Maozhong Precision: Expert in Precision Machining of Drone Metal Components

Maozhong Precision: Expert in Precision Machining of Drone Metal Components

We specialize in high-tolerance (±0.005mm) CNC machining and surface finishing for UAV components. Using aviation-grade aluminum, titanium and stainless steel, we manufacture custom parts that deliver superior strength, corrosion resistance and flight stability.

From motor mounts to structural frames, each component undergoes rigorous quality control to meet AS9100 aerospace standards.

We specialize in high-precision CNC machining and professional surface treatment for drone metal components, serving as a professional precision UAV components manufacturer. Utilizing advanced 5-axis machining centers and strict process controls, we provide integrated precision manufacturing solutions for custom drone parts made from materials ranging from aluminum and titanium to stainless steel. We ensure every component meets aviation application standards in dimensional accuracy, mechanical strength, and weather resistance.

Core Machining Capabilities

1. Multi-Axis CNC Precision Machining

  • Equipment: 5-axis simultaneous machining centers, precision mill-turn centers.

  • Accuracy: Standard ±0.005mm, with key features achievable up to ±0.002mm. This ±0.005mm tolerance is fundamental for the stable flight of high-end drones.

  • Advantage: Complex structures are machined in a single setup, ensuring geometric and positional tolerances, specifically designed for the efficient production of 5-axis CNC drone parts.

Technical Specifications for Multi-Axis Machining

  • Machine Type: DMG MORI, MAZAK

  • Work Envelope: Up to 1200mm x 800mm x 600mm

  • Tool Magazine Capacity: 120+ tools

Programming Software
  • Mastercam

  • Siemens NX

  • Autodesk Fusion 360

File Format Support
  • STEP

  • IGES

  • Parasolid

2. Precision CNC Turning

  • Applicability: Shafts, sleeves, and rotary body components.

  • Accuracy: Roundness ≤0.003mm, surface roughness Ra ≤0.4μm.

  • Capacity: Precision turning for diameters from 3-150mm and lengths up to 500mm.

CNC Lathe Models

  • High Precision: Citizen Cincom L32

  • Heavy Duty: Haas ST-30Y

Chuck Size Range
  • 3-jaw chuck: 80-250mm

  • Collet system: 16-65mm

3. Specialized Process Support

  • Thread Machining: Precision internal and external threads (Metric, Imperial, Unified), with 100% Go/No-Go gauge inspection.

  • Deep Hole Drilling: High-precision holes with diameters of 1-10mm and a depth-to-diameter ratio ≤15:1.

  • Thin-Wall Machining: Structural parts with wall thickness ≥0.5mm, with deformation controlled to <0.05mm.

Material Machining Expertise

We specialize in the CNC Machining of various aviation materials to ensure optimal performance for drone components.

Aviation-Grade Aluminum Alloys

  • 6061-T6: Excellent overall properties, used for fuselage frames and mounting plates. This is the most common material for aluminum drone parts.

  • 7075-T6: Ultra-high strength, used for motor mounts and high-load structural parts.

  • 5052-H32: Good formability, used for enclosures and protective covers.

Material Property Comparison

Property 6061-T6 7075-T6 5052-H32
Tensile Strength 310 MPa 570 MPa 230 MPa
Yield Strength 276 MPa 503 MPa 193 MPa
Density 2.70 g/cm³ 2.81 g/cm³ 2.68 g/cm³
Heat Treatment Details
  • 6061-T6: Solution heat treated at 530°C, then artificially aged

  • 7075-T6: Solution heat treated at 480°C, then artificially aged

  • 5052-H32: Strain hardened and stabilized

Specialized Materials

  • TC4 Titanium Alloy: Extremely high strength-to-weight ratio, used for critical load-bearing components.

  • Stainless Steel 304/316: Excellent corrosion resistance, used for components in marine environments.

  • Pre-hardened Tool Steel: Used for manufacturing fixtures, jigs, and inspection gauges.

Material Assurance

  • Each material batch is accompanied by original mill test reports (chemical composition, mechanical properties).

  • Pre-storage ultrasonic flaw detection ensures internal material integrity.

  • Pre-stabilization heat treatment is applied to sensitive materials to minimize machining deformation.

Professional Surface Treatment Solutions

We offer comprehensive surface finishing for drone parts to enhance corrosion resistance, wear resistance, and appearance.

Anodizing (For Aluminum Parts)

  • Standard Anodizing: 8-12μm, basic corrosion protection, with black/natural color options.

  • Hard Anodizing: 25-50μm, surface hardness HV≥400, wear-resistant, suitable for high-contact parts like motor mounts.

  • Color Anodizing: Custom colors like red/blue/gold for part identification and classification.

Anodizing Process Parameters

  • Temperature: 18-22°C for standard, 0-5°C for hard anodizing

  • Current Density: 1.5-2.0 A/dm²

  • Bath Composition: Sulfuric acid based with additives

Quality Control for Anodizing
  • Salt spray test: 72-1000+ hours depending on specification

  • Coating thickness measurement: Eddy current method

  • Adhesion test: Tape test per ASTM D3359

Chemical Treatments

  • Passivation: For stainless steel, enhances corrosion resistance, compliant with ASTM A967.

  • Conductive Oxidation: For aluminum alloys, coating thickness 0.5-1μm, maintains conductivity.

  • Electroless Nickel Plating: Uniform coating, high hardness, excellent wear resistance.

Physical Treatments

  • Precision Sandblasting: Uniform matte or glossy finish, options from 80-220 mesh.

  • Mechanical Polishing: Mirror or brushed finish, surface roughness Ra ≤0.1μm.

  • Laser Marking: Permanent identification, supports QR code traceability.

Quality System

Inspection Capabilities

  • Dimensional Inspection: CMM (accuracy ±0.001mm), vision measuring systems, profilometers.

  • Surface Inspection: Roughness testers, coating thickness gauges, color difference meters.

  • Material Verification: Spectrometers, hardness testers.

Measurement Equipment Details

  • CMM Model: Hexagon Global S 07.10.07

  • Measurement Accuracy: ±0.001mm

  • Working Volume: 700x1000x600mm

Calibration Schedule
  • CMM: Quarterly calibration

  • Micrometers: Monthly verification

  • Height gauges: Bi-weekly check

Process Control

  • First-Article Confirmation: Full-dimension verification of the first piece from each batch before full production.

  • Inspection Rounds: Key processes are checked and recorded every 2 hours.

  • Full Inspection Standard: 100% CMM inspection for critical mating dimensions.

Certification & Standards

  • Quality Management: ISO 9001:2015 certified.

  • Process Reference: Compliant with AS9100 Aerospace Quality Management System requirements.

  • Environmental Compliance: Meets RoHS and REACH directives.

Certificate Numbers

  • ISO 9001: MAOZ-2023-001

  • RoHS Compliance: MAOZ-ENV-2024

Typical Machining Workflow

Taking a 7075 Aluminum Alloy Motor Mount as an example:

  1. Material Cutting → 2. Rough Machining (0.3mm stock) → 3. Stress Relief Heat Treatment → 4. Semi-Finish Machining (0.1mm stock) → 5. Natural Aging → 6. Finish Machining (to final dimensions) → 7. Deburring & Cleaning → 8. Hard Anodizing → 9. Laser Marking → 10. Final Inspection & Packaging

Process Time Allocation

  • Design Review: 1-2 days

  • Programming: 1 day

  • Machining: 3-5 days

  • Surface Treatment: 2-3 days

  • Inspection: 1 day

Standard Lead Time: 7-12 working days (depending on batch size). Need to customize your drone components? Contact us immediately for a quote.

Get A Quote

Submit your drawings or part specifications today for a fast, detailed quotation and expert manufacturing advice.

More about us

Get A Quote

If you are interested in this exceptional product, please feel free to contact us through the message box on the left side or the contact information provided below. We are eager to collaborate with you for a brighter future!