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CNC Milling Machining (176)

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COMPUTER NUMERICAL CONTROL milling is a CNC process that requires the use of rotating cutters to remove portions of a block of fabric (or workpiece) till the desired custom condition (or feature) is done. That allows manufacturers to create intricate elements accurately while getting together with tight tolerance requirements.

Computer numerical control (CNC) milling machines have evolved over time, allowing for the creation of accurate parts that meet the stringent requirements of today’s requiring industries. The apps of CNC milling machines are near-endless, spanning across many industries like the aerospace, automotive, robotics, and medical companies, to name a few.

This article will get down to the nitty-gritty of CNC milling. Do you want to know about the milling process? The kinds of milling operations? Typically the features of the process? You’ve come to the right place.

Table of Articles

What is a CNC Milling Equipment?

The CNC Milling Method

Stage #1 Make a 2D or 3D CAD Unit

Stage #2 Transfer the CAD Unit to a COMPUTER NUMERICAL CONTROL program

Stage #3 Setup the COMPUTER NUMERICAL CONTROL Milling Machine and Execute Milling Functioning

3 Common COMPUTER NUMERICAL CONTROL Milling Operations

#1 Face Milling

#2 Plain Milling

#3 Angular Milling

Many Features of CNC Milling


What is a CNC Milling Machine?

CNC milling steel with a carbide conclusion generator

CNC milling metallic with a carbide conclusion mill

To know what a COMPUTER NUMERICAL CONTROL milling machine is and just how it runs, let’s get backside to the principles of milling. Milling is a engineering process that consists of the use of rotating cutters to take out portions of a block of stuff (or workpiece) right up until the desired custom condition (or feature) is made.

Typical milling machines typically have a portable tabletop (or clamping device) maintain workpiece in place, allowing machine operators to advance the workpiece in several directions against the rotating cutter.

Just like the conventional milling machines, CNC milling machines also count on a portable tabletop and spinning cutters to remove materials and create parts. Yet , they differ in the mode with which these machining functions are carried out.

COMPUTER NUMERICAL CONTROL milling machines use computerized controls to handle machining operations, whilst conventional milling requires manual functioning of the rotating used vinyl cutter to create elements.

Let’s have a look at the milling process in more detail.

Typically the CNC Milling Method

CAD Model on computer screen

Typically the milling process can be broken upwards into three distinctive stages.

Stage #1 Make a 2D or 3D CAD Unit

The 1st step of the CNC milling process is to create 3D (or 2D) drawings of your desired part using CAD/CAM software like Autodesk Inventor, Blend 360, and SolidWorks. These computer-aided design (CAD) or computer-aided manufacturing (CAM) tools allow you to specify your proportions and tolerance requirements.

Stage #2 Transfer the CAD Unit to a COMPUTER NUMERICAL CONTROL program

Export your CAD model into a CNC-compatible record using the CAMSHAFT software we stated in stage #1. CAM tools have functionalities that allow you to convert your 3D CAD model into some type of computer program called G-code.

The G-code then automates all those things necessary to fabricate account, for example, the reducing sequence, toolpath, machine tool speed, workpiece movement, to name a few.

Period #3 Setup the CNC Milling Equipment and Execute Milling Operation

This is the phase where you insert your workpiece into the CNC machine work surface, attach your cutting tools into the spindle of the CNC machine, and download the G-code you already created in period #2.

Once all these steps have been completed, check out initiate the engineering program. And the milling machine will perform all functions had to turn your workpiece into your desired part.

3 Common CNC Milling Operations

CNC engineering using advanced milling process

#1 Confront Milling

Face milling is arguably the most frequent type of milling functioning used for creating flat floors. This machining functioning is done so that the rotating axis of the reducing tool is verticle with respect to the surface of the workpiece being machined.

As being the name suggests, face milling functioning consists of the use of a face generator cutter. These blades have multiple compatible cutter inserts, letting you produce your desired surface successfully in a pass.

Compared to peripheral milling, face milling can also help you achieve higher-quality surface surface finishes. For the reason that the design of the face mill cutter offers you close control of the engineering operation, letting you remove a smaller amount of material as opposed to peripheral milling.

#2 Plain Milling

Plain milling, also called as slab milling, is a milling functioning used to produce plain, horizontal floors. The machining functioning is carried out such that the axis of the cutting tool is parallel to the surface being machined.

The process works on the special type of cutter (plain milling cutters) which may have their teeth on the periphery, allowing machinists to perform cutting operations.

#3 Angular Milling

Just like plain milling, slanted milling also helps you to create flat surfaces. The two of these functions only change in the way the cutting tool is set.

Inside angular milling, the axis of the cutting tool is in an angle to the surface of the workpiece. This permits you to make features like bands, serration, and chamfer.

Some Advantages of CNC Milling

Beat and cross addressing the decision how to manufacture modele parts

CNC milling machines offer higher accuracy and accurate compared to many modern-day manufacturing technology.

Multiple-axis CNC machines can cause extremely intricate geometries while getting together with tolerance requirements as tight as +/-0. 004mm.

CNC machines these can be used with with a variety of materials, including plastic, composites, and metals.

Know more: Typically the Advantages and Cons of CNC Milling


Without a doubt, CNC machines can accurately create complex geometries and meet tight tolerances. But like with other machining technology, the achievements of your CNC milling project mostly will depend on your CNC milling machine operators, technicians, and engineers. Honestly, that is why you must find the appropriate manufacturer for building.

Xiejin Machining is a leading provider of CNC machining services across the planet. We certainly have a team of highly skilled technicians and designers to assist you in creating15006 the parts you will need.


We are available 24/7 via fax, email or telephone.

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    CNC Milling Machining (176)
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