CNC Milling Services

CNC Milling Services are a specialized type of machining that uses computer numerical code to control the movement of tools. This process can be used to create a wide variety of parts and products with a high degree of accuracy. CNC Milling machines are able to work with a variety of materials, including metals, plastics, and composites.

Robust CNC Milling Service

CNC milling is a machining process that uses computer-controlled rotary cutters to remove material from a workpiece. It’s an ideal solution for complex parts with tight tolerances, and it’s often used in the aerospace, medical, and automotive industries. At Direct CNC, we offer a robust CNC milling service that can accommodate your most challenging projects. We have a wide range of machines and tools, and our experienced team can handle even the most complex jobs. Contact us today to learn more about our CNC milling services.


3 Axis CNC Milling

3-axis CNC milling is a process that removes material from a workpiece using computer numerically controlled (CNC) machining. 3-axis milling machines have three axes of motion: the X, Y, and Z axes. The X axis is horizontal and moves the workpiece from left to right. The Y axis is vertical and moves the workpiece up and down.

4 Axis CNC Milling

4 Axis CNC Milling

Axis CNC milling is a specific type of computer numerical controlled (CNC) milling that uses four axes of motion to create precise, three-dimensional shapes.Our experienced team is capable of programming these machines to produce high-quality parts that meet your exact specifications.

5 Axis CNC Milling

5 Axis CNC Milling

Machine complex custom CNC milled parts with a single setup. We offer a powerful 5-axis CNC milling service ideal for precision machining of small to medium parts. Our state-of-the-art equipment and skilled operators ensure your parts are machined to the highest quality standards.

Materials for CNC Milling Parts

Surface Finishes for CNC Milling

There are a variety of surface finishes that can be achieved through CNC milling. The type of finish will depend on the material being milled, the desired appearance, and the tolerances required. 

Image Name Description Materials Apply
Alodine Alodine is a chemical used for metal surface treatment. It is most commonly used to create a protective coating on aluminum, but can also be used on other metals such as steel and brass. Aluminum Media Blasting, Tumbling, Type II Anodizing* Type III Anodizing*
Anodizing Anodizing improves corrosion resistance and protects the metal surface. It's used in mechanical parts, aircraft, and automobile parts. Precision instruments also use anodizing for protection. Aluminum Media Blasting, Tumbling, Alodine*
Black Oxide Black oxide is a specialized process that can be used to create a number of different finishes on metal surfaces. The most common use for black oxide is to create a blackened finish on steel, but it can also be used on other metals, including aluminum and brass. Steel, Stainless Steel Media Blasting, Tumbling, Passivation
Electroless Nickel Plating Electroless nickel plating process is often used to improve the corrosion resistance or electrical conductivity of the metal, or to build up a thick enough layer to serve as a wear-resistant coating. Aluminum, Steel, Stainless Steel Media Blasting, Tumbling
Electropolishing Electropolishing can be used to remove burrs, scratches, and other irregularities from the surface of a workpiece. The process can also be used to increase the surface area of a workpiece, which can improve its heat transfer or wettability properties. Steel, Stainless Steel -
Media Blasting Media blasting is a process in which a high-pressure stream of media is used to clean or finishing surfaces. It is an effective way to remove paint, rust, and other debris from metal surfaces. Aluminum, Steel, Stainless Steel, Brass, Bronze, Copper All post processes except Electropolish and Powdercoat
Nickel Plating Nickel plating is a process in which a layer of nickel is applied to the surface of another metal. The purpose of this process is to provide protection against corrosion and wear, as well as to give the metal a shiny appearance. Aluminum, Steel, Stainless Steel Media Blasting, Tumbling
Passivation Passivation is the process of making a material more resistant to corrosion. It is accomplished by the formation of an oxide layer on the surface of the metal. This oxide layer prevents further oxidation of the metal, and it also provides a barrier to the diffusion of corrosive species into the metal. Steel, Stainless Steel Black Oxide, Electroless Nickel Plating, Zinc Plating, Tumbling, Media Blasting
Powder Coating Powder coating is a dry powder that can be applied using electrostatic charge to create a smooth finish. Unlike liquid paints, powder coatings do not use solvents that work by evaporating the paint. Aluminum, Steel, Stainless Steel -
Tumbling Tumbling is often used to deburr or remove sharp edges from metal parts. It can also be used to polish surfaces or add a decorative finish. Aluminum, Steel, Stainless Steel, Brass, Bronze, Copper All post processes except Electropolish and Powdercoat
Zinc Plating Zinc plating is a process in which a thin layer of zinc is applied to a metal surface in order to protect it from corrosion. The zinc layer can be applied either by electroplating or hot-dip galvanizing. Steel, Stainless Steel Media Blasting, Tumbling, Passivation

Precision Machining Tolerance

We follow ISO 2768 standards for CNC Machining.

Limits for nominal size Metals (ISO 2768- f) Plastics (ISO 2768- m)
0.5mm* to 3mm ±0.05mm ±0.1mm
Over 3mm to 6mm ±0.05mm ±0.1mm
Over 6mm to 30mm ±0.1mm ±0.2mm
Over 30mm to 120mm ±0.15mm ±0.3mm
Over 120mm to 400mm ±0.2mm ±0.5mm
Over 400mm to 1000mm ±0.3mm ±0.8mm
Over 1000mm to 2000mm ±0.5mm ±1.2mm
Over 2000mm to 4000mm - ±2mm

Please clearly indicate tolerances for nominal sizes below 0.5mm on your technical drawing.

Accelerate Development with CNC Manufacturing

cnc manufacturing service

Overview: What is CNC Milling?

CNC milling is a machining process that uses computer-controlled rotary cutters to remove material from a workpiece. The process can be used to create custom parts or prototypes from a variety of materials, including metal, plastic, and wood.

The Basics Of CNC Mills

Computer Numerical Control (CNC) milling is a specific form of machining that involves the use of computerized controls to operate factory tools and machinery. In CNC milling, programmable commands are fed into a machine that then uses those commands to cut or shape materials.

The first step in any CNC milling project is creating a computer model of the desired object. This model can be created using CAD software or a 3D scanner. Once the model is complete, it is converted into a set of instructions called G-code. This code tells the CNC machine what movements it needs to make in order to create the desired object.

Once the G-code has been generated, it is loaded into the CNC machine and the machining process begins. The machine will follow the instructions in the G-code, moving its cutting tools accordingly. The end result is a physical object that matches the original computer model.

CNC Mills Basics
CNC Mills Basics

How CNC Milling Works

CNC milling is a process where a machine uses computer-controlled cuts to remove material from a workpiece. The milling machine has a rotating cutting tool, and the computer controls the direction and depth of the cut.

Milling can be done with a variety of different tools, including end mills, ball nose mills, and routers.End mills are the most common type of milling cutter, and they are used to cut horizontal slots, vertical slots, or round holes. Ball nose mills are used to cut three-dimensional shapes. Routers are used to cut curved or irregular shapes.

The computer controls the milling machine by sending commands to an electronic control unit (ECU). The ECU interprets the commands and sends signals to servomotors that move the cutting tool in the desired direction. The servomotors also control the speed and depth of the cut.CNC milling is a very versatile manufacturing process. It can be used to create parts with complex shapes and geometry, and it can be done quickly and accurately.

Frequently Asked Questions

A CNC milling machine is a computer-controlled machine used for the machining of metals and plastics. The three main components of a CNC milling machine are the bed, the column, and the head. The bed is the horizontal surface on which the material to be machined is placed. The column is the vertical support that holds the head in place. The head contains the tools that perform the machining operation.

When it comes to CNC milling machines, there are a variety of materials that they can be used to process. Some of the most common materials include metals, plastics, and composites. Each material has its own unique set of characteristics that need to be considered when choosing the right CNC milling machine for the job.

If you’re looking for a manufacturing process that can create precision parts with tight tolerances, then you should consider using a CNC milling machine. CNC milling is a versatile process that can be used to create a wide variety of parts, including both complex and simple shapes.

  • Precision – With tight tolerances and the ability to create intricate shapes, CNC milling can produce parts with excellent precision.
  • Versatility – A CNC milling machine can be used to create a wide variety of parts, including those made from metal, plastic, or composite materials.
  • Efficiency – CNC milling machines are very efficient and can often produce parts in minutes that would take hours to produce by hand.
  • Repeatability – Once a part has been created using a CNC milling machine, it can be easily reproduced using the same settings, ensuring accurate results every time.
  • Customization – With the ability to program specific tasks into the machine, CNC mills can be customized to accommodate the needs of any manufacturing operation.

A CNC milling machine is a computer-controlled device that can create complex 3D shapes from a variety of materials. Although these machines are versatile and powerful, they do have some limitations.

One limitation is the size of the object that can be created. A CNC milling machine typically has a work envelope that is only a few feet in size. This means that larger objects cannot be created using these machines.

Another limitation is the type of material that can be milled. Most CNC milling machines can only mill metals and plastics. This means that tougher materials, such as wood or titanium, cannot be milled using these machines.

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