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Precision Turning Parts

EadeTech is a China-based specialty metal machining manufacturer, specializing in high-performance materials such as Titanium alloys, Nickel superalloys, Tantalum, Niobium, Tungsten, and Molybdenum. We provide precision turning services for shafts, rotational components, and tight-tolerance parts used in aerospace, medical, automotive, electronics, and industrial applications worldwide.

Our CNC turning solutions ensure high precision, excellent surface finish, and consistent repeatability, whether you need a single prototype shaft or a small batch of rotational components.

Learn more at https://www.eadetech.com.


Why Precision Turning Matters

Precision turning is essential for rotational components, which are often critical to mechanical systems. Properly machined shafts, spindles, and rotational parts ensure:

  • Dimensional accuracy and rotational balance

  • Smooth operation and minimal vibration

  • High reliability under stress and fatigue

  • Optimal fit for assemblies, bearings, and mating parts

At EadeTech, we specialize in hard-to-machine materials, delivering components that meet tight tolerances and demanding surface requirements.


Shafts & Rotational Components

Our expertise includes complex shaft geometries, stepped diameters, keyways, threads, and grooves, as well as rotational components for aerospace, automotive, and industrial applications.

Typical components include:

  • Shafts and spindles

  • Rotors and impellers

  • Axles and pinions

  • Couplings and hubs

  • Precision rotational assemblies


Table 1: Shaft & Rotational Component Capabilities

MaterialMax Diameter (mm)Max Length (mm)Min Feature Size (mm)ToleranceSurface Finish (Ra µm)
Ti‑6Al‑4V1506000.1±0.0050.2–0.6
Inconel 7181205000.08±0.0050.3–0.8
Tungsten803000.05±0.010.6–0.9
Tantalum1004000.08±0.0050.5–0.7

Tight-Tolerance Turning

Many applications demand extremely tight tolerances, especially for aerospace, medical, and high-speed industrial components. EadeTech provides:

  • Dimensional tolerances down to ±0.002 mm

  • Surface finishes as low as Ra 0.05 µm

  • Rotational balance for high-speed shafts

  • Micro-features, threads, and grooves


Table 2: Tight-Tolerance Turning Specifications

MaterialMax Length (mm)Diameter Range (mm)ToleranceSurface Finish (Ra µm)Typical Application
Ti‑6Al‑4V60010–150±0.0020.05–0.3Aerospace shafts
Inconel 7185008–120±0.0020.1–0.4Turbo machinery
Tungsten3005–80±0.0050.2–0.6High-temp tooling
Tantalum4006–100±0.0020.1–0.5Chemical/medical parts

Precision Turning Techniques

  1. CNC Turning (Lathe Operations)

    • Multi-axis CNC lathes for complex shaft geometries

    • Support for threads, tapers, and stepped diameters

  2. Hard Material Machining

    • Titanium, Nickel alloys, and refractory metals

    • Optimized cutting parameters to reduce tool wear

  3. High-Speed Machining & Micro-Turning

    • Achieve high surface finish and tight tolerances for small and thin components

  4. Rotational Balance Control

    • Measure and optimize mass distribution for high-speed applications


Table 3: CNC Turning Capabilities for Rotational Parts

Machine TypeMax Diameter (mm)Max Length (mm)AxisMaterial CompatibilityNotes
5-Axis CNC Lathe1506005Ti, Inconel, Tungsten, TantalumComplex geometries
Multi-Spindle Lathe1204003Ti, InconelSmall batch efficiency
Micro Lathe501502Ti, NickelSmall precision shafts
Swiss-Type Lathe251006Ti, TungstenTight tolerance features

Applications of Precision Turning

  1. Aerospace

    • Rotational shafts for actuators, engines, and control surfaces

    • High-speed rotors for turbines and pumps

  2. Medical Devices

    • Surgical instruments and implants

    • Micro-turning of orthopedic and dental components

  3. Industrial Equipment

    • Precision spindles, rollers, and shafts

    • Components for valves, pumps, and compressors

  4. Automotive & Electronics

    • High-performance shafts, pinions, and connectors

    • Rotational components for motors and gear systems


Table 4: Applications and Tolerance Requirements

ApplicationMaterialToleranceSurface Finish (Ra µm)Key Notes
Aerospace shaftsTi‑6Al‑4V±0.002 mm0.05–0.3Rotational balance critical
Turbine componentsInconel 718±0.002 mm0.1–0.4High-speed rotation
Industrial rollersTungsten±0.005 mm0.2–0.6Hardness requires optimized tools
Medical instrumentsTantalum±0.002 mm0.1–0.5Biocompatibility and tight tolerance

Quality Control & Inspection

EadeTech ensures every turned shaft meets specifications:

  • CMM (Coordinate Measuring Machines) for dimensional accuracy

  • Surface roughness testers for Ra verification

  • Dynamic balancing machines for high-speed rotors

  • Thread and groove gauges for micro features


Table 5: Inspection Standards for Precision Turning

MeasurementTool/MethodToleranceInspection Frequency
DimensionalCMM±0.002–0.005 mm100%
Surface FinishRa tester0.05–0.4 µm10% batch
Rotational BalanceDynamic balancer±0.5 g·mm100%
Micro Threads & FeaturesOptical & gauge±0.002 mm100%

Why Choose EadeTech for Precision Turning

  • Expertise in Hard-to-Machine Metals – Titanium, Nickel superalloys, Tungsten

  • Tight Tolerances & Surface Finish – Ra down to 0.05 µm, ±0.002 mm tolerances

  • Rotational Balance Control – Critical for aerospace and high-speed machinery

  • Flexible Quantities – From single prototypes to small-batch production

  • Global Experience – Aerospace, medical, industrial, automotive

EadeTech ensures ready-to-use, high-precision turned shafts and rotational components, helping clients achieve performance, reliability, and production readiness. Learn more at https://www.eadetech.com.


Table 6: Precision Turning Summary

MaterialMax Diameter (mm)Max Length (mm)ToleranceSurface Finish (Ra µm)Typical Application
Ti‑6Al‑4V150600±0.002–0.0050.05–0.3Aerospace shafts
Inconel 718120500±0.002–0.0050.1–0.4Turbines & rotors
Tungsten80300±0.0050.2–0.6Industrial rollers
Tantalum100400±0.002–0.0050.1–0.5Medical instruments


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Phone: +8618998453346

Tel: +8618998453346

Email: [email protected]

Addr: Room 302, Building D, COFCO Gonghua Project, Zone 20, Honglang Community, Xin'an Street, Bao'an District, Shenzhen City.

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