CNC machining is a manufacturing process that uses pre-programmed programming software to power machine tools. This technology can be used to perform a wide variety of dynamic processes, including scraping, routing, milling, scratching, spinning and grinding. CNC machining revolutionized the market in the 1960s and is still the dominant method of machining. It is necessary to consider the different advantages and drawbacks of using this technology in your manufacturing operations.

Advantages 

  • manual labour, CNC machines (with the exception of any failure or repair problems) can run continuously for any period of time without interruption. This dramatically increases production and efficiency.
  • Consistency, Accuracy and Redundancy: for computer machines, the architecture of any given product must be configured only once. The CNC machine will then precisely reproduce the specification for every quantity of the order.
  • Low Skill Requirement: CNC machine operators need little preparation and expertise relative to manual machine operators.
  • Fewer personnel: since computer software operates the system, fewer technicians are required for service and monitoring, reducing overall costs.
  • Flexibility: The software can be reprogrammed rapidly and efficiently to manufacture new components, enabling operations to keep up with evolving consumer needs.
  • Capacity: This technology uses computer accuracy to solve the limits of manual capabilities. More complicated and nuanced CNC machining operations are feasible.

Disadvantages:

  • Cost: CNC machines are more costly and need a larger initial investment than machines that can be run manually. However, as this equipment becomes normal, supply is growing, resulting in a steady reduction in prices.
  • Skills Loss: As demand for manual machine operators declines, fewer and fewer new students learn these skills. Eventually, this may lead to a complete lack of long-established skills.
  • Unemployment: Robotics eliminates the demand for labor, and fewer employees are employed. That said, the demand is now moving to digital engineering and mechanical engineers, and curriculum and training will have to be tailored to accommodate the need. For more information on the skills shortage in the automotive sector

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