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cnc machining milling parts
Within a machining process, there are numerous steps that are crucial for a part to be properly shaped. And in this way, cnc machining milling parts stands out for being one of the most important steps!

The milling machine is a continuous motion machine. Therefore, it is widely common for machining to manufacture different parts. For its handling, it is important to have a highly qualified professional.

CNC milling, however, has some more specific characteristics, which make it even more delicate and precise. Better understand what this is, how it works, and what the purposes of this procedure are.

Everything you need to know about CNC Milling

A milling machine is identified as it contains numerous cutters. Moreover, the cutters are cutting tools that, through a rotary movement, make cuts and perforations in the materials.

This machine can mold an entire part, just by removing a few burrs and forming a part in a very delicate way. It is common for both straight and curved movements. Similarly, it makes the milling machine very versatile equipment.

But what is the CNC milling machine?

Higher quality and precision!

One of the great advantages is that with the implantation of the CNC (Computer Numerical Control), the quality of the machining work went up a lot!

This is because the possibility of measurement error is almost zero, something that can completely harm a project. With cnc machining milling parts, the accuracy is much higher. Besides, the possibility of errors is almost nil.

What are cnc machining milling parts good for?

Anyone who thinks that CNC milling is good to mold parts for large machines is wrong. Certainly, they are not just fixing to things that ordinary people do not have access to.

In a quick walk on the street you will be able to see signs and facades with illustrations and letters with 3D effect, for example that mold in metal through CNC milling.

Generally, this procedure is also easy to apply to wood, forming engravings and mosaics that can become true works of art, and even compose a decoration.

  • 3D Models:

3D models are good for their beauty, and can serve as a decorative, informative, school object, for example. Furthermore, CNC milling is also good to create these parts.

cnc machining milling parts must be done by a qualified company!

Like the other steps in a machining process, cnc machining milling parts requires a qualified team to be involved so that everything goes out perfectly, and the part is molded accurately.

And in that sense, we are the best choice for those who want quality and safety! Recognized in the machining market as a reference, we perform CNC milling, and can bring solutions for your project.

In order for the three-coordinate equipment to receive another coordinate, it is enough to simply install a rotary device on it. On such a machine, you can perform circular engraving and milling.
The turning device consists of a clamp (chuck) and a headstock with a cylindrical tip.

Advantages of 4-axis CNC machines

The main advantage of such equipment is its extended functionality. An additional axis allows you to machine workpieces in a circular or spiral manner. Therefore, on such machines it is possible to produce parts with a complex contour. An enterprise that has bought such equipment will be able to switch to a new production line and expand the range of manufactured products.

Applications of cnc machining milling parts

The main field of application of the 4-axis machine is metalworking. With the help of a rotary device, complex parts for modern equipment and technology and other elements of unusual shape are easy to produce. Also, an additional axis allows you to drill holes in the product with non-standard configurations.

In addition, four- axis CNC milling machines are widely used in the manufacture of souvenirs and advertising products, and even children's toys and puzzles.

They are also used for the production of jewelry from non-ferrous and noble metals and precious stones. 4-axis devices are also irreplaceable when engraving crystal, glass and ceramics.

Machining: where is this process present?

The machining began in ancient times, with fully manual processes and, today, has evolved with the use of high-precision machines. This is the case of so-called CNC, machines that operate with computerized numerical control. And that have an accuracy that is as small as 1 micron.

Each micron is equivalent to dividing 1 millimeter by 1000, that is, 0.001 millimeter. As a way of comparison, we have the normal sand grain. It has between 200 and 500 microns and the filters, which, in the great majority, work with retention between 5 and 25 microns). That is why, today, we call this process Precision cnc machining milling parts machining.

Nowadays, machining is present in several industries, such as:

  • Automotive ;
  • Naval;
  • Aerospace;
  • Electronics;

There are also several machining services, such as:

  • Planning:

Planning consists of obtaining flat surfaces, in a horizontal, vertical or inclined position.

The planning operations are carried out with the use of tools that have only a sharp edge that removes the excess with a linear movement. It is a roughing operation. Therefore, and depending on the type of part being manufactured.

  • Turning:

This process is based on the movement of the part around its own axis.

It is a machining operation, which allows working cylindrical parts moved by a uniform rotation movement around a fixed axis.

  • Milling (or milling):

Milling is a machining process to create gears, splines and control crown, using a snail milling machine, which is a special type of milling machine.

The teeth or grooves or fillets are progressively cut in the piece by a series of cuts made by a cutting tool called Caracol.

  • Hurricane:

Drilling is the machining operation that aims to open, widen or finish holes in cnc machining milling parts.

The holes can be produced in dimensions ranging from a few millimeters to several centimeters in diameter.

What is the raw material for machining?

In the machining service, parts can be produced in:

  • Cast iron;
  • Stainless steel;
  • Bronze;
  • Copper;
  • Plastic;
  • Brass;

Machining in Industry

Most of all industrialized products, in some of their production stages, undergo some machining process.

Thus, the importance in the metalworking industry comes by the numbers below:

  • 80% of the holes drilled
  • 100% of surface quality improvement processes
  • 70% of transmission gears
  • 90% of the components of the aerospace industry
  • 100% of the medical-dental pins
  • 100% of intraocular contact lenses
  • The machine / tool trade represents one of the largest slices of the world's wealth.

Serial cnc machining milling parts Machining

The serial machining is the best of options for customers looking for high productivity at a lower cost.

cnc machining milling parts 2021

Therefore, the machining of serial parts is important for the industry, because it offers a high demand for a specific part for a specific product that can be built on a large scale. Or, still, to fulfill specific orders, with the production of smaller quantity, but maintaining the same quality.

Among all the options on the market, serial machining is considered the most viable option for 3 reasons: 

  1. Be faster;
  2. Produce many pieces in a short time;
  3. Present a lower cost due to the constant flow of production.

Thus, with the use of more modern equipment, serial machining guarantees the quality of the product.

It is very important to value the cnc machining milling parts projection stage, so that the client approves the dimensions and formats of the part. In serial machining, the parts will be produced in large quantities and will have a quality management process, so that they come out without fail.

cnc machining milling parts planning: how does it happen?

Machining planning can be defined as the module responsible for converting design data into work instructions.

When thinking about machining, planning consists of choosing some resources from those available, such as:

  • Machinery;
  • Cutting tools;
  • Fixing devices;
  • Definition of sequence of operations;
  • cutting conditions;
  • Definition of auxiliary operations;
  • Thermal and chemical treatments ;
  • Transformation (casting, forging, welding, printing, etc.).


cnc machining milling parts processes

There are several machining processes that can shape and create specific parts. In conventional machining, the main processes are:


One of the most well-known processes in machining, turning consists of molding the raw material of any geometry, in a cylindrical or conical shape.


The machining process, known as planing, is responsible for creating flat surfaces, generated by cutting in translation movement.


Drilling is a process in which a double-edged bit creates a cylindrical cavity in the part . This process has a variation, known as hole enlargement, in which the drill responsible for drilling can also increase the diameter of the hole.


Broaching is done through a multi-cutting tool, capable of translating movements with the static part, and thus giving shape to the part.


This process allows the removal of material with a fine finish, using a tool made of abrasive grains.

Machines facilitate and optimize the cnc machining milling parts process, enabling a wider range of machining processes, the main ones being:

  • machining center;
  • horizontal boring machine;
  • water cutting machine;
  • three-dimensional CNC machine;

Now, it is interesting to understand the services that machining implies in everyday life. It is used in the automotive, shipbuilding, aerospace, oil, civil construction and electronics industries.

Milling applies to the following materials:

  • PVC and polystyrene;
  • acrylic glass;
  • plywood;
  • composite aluminum panels;
  • MDF;

Modern working equipment guarantees material savings, due to which the manufactured goods have a fairly loyal value.

With the help of milling, you can solve problems of any complexity, for example, create an original advertising material or simply process the finished product. Other advantages of milling include:

  • speed of processing of parts;
  • high accuracy;
  • different angles of inclination of the edges of the product;
  • production of various reliefs;
  • no carbon deposits.

You can cut a sheet of material for subsequent milling both along a straight line and a curved line. Any company can create an individual model of a future product or perform work on a finished model.

CNC milling machine: working principle

The principle of a CNC milling machine is that the CNC uses digital files and interprets the design as instructions for the movement of the tools. The ability to program control increases productivity by automating high-tech and labor-intensive processes.

In general terms, the process of creating or machining a part on a milling machine consists of the following stages:

  • development of a model in the appropriate software;
  • converting the file to a CNC program;
  • setting up equipment;
  • direct milling

A rotating cylindrical cutter (cutter) in a CNC milling machine can move along several axes. Moreover, it creaties unique shapes, grooves, holes and parts - notches, grooves, pockets. Most machines operate on three to five axes, allowing advanced tools to handle extremely complex geometries.

Modern CNC milling machines come in both horizontal and vertical versions. And they allow you to process parts made of wood, plastic, aluminum composite and metals. The modern equipment of the machine necessarily provides for the presence of a cooling system and the possibility of changing tools.

Successful cnc machining milling parts depends on three components:

  • sufficient sharpness of the cutting edge of the cutter;
  • correctly set rotational speed of the cutter;
  • correct feed rate and material advance.

CNC milling machine: advantages

The most obvious advantage of cnc machining milling parts, especially in manufacturing, is automation. If a manufacturer needs to create thousands of identical parts, the setup only needs to be done once.

One operator can then start multiple machines at the same time by simply loading and unloading parts and pressing the start button. This efficiency has led to the possibility of mass production of complex machined parts.

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