Precision 5-Axis CNC Machining for Complex Parts
PRECI5 delivers high-tolerance multi-axis manufacturing solutions for mission-critical applications. Operating 8 simultaneous Mazak 5-axis machining centers and dedicated ZEISS coordinate measuring systems, we partner with overseas mechanical engineers, procurement managers, and R&D teams from initial prototype development through sustained series production.
Comprehensive plant envelope in Shenzhen, China
Simultaneous machining up to 24,000 RPM
Sub-micron dimensional verification
AS9100D, ISO 13485 & IATF 16949 compliant
Engineering Advantages of Simultaneous 5-Axis Machining
Complex geometry manufacturing demands zero compromise on geometric dimensioning and tolerancing (GD&T). Our multi-axis infrastructure eliminates multi-setup positioning error, providing OEM engineering teams with single-clamping accuracy and structural reliability.
Single-Setup True Positioning
Machining 5 faces in a unified coordinate system eliminates human refixturing error and datum transfer variation. Concentricity, perpendicularity, and true position tolerances are maintained across convoluted surfaces.
Shorter Tooling & Surface Quality
Dynamic tool orientation permits the use of rigid, stubby cutting tools. Reduced tool chatter and tool deflection directly translate to Ra 0.4 μm or superior Ra finishes on complex aerodynamic blades, impellers, and deep pockets.
Undercuts & Organic Contours
Continuous synchronized movement along X, Y, Z, A, and C rotary axes enables the seamless machining of compound curves, complex internal ports, swept channels, and multi-axis undercuts without custom secondary EDM steps.
Precision Machining Services & Capabilities
Integrated multi-spindle and milling capabilities configured to support demanding mechanical specifications from engineering prototypes to continuous recurring contracts.
Simultaneous 5-Axis Milling
High-velocity multi-axis contouring on complex aerospace structural nodes, fluid pump impellers, and high-frequency microwave housings.
Mazak C600 Platform4-Axis & 3-Axis Precision Milling
Extensive high-speed vertical machining fleet for prismatic housings, base plates, electronics chassis, and precision optical fixtures.
39 Mazak VCN-430AL UnitsMulti-Tasking Turn-Mill
Combined turning and rotary milling in single setups for cylindrical valve spools, aerospace shafts, connectors, and precision bushings.
Mazak QTC100MY Live ToolingHorizontal CNC Machining
Dual-pallet horizontal systems configured for mid-to-high volume transmission cases, fluid bodies, and precision industrial frames.
Mazak HCN5000 Dual PalletManufacturing Capacity at a Glance
PRECI5 operates 114 primary production machine tools directly maintained in our Shenzhen facility, ensuring capacity flexibility and schedule adherence.
| Equipment Type | Model Identification | Units Available | Working Envelope (X × Y × Z) | Spindle / Configuration Details |
|---|---|---|---|---|
| 5-Axis Simultaneous Machining Center | Mazak C600 5-Axis | 8 | 900 × 900 × 700 mm | 24,000 RPM high-speed motorized spindle |
| 4-Axis Vertical Machining Center | Mazak VCN-430AL | 39 | 560 × 430 × 510 mm | High-precision indexing rotary table |
| Horizontal Machining Center (HMC) | Mazak HCN5000 | 2 | 730 × 730 × 740 mm | Dual pallet changer with B-axis rotary |
| Turn-Mill Center with Live Tooling | Mazak QTC100MY | 10 | Ø 320 × 500 mm (Z-travel) | Y-axis off-center milling capability |
| High-Speed Precision CNC Lathe | Mazak QTE100 | 12 | Ø 250 × 300 mm | Sub-spindle high-accuracy turning |
| High-Rigidity Vertical Machining Center | FANUC VMC | 18 | Standard Production Envelopes | High-speed contouring & rigid tapping |
| Auxiliary & Support Machining Centers | Precision Grinding & Milling | 25 | Varied Specification | Surface grinding, tool prep & secondary operations |
| Total Machining Units In Plant | 114 | Full internal maintenance & periodic laser calibration | ||
Strict Quality Validation & Metrology Standards
Our independent inspection facility provides dimensional traceability against ASME Y14.5 GD&T schematics. We ensure total verification before dispatch through complete First Article Inspection Reports (FAIR / AS9102), Production Part Approval Process (PPAP Level 3), and standard full dimensional reports.
ZEISS CMM (Coordinate Measuring Machine)
Measurement Volume: 700 × 700 × 600 mm. Temperature-controlled metrology laboratory with continuous optical scanning and touch-trigger probe arrays.
Sirius High-Accuracy CMM
Measurement Volume: 500 × 600 mm. High-speed dimensional verification for tight turnarounds on prismatic parts.
Comprehensive Testing Equipment
-
✓Surface Roughness Profilometry:
Digital Mitutoyo stylus testers evaluating Ra, Rz, and Rmax to 0.1 μm precision.
-
✓Hardness Testing:
Rockwell (HRC/HRB) and Vickers (HV) verification following heat treatment and anodizing.
-
✓Concentricity & Roundness Testing:
Dedicated dial runout indicators and optical circularity instruments for rotating shafts.
-
✓XRF Material Spectrometry:
Non-destructive positive material identification (PMI) confirming raw alloy composition.
-
✓Thread & Optical Gauging:
Calibrated go/no-go plug and ring gauges, optical comparators, and video measuring systems.
Engineering Materials & Certified Traceability
We procure raw bar stock, billet plates, and forgings exclusively from certified mills with complete chemical analysis and mechanical property mill test certificates (MTC / 3.1).
Aluminum Alloys
Structural & High-Strength
6061-T6, 7075-T651, 2024-T3, 5083-H111, 6082-T6. Stress-relieved for minimum distortion during intensive pocketing.
Stainless Steels
Corrosion & Wear Resistant
AISI 304/304L, 316/316L, 17-4PH (H900, H1150), 15-5PH, 410, 420. High-rigidity machining with optimal chip breaking.
Titanium & Superalloys
High Temperature & Strength
Grade 5 (Ti-6Al-4V), Grade 2, Inconel 718, Inconel 625, Hastelloy C-276. Controlled tool cooling regimes to mitigate thermal work hardening.
Engineering Plastics
Dimensional & Dielectric Control
PEEK (virgin / glass-filled), POM (Delrin), PTFE, PPS, Ultem 1000, PVDF. Precision clamping strategies to prevent thermal expansion creep.
Serving Demanding Industrial Sectors
Engineering departments worldwide rely on our 5-axis infrastructure for critical assemblies where component failure is not an option.
Aerospace & Defense
Structural bulkheads, avionics brackets, satellite transponder chassis, sensor housings, and fuel system manifolds machined with strict weight-reduction pockets.
Medical & Life Sciences
Surgical robotics articulation wrists, orthopedic drill guides, diagnostic endoscopy enclosures, and titanium implant prototypes meeting cleanroom assembly requirements.
Automotive & E-Mobility
EV motor rotor prototypes, battery cold plate assemblies with internal micro-channels, lightweight suspension knuckles, and turbocharger compressor wheels.
Robotics & Automation
High-torque harmonic drive motor housings, end-of-arm tooling frames, optical alignment blocks, and laser positioning stages with exact planar parallelism.
Transition Seamlessly: Prototype to Volume Production
Our multi-axis engineering cell provides bridge manufacturing from initial DFM design validation through high-rate continuous delivery without requalification delays.
DFM & CAM Simulation
Review of 3D CAD models (STEP, IGES, Parasolid), analysis of tool clearance, gouge checking, and setup simplification prior to metal removal.
First Article Inspection
Complete dimensional inspection using ZEISS CMM with AS9102-compliant documentation provided directly to client engineering for approval.
Batch Production & SPC
Transfer to dedicated multi-spindle cells, automated tool wear compensation, and in-process statistical process control (Cp/Cpk monitoring).
Custom Packaging & Logistics
Precision component packaging with custom thermoformed trays, vapor-corrosion inhibiting (VCI) wrapping, and door-to-door air freight coordination.
Quality Management System & Certifications
PRECI5 maintains a rigorously audited quality management system. Production workflows adhere to international industry standards for safety, precision, and environmental responsibility.
Complex Geometry Capabilities & Case Studies
Engineered execution across representative part families demanding tight tolerances, freeform surfaces, and complex 5-axis toolpaths.
Shrouded Closed Impellers & Blisks
Machined from solid 7075-T6 and Titanium Ti-6Al-4V billets. Continuous 5-axis flank milling eliminates multi-piece welding, maintaining continuous aerodynamic blade geometry with dynamic balancing certification.
Thin-Walled Avionics Chassis
Aluminum 6061-T6 housings featuring 0.8 mm rib wall thicknesses and complex internal EMI shielding pockets. High-speed 24,000 RPM spindles minimize internal stress warping and maintain flange flatness.
Multi-Axis Surgical Robot Links
Machined from medical-grade 17-4PH stainless steel and PEEK. Simultaneous 5-axis articulation pathways allow for continuous bearing journals, cable routing channels, and weight-reducing pocket geometries.
About PRECI5
Established in the global manufacturing epicenter of Shenzhen, China, PRECI5 operates as a technical contract manufacturer specializing in high-complexity 5-axis CNC milling, precision multi-tasking turning, and certified metrology.
Unlike general commercial job shops, our engineering and production departments focus exclusively on tight-tolerance, geometric-intensive parts that require advanced CAM simulation, rigid fixturing, and CMM dimensional reporting.
We maintain transparent technical communication with western engineering teams, providing timely DFM feedback, material certification packs, and complete measurement traceability throughout the production lifecycle.
Why Global OEMs Work With Us
Work directly with English-proficient mechanical and CAM application engineers who understand GD&T specifications.
Standardized Mazak 5-axis and 4-axis platforms supported by calibrated ZEISS metrology systems.
Full documentation of lot heat numbers, positive material identification (XRF), and certified finish processes.
Strict internal data segregation, NDA governance, and secure data storage for proprietary CAD designs.
Frequently Asked Questions
Technical answers to common sourcing, quality, and manufacturing inquiries from mechanical engineers and procurement teams.
What maximum part envelope can your 5-axis machines accommodate?
Our Mazak C600 5-axis machining centers feature a working envelope of up to 900 × 900 × 700 mm with a 24,000 RPM high-speed motorized spindle. For horizontal applications, our Mazak HCN5000 dual-pallet centers support envelopes up to 730 × 730 × 740 mm.
How do you verify complex freeform surface geometry?
We use high-precision ZEISS coordinate measuring machines (700 × 700 × 600 mm) equipped with continuous scanning probe systems. CMM point clouds are directly aligned against your original STEP or IGES solid models to measure surface profile deviations, positional tolerances, and organic contours against ASME Y14.5 or ISO 1101 standards.
What documentation is provided with international shipments?
Standard documentation packages include mill test certificates (MTC 3.1) confirming chemical composition, heat treatment charts, full dimensional CMM inspection reports, surface roughness certificates, and Certificate of Conformance (CoC). When requested, we deliver complete AS9102 FAIR or PPAP Level 3 documentation.
What CAD and drawing formats do you accept for engineering reviews?
We recommend native 3D solid files in STEP (.step, .stp), Parasolid (.x_t), or IGES (.igs) alongside fully dimensioned 2D PDF drawings that identify critical GD&T tolerances, datum references, surface finishes, and specific threading standards (UNC, UNF, Metric).
Can you handle secondary surface finishing and heat treatments?
Yes. Through qualified and audited processing partners, we provide Type II and Type III (hardcoat) anodizing, chemical conversion (chem film/chromate), electroless nickel plating, vacuum heat treatment, case hardening, passivating, bead blasting, and precision cylindrical grinding.
How do you ensure IP protection for proprietary mechanical designs?
We execute formal non-disclosure agreements (NDAs) prior to file transfer. All customer CAD files, technical specifications, and production CAM programs are maintained on access-controlled internal servers with strict user authentication, ensuring your intellectual property remains secure.
Ready to Machine Your Complex Precision Components?
Submit your 3D CAD files and technical drawings for a detailed manufacturability review and engineering quotation. Our technical team evaluates tool accessibility, GD&T feasibility, and cycle optimization to support your project timelines.