CNC Cutting Machine Practice Test

How can additive and subtractive manufacturing be effectively combined?

1. Using only traditional methods

2. Hybrid machines with a milling finish

3. Old machines that are modified

4. Using additive methods exclusively

The correct answer is: Hybrid machines with a milling finish

The most effective combination of additive and subtractive manufacturing is achieved through hybrid machines that incorporate milling, finishing processes alongside 3D printing technology. Hybrid machines are designed to perform both additive processes, where material is added layer by layer, and subtractive processes, where material is cut away to achieve precise shapes and dimensions. This combination allows for the benefits of each method to be leveraged; additive manufacturing can create complex geometries and structures that may be difficult to achieve through traditional means, while subtractive manufacturing provides the precision finishing needed for high-quality parts. The ability to integrate both processes within a single machine can streamline workflows, reduce the need for multiple machines, and minimize lead times, ultimately enhancing productivity and efficiency in manufacturing. The other options do not capture the synergy offered by hybrid technology. Relying solely on traditional methods limits the capabilities of modern manufacturing, while using old machines that are simply modified does not necessarily provide the advanced functionality needed to effectively combine both additive and subtractive methods. Exclusively utilizing additive methods eliminates the precision and finishing capabilities that subtractive processes can offer, thereby missing out on the advantages of a hybrid approach.