TS 12366

TS 12366 is a vocational standard for the milling machine operator profession. It defines the occupation, the people who perform it, and the way those workers are classified, while also framing the tools, equipment, and knowledge and skills expected for each class. In general technical terms, milling is a machining process that removes material from a workpiece to produce flat surfaces, slots, pockets, gears, and related geometries.

How the occupation is defined and classified

The standard focuses on what the milling operator role includes and how its competency levels are distinguished. In occupational standards, classification helps separate job levels, specializations, or responsibility bands within the same trade so that training, recruitment, and job description practices can use a common reference. The emphasis here is not only on naming the trade, but on describing the skill profile associated with the person who performs it.

Tools, equipment, and the technical context of milling

In milling work, machine type, cutter selection, workholding arrangements, measuring instruments, and auxiliary equipment all affect output quality. From a general engineering perspective, correct clamping of the workpiece, suitable cutting speed and feed, dimensional checking, and control of surface finish are core elements of the trade. The standard frames these areas from the standpoint of training and occupational competence, while the detailed operating methods and technical values belong to the broader general knowledge of machining practice.

• Occupation definition and scope
• Professional classification approach
• Tools, equipment, and auxiliary devices used
• Knowledge and skills required for each class