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The automation of loading and unloading operations for CNC vertical milling centres has become increasingly important due to rising production costs, labour shortages, and the pursuit of higher productivity and efficiency. This paper investigates the challenges associated with automating these processes, particularly focusing on optimising workspace utilization, reducing auxiliary times, and improving overall workflow in CNC production environments. An overview of CNC technology development and its current capabilities is provided, highlighting the essential role of G-code programming and the transition from manual to computer-aided manufacturing. Key issues such as the high cost of programming for small batches, difficulty in recruiting skilled operators, and the economic factors influencing automation decisions are analyzed. The study emphasises the critical importance of careful investment planning, including return on investment (ROI) considerations, productivity gains, and quality improvements. Practical guidelines for robot selection, end-effector design, and CNC-machine communication integration are proposed, along with a workflow model for automating part handling tasks. An experimental application on a VMC 1000L vertical milling centre demonstrates the practical aspects and challenges of implementing an automated loading/unloading system, including necessary machine modifications like door automation. The paper concludes that although automation offers significant benefits, it is not universally applicable; a detailed feasibility study based on batch sizes, product complexity, and financial evaluation is crucial for success. Hybrid approaches combining manual and automated operations are suggested for flexible and cost-effective manufacturing strategies. The study highlights the growing role of intelligent automation as a response to market dynamics, labour trends, and technological advancements in the CNC manufacturing sector.