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CNC turning is a precision machining process where a cutting tool removes material from a rotating workpiece to create cylindrical or round parts. The process is widely used for manufacturing shafts, bushings, connectors, housings, threaded components, and other high-accuracy metal or plastic parts.
At RAPIDMFG-ONLINE, we provide CNC turning services for rapid prototyping, low-volume production, and high-volume manufacturing with tight tolerances and excellent surface finishes.
Rapid production to meet tight deadlines and accelerate your project.
ISO 9001 & IATF 16949 certified processes ensuring high-quality output.
Skilled engineers and operators with decades of manufacturing experience.
Reliable scheduling to ensure your orders are delivered as promised.
Tailor-made services to meet your specific project requirements.
Capable of low-volume, prototyping, and large-scale production efficiently.
Explore a wide range of metal and plastic materials for CNC turning, offering excellent machinability, strength, durability, and precision for various industrial applications.
| Material | Features | Applications |
|---|---|---|
| Aluminum | Lightweight, easy to machine | Electronics, automotive |
| Stainless Steel | High strength & corrosion resistance | Medical, industrial |
| Brass | Excellent conductivity & machinability | Connectors, fittings |
| Copper | Superior electrical conductivity | Electrical components |
| Titanium | High strength-to-weight ratio | Aerospace, medical |
| Carbon Steel | Durable and cost-effective | Machinery parts |
| Material | Features | Applications |
|---|---|---|
| ABS | Cost-effective and impact resistant | Consumer products |
| POM (Delrin) | Low friction & dimensional stability | Gears, bushings |
| Nylon | Wear-resistant and durable | Mechanical components |
| PTFE | Chemical and heat resistant | Seals, insulation |
| Acrylic | Transparent and lightweight | Optical components |
| PEEK | High-performance engineering plastic | Medical & aerospace |
| Tolerance Class | Typical Range | Description |
|---|---|---|
| General Machining | ±0.005″ – ±0.010″ (±0.13 – 0.25 mm) | Suitable for non-critical features, clearance holes, and basic structural parts. |
| Standard Precision | ±0.002″ – ±0.005″ (±0.05 – 0.13 mm) | Most common for functional components; used in automotive, industrial machinery, and consumer goods. |
| High Precision | ±0.0005″ – ±0.002″ (±0.013 – 0.05 mm) | Required for bearing seats, precision shafts, and hydraulic components. |
| Ultra-Precision | ±0.0002″ (±0.005 mm) or tighter | Used in aerospace, medical devices, and optical instrumentation. Often requires specialized machines and environmental control. |
Multiple factors can influence the achievable tolerances in CNC turning. Proper control of these variables helps ensure dimensional accuracy, surface quality, and consistent machining performance.
This CNC turning project involved manufacturing high-precision aluminum sensor housings used in industrial automation equipment. The components required excellent dimensional stability, tight concentricity, and a clean anodized surface finish to ensure reliable assembly and long-term performance in demanding operating environments.
| Item | Details |
|---|---|
| Industry | Industrial Automation |
| Manufacturing Process | CNC Turning + Secondary Milling |
| Material | Aluminum 6061-T6 |
| Surface Finish | Black Anodizing |
| Part Size | Ø48 mm × 86 mm |
| Tolerance Requirement | ±0.01 mm |
| Production Volume | 5,000 PCS |
| Key Features | Internal threading, precision bore, concentricity control |
| Main Challenge | Maintaining tight concentricity and smooth surface finish on thin-wall sections |
| Our Solutions | Optimized tool paths, custom soft jaws, and in-process dimensional inspection |
| Result | Stable mass production with consistent accuracy and reduced machining cycle time |
| Lead Time | 10 Working Days |
| Quality Inspection | CMM Inspection + Thread Gauge Verification |
Enhance the appearance, durability, corrosion resistance, and functional performance of CNC turned parts with a variety of professional surface finishing solutions.
Improves corrosion resistance while creating a durable decorative surface layer.
Adds strong protective coating with excellent wear and impact resistance.
Creates uniform matte texture for improved appearance and surface consistency.
Enhances conductivity, corrosion protection, and overall surface durability performance.
CNC turning is widely used to produce high-precision cylindrical components across multiple industries. It delivers reliable accuracy, repeatability, and efficiency for both prototypes and mass production.
Produces precision shafts, bushings, and engine components with stable performance and durability.
Provides precise motion components and structural parts for advanced robotic systems.
Manufactures surgical tools and connectors with high accuracy and strict quality requirements.
Delivers lightweight, high-strength parts designed for demanding flight performance conditions.
Supplies durable mechanical parts used in machines, tools, and production systems.
Creates connectors, housings, and heat dissipation parts with excellent dimensional consistency.
CNC turning rotates the workpiece while the cutting tool remains relatively stationary, making it ideal for cylindrical parts. CNC milling rotates the cutting tool and is better suited for complex flat or irregular geometries.
Common materials include aluminum, stainless steel, brass, copper, titanium, ABS, nylon, POM, PTFE, and PEEK.
High-precision CNC turning can achieve tolerances as tight as ±0.002 mm depending on geometry and material.
Yes. CNC turning is widely used for rapid prototyping and low-volume production due to its speed and flexibility.
Yes. We offer anodizing, polishing, sandblasting, powder coating, electroplating, and other finishing options.
Industries include automotive, aerospace, medical, electronics, robotics, and industrial manufacturing.
Caution: RapidMfg-online is full Chinese company, please don’t send any enquiry items involved export controlled by U.S. law. e.g. EAR, ITAR etc
