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Online CNC Turning service

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On Demand CNC Turning Services

CNC Turning and CNC Turn-Mill machining offer enhanced precision and speed for parts with mainly cylindrical features. Using CNC lathes with multiple turning tools, we ensure fast, accurate manufacturing—perfect for parts that are primarily cylindrical but include complex features like flats, slots, and holes.

Grooving

It is a machining process performed on a lathe to create narrow cuts or recesses on a cylindrical workpiece.

Threading

This operation is commonly performed to create external or internal threads with precise dimensions and pitch.

Parting

also known as cut-off, is a machining process used on a lathe to separate a finished part .

Boring

It is typically performed using a single-point cutting tool that removes material from the inner surface of a hole.

Knurling

It is a machining process used on a lathe to create a textured pattern or raised ridges on the surface of a workpiece.

Taper Turning

It is a machining process used on a lathe to create a conical shape (taper) on a metal or plastic workpiece.

Spherical Generation

Spherical generation on a lathe is a machining process used to create spherical or ball-shaped surfaces.

Cylindrical Turning

It involves machining a cylindrical workpiece to reduce its diameter or create uniform outer surface.

Why Choose ours CNC Turning Services?

A Skilled Team with Proven Expertise.

delivering exceptional results through experience, dedication, and strategic thinking.

Personalized Collaboration & Proactive DFM.

working closely with clients to understand their unique needs and goals

State-of-the-Art In-House Equipment.

featuring the latest technology and advanced machinery to ensure precision, efficiency.

Advanced High-Complexity Machining.

leveraging cutting-edge technology to manufacture intricate components

Industry-Leading Competitive Pricing.

delivering exceptional value without compromising on quality or precision.

Unmatched Turnaround Times.

ensuring fast, efficient, and reliable production without compromising quality.

Capabilities of CNC Turning Services

Our CNC machines achieve industry-standard precision tolerances, guaranteeing consistent accuracy and a perfect component fit.

Maximum Dimensions

Maximum Diameter: 500mm or 19.7-inch
Maximum Length: 1800mm or 70.9-inch

Minimum Wall Thickness

Metal: 0.5mm or 0.02 in
Plastic: 1.0mm or 0.04 in

Tolerances

Metal: +/- 0.005mm (+/-0.0002 in)
Plastic: +/-0.025mm(+/-0.001 in)

Lead Time

4 bussiness days for most projects.
simple parts can be as fast as 1 day.

Design Guidelines

Optimize your designs for manufacturability with our expert guidelines and feedback, ensuring the best results in CNC Turning.

Minimum and Maximum Part Dimensions

1. Min outer diameter (OD): 1 mm (depends on machine capability).

2. Max outer diameter (OD): ~500 mm (varies by lathe size).

3. Max length: Typically up to 1000 mm, depending on machine size.

Wall Thickness

1.Metal parts: ≥ 0.5 mm for rigidity.

2. Plastic parts: ≥ 1.0 mm to avoid deformation.

3. Avoid excessive thin walls to prevent part vibration and bending.

Tolerances

1.Standard turning tolerance: ±0.1 mm.

2. Tight tolerances: ±0.01 mm (increases machining cost).

3. Specify critical tolerances only to optimize production efficiency.

Internal and External Diameters

1.Recommended min internal diameter (ID): 2 mm

2. Recommended max depth for internal bores: 4× diameter (beyond this, special tooling is needed).

3. Avoid sharp corners in internal features—use a minimum fillet radius of 0.5 mm.

Threading Guidelines

1. Internal threads (tapped holes): Use standard metric (M) or inch (UNC/UNF) sizes.

2. External threads: Specify standard thread types to reduce custom tool costs.

3. Recommended thread depth: 1.5× diameter to maintain strength.

Length-to-Diameter Ratio

1. Ideal ratio: ≤ 4:1 for stability

2. Higher ratios (>6:1) require steady rests or tailstock support to prevent deflection and vibration.

Avoid Deep Drilling

1. Max recommended depth: 4× drill diameter

2. Deeper holes require special drills and peck drilling, increasing machining time.

3. Minimum hole diameter: 1 mm (varies by machine and tooling).

Avoid Deep Drilling

1. Max recommended depth: 4× drill diameter

2. Deeper holes require special drills and peck drilling, increasing machining time.

3. Minimum hole diameter: 1 mm (varies by machine and tooling).

Materials for CNC Turning

CNC technology enables the machining of a wide range of materials with precision and efficiency. At TonZa, we offer CNC machining quotes for over 30 engineering-grade plastics and metals, ensuring versatility for various applications. Additionally, a variety of surface finishes can be applied to enhance the appearance and functionality of CNC-machined parts.

Metal

Whether for prototypes or end-use parts, our expertise in CNC metal machining enables us to achieve tighter tolerances, faster turnaround times, and successfully tackle even the most complex manufacturing challenges.

Tipical: Aluminum, Steel, Stainless Steel, Brass, Bronze, Copper, Magnesium Alloy, Titanium Alloy, Zinc Alloy and etc.

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Plastic

Supports over 40 engineering-grade materials, ensuring versatility for various applications. The machined plastic parts are fully functional and suitable for mechanical testing, guaranteeing reliability and performance.

Tipical: ABS, PC, ABS+PC, PMMA (Acrylic), PA (Nylon), PA+GF30, POM (Acetal/Delrin), PP, PVC, HDPE, PPS, PEEK and etc.

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Surface Finishes

We are offering over 20 options of surface finishes to fulfill both your functional and aesthetic requirements.

Brushing

is a surface treatment that grinds the workpiece, creating decorative lines for an attractive finish.

Sand Blast

uses high-speed sand flow to clean and roughen a product's surface.

Polishing

uses abrasives or buffing wheels to smooth surfaces, remove imperfections, and create a reflective finish.

Tumbling

is a surface treatment that rotates materials with abrasive media in a drum or container.

Anodizing

enhances by forming a protective layer that improves corrosion resistance, hardness, and appearance.

Painting

This process improves the tactile feel but may be prone to scratches.

Black Oxide

an oxide film used to improve corrosion resistance, enhance appearance, and reduce light reflection.

Electroplating

is used for functional, decorative, and corrosion-resistant purposes in various industries.

Powder Coating

applies electrostatically, then cures it with heat or UV light for a durable, attractive finish.

Alodine

is a protective conversion coating for aluminum that prevents corrosion and acts as a primer for painting.

Passivation

enhances corrosion resistance by immersing it in an acid to remove contaminants and form a protective layer.

Electroless Plating

is a chemical process that deposits metal onto a substrate without electrical current.