There are many types of CNC machining materials. The most common raw materials in our milling processes are metal and plastic.
Our CNC parts feature stainless steel, aluminum, metal alloys, bronze, and other common metals. Common plastics include Polypropylene, Polycarbonate, PVC, and ABS. Our CNC milling machines also create parts from reinforced plastic materials such as Polypropylene (PP) 30%GF and PEEK.
Each of these materials has unique machinability levels. This aspect is worth considering when analyzing the cost of your project. The cost aspect comes in the form of hardness, heat impact, and surface finish of the material.
The hardness of CNC parts determines the type of CNC cutting tool and cutting parameters. A special tool may be necessary to mill titanium (a super hard material). The cutting process may also be slower for such a hard material. The additional labor costs and tooling costs can impact overall CNC machining cost.
Polymers and other extremely soft materials can present related challenges. Special tools on the CNC mill and slower milling speeds may be necessary. Such interventions affect the operating costs and overall project cost.