
Utilizing 5-axis CNC machining centers, we process complex curved surfaces and precision components, with particular expertise in the integrated molding of aerospace parts such as impellers, casings, and other irregular thin-walled structural components.

We provide high-precision sheet metal cutting, bending, and welding services, ensuring aerospace components possess lightweight, high-strength, and high-temperature-resistant properties.

Utilizing high-precision CNC milling machines, we perform intricate machining of complex shapes and high-precision components to meet the high tolerance requirements in aerospace applications.

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.

Using Swiss CNC machines for high-precision machining of small components, specializing in aerospace sensor shafts, micro connectors, and other slender precision parts. These are ideal for meeting the strict machining standards of miniaturized and complex components in the aerospace industry.














| 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: The core of CNC machining for aerospace high-strength materials such as titanium alloys lies in strictly controlling heat and deformation. Special attention must be paid to cutting speed, tool selection, cooling methods, and cutting force control to ensure that the final components meet stringent tolerances and quality standards, which is key to successful machining.
A: Material Selection: Directly choose high-temperature resistant alloys such as nickel-based Inconel series, cobalt-based alloys, and titanium alloys.
Key Surface Reinforcement: Apply high-temperature, corrosion-resistant thermal barrier coatings (TBC) or protective coatings such as AlTiN or chromium coatings, or perform heat treatment on aerospace components.
Structural and Process Collaboration: Design cooling structures (such as film cooling holes) to reduce surface temperature; and strictly control residual stress during the manufacturing process to prevent the initiation of stress-corrosion cracks.
A: Advanced Aluminum Alloys: 7075, 2024, Al-Li alloys
Titanium Alloys: TC4 (Ti-6Al-4V), TC11, TA15
High-Temperature Alloys: Nickel-Based: Inconel 718, 737;Cobalt-Based: Haynes 188
Advanced Composites: Polymer Matrix: Carbon Fiber Reinforced Composites (CFRP);Metal Matrix: Silicon Carbide Reinforced Aluminum Matrix Composites (MMC)
Yumei Hardware produced precision copper parts for a leading North American energy storage company, holding ±0.01 mm tolerance on thin-wall copper features of 0.2 mm or less. This case study covers the project background, the machining challenges, our CNC machining solution, and the results. Project Background The client is a leading North American new energy […]
Choosing the right copper alloy for CNC machining requires balancing conductivity, machinability, dimensional accuracy, and production cost. Compare C101, C110, C145 to find the right material for your application.
Copper CNC machining looks simple until the first chips start wrapping around the tool. Copper is soft, ductile and an excellent conductor of heat, so it behaves very differently from steel or aluminum on the machine. This guide explains which tools to choose, which cutting parameters to start from, and how to avoid the problems […]
