Description of Core Titanium CNC Machining Equipment Capability
Our company is equipped with a complete set of high-end special processing equipment for titanium alloys, with full-process processing capabilities from rough machining to precision machining. The equipment precision, stability and adaptability meet the requirements of high-end fields such as aerospace, medical care, and marine engineering. The specific equipment list and parameters are as follows:
| CNC Equipment Type | Core Technical Parameters | Applicable Processing Scenarios | Supporting Auxiliary Systems |
| 5-axis CNC Machining Center |
X/Y/Z Axis Travel: 500/450/400mm; Spindle Speed: 12000r/min; Positioning Accuracy: ±0.003mm; Repeat Positioning Accuracy: ±0.0015mm; 5-axis Linkage Accuracy: ±0.002mm |
Complex Surfaces, Special-shaped Structural Parts (e.g., Aerospace Engine Blades, Medical Artificial Joints) |
High-pressure Cooling System (Pressure 40MPa), Automatic Tool Measuring System, Workpiece Online Detection System |
| Turn-mill Compound Machine Tool |
Maximum Machining Diameter: 500mm; Maximum Machining Length: 1500mm; Spindle Speed: 6000r/min; Turning Accuracy: ±0.002mm; Milling Positioning Accuracy: ±0.003mm |
Shaft Parts, Disc-shaped Titanium Alloy Parts (e.g., Marine Engineering Flanges, Automobile Engine Connecting Rods) |
Automatic Chip Removal System, Constant Temperature Control System, High-pressure Internal Cooling System |
| High-precision Vertical Machining Center |
X/Y/Z Axis Travel: 1524/635/610mm; Spindle Speed: 10000r/min; Positioning Accuracy: ±0.004mm; Repeat Positioning Accuracy: ±0.002mm |
Medium and Large Titanium Alloy Structural Parts, Batch Standardized Parts |
High-speed Cutting System, Automatic Tool Change System (Tool Magazine Capacity 24 Tools) |
| Precision Grinding Machine |
Grinding Accuracy: ±0.001mm; Surface Roughness Up to Ra≤0.02μm; Maximum Grinding Diameter: 400mm |
Precision Machining of High-precision Titanium Alloy Parts (e.g., Medical Implants, Aerospace Precision Shafts) |
Precision Grinding Fluid Filtration System, On-line Roughness Detection System |
Special Processing Technology Scheme for CNC Titanium Alloys
In view of the processing difficulties of titanium alloys such as high strength, low thermal conductivity, easy work hardening, and easy tool adhesion, our company has formulated a complete set of special process solutions, covering the whole process of turning, milling, 5-axis linkage machining, heat treatment, surface treatment, etc., to ensure both processing efficiency and product quality.
|
Processing Technology |
Applicable Titanium Alloy Grades |
Tool Selection |
Core Process Parameters |
Solutions for Processing Difficulties |
|
Finish Milling |
Gr5 (Ti-6Al-4V), Gr11 |
Cemented Carbide Tools (TiAlN Coating) |
Cutting Speed: 30-60m/min; Feed Rate: 0.05-0.2mm/r; Cutting Depth: 0.1-0.5mm; Cooling Method: High-pressure Oil Cooling (40MPa) |
Adopt "high feed rate, small cutting depth" mode to reduce cutting heat accumulation; high-pressure cooling system removes chips in real time to avoid tool adhesion; tool edge passivation treatment to reduce work hardening |
|
5-axis Linkage Machining |
Gr5 ELI, Gr9 |
Solid Cemented Carbide End Mills (Round Corner Edges) |
Spindle Speed: 8000-12000r/min; Feed Speed: 500-1500mm/min; Swing Angle Accuracy: ±0.001°; Step Distance: 0.1-0.3mm |
Adopt adaptive feed control technology to adjust parameters according to surface curvature; complete multi-process machining with one clamping to reduce clamping errors; monitor tool wear in real time and compensate automatically |
|
Deep Hole Machining (Hole Diameter ≤10mm, Depth-diameter Ratio ＞10) |
Gr2, Gr5 |
Internal Cooling Deep Hole Drills (Cemented Carbide) |
Cutting Speed: 20-40m/min; Feed Rate: 0.03-0.08mm/r; Cooling Pressure: 50MPa; Chip Removal Method: High-pressure Oil Cooling Forced Chip Removal |
Adopt stepped feed mode to avoid chip blockage; internal cooling tools reach the cutting area directly for precise temperature reduction; monitor the straightness of the hole in real time during processing and adjust in time |
|
Thin-walled Part Machining (Wall Thickness ＜2mm) |
Gr5, Ti-5553 |
High-speed Steel Tools (TiN Coating) |
Cutting Speed: 40-80m/min; Feed Rate: 0.02-0.05mm/r; Cutting Depth: 0.05-0.1mm; Clamping Method: Vacuum Adsorption Clamping |
Custom flexible tooling to reduce clamping deformation; adopt symmetric processing strategy to balance cutting force; perform aging treatment after processing to eliminate internal stress |
Heat Treatment and Surface Treatment Process Standards
Heat Treatment Process:
Strictly follow the AMS 2801 standard and customize schemes for different titanium alloy grades. For example, Gr5 titanium alloy adopts solution + aging treatment: solution temperature 920℃, heat preservation for 1h, air cooling; aging temperature 500℃, heat preservation for 4h, air cooling. After treatment, the hardness can reach 30-35HRC and the yield strength ≥860MPa
Surface Treatment Process:
Medical-grade Parts: Electropolishing treatment, surface roughness Ra≤0.4μm, meeting the ISO 10993 biocompatibility requirements;
Aerospace-grade Parts: Anodizing treatment, oxide film thickness 5-10μm, improving wear resistance and corrosion resistance;
Marine Engineering Parts: Chemical conversion film treatment, passing the ASTM B117 3000-hour salt spray test, with qualified corrosion resistance.
Precision and Quality Verification Capability
|
Testing Equipment Name |
Testing Accuracy |
Testing Range |
Calibration Cycle |
|
Coordinate Measuring Machine |
±0.5μm |
X/Y/Z: 900/1200/800mm |
6 Months |
|
Laser Scanner |
±0.01mm |
Scanning Range: 0.1-70m |
6 Months |
|
Surface Roughness Tester |
0.001μm |
Measuring Range: Ra 0.001-20μm |
3 Months |
|
Roundness Tester |
±0.0001mm |
Measuring Diameter: 0-40mm |
6 Months |
|
Ultrasonic Flaw Detector |
Minimum Detectable Defect: 0.1mm |
Testing Thickness: 1-100mm |
6 Months |
Titanium CNC Quality Verification Process
Our company implements a "three-level inspection" system (self-inspection → mutual inspection → special inspection). Each batch of products is provided with a complete quality inspection report, including the following core contents:
Raw Material Inspection Report: Material Certificate, Chemical Composition Analysis Report (e.g., Hydrogen Content ≤125ppm, Oxygen Content ≤0.20%), Mechanical Property Test Report;
Process Inspection Report: Dimension Inspection Records of Each Process, Heat Treatment Process Parameter Records, Surface Roughness Detection Data;
Finished Product Inspection Report: Full Dimension Detection Data (attached with Coordinate Measuring Diagram), Non-destructive Testing Report (Ultrasonic/Fluorescent Penetrant Testing Results), Surface Treatment Inspection Report;
Batch Traceability Record: Production Batch, Processing Equipment, Operators, Inspectors, Calibration Information of Testing Equipment, etc.
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