arm, contributing to improved flight balance and operational reliability.

Leveraging advanced 3-axis to 5-axis CNC machining, the component features complex geometries, tight tolerances, and high positional accuracy. Strategic weight-reduction pockets and reinforced rib structures are integrated to minimize mass without compromising mechanical strength—meeting the demanding requirements of UAV flight dynamics.

The surface is treated with high-quality anodizing (standard blue finish), offering enhanced corrosion resistance, wear protection, and a professional appearance. Custom colors and surface finishes are also available to meet branding or application-specific needs.

Parameter Specification
Product Name Custom CNC Machined Drone Frame Arm Mount Hub
Application Multi-Rotor UAV / Drone Frame Structure
Material Options Aluminum 7075-T6 / 6061-T6 (Standard: 7075-T6)
Manufacturing Process CNC Milling (3-axis / 4-axis / 5-axis Machining)
Surface Treatment Anodizing (Blue / Black / Red / Custom Colors)
Surface Roughness Ra 0.8 – 3.2 μm
Tolerance ±0.01 mm (Critical Areas ±0.005 mm)
Part Size Range Up to 500 mm (Customizable)
Wall Thickness ≥ 1.0 mm (depending on design)
Weight Lightweight Design (Optimized per Drawing)
Thread Standard Metric (ISO) / UNC / UNF
Hole Accuracy ±0.01 mm
Flatness ≤ 0.02 mm
Perpendicularity ≤ 0.02 mm
Edge Condition Deburred / Chamfered
Color Options Blue (Standard), Black, Silver, Red, Gold, Custom
Inspection Equipment CMM / Height Gauge / Calipers / Projector
Quality Control 100% Inspection for Critical Dimensions
File Formats Supported STEP / STP / IGS / IGES / STL / DWG / PDF
MOQ 1 Piece (Prototype)
Lead Time 3–7 Days (Prototype), 7–15 Days (Mass Production)
Packaging Foam + Carton / Custom Packaging
OEM / ODM Supported
Certification (Optional) ISO 9001 / RoHS

Additional information

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