Skip to main content

CNC vs Metal Additive Manufacturing: Which Method Is Right for Your Product?

In the world of manufacturing, there are numerous techniques and methods to create the products that we use every day. Two of the most popular methods are CNC (Computer Numerical Control) and metal additive manufacturing. CNC machines are used to create precise parts by removing material from a solid block of metal, while metal additive manufacturing builds parts by adding layer upon layer of metal powder.

But when it comes to choosing between CNC and metal additive manufacturing, there are several factors that must be considered. Each method has its own advantages and disadvantages, and the decision often comes down to the specific requirements of the product being manufactured.

CNC machines have been around for decades and are well-established in the manufacturing industry. They are typically used for mass production of parts that require a high level of accuracy and repeatability. CNC machines can produce parts with a high degree of precision and speed, making them ideal for large production runs.

On the other hand, metal additive manufacturing, also known as 3D printing, is a relatively new technique that has gained popularity in recent years. With additive manufacturing, designers have the freedom to create complex parts that cannot be made with traditional manufacturing techniques. This is because additive manufacturing builds parts layer by layer, allowing for intricate designs that would be impossible to produce with CNC machines.

One of the main benefits of additive manufacturing is that it reduces waste material. With CNC machining, a significant amount of material is removed during the cutting process, which can result in high material costs. With additive manufacturing, only the necessary material is used, resulting in less waste and a more efficient manufacturing process.

Another advantage of additive manufacturing is the ability to produce parts on demand. With CNC machining, parts are typically produced in batches, which can lead to excess inventory and higher costs. Additive manufacturing allows for parts to be produced as needed, reducing the need for large inventories and lowering costs.

While additive manufacturing has numerous advantages, it is not without its limitations. One major drawback is the limited range of materials that can be used in the process. While CNC machines can work with a variety of metals, additive manufacturing is typically limited to a few materials such as titanium, aluminum, and stainless steel.

Despite these limitations, additive manufacturing and CNC machining can complement each other when used together. Additive manufacturing can be used to create complex parts with intricate designs, while CNC machining can be used to finish and post-process these parts. For example, CNC machining can be used to smooth out rough surfaces, remove excess material, and create precise features such as threaded holes or channels.

In conclusion, the decision to choose between CNC and additive manufacturing ultimately comes down to the specific requirements of the product being manufactured. While each method has its own advantages and limitations, they can work together to create high-quality, complex parts that meet the demands of today’s manufacturing industry.

Read More Insights

Read All

Introducing ADDMAN Precision: Your Complete Solution for CNC Manufacturing


Tap Testing

Get Started

Take the first step to Power the Pursuit. Begin today with a simple metal or polymer quote on a 3D printed part, submit a complex quote request or schedule a conversation and share your challenges.