Difficult-Alloy Precision CNC Machining
Large-Diameter CNC Turning Services (Up to Ø500 mm)
AXALLOY Precision is a Shenzhen-based CNC machining partner specializing in difficult-to-machine alloys and complex, high-value components. Our large-diameter CNC turning capability supports international engineering, procurement, and quality teams from prototype development through low-volume and repeat production—with controlled processes, clear documentation, and dependable communication.
Large-Diameter CNC Turning Capability Overview
Our CNC turning capacity is designed for rotational parts that require tight tolerances, stable concentricity, and reliable inspection evidence—especially in nickel alloys, titanium, PH stainless, and duplex grades.
Key Turning Capacity
- Max turning diameterØ500 mm
- Max turning length1,000 mm
- Max bar capacityØ80 mm
- Max spindle speed5,000 rpm
- Chuck size6–15 inches
Achievable Precision
- Turning tolerance±0.005 mm
- Diameter tolerance±0.005 mm
- Concentricity0.008 mm
- Roundness0.005 mm
- Min machined diameterØ1.0 mm
- Min thread sizeM1.0
Supported Operations
Turning, facing, grooving, threading, boring, drilling, and parting operations for complex rotational geometries.
When Large-Diameter Turning Is the Right Fit
AXALLOY is best suited to customers who prioritize manufacturability, process control, traceability, and inspection documentation—not simply the lowest unit price.
Best-Fit Part Requirements
- Large OD components with critical concentricity or tight runout control
- Complex turned geometry requiring stable feature relationships
- Tight tolerances on bearing fits, sealing diameters, or precision interfaces
- Difficult holes, threads, grooves, or internal bores
Best-Fit Project Types
- High-value prototypes and design validation builds
- Low-volume production (20–500 pcs) and controlled repeat programs
- Transfer work from an unreliable supplier needing process stabilization
Materials We Commonly Turn
We focus on alloys where tool selection, cutting strategy, and process stability directly determine quality and delivery performance.
Nickel-Based Alloys
Inconel 718/625, Hastelloy C-276/C-22, Monel 400/K-500, Haynes alloys, MP35N
Titanium
Grade 2, Grade 5, Grade 23
Stainless Steels
316L, 17-4 PH, 15-5 PH
Duplex & Specialty Metals
2205, Super Duplex 2507, A286, Nitronic 50/60, and other specialty metals
If your drawing calls out a specific grade not listed, share the specification and we’ll confirm machinability and inspection approach.
Typical Parts & Secondary Operations
Large-Diameter Turned Parts We Support
- Shafts and large sleeves
- Bushings and bearing-fit components
- Valve parts, nozzles, fittings, threaded connectors
- Marine and energy hardware requiring corrosion-resistant alloys
- Precision interfaces for aerospace and industrial equipment
Post-Processing & Secondary Operations
- Precision grinding (surface/cylindrical/centerless) — tolerance down to ±0.002 mm, finish down to Ra 0.2 μm
- EDM (wire and sinker) for sharp internal features or difficult profiles
- Heat treatment, passivation, coating
- Deburring, marking, cleaning, and assembly support
Standard Finish
Ra 1.6 μm
Precision Finish
Ra 0.8 μm
Engineering Support & Process Planning
For large-diameter components—especially difficult alloys—early alignment prevents scrap, delay, and unstable inspection results. Our engineering support includes:
DFM Review
Drawing review and manufacturability feedback to optimize design for production.
Tolerance Strategy
Tolerance and datum strategy review for turned features to ensure inspectability.
Workholding Design
Fixture and workholding planning for stability and repeatability at scale.
Process Development
Manufacturing process development for prototype-to-production scaling.
Inspection, Traceability & Documentation
We support quality-driven programs that require evidence—across prototypes and repeat orders.
Inspection Capabilities
- CMM measuring range700 × 1,000 × 600 mm
- CMM accuracyup to 1.8 + L/300 μm
- Surface roughness measurementRa 0.05–40 μm
- Hardness testingRockwell, Brinell, Vickers
- Thread inspectionThread gauges & optical
- Inspection environmentTemperature-controlled room
Available Quality Documentation
- Material Test Report / Mill Test Certificate
- Certificate of Conformance (CoC)
- First Article Inspection (FAI) and ballooned drawing reports
- Full dimensional inspection reports
- Surface roughness report (as required)
- Heat treatment / coating certificates
- Material & lot traceability; special process records
Production Volumes & Lead Times
1
MOQ (Part)
10K+
Parts Supported
5–10
Prototype Days
10–20
Standard Days
Expedited service available based on scope and material availability.
Industries We Support
Aerospace, medical devices, semiconductor equipment, energy, oil & gas, marine, robotics, automation, and precision industrial equipment.
Typical Decision-Makers
- Mechanical/design/manufacturing engineers
- Procurement & sourcing managers
- Supplier quality engineers / quality managers
Request a Quote for Large-Diameter CNC Turning
To quote accurately and define a stable process route, please share:
- 2D drawing (PDF/DWG/DXF) + 3D model (STEP/IGES/X_T/SolidWorks, etc.)
- Material specification and any approved equivalents
- Quantity (prototype vs repeat), target date, and annual demand (if known)
- Critical features (datums, runout/concentricity, sealing surfaces)
- Required documentation (FAI, full inspection, MTR, traceability, etc.)
- Surface finish, heat treat, coating, marking, and packaging requirements
Supported file formats: STEP/STP, IGES/IGS, X_T/X_B, SLDPRT, SAT, PDF, DWG, DXF
Units: Metric and Imperial
Max RFQ upload: 500 MB
Why AXALLOY for Large-Diameter CNC Turning?
- ✓Proven capability in difficult alloys where process control matters
- ✓Tight tolerance turning with inspection evidence and repeatability focus
- ✓Prototype-to-production support for high-mix, high-value components
- ✓Clear communication with engineering, procurement, and quality stakeholders
If your project requires large-diameter CNC turning with controlled documentation and reliable delivery, send your drawings and requirements for review.
Request a Quote
Tell us about your component requirements and material challenges.