Quality control in CNC machining during production manufacturing is crucial to ensure that products meet specifications and requirements. The process involves various steps, including design validation, material inspection, setting appropriate machining parameters, validating CNC programs, conducting first piece inspections, monitoring processes, performing periodic and final inspections, checking surface quality, and maintaining records for traceability. These methods collectively aim to guarantee dimensional accuracy, surface finish, and functionality of the final product. By implementing effective quality control measures, CNC machining ensures consistent and reliable results, meeting the highest standards of quality in various industries.