CNC Turning

TUOWEI Precision provides professional CNC turning services for custom metal and plastic cylindrical components. From quick prototypes to full production, we deliver precisely turned parts with exceptional quality.

CNC Turning Services with Tuowei Precision

At TUOWEI Precision, we deliver high-quality CNC turning services through advanced lathes and turning centers. Our capabilities cover both metals and plastics, supporting rapid prototyping, low-volume, and high-volume production runs. With competitive pricing, fast lead times, and expert manufacturability support, we ensure your parts are optimized for precision, performance, and efficiency.

Overview: What is CNC Turning? How CNC Turning Works

CNC turning is a subtractive process ideal for producing cylindrical or spherical components with high accuracy. In this process, the workpiece is clamped in a spindle and rotated while a stationary cutting tool shapes it to the desired geometry.
Using programmed G-Code, raw stock is loaded into the chuck of the lathe spindle. As the spindle rotates, fixed cutting tools perform operations such as facing, threading, knurling, drilling, boring, and taper turning. Once complete, the finished part is separated from the stock and prepared for post-processing.
This automation allows CNC lathes to repeat operations efficiently with minimal setup time, ensuring consistent accuracy and cost-effectiveness across production runs.

CNC Turning Solutions

Prototyping

Rapid Prototyping

Speed up product development with TUOWEI Precision’s rapid machining services. We deliver quick-turn, high-quality prototypes and mold tooling to support design testing and verification.

Production

Low and High-Volume Production

From small batches to large-scale runs, TUOWEI adapts to your needs with strict tolerances and consistent quality across every project.

CNC Turning Tolerances

At TUOWEI, we follow rigorous tolerance standards to deliver precision and reliability in every CNC-turned part. As an ISO 9001-certified manufacturer, our CNC lathes achieve tolerances as tight as ±0.005”, depending on your design.

Tolerance Type	Typical Tolerance (mm)	Typical Tolerance (inch)
Standard CNC Turning	±0.125 mm	±0.005 in
Medium Precision	±0.050 mm	±0.002 in
High Precision Turning	±0.025 mm	±0.001 in
Ultra Precision	±0.010 mm	±0.0004 in
Surface Finish Tolerance	Ra 1.6 – 3.2 µm	Ra 63 – 125 µin

CNC Turning Design Guidelines

Optimize your CNC turning projects with TUOWEI’s expert design guidelines. Our engineering team ensures every part is manufacturable, precise, and cost-efficient from prototype to production.

Features	Recommended size
Radii	Minimum internal radius of 0.5 mm recommended. Larger radii (up to 3 mm or more) enhance tool access and reduce stress concentrations.
Threads and Tapped Holes	External and internal threads can be precisely cut. Standard thread sizes from M1.6 and larger are feasible. Ensure a minimum thread length of 1.5× the diameter for stability.
Minimum Wall Thickness	Minimum wall thickness: 0.8 mm for metals, 1.5 mm for plastics to maintain structural integrity without compromising the machining process.
Text	Engraving should have a minimum character height of 2 mm and a depth of at least 0.5 mm to ensure legibility after machining.
Holes	Minimum hole diameter: 0.5 mm. For deep holes, maintain a diameter-to-depth ratio of 1:10 to prevent tool deflection and ensure hole quality.

Surface Finishes For CNC Turning Services

Here are some surface finishing techniques that are commonly used to enhance the quality and performance of the machined parts:

Polishing

Polishing smooths the surface, providing a high-gloss finish that improves both appearance and resistance to wear.

Anodizing

This process adds a protective oxide layer to metal surfaces, increasing corrosion resistance and enhancing aesthetic appeal.

Bead Blasting

Bead blasting involves spraying fine beads onto the surface to create a smooth, matte finish with a uniform texture.

Electroplating

Electroplating adds a thin metal coating to a surface, offering enhanced corrosion resistance, wear protection, and improved conductivity.

Lapping

Lapping is a precision process that improves surface flatness and smoothness, reducing surface roughness for high-tolerance applications.

Shot Peening

Shot peening involves bombarding the surface with small spherical media, improving fatigue resistance and reducing stress concentrations.

Materials for CNC Turning

Engineers and leading manufacturers trust TUOWEI for fast iterations and durable, high-performance parts. Whether for prototyping or full-scale production, our extensive material selection ensures precision, strength, and reliability for any CNC machining project.

Aluminum

Aluminum 5052
Aluminum 7075 & 7075-T6
Aluminum 6063-T5
Aluminum 7050-T7451
Aluminum MIC-6
Aluminum 6061-T6
Aluminum 2024-T3

Bronze/Brass

Brass C360
Brass 260
C932 M07 Bearing Bronze

Copper

H59

H60

Plastics

ABS

Acetal [Delrin]

Acrylic, G-10 Garolite

Nylon 6/6

PEEK, Polycarbonate

PTFE [Teflon]

Polypropylene

Ultra-High Molecular Weight Polyethylene

Steel

Alloy Steel 4130

Alloy Steel 4140

ASTM A36, Stainless Steel 15-5

Stainless Steel 17-4

Stainless Steel 18-8

Stainless Steel 303

Stainless Steel 304

Stainless Steel 316/316L

Stainless Steel 416, Stainles Steel 420

Steel 1018

Steel A36

Titanium

Titanium Grade 2

Titanium 6Al-4V

Zinc

Zinc Sheet Alloy 500

With Tuowei Precision’s CNC milling service, you’re not just investing in advanced machinery. You’re gaining the assurance of flawless precision, commitment to strict timelines, and the expertise of skilled professionals dedicated to meeting your needs.

Choose Us

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High Quality Parts

Tuowei Precision’s ISO-certified CNC machining guarantees exceptional accuracy and quality. Every part is crafted for perfect fit and flawless performance, with rigorous quality control at each stage.

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Fast Turnaround

Stay on schedule with Tuowei Precision. Our state-of-the-art equipment and local workshops deliver rapid production to meet your tight deadlines.

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Expert Engineering Support

Rely on our team for comprehensive CNC machining support. Our experts are available to optimize design efficiency and ensure top-quality results at every step.

Let’s Build What’s Next Together

Partner with TUOWEI to Shape Your Vision

Since the era of rapid prototyping through scalable production, Tuowei Precision helps with your project because of its reliable CNC machining and manufacturing services. Our team collaborates with you to make sure that there is accuracy, consistency, and a smooth execution at all levels.

Begin your project now and start with the first step towards efficient and high quality manufacturing with Tuowei.

Get In Touch With Us!

Prompt response guaranteed within 12 hours

Tuowei Proto's Solutions

Whether you’re creating a small batch of custom parts or scaling up for high-volume production, Tuowei Proto services offer the flexibility you need.

Rapid Prototyping

CNC rapid prototype machining is perfect for creating engineering or production prototypes that closely resemble the final product in both appearance and functionality. At Tuowei, we offer instant quotes and fast delivery, providing you with precise, high-quality CNC machined prototypes for your needs.

Low Volume Manufacturing

Low volume CNC machining often acts as a bridge between prototyping and mass production for new and emerging production. With Tuowei, this process becomes easier, more efficient, and cost-effective, allowing you to scale production quickly while maintaining high-quality standards.

End-use Production

CNC production machining is the best solution for producing a thousand parts or more efficiently. Leveraging a diverse selection of materials and automation and multi-axis capabilities, Tuowei delivers high-volume production with tight tolerances, superior dimensional accuracy, high reliability and fast turnaround times.

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Frequently Asked Questions

CNC Turning

What’s the difference between CNC milling and CNC turning?

Both CNC milling and turning are subtractive manufacturing methods, but their approach differs.

In CNC milling, the workpiece remains fixed while the cutting tool moves across multiple axes to create intricate features such as holes, slots, and pockets, ideal for complex, non-cylindrical parts.

In CNC turning, the workpiece rotates while a stationary cutting tool shapes it, making it the most efficient method for producing cylindrical parts like bolts, rings, and rods.
At TUOWEI, we combine both processes when required, delivering cost-efficient, high-quality parts tailored to your design needs.
What is a CNC turning center, and what parts can it make?

A CNC turning center is an advanced, computer-controlled machine used to produce cylindrical parts with high precision. TUOWEI’s turning centers are capable of performing multiple operations, facing, drilling, threading, boring, grooving, and contouring within a single setup. This versatility allows us to deliver complex geometries and high-volume production of parts such as screws, bushings, shafts, and precision pins, ensuring both efficiency and repeatable accuracy.
Can TUOWEI produce plastic turned parts

Yes. TUOWEI’s CNC turning services handle both metal and plastic materials with equal precision. Common plastics we machine include ABS, Nylon, Polycarbonate, PTFE (Teflon), and Acetal. Each plastic has unique benefits—for example, Nylon offers durability and wear resistance, while Acetal provides dimensional stability and excellent machinability. By optimizing cutting speeds and tooling, we ensure that every plastic-turned part is manufactured with high accuracy and surface quality.
What parts can CNC turning produce?

CNC turning at TUOWEI specializes in manufacturing cylindrical and symmetrical components around a central axis. Typical parts include shafts, pins, rods, bushings, pulleys, and threaded components. The process also enables the creation of internal bores and complex contours, delivering tight tolerances and smooth finishes. These qualities make CNC turning ideal for automotive, aerospace, medical, and industrial machinery applications requiring precise fits and reliable performance.

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CNC Turning

CNC Turning Services with Tuowei Precision

Overview: What is CNC Turning? How CNC Turning Works

CNC Turning Solutions

Rapid Prototyping

Low and High-Volume Production

CNC Turning Tolerances

CNC Turning Design Guidelines

Surface Finishes For CNC Turning Services

Materials for CNC Turning

Choose Us

High Quality Parts

Partner with TUOWEI to Shape Your Vision

Tuowei Proto's Solutions

Explore Insights & Innovation

Frequently Asked Questions

CNC Turning