What is CNC machining?

What does CNC stand for in CNC machining?

• Central Network Control

• Computer Network Control

• Central Numerical Control

• Computer Numerical Control

Which of the following is a key benefit of CNC machining?

• No need for CAD models

• Low material cost

• High repeatability

• Unlimited design freedom

What is the most popular CNC machine architecture?

• CNC turning

• CNC milling

• CNC grinding

• CNC drilling

Which material is the most economical option for CNC machining?

• Aluminum 6061

• Brass C360

• Stainless Steel 304

• ABS

What is the typical dimensional accuracy of CNC machining?

• ± 0.5 mm

• ± 0.125 mm

• ± 0.025 mm

• ± 1 mm

Which CNC machining process is ideal for manufacturing parts with symmetry along their center axis?

• CNC drilling

• CNC grinding

• CNC turning

• CNC milling

What is the minimum recommended wall thickness for metal parts in CNC machining?

• 1 mm

• 0.75 mm

• 1.5 mm

• 0.5 mm

Which of the following is a common post-processing method for CNC machined parts?

• Annealing

• Anodizing

• Electroplating

• Heat treating

What is the main disadvantage of CNC machining compared to 3D printing?

• Limited material options

• Higher startup cost

• Longer lead times

• Lower accuracy

Which cutting tool is commonly used to create holes in CNC machining?

• Flat head tool

• Bull head tool

• Drill

• Ball head tool