CNC Milling Service
Precision CNC milling services for complex parts in aluminum, steel, titanium, and engineering plastics.
Overview
PiPrecision delivers precision CNC milling services for complex parts in aluminum, steel, titanium, and engineering plastics. Our multi-axis milling centers handle everything from simple brackets to intricate aerospace components requiring tight tolerances and superior surface finishes.
With ISO 9001-certified quality systems and a 99% customer satisfaction rate, we combine advanced manufacturing technology with rigorous inspection protocols to ensure every part meets your specifications. Our 0.26% return rate reflects our commitment to getting it right the first time.
Whether you need rapid prototyping, low-volume production, or high-volume manufacturing, our milling capabilities scale with your project requirements.
Capabilities
Standard 3-axis vertical machining for prismatic parts
Rotary table integration for complex geometries
Full 5-axis for intricate contours and reduced setups
Up to 15,000 RPM spindle speeds for aluminum
Capable of machining HRC 60+ hardened steels
Features as small as 0.1mm in diameter
Quality Assurance
- CMM (Coordinate Measuring Machine) inspection
- Surface roughness measurement (Ra, Rz)
- First Article Inspection Reports (FAIR) available
- Statistical Process Control (SPC) for production runs
Specifications
| Maximum Work Envelope | 800mm × 600mm × 500mm (31.5" × 23.6" × 19.7") |
| Positioning Accuracy | ±0.005mm (±0.0002") |
| Repeatability | ±0.003mm (±0.00012") |
| Standard Tolerance | ±0.05mm (±0.002") per ISO 2768-m |
| Precision Tolerance | ±0.005mm (±0.0002") available |
| Ultra-Precision | ±0.001mm (±0.00004") on request |
| Surface Finish (Standard) | Ra 1.6 μm (63 μin) |
| Surface Finish (Fine) | Ra 0.4 μm (16 μin) |
| Surface Finish (Mirror) | Ra 0.1 μm (4 μin) |
| Minimum Feature Size | 0.1mm (0.004") |
| Minimum Wall Thickness | 0.5mm (0.020") |
Equipment
Primary Machines
- HAAS VF-4SS — 5-Axis, 12,000 RPM, 30-tool ATC
- DMG MORI DMU 65 monoBLOCK — 18,000 RPM, integrated 5-axis
- HAAS VF-2SS — 3-Axis, 12,000 RPM, high-speed machining
- Brother Speedio S1000X1 — 16,000 RPM, rapid positioning
Inspection Equipment
- Hexagon Global Classic SR CMM — Coordinate measuring machine
- Mitutoyo Surftest SJ-210 — Surface roughness tester
- Vision Measurement System — For small features
Materials
| Material | Grades | Applications |
|---|---|---|
| Aluminum | 6061-T6, 7075-T6, 5052, 6082-T6, etc. | Aerospace, electronics, automotive |
| Stainless Steel | 303, 304, 316, 17-4PH, 420, etc. | Medical, marine, food processing |
| Steel | C45, Q235, 1018, 4140, A2, D2, etc. | Tooling, industrial, automotive |
| Titanium | Grade 2, Grade 5 (Ti-6Al-4V) | Aerospace, medical implants |
| Brass & Copper | C360, H59, C464, C110, T2, etc. | Electrical, decorative, plumbing |
| Engineering Plastics | ABS, POM, PEEK, PC, Delrin, Nylon, etc. | Medical, electrical insulation |
Sample Parts
Why Choose PiPrecision
- Quality Focus: ISO 9001 certified with 0.26% return rate
- Fast Delivery: 2 weeks standard turnaround
- Fast Response: Quotes within 24 hours
- 99% Satisfaction: Customer satisfaction rate