-
1. What is CNC turning and how does it work?
CNC turning is a precision machining process where the workpiece rotates while a cutting tool removes material to create cylindrical or rotational parts. CNC lathes use computer-controlled movements along the X and Z axes, allowing for high accuracy, repeatability, and efficient production of shafts, bushings, sleeves, and threaded components.
-
2. What types of parts are best suited for CNC turning?
CNC turning is ideal for rotational and cylindrical components, including shafts, bushings, spacers, collars, pins, threaded fittings, connectors, and precision sleeves. Parts requiring high concentricity, roundness, or smooth surface finishes are especially well-suited for CNC turning.
-
3. What materials can be used for CNC turning?
Common CNC turning materials include aluminum alloys, stainless steel, carbon steel, brass, copper, titanium, and engineering plastics such as POM, Nylon, and PEEK. Material selection depends on strength, corrosion resistance, machinability, and end-use requirements.
-
4. What tolerances can CNC turning achieve?
Standard CNC turning tolerances are typically ±0.01 mm, while tighter tolerances of ±0.005 mm or better can be achieved depending on part geometry, material, and machining method. Critical features such as diameters, concentricity, and roundness can be tightly controlled with advanced inspection.
-
5. What surface finishes are available for CNC turned parts?
CNC turned parts can be delivered as-machined or with secondary surface finishes, including polishing, anodizing, electroplating, black oxide, sandblasting, and brushed finishes. Surface finish options depend on material type and functional or cosmetic requirements.
-
6. What is the typical lead time for CNC turning services?
Lead times for CNC turning vary based on part complexity, quantity, and material availability. Prototypes can often be delivered within 3–7 business days, while production orders typically range from 1–3 weeks. Expedited options may be available upon request.
-
7. What is the minimum and maximum order quantity for CNC turning?
CNC turning supports both low-volume prototyping and medium- to high-volume production. There is no strict minimum order quantity, and production runs can scale from single prototypes to thousands of parts with consistent quality.
-
8. Can CNC turning parts include secondary operations?
Yes. CNC turning can be combined with secondary operations such as drilling, tapping, milling (via live tooling), deburring, surface finishing, and CNC milling for more complex features. This reduces additional setups and improves overall accuracy.
-
9. How is quality ensured for CNC turning parts?
Quality assurance includes incoming material inspection, first article inspection (FAI), in-process quality control, and final dimensional inspection. Advanced measuring tools such as CMMs, micrometers, and optical comparators are used to verify critical dimensions. Inspection reports are available upon request.
-
10. How do I get a quote for CNC turning services?
To receive a CNC turning quote, simply upload your CAD files (STEP, STP, or SolidWorks formats are preferred) and specify material, quantity, tolerance, and surface finish requirements. Our engineering team reviews each project and provides a fast, accurate quotation.