Online CNC Turning Service
Get precision CNC turned parts, ISO 9001 certified, fast and easy with Unionfab’s online service.
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Why Choose Unionfab for Your CNC Turning Projects?
Extensive Capabilities
Leverage our vast network exceeding 400 CNC machines across six facilities. We ensure you access the specific capabilities needed for your project at industry-leading prices and rapid turnaround times.
Effortless CNC Turning, Start to Finish
Simplify your entire CNC turning process. Get instant quotes, on-demand lead times, and expert feedback on your metal and plastic part designs for optimal manufacturability – all within our user-friendly quotation system.
Top-notch Quality at Competitive Prices
Unionfab offers CNC milling services at 50% lower than European and American competitors, without sacrificing quality. Our rigorous processes ensure your high-precision parts meet the strictest standards (ISO 9001:2015, ISO 13485, and AS9100D).
Unionfab CNC Turning Material Options
| Material | Available Varieties |
|---|---|
Unionfab CNC Turning Steel | AISI 1018 Steel Unionfab CNC Turning Copper |
Unionfab CNC Turning Stainless Steel | AISI 201 Stainless Steel |
Unionfab CNC Turning Aluminum | AA2017 Aluminum |
Unionfab CNC Turning Titanium | Grade 2 Titanium |
Unionfab CNC Turning Copper | C1100 Copper |
Unionfab CNC Machining Plastics | ABS (Acrylonitrile Butadiene Styrene) |
Unionfab CNC Machining Composites | Synthetic stone (CDM) |
Common Finishes for CNC Turned Parts
CNC Turning Applications
Automotive Industry
From engine components to transmission gears, CNC turning ensures smooth operation, longevity, and precise tolerances for a safe and comfortable driving experience.
Medical and Dental
CNC turning facilitates the creation of intricate prosthetic and implant components with superior biocompatibility, vital for successful procedures and long-term patient well-being.
Industrial production
From rapid tooling and saving time on prototyping, to efficiently churning out precise parts in bulk, handling complex features, and working with diverse materials, CNC turning's versatility makes it a manufacturing workhorse.
CNC Turning: Pros and Cons
Unionfab CNC Turning Tolerance Considerations
| Feature | Standard | Advanced Option | Notes |
|---|---|---|---|
Tolerance | ±0.005" (±0.127mm) | ±0.0005" (±0.0127mm) | Tolerances will be held to +/-.005"(+/-.127mm) in accordance with ISO 2768 unless otherwise specified. |
Surface Roughness (Ra) | 125uin (3.2μm) | Up to 16uin (0.4μm) | Surface roughness will be held to 125uin/3.2um Ra unless otherwise specified. |
Lead Time | 7-12 days | Contact us or advanced options. | Contact us or advanced options. |
Accepted File Formats | 3D: STEP, STP, IGS 2D drawings: DWG, DXF, PDF | Contact us for specifics. | Delivery time may be 2-3 days longer if only 2D drawings are provided. |
Inspection | Standard Report (Free) | CMM Inspection or Third Party Inspection (Fee Required) | Free standard report, additional options available. |
CNC Turning: Breakdown of the Basics
What is CNC Turning
CNC turning, also known as CNC machining turning or computer numerical control turning, is a subtractive manufacturing process used to create precise parts with rotational symmetry. It utilizes a rotating tool to precisely remove material from a fixed workpiece, much like shaping clay on a potter's wheel.
Ideal for parts with a circular cross-section, it offers high-precision, repetitive production of components in various materials like metals and plastics, often performing multiple operations like facing, turning, and threading for a versatile and automated approach to creating rotationally symmetrical parts.
Overall, CNC turning offers a versatile and efficient way to manufacture precise parts from various materials. Its ability to handle complex geometries and integrate with automation makes it a cornerstone of modern manufacturing.
CNC Turning Machine: CNC Lathe
A CNC lathe is the workhorse, equipped with a rotating spindle that holds the workpiece (material being machined). Cutting tools are mounted on a turret that can move along various axes (typically X and Z) to remove material and create the desired shape.
CNC control unit translates a digital program (usually created with CAM software) into precise movements for the spindle and cutting tool.
CNC Turning Process
- Workpiece Setup: The raw material (bar stock, tube, etc.) is secured in the lathe's chuck or between centers.
- Programming: A CNC program defines the toolpath, specifying the movements of the cutting tool along the axes to achieve the desired shape.
- Machining: The CNC program executes, controlling the spindle speed, feed rate (how fast the tool moves), and toolpath to remove material from the workpiece.
- Part Removal: Once complete, the finished part is removed, and the process can be repeated for the next piece.
Key Points about CNC Turning
- Rotational focus: It excels at producing parts with a circular cross-section, like shafts, knobs, and gears.
- Computer-controlled precision: A program dictates the tool's movements, ensuring consistent and accurate results for high-volume production.
- Variety of materials: It can work with metals, plastics, and even some composites.
- Multiple operations: Modern CNC lathes can perform various operations like facing, turning, grooving, and threading, reducing the need for additional machining steps.
