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Types Of CNC Milling Operations

CNC milling is a subset of CNC machining services, a broadly defined manufacturing process that includes CNC turning, CNC routing, and CNC drilling. CNC machining describes technologies that utilise computer-controlled tools to carve out portions of a block of material to create a part.
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CNC milling can produce a wide variety of features and shapes. This manufacturing technology achieves this through a series of specific motions and cutting techniques known as milling operations. The most common CNC milling machine operations are:

  • Plain Milling
    Plain Milling
    Also known as surface or slab milling, this is a type of milling operation in which the cutting tool’s axis of rotation runs parallel to the workpiece’s surface. The procedure makes use of plain milling cutters with teeth on the edges that execute the cutting action.
  • Form Milling
    Form Milling
    Form milling refers to milling procedures that involve uneven surfaces, curves, and outlines, such as pieces having both curved and flat surfaces or totally curved surfaces. This method is commonly used to create hemispherical and semi-circular cavities, beads, and curves
  • Face Milling
    Face Milling
    Face milling describes milling processes in which the cutting tool’s axis of rotation is perpendicular to the workpiece’s surface. Face milling cutters are utilized in the process, with teeth on both the perimeter and the tool face, with the peripheral teeth typically used for cutting and the face teeth for finishing applications.
  • Angular Milling
    Angular Milling
    This is a process that uses a cutting tool to mill a plane at a certain angle. This method is similar to ordinary milling, the only difference is the angle configuration, single-angle milling cutters and double-angle milling cutters cut on planes at 45°, 60° and 90°.

Common CNC Milling Materials Selection

CNC milling processes are suitable for a wide variety of materials, including wood, acrylic, stone, glass, foam, ceramics, plastics, and many metals. Wood, stone, and glass are rarely used for industrial CNC milling. These CNC milling materials are primarily used for art, decorative, and home furnishing applications. On the other hand, many industries use metals and plastics for a variety of products. These CNC milling materials encompass a wide range of elements, compounds, and alloys, each with varying properties and applications.


CNC Milling MetalsCNC Milling Plastics
AluminumABS
Stainless steelPolycarbonate (PC)
BrassPolypropylene (PP)
CopperPolyethylene (PE)
TitaniumPTFE (Teflon)
Mild steelCarbon Fiber
Alloy steelNylon

We offer a wide variety of CNC-machined metal and plastic part options, ready for instant online quotes. If you don't see the material you need in stock, please specify "Custom" in the material drop-down menu on the quote page and submit your request with the specified characteristics, tolerances, inspection requirements, and quantity for our experts' engineering review.




CNC General Tolerances

We will work to achieve and hold the tolerances noted below, which will vary per the primary manufacturing method you select.(eg.:Round hole 10mm, tolerance +0.01—0.03mm)


DescriptionGeneral Tolerance
Distance Dimensions 

For features of size (length, width, height, diameter) and position (location, concentricity, symmetry), ±0.005".


Orientation and Form Dimensions                                                                                                                  0-12 inches: ±0.005", with a 1/2 degree tilt. For sizes 24 inches and above, please refer to PCBWay's manufacturing standards.
Edge ConditionsBy default, sharp edges are broken and deburred. Critical edges that must remain sharp should be noted and documented on the drawing.


Get a CNC Milling Quote

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We customize CNC Milling parts to meet your needs

They are all manufactured according to the strictest international standards. Our products have received favor from both domestic and foreign markets.
They are now widely exporting to 200 countries.

           
Our Milling Capabilities
Department Headcount132
Monthly Production100,000 units
Tolerance StandardISO-2768-M (for both metal and plastic)
Maximum Tolerance±0.0254mm (±0.001″)
Maximum Milling Width800mm (31.50″)
Maximum Machining Height800mm (31.50″)
Maximum Machining Depth200mm (7.87″)
Minimum Machining Dimension5mm x 5mm x 5mm (0.2″ x 0.2″ x 0.2″)
Maximum Machining Depth200mm (7.87″)
Fastest Delivery Time3-7 Days


  • <p>High Precision</p>

    High Precision

    Our 3-, 4-, and 5-axis CNC milling centers ensure precision and accuracy to within ±0.001". This is crucial for precision-critical industries such as aerospace, medical, and automotive.

  • <p>High Speed<br></p>

    High Speed

    With over 40 milling machines and skilled machinists, we can produce parts quickly and efficiently without sacrificing quality.


  • <p>High Design Flexibility<br></p>

    High Design Flexibility

    Our experienced engineers and machinists can provide design advice to help you optimize part production, and can even produce small batches of custom parts with short lead times.

  • <p>Complex Geometries<br></p>

    Complex Geometries

    Our CNC milling services are ideal for producing complex parts with intricate geometries such as slots, grooves, and other custom features.

  • <p>Material diversity</p>

    Material diversity

    We can mill a variety of materials including metals, plastics, and composites to fit your specific needs.


  • <p>Cost-Effective<br></p>

    Cost-Effective

    With our streamlined process and advanced machinery, we can provide cost-effective milling solutions without sacrificing quality or accuracy.

TRUSTED BY ENGINEERS AND PURCHASING LEADERS AT THE SUCCESSFUL COMPANIES
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What Our Customers Say

These are some of the things our customers have to say about BERGEK CNC Milling. Over the years, BERGEK has been able to handle everything from the simplest to the most complex projects with ease, providing expert advice, reasonable pricing, and reliable turnaround times. Regardless of the size of your project, BERGEK can meet your needs. We highly recommend BERGEK to everyone; you won't be disappointed!

  • Customer Testimonials Why BERGEK's Sheet Metal Fabrication and CNC Machining Services Are Trusted Worldwide
    Customer Testimonials Why BERGEK's Sheet Metal Fabrication and CNC Machining Services Are Trusted Worldwide
  • <p>Yevstifeyev<br>​​​​​​​★★★★<br></p>

    Yevstifeyev
    ​​​​​​​★★★★

    The service is excellent, and the CNC machined parts are high-quality at a very reasonable price. They deliver quickly and are very responsive to customer feedback. The parts I receive are very accurate, and the prices are very competitive, often lower than other companies. BERGEK CNC will always be my first choice.

  • <p>Kevin Charles<br>​​​​​​​★★★★★<br></p>

    Kevin Charles
    ​​​​​​​★★★★★

    I've had a fantastic experience working with them! The ordering process was straightforward, and the customer service was excellent. The product arrived ahead of schedule, and the prototype arrived in perfect condition. After ordering four times from BERGEK CNC, I've never had any issues.

  • <p>Zoldos<br>​​​​​​​​​​​​​​★★★★<br></p>

    Zoldos
    ​​​​​​​​​​​​​​★★★★

    My parts were produced quickly, and I was able to check the status of my order online. I was able to clearly understand the progress through timely updates and emails. Once the parts were produced, they were packaged and ready to ship. I received my parts about a week after placing the order.

  • <p>Robert James<br>​​​​​​​​​​​​​​★★★★★<br></p>

    Robert James
    ​​​​​​​​​​​​​​★★★★★

    I've used their services on several projects and have always been impressed by their top-notch service and high-quality workmanship. I recommended BERGEK CNC machining services to a colleague, and he was equally impressed. I highly recommend choosing BERGEK for your next project.

CNC Turning FAQs

How do I get a quote?

The quickest way is to complete our online quote form. Alternatively, if you'd like to discuss your project before submitting a quote, feel free to contact one of our engineers at service@szbergek.com.


How long does it take to get a quote?

For most projects, we strive to provide you with a quote within 24 hours. However, if you submit a quote in the morning, we can sometimes provide a quote the same day. This is not the case with injection molding, where quotes can take longer than 24 hours.


How much does a CNC milling operation cost?

Many factors influence the cost of CNC milling, including raw material, part design, production volume, post-processing, and the type of milling machine used. Each stage plays a crucial role in the overall cost of a CNC milling project.


What thread sizes can you use?

ISO Metric threads (M3, M6, etc.), BSPT, BSP, UNF


What is your fastest lead time for CNC turning? 

For small scale CNC projects for Al6061 we can manufacture in as little as 2 days as we have the material readily available in-house.


How We Do It Meet And Define Global

Contact us today to learn more about our machining services and capabilities and to help you move your project forward.

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