Machining Service:
CNC Turning Parts
Our high-precision CNC turning services offer the following:
- Repeatability
- High Dimensional Tolerances
- Custom Prototypes and End-Use Parts
- Instant and Engineer-Assisted Quotes
- Certifications: ISO 9001:2015, AS9100D, and ITAR
- Instant and Engineer-Assisted Quotes
- Certifications: ISO 9001:2015, AS9100D, and ITAR
-
Instant and
Engineer-Assisted
Quotes - 100+ Materials
-
40+ Surface
Finishes -
Certifications:
ISO 9001:2015,
AS9100D, and ITAR -
In-House Services: 3D Printing,
CNC Machining, Urethane Casting,
and Sheet Metal Fabrication
Our Process is Simple.
Upload a CAD file and request a quote.
Our team will start production.
Once complete, it passes through quality control.
Lastly, our team ships the part(s) to you.
CNC Turning
CNC turning is a versatile, precise, and efficient manufacturing process. It uses computer-controlled lathes to create highly complex cylindrical parts with tight tolerances by rotating a workpiece against stationary cutting tools. Modern industrial production leverages this technology to produce high-quality, accurate parts that meet strict industry standards.
Prototek CNC turning service provides a precise, efficient method for creating cylindrical shapes across industries, such as automotive, aerospace, and medical. Equipped with live tooling technology, our advanced lathes enable us to perform turning and milling operations in a single setup. As a result, we can quickly create complex parts for large-scale production runs and other applications.
What is CNC Turning?
CNC turning is a subtractive manufacturing process that involves using a CNC lathe to shape a workpiece by rotating it against stationary cutting tools. This precision-focused process can create highly complex cylindrical parts with tight tolerances. At our company, we take pride in our advanced CNC turning lathes. Equipped with live tooling technology, these lathes enable us to perform turning and milling operations in a single setup, making them incredibly versatile. As a result, we can quickly create intricate and complex parts. Additionally, our CNC turning service is well-suited for production runs, and we are committed to providing our clients with the best possible service by fully utilizing this technology.
How does CNC Turning work?
CNC turning is a manufacturing process in which a stationary cutting tool removes material from a rotating workpiece, shaping it into a cylindrical and symmetrical object. This process is carried out using a computer-controlled machine known as a CNC lathe or turning center. Subsequently, the CNC turning lathe is programmed to move the cutting tool along the workpiece according to the shape and dimensions programmed into its software.
The CNC turning process typically begins with securing the raw material to the lathe spindle, which rotates the material at high speed. The cutting tool removes tiny amounts of material until the desired shape and dimensions are achieved. The removed material is referred to as chips and cleared away by the machine.
The finished machined part is inspected following the turning process, and any necessary finishing or polishing is completed. Our CNC turning service offers a precise and efficient method for creating cylindrical shapes and is utilized in various industries, including automotive, aerospace, and medical.
CNC Turning Advantages
CNC turning has revolutionized the way products are designed and manufactured. The following are a few of the advantages of CNC turning:
- Precision & Accuracy - Programmable to tight tolerances.
- Automation - Faster production times.
- Versatility - Wide range of materials for variety of industries and applications.
CNC Turning Disadvantages
While there are a lot of advantages to turning, there are also some disadvantages to consider:
- Size Limitations - Limited to size of of machine.
- Complex Geometries - The more complex means the more time and cost for setups and number of tools, but can be done.
CNC Turning at Prototek
Turning Machine Companies:
Acra-Turn, Atrump, Daewooo, Doosan, Enco, Haas, Hardinge, Hurco, Mazak, Trak Lathe
Lead Time:
5 – 22 Days
Max Diameter:
13.75 in (349.3 mm)
Max Swing Length:
36 in (914.4 mm)
General Tolerances:
Tolerances on metals will be held to ISO 2768 standards or ± 0.005 in (± 0.127 mm) unless otherwise specified. Plastics and composites will be ± 0.010 in (± 0.254 mm).
Precision Tolerances:
Prototek can manufacture and inspect to tight tolerances, including sub ± 0.001 in tolerances, per your drawing specifications and GD&T callouts.
Threads & Tapped Holes:
Prototek can accommodate any standard thread size. We can also machine custom threads; these will require a manual quote review.
Edge Condition:
Sharp edges are broken and deburred by default.
Surface Finish:
the standard finish is As Machined: Ra 126 µin / Ra 3.2µm or better. Additional finishing options can be specified when getting a quote.
Material:
Aluminum, Inconel, Stainless Steel and Steel, Plastics, Titanium, and Other Materials
Prototek's Machining Materials
Prototek offers a wide range of CNC turning materials to meet the diverse needs of our clients. From aluminum and stainless steel to engineering plastics and exotic alloys, our state-of-the-art CNC turning capabilities ensure precision, consistency, and quality in every part we produce.
Metals
Plastics
Other Materials
- G-10
- Machined Ceramics:
- Macor
- Wood
Does your project require a material not on our list?
Let us know if your project requires any materials not on the list! We can accommodate other material requests, but quotes may take longer while we source the material.
- Are you ready to make your manufacturing project a reality?
Designing Parts for CNC Machining
As a CNC turning parts manufacturer, Prototek helps you consider several factors when designing components suitable for CNC turning lathes. First, different materials have different properties, and some require specialized tooling or cutting techniques to achieve the desired result.
The second is the component’s size and shape. Turning machines can vary in capabilities and limitations, so optimizing their designs is essential.
Additionally, the part’s orientation during machining can affect the outcome, so carefully considering the setup is critical. Finally, the tolerances and surface finishes will affect the cost and time needed for the machining process.
When selecting the right finish for your CNC turning parts, several factors must be considered to ensure the final product is functional and aesthetically pleasing, including:
- Material: Brass and aluminum typically look best with a high-polish finish, while stainless steel is better suited to a satin finish.
- Function: Will it be used for ornamental purposes or practical applications? It’s a valuable item, a matte finish may be better suited as it hides scratches and wears better.
- Machining process: Intricate designs may require a finer finish to ensure all details are crisp and clean.
| Feature | Recommended | Feasible Minimum | |
|---|---|---|---|
|
|
Holes |
ø = Standard Drill Bit Sizes |
|
|
|
Internal Edges |
0.010 in |
|
|
|
Minimum Features |
0.10 in |
Ø0.060 in |
|
|
Thin Walls |
Metal: 0.03 in Plastics: 0.06 in |
Metal: 0.02 in |
|
|
Threads |
Length: 3ø |
|
|
|
Tolerances |
Metals: ISO 2768 Standards or ± 0.005 in Plastics: ± 0.010 in |
Metals: < ± 0.001 in (please inquire) Plastics: ± 0.002 in |
w (width) | d (depth) | r (radius) | ø (diameter) | in (inches) | ± (plus or minus) | < (less than) | ≤ (less than or equal to) | > (greater than) | ≥ (greater than or equal to) | M# (standard thread size)
| Feature | Recommended | Feasible Minimum | |
|---|---|---|---|
|
|
Holes |
ø = Standard Drill Bit Sizes |
|
|
|
Internal Edges |
0.25 mm |
|
|
|
Minimum Features |
2.5 mm |
ø1.5 mm |
|
|
Thin Walls |
Metal: 0.8 mm |
Metal: 0.5 mm |
|
|
Threads |
Length: 3ø |
Size: M2 |
|
|
Tolerances |
Metal: ISO 2768 Standards or ± 0.127 mm Plastic: ± 0.254 mm |
Metal: sub ± 0.0254 mm (please inquire) Plastic: ± 0.0508 mm |
w (width) | d (depth) | r (radius) | ø (diameter) | mm (millimeter) | ± (plus or minus) | < (less than) | ≤ (less than or equal to) | > (greater than) | ≥ (greater than or equal to) | M# (standard thread size)
CNC Turning Finishes
Prototek is your one-stop shop for CNC turning solutions. We offer a wide variety of finishing options that enable you to meet performance and aesthetic requirements fast and cost-effectively. Our team can assist you in meeting specific functional, visual, and cosmetic-grade targets for sealing, corrosion protection, and appearance.
Our finishing options include:
- Anodizing for aluminum corrosion protection and appearance.
- Passivation for stainless corrosion resistance.
- Electropolishing for a smooth and bright surface.
- Bead blasting to achieve a uniform matte appearance.
- Powder coating adds thickness and a durable color layer.
Learn More About CNC Machining
Through our resources, you can discover the complexities of CNC Machining and gain insights into creating top-notch designs specifically tailored for this cutting-edge technology.
Top 10 Benefits of CNC Machining in Aerospace Manufacturing
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CNC Machining: Plastic Materials
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Prototek's
Other CNC Manufacturing Capabilities
Why choose Prototek for your next project?
Prototek offers high-quality CNC turning services with precision, accuracy, and speed. We specialize in producing parts with tight tolerances and provide a range of materials, including exotic alloys and plastics.
Our experienced machinists and engineers use state-of-the-art equipment and software to deliver consistent quality and on-time delivery of each project delivery. We also provide value-added services, such as design assistance, material selection, and finishing options, to meet customer requirements.