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Purchase High-Quality Custom CNC Turned Parts - The Ultimate Solutions
Seicenc efficient CNC turning services with fast delivery time and competitive pricing from rapid prototyping to production runs. Ensure you get high-quality CNC turned parts with the features you need. Our CNC turning process produces custom prototypes and end-use production parts in as fast as 1 day. We use CNC lathes with live tooling so features like axial and radial holes, flats, grooves, and slots can be machined.
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Hi, I’m Nick from Seicenc. Let me guide you through this ultimate solutions page.
I am the sales director of Seicenc CNC machining factory. I have been working here for 10 years by now. Click the button below to get great ideas on how we provide you with exceptional solutions for CNC turned parts.
Hi, I’m Nick from Seicenc. Let me guide you through this ultimate solutions page.
I am the sales director of Seicenc CNC machining factory. I have been working here for 10 years by now. Click the button below to get great ideas on how we provide you with exceptional solutions for CNC turned parts.
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In this guide to CNC Turning, you’ll learn how to create efficient, manufacturable metal and plastic parts for prototyping and production. To save you time, we have also prepared a PDF version containing all the contents of this page, only leave your email and you will get the download link immediately.
What is CNC Turning?
CNC turning is a subtractive machining process that rotates a metal rod while a cutting tool is held against the stock to remove material and create final parts. Seicenc CNC lathes are equipped with live tooling that can machine flat features and holes into the workpiece. Outer diameter (OD) and inner diameter (ID) threading is also available. Turned parts can be left as-machined, with visible tool marks, or bead blasted. When the run is complete, parts are inspected, packaged and shipped shortly.
CNC Lathes
Our precision CNC turning lathes provide low-cost parts for simple and complex cylindrical geometries. We also use Live tooling to create precise, complex geometries for features like axial and radial holes, grooves, slots, and flats. Full automation of these versatile machines allows us to produce hundreds of similar dimensions easier, faster, and cost-effectively.
A CNC lathe is capable of just machining in two axes with only one chuck. There are various types of CNC lathes as listed below:
Engine Lathe – This is basically a standard lathe that is relatively versatile. The ‘engine’ in the name is a relic from when lathes used to be powered by pulleys from an engine that was not on the machine. An engine lathe would then be a lathe with the motor on the lathe.
Turret Lathe – A turret lathe allows for much faster production times as all the required tools are loaded into the turret prior to manufacture. When a new tool is needed it is simply rotated into position.
Tool Room Lathe – A tool room lathe is used for high precision, low volume work. As the name suggests, these styles of lathes are used to create tools and dies. It is also set up to be highly versatile.
Speed Lathe – This type of lathe is used primarily for light work, it has a simple setup with headstock, tailstock and tool post.
CNC Turning Centres – These types of lathes are very advanced and have a wide range of features which include milling, turret tool posts and even a second spindle. There are also both vertical and horizontal turning centres. A horizontal lathe results in all the chips falling away from the part and into the chip conveyor, and a vertical lathe allows gravity to assist when a part is seated into the chuck. Horizontal lathes are easier to automate. It is the application which will determine which style is more applicable.
CNC turning is often used for:
- functional prototypes and end-use parts
- parts with cylindrical features
- parts with axial and radial holes, flats, grooves, and slots
Why Choose Us for CNC Turning Service?
Seicenc is leading manufacturer for CNC turning, delivering reliable CNC turning services for many industries. Our optimized engineering methods help us provide complex prototypes and production parts that meet your demands.
- High-Quality Materials
We have a mature high-quality material supply chain, and currently cooperate with more than 100 high-quality plastic and metal factories in China, which can meet the technical and performance requirements of different customers for turning products.
- Competitive Prices
You are guaranteed lower costs and MOQ for CNC turned parts because of our optimized cost control system and streamlined production. And we can help to find the cheapest shipping cost from our cooperated logistics company.
- Instant Quote
You can get an instant CNC quotes after send your drawings within one day at the earliest. Our senior engineers will analyze your drawings, and then provide the real-time and competitive pricing.
- Precision CNC Turned Parts
We strictly implement a quality management system to ensure stable and expected quality on the products. Full inspections also ensure you can receive precision CNC turned parts devoid of defects.
- Fast Delivery Time
We have a digital CNC turning service platform that offers faster ordering process, and we also have developed machinery to accelerate the production of your prototypes or parts.
- 24/7 Engineering Support
You can get our 24/7 engeering support all year around. Our experienced engineer can provide you with the most appropriate solution to your part design, material selection, and surface finishing options, etc.
CNC Turning Tolerances
As an ISO 9001 certified company, we make CNC turned parts to meet tight tolerance requirements. Based on customer’s design, our CNC lathes can reach tolerances of ±0.13 mm. Our standard tolerances for CNC milled metals is ISO 2768-m and ISO 2768-c for plastics. Our basic guidelines for CNC turning include important design considerations to help improve part manufacturability, enhance cosmetic appearance, and reduce overall production time and costs.
| Type | Standard Turning Tolerance |
|---|---|
| Linear dimension | +/- 0.13 mm (+/- 0.005 inch) |
| Hole diameters (not reamed) | +/- 0.13 mm (+/- 0.005 inch) |
| Shaft diameters | +/- 0.13 mm (+/- 0.005 inch) |
CNC Turning Materials
Our CNC turning processes are compatible with a wide range of materials, including machine-grade metals and plastics. Depending on your applications, we can create precise rapid prototypes and low-volume production from various superior-quality materials. Check out some of the common materials for your CNC turning projects.
Aluminum Turned Part
Aluminum is a highly ductile metal, making it easy to machine. The material has a good strength-to-weight ratio and is available in many types for a range of applications.
Brass Turned Part
Brass has desirable properties for a number of applications. It is low friction, has excellent electrical conductivity and has a golden (brass) appearance.
Copper Turned Part
Copper displays excellent thermal conductivity, electrical conductivity and plasticity. It is also highly ductile, corrosion resistant and can be easily welded.
Stainless Steel Turned Part
Stainless steel is the low carbon steel that offers many properties that are sought after for industrial applications. Stainless steel typically contains a minimum of 10% chromium by weight.
Titanium Turned Part
Titanium has a number of material properties that make it the ideal metal for demanding applications. These properties include excellent resistance to corrosion, chemicals and extreme temperatures. The metal also has an excellent strength-to-weight ratio.
Plastic Turned Part
Plastics are also very popular option for CNC machining because of its wide choices, relatively lower price, and significantly faster machining time needed. We provide all common plastics for CNC machining services.
POM / PEEK / HDPE / PET / Nylon / PTFE / PVC / PP / ABS / PC / PMMA
CNC Turning Surface Finishes
Parts that are turned typically have a very smooth surface finish. The as-machined surface finish of the cylindrical areas will typically be much smoother using the lathe than the mill, so consider this when selecting the machining method for those parts that qualify for either method. Areas cut with live tooling, such as flats and slots, may have visible tools marks.
If desired, the metal parts can be lightly bead blasted leaving a fine matte finish. Hard metals like steel and stainless steel can also have edges broken (deburred) with a light bead blast to remove metal slivers, and sharp or rough areas.
With a wide selection of surface finishes, Seicenc can help improve the surface qualities of your products. Surface finishes applied to your CNC turned parts aim at improving their appearance, surface hardness and roughness, chemical and corrosion resistance, etc. They also help hide any visible tool marks from areas cut with live tooling.
| Type | Description | Material | Color | Texture |
|---|---|---|---|---|
| Anodizing | Anodizing improves corrosion resistance, enhancing wear resistance and hardness, and protecting the metal surface. Widely used in mechanical parts, aircraft, and automobile parts, precision instruments, etc. | Aluminum | Clear, black, grey, red, blue, gold. | Smooth, matte finish |
| Powder Coating | Powder coating is a type of coating that is applied as a free-flowing, dry powder. Unlike conventional liquid paint which is delivered via an evaporating solvent, powder coating is typically applied electrostatically and then cured under heat or with ultraviolet light. | Aluminum, Stainless Steel, Carbon Steel | Black, any Pantone number | Gloss or semi-gloss |
| Abrasive Blasting | Abrasive blasting results in parts with a smooth surface with a matte texture. Used mainly for visual applications and can be followed by other surface treatments. | ABS, Aluminum, Brass, Stainless Steel, Carbon Steel | n/a | Matte |
| Electroplating | Electroplating can be functional, decorative or corrosion-related. Many industries use the process, including the automotive sector, in which chrome-plating of steel automobile parts is common. | Aluminum, Carbon Steel, Stainless Steel | n/a | Smooth, glossy finish |
| Brushing | Brushing is a surface treatment process in which abrasive belts are used to draw traces on the surface of a material, usually for aesthetic purposes. | ABS, Aluminum, Brass, Stainless Steel, Carbon Steel | n/a | Satin |
| Polishing | Polishing is the process of creating a smooth and shiny surface, either through physical rubbing of the part or by chemical interference. The process produces a surface with significant specular reflection, but in some materials is able to reduce diffuse reflection. | Aluminum, Brass, Stainless Steel, Carbon Steel | n/a | Glossy |
| Painting | Painting involves spraying a layer of paint onto the surface of the part. Colors can be matched to a Pantone color number of the customer’s choosing, while finishes range from matte to gloss to metallic. | Aluminum, Stainless Steel, Carbon Steel | Custom | Gloss, semi-gloss, flat, metallic, textured |
Gallery of CNC Turned Parts
You can find our extensive gallery that shows precision turned prototypes and production parts from our current customers as follows.
CNC Turning Applications
The CNC turned parts play a great role as crucial pieces in equipment for medical, electronic, automotive and industrial fields.
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CNC Turning FAQs
You can find our answers to some frequently asked questions as follows.
The CNC turning process is mostly ideal for cylindrical-shaped raw materials. However, several manufacturers also use it for hexagonal and square-shaped workpieces. It is a popular method for making machine parts for microfluidic tools, signage components, surgical instruments, automotive frames, and aerospace parts.
Yes, our CNC turning services include plastic parts manufacturing. We can produce small or large batch prototypes and production parts from various engineering-grade plastics.
We can turn parts with diameters ranging from 0.5mm to 65mm for stock bars. Our turning capabilities can reach up to 3000 mm for billets.
The major difference between CNC turning and CNC milling is in their machining process. CNC milling involves rotating the cutting tools against a stationary bar stock or workpiece. In contrast, CNC turning works by rotating the bar stock or workpiece against a stationary tool. CNC milling is more suitable for machining irregular and flat surfaces, while CNC turning work best for cylindrical or conical parts.