CNC Turning Service

CNC Turning Center
Aluminum pulley
CNC Turned Aluminum Shaft Retainer
Parts like this are turned and milled

If you need online CNC turning we are one of the most capable and affordable sources and we can get the job done right. Download our Free CAD software today and design your custom part or import an existing file. Order online for ultimate speed and convenience.

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About our service

eMachineShop offers a unique approach to providing custom CNC turning services. We provide special free CAD software that allows you to easily draw your part or import an existing design. The software then provides instant expert feedback about your design and helps you correct any issues to ensure a smooth trouble-free process. It then gives an instant price - saving you from waiting for quotations. And finally the software allows you to order your custom parts online with just a click - at prototype or production quantities. 

We stock a wide variety of materials, use state-of-the-art machines and diligently follow all design specifications. We continually strive to improve and optimize our processes and maximize customer convenience. Our customers range from inventors to businesses to government agencies. We are focused on quality and customer service.

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Get started today - design, price and order your custom parts through eMachineShop

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How CNC turning works

CNC turning produces parts by "turning" rod material and feeding a cutting tool into the turning material. On a lathe the material to be cut rotates while a cutter is fed into the rotating workpiece. The cutter can be fed at a variety of angles and many tool shapes can be used.

Advantages

CNC turning provides an economical way to make parts that are commonly symmetrical about an axis of revolution.

Shapes 

Shapes that can be made include a variety of plain, taper, contour, fillet and radius profiles plus threaded surfaces. Although many turned parts use a single axis of revolution, there can be multiple axiis to allow more flexibility (e.g. camshafts). This method of machining can be combined with CNC milling and other processes to make more diverse shapes. Examples of parts made include: Robot PartsShift knobsMotorcycle PartsAuto PartsToy PartsKnobsPulleys, shafts, hubs, bushings, flywheels, etc.

Cost optimization

Cost optimizations for turning include:

  • Reducing complexity
  • Minimizing the amount of material removed
  • Avoiding difficult shapes such as very long thin structures.

Materials 

The following rigid materials are commonly turned: AluminumStainless SteelCopperNylonSteelAcetalPolycarbonateAcrylicBrassPTFETitaniumABSPVC, Bronze, etc.

Design Considerations 

  • As the turning process applies pressure to the material, weak shapes that may flex can be difficult to machine, such as long thin structures.
  • Turning generates a cut surface with fine helical feed marks resulting from the rotation of the part and movement of the cutter - consider specifying a desired surface roughness.
  • Bored holes become difficult when the ratio of the depth to diameter is high.



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"I am in awe. Your concept is flawless... I have never been so delighted to find ANY website as I was to find yours. You have created an entirely new chapter in the Industrial Revolution. I now have the ability to bring my ideas and designs to fruition, all with the single click of the "Order" button. ... How thrilled I am, just ..."
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