Utilizing 5-axis CNC machining centers, we process complex curved surfaces and precision components, and performs particularly well in the integrated forming of core UAV parts such as impellers of UAV power systems, lightweight fuselage shells and various special-shaped thin-walled structural parts.
We provide high-precision sheet metal cutting, bending, and welding services, specializing in lightweight and high-strength drone structural parts and protective components. Our parts are engineered to deliver excellent rigidity, vibration resistance, and environmental durability.
With our high-precision CNC milling machines, Yumei is able to finely machine complex, non-standard geometries and high-precision core components required for drones, fully meeting the industry’s stringent tolerance and quality requirements.
Using precision CNC Turning machines to machine rotating parts, ensuring high accuracy, rigidity, and surface integrity, while accommodating the processing of special materials.
Combining milling and turning processes, completing multi-surface machining in a single setup, ensuring critical geometric tolerances and assembly consistency, while improving machining efficiency.
We use Swiss-type CNC machines for high-precision machining of small components, specializing in slender, high-rigidity drone parts such as micro-sensor shafts, precision connectors, and flight-control interfaces. These processes provide essential technical support for achieving lightweight design, high integration, and stable signal transmission in drone systems.
| Permissible deviations in mm for ranges in nominal lengths | Tolerance class:designation (description) | |||
|---|---|---|---|---|
| f (fine) | m (medium) | c (coarse) | ||
| Linear Dimensions | ||||
| 0.5 up to 3 | ±0.05 | ±0.1 | ±0.2 | |
| over 3 up to 6 | ±0.05 | ±0.1 | ±0.3 | |
| over 6 up to 30 | ±0.1 | ±0.2 | ±0.5 | |
| over 30 up to 120 | ±0.15 | ±0.3 | ±0.8 | |
| over 120 up to 400 | ±0.2 | ±0.5 | ±1.2 | |
| over 400 up to 1000 | ±0.3 | ±0.8 | ±2.0 | |
| over 1000 up to 2000 | ±0.5 | ±1.2 | ±3.0 | |
| over 2000 up to 4000 | - | ±2.0 | ±4.0 | |
| External Radius and Chamfer Heights | ||||
| 0.5 up to 3 | ±0.2 | ±0.2 | ±0.4 | |
| over 3 up to 6 | ±0.5 | ±0.5 | ±1.0 | |
| over 6 | ±1.0 | ±1.0 | ±2.0 | |
| Angular Dimensions | ||||
| up to 10 | ±1º | ±1º | ±1º30' | |
| over 10 up to 50 | ±0º30' | ±0º30' | ±1º | |
| over 50 up to 120 | ±0º20' | ±0º20' | ±0º30' | |
| over 120 up to 400 | ±0º10' | ±0º10' | ±0º15' | |
| over 400 | ±0º5' | ±0º5' | ±0º10' | |
A: Carbon Fiber Reinforced Polymer (CFRP)：Fuselage and Frame: Used for the primary structure of the drone.
Wings and Rotors: Ideal for components that require a combination of strength and lightweight characteristics.
Landing Gear: Provides durability while minimizing weight.
Aluminum Alloys：Commonly used for the drones’ main body and wings.
High-Density Foam：Used in the initial stages of drone design and testing. Often combined with other materials for added strength and insulation.
Polycarbonate：Protect sensitive electronics and provide visibility for cameras. Ensures durability while maintaining optical clarity.
Nylon：Often used for Propellers and Guards，Provide strength and resilience against impacts.
A: 3D Printing,CNC Machining,sheet metal cutting and forming,Cast Urethane,Injection Molding...
A: CNC machining is like a surgical tool in the field of UAV manufacturing—precise, powerful, and essential for producing complex parts that must fit together perfectly.
One of its biggest advantages is versatility. CNC machining can handle a wide range of materials—aluminum, titanium, carbon-fiber plates, and more. Whenever UAV designs require extremely high precision (which is very common), CNC machining becomes the top choice.
Take drone arms and motor mounts as an example. These components must align perfectly to maintain balance during flight. CNC machines can mill them with exceptional accuracy, eliminating the need for additional finishing.
Another major advantage is repeatability. Once a part is designed and tested, thousands of identical copies can be produced consistently—critical for scalability.
A practical breakdown of CNC milling cost drivers—from material and tooling to cycle time—paired with proven strategies to lower machining expenses.
Discover how CNC machining tolerances are controlled and how process planning, tooling, temperature, inspection, and GD&T affect precision.
5-Axis CNC Machining Services simplify complex part production by reducing setups, improving accuracy, and enabling efficient machining of difficult geometries.
