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CNC Precision Turned Parts

Our CNC precision turned parts are produced using computer-controlled CNC lathes to achieve automated, high-accuracy machining of cylindrical and complex geometries.

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Description

Product Introduction

Our CNC precision turned parts are produced using computer-controlled CNC lathes to achieve automated, high-accuracy machining of cylindrical and complex geometries. With a single setup, we can produce multi-feature components including threads, grooves, flats, and slots.

Technical Specifications

Parameter	Specification
Process	CNC Turning
Diameter	Ø2–Ø80 mm (Ø0.08"–Ø3.15")
Maximum Length	300 mm (11.81")
Standard Tolerance	±0.005 mm (±0.0002")
High Precision Capability	Up to ±0.001 mm (±0.00004")
Surface Roughness	Ra 0.1–3.2 µm (Ra 4–125 µinch)
Materials	Aluminum (2000, 5000, 6000, 7075), Stainless Steel (SUS303, SUS304, SS316, SS316L, 17-4PH), Carbon/Alloy Steel (1214L, 1045, 4140, SCM440, 40CrMo), Brass & Copper (C260, C360, H59-H70, Bronze), Titanium (F1–F5), Engineering Plastics (POM, PA/Nylon, PC, PMMA, PVC, PU, ABS, PTFE, PEEK)
Surface Treatments	Anodize, Bead Blasted, Silk Screen, PVD Plating, Zinc/Nickel/Chrome/Titanium Plating, Brushing, Painting, Powder Coated, Passivation, Electrophoresis, Electro Polishing, Knurl, Laser/Etch/Engrave
Drawings Accepted	STP, STEP, IGS, XT, DXF/DWG, PDF, or physical samples
Lead Time	Prototype: 1–2 weeks; Mass Production: 3–4 weeks
Quality Assurance	ISO9001:2015, ISO13485:2016, SGS, RoHS, TUV
Payment Terms	Trade Assurance, TT, PayPal, Western Union

Key Features

Machined from solid bar stock in a single CNC turning cycle to form complete cylindrical components.
Live tooling creates holes, flats, grooves, and slots without repositioning the part.
Multi-feature geometry completed in one setup to maintain alignment and reduce positional deviation.
Thread features formed during turning cycles, preserving axis concentricity.
Complex internal and external profiles generated via programmed tool paths.
Precision workholding maintains concentricity across all features along the full part length.
Continuous CNC operation allows sequential machining of multiple features without fixture changes.
Laser marking or engraving integrated during finishing without altering setup.
Tool path control ensures consistent replication of part geometry across production cycles.
Compatible with a wide range of metals and engineering plastics for flexible material selection.

Production Process

Design & Drawing Review
Evaluate manufacturability and ensure production feasibility before machining.

CNC Programming
Convert design files into optimized machine code for precision tool path execution.

Material Preparation
Cut, deburr, and prepare raw materials according to specification.

Clamping & Setup
Secure workpieces to ensure stability, accuracy, and concentricity during machining.

CNC Turning
Automated machining including threading, drilling, grooving, and slotting.

Inspection
Dimensional and surface checks using CMM, micrometer, height gauge, thread gauge, and roughness tester.

Secondary Operations
Optional heat treatment, surface finishing, cleaning, or stress relief.

Packaging & Delivery
Export-standard protective packaging with full traceability support.

Applications

Medical Devices
Surgical instruments, implant components, diagnostic housings.

Aerospace & Defense
Precision fasteners, connector pins, sensor housings.

Automotive Systems
Fuel system components, valves, shafts, transmission parts.

Electronics & Telecom
Fiber optic connectors, RF components, semiconductor test interfaces.

Industrial Automation
Precision shafts, rollers, bushings, spacers, custom cylindrical parts.

Quality Assurance

Incoming material inspection with full traceability
In-process dimensional monitoring during CNC turning
Final inspection using Mitutoyo / Hexagon CMM systems (or equivalent industrial-grade metrology equipment)
Full compliance with ISO9001:2015 and ISO13485:2016
Inspection reports provided per batch for customer verification
NDA (Non-Disclosure Agreement) available for all custom CNC precision turned parts and customer drawings

Lead Time & Delivery

Prototype Parts: 1–2 weeks

Mass Production: 3–4 weeks

Packaging options: Bubble wrap, PE bags, cartons, wooden cases, or pallets.

Shipping: Air, sea, express, or rail with tracking.

FAQ

Q: Are your CNC parts suitable for both prototypes and mass production?

A: Yes, our CNC precision turned parts maintain consistent geometry, repeatable tolerances, and industrial-grade quality across low-volume prototypes and high-volume production runs.

Q: Can you provide material certification and traceability?

A: All materials come from certified suppliers and comply with ASTM, ISO, and RoHS standards. Material Test Certificates (MTC) and full traceability reports are available per batch for OEM and custom components.

Q: How do you ensure precision and quality on multi-feature parts?

A: Critical dimensions are verified using Mitutoyo and Hexagon CMM systems (or equivalent), with in-process monitoring and batch inspection reports, ensuring tolerances up to ±0.001 mm (±0.00004") for complex components.

Q: Are customer drawings and designs protected?

A: Yes, all custom CNC turned parts are protected under NDA agreements, safeguarding intellectual property for industrial, medical, aerospace, and automotive applications.

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