CNC Turning

CNC turning is a widely used machining technique and used to create a variety of plastic or metal parts or products. At Princeton Industrial, we have advanced multiple axes machines for various CNC turning techniques. We perform turning techniques on machines with three, four, or even five axes, and are capable of creating the most complex geometric shapes and achieving tight tolerances as required.

Our state of the art CNC turning centers enable us to manufacture very complex parts with shorter lead times in both production and prototype size lots.  Many of these turning centers are equipped with bar feeds providing the speed of a screw machine with CNC accuracy.

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CNC Turning Capabilities

Here are some features of our CNC turning services which enable us to meet client requirements efficiently.


.0002″ with a 32 micro-inch finish or better

Typical Annual Volumes

1 prototype to larger lot quantities with scheduled releases depending upon product complexity, application, and use.

Quality Assurance

MIL-I-45208A (Military Specification Inspection System)
JIT – Just in Time

Materials Machined (Various Grades)

Common Metals: Aluminum, Brass, Bronze, Carbon Steel, Cold Rolled Steel, Steel
Exotics: Hastelloy, Inconel, Monel, Molybdenum
Plastics: Delrin, Nylon, Plastics, Polyethylene, Teflon

Additional Machining Capabilities

CNC Turning
CNC Grinding
CNC Drilling
CNC Tapping
CNC Multi-Axis Machining
CNC Swiss Machining
Swiss Machining
Conventional Machining
– Turning
– Milling
– Grinding
– Drilling
– Tapping
Automatic Screw Machining

Industries Served

Aerospace, Automotive, Computer Equipment, Construction Equipment, Defense, Electronics, Hydraulic, Medical Parts, Military, Off Highway Vehicles, Optical, Pneumatics, Recreational and Off Road Vehicles, Telecommunications, and many others…

Contact Us

Speak with our technical team to discuss your machining projects.

Toll Free: 847-839-8500

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An Overview of Our CNC Turning Service

This versatile machining technique comprises a chuck and rotating tool, wherein the sheet metal or plastic is kept and rotated. There is a tool which removes the excess material from the workpiece. the tool is pre-programmed with instructions regarding the part design which enables to shape the workpiece as per required dimensions, size, and so on. Some machines have the capability to perform turning and milling at a time, wherein the rotating motion is stopped to facilitate milling. We use turning machines with multiple axes, wherein three to four tasks can be performed, irrespective of the volume and without compromising on the accuracy or affecting each other’s jobs. This ensures high speed, accuracy, and increased productivity, and subsequently reduced time to market for the client. So, this subtractive technique is more efficient and leads to lesser wastage compared to additive processes. Some of the most common tasks we perform with the help of CNC turning are drilling, grooving, tapering, threading, contouring, and so on.

A Few Popular CNC Turned Parts

As an experienced CNC turning service provider, we can deliver standard parts, as well as parts with complex geometries. Our experts can produce parts for prototypes to low volume runs. At Princeton Industrial, we regularly produce the following CNC turned parts.

Advantages of CNC Turning Services Offered by Princeton Industrial

There are several companies offering CNC machining and fabrication services, which makes it a hypercompetitive industry segment. Yet, Princeton has a competitive edge over the others because of their service features and quality. Over the last few years we’ve grown in this industry segment and have a built a whole list of happy and satisfied clients. We believe Princeton stands out among them owing to the special features of our services. Here are some factors which make us of the reliable and well-known CNC turning services providers in the US.

  • We have a state-of-the-art facility in Illinois, where we perform varied and complex CNC turning techniques to make the required parts or products.
  • We are totally focused on product quality. Hence we maintain our machines well and our facility is ISO 9001: 2015 certified.
  • We offer quick turnaround times as our machines can process the jobs at a high speed, with minimal or no wastage.
  • As part of our quality management process, we have stringent testing and inspection procedures in place which test the produced part at every stage of the manufacturing process, in terms of design, features, and functionality.
  • We use various designing software such as AutoCAD and have CNC machines with multiple axes, which can perform more than one tasks at a time. Aside from this, we have a team of skilled machine operators. All these factors enable us to meet our requirements on time and with accuracy.
  • We always ensure enough inventory of the materials we need in the near future. Additionally, our supplier network is very strong which helps us source superior quality materials from the right suppliers.


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