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..................................................................................................................................... 3  \n2 The Occupational Standards ......................................................................................................... 5  \n3 The assessment approach & principles ..................................................................................... 10  \n4 The Marking Scheme..................................................................................................................... 11  \n5 The Test Project ............................................................................................................................ 16  \n6 Skill management and communication ...................................................................................... 23  \n7 Skill specific safety requirements............................................................................................... 24  \n8 Materials and equipment ............................................................................................................. 25  \n9 Skill-specific rules ........................................................................................................................ 29  \n10 Visitor and media engagement.................................................................................................... 31  \n11 Sustainability ................................................................................................................................ 32  \nES2025_TD07_en  \nLast updated: 22.04.2024 12:00 (GMT)  \n© WorldSkills Europe. All rights reserved CNC-Milling  \n2 of 32  \n1 Introduction  \n1.1 Name and description of the skill competition  \n1.1.1 The name of the skill competition is  \nCNC Milling  \n1.1.2 Description of the associated work role(s) or occupation(s)  \nComputer Numerical Control (CNC) technology has become omnipresent. Most people cannot imagine how important these technologies are in their lives. There is nothing that we use that hasn’t in its manufacturing utilized CNC technology. It is present in products and objects of everyday life, such as cars, airplanes, components of machines of all types, moulds for tools used for household machines, medical prosthetics, cell phones, and toys.  \nCNC milling machines are machine tools used for the shaping of metal and other solid materials. These machines exist in two basic forms: horizontal and vertical. This refers to the orientation of the cutting tool spindle. Early milling machines were manually or mechanically automated, but technological advances have led to the development of Computer Numerical Control, such as the CNC machining centre. CNC refers to a computer-controlled device to read and store instructions. This numerical information, generally “G and M” codes (a programming language) is then used to control and drive a machine tool which is a powered mechanical device (“machining centre”) . A machining centre is used to fabricate components using cutting tools for removing the material.  \nTo form the finished part, the cutting process can be started from a solid block, pre-machined part, casting, or forgings. For those scenarios, the skill requires the highly skilled CNC milling machinist must read and interpret complex technical drawings and specifications, and work to a high degree of precision and detail. They must be proficient in metal work and understand how metals react to various processes. They must be a skilled computer operator and machine operator. The programs can be generated manually or using Computer Aided Design/Computer Aided Manufacture (CAD/ CAM) software.  \nTo achieve the finished part, the CNC milling machinist undertakes a sequence of essential activities, from interpreting engineering drawings to optimizing the machining process:  \n• Interpreting engineering drawings and following the specifications  \n• Generating the p","cbCaitjbqdnCwlvw","https://ap.wps.com/l/cbCaitjbqdnCwlvw","pdf",931608,32,"English","# Introduction\n## Name and description of the skill competition\n## The content, relevance and significance of this document\n## Associated documents","[{\"question\":\"What is the CNC Milling skill competition about?\",\"answer\":\"It covers CNC milling as a machining skill, focusing on programming and operating CNC machining centres to produce precise metal or solid-material parts from drawings and specifications.\"},{\"question\":\"How do G and M codes relate to CNC milling?\",\"answer\":\"G and M codes are numerical instructions stored and read by the CNC system, used to control and drive the machine tool during machining.\"},{\"question\":\"What essential activities does a CNC milling machinist perform?\",\"answer\":\"They interpret engineering drawings, generate processes and programs using CAD/CAM or G and M codes, set up tools and workholding, choose cutting conditions, and operate, inspect, and maintain dimensional accuracy within specified tolerances.\"}]","CNC Milling - Technical Description - Introduction | PDF",81]