What Do CNC Mill Operators Do (including Their Typical Day At Work)

CNC Mill Operators set up, operate, or tend milling or planing machines to mill, plane, shape, groove, or profile metal or plastic work pieces. They also position and secure workpieces on machines, using holding devices, measuring instruments, hand tools, and hoists.

Other tasks include:

• Remove workpieces from machines, and check to ensure that they conform to specifications, using measuring instruments such as microscopes, gauges, calipers, and micrometers.
• Verify alignment of workpieces on machines, using measuring instruments such as rules, gauges, or calipers.
• Move cutters or material manually or by turning handwheels, or engage automatic feeding mechanisms to mill workpieces to specifications.
• Observe milling or planing machine operation, and adjust controls to ensure conformance with specified tolerances.
• Select cutting speeds, feed rates, and depths of cuts, applying knowledge of metal properties and shop mathematics.
• Study blueprints, layouts, sketches, or work orders to assess workpiece specifications and to determine tooling instructions, tools and materials needed, and sequences of operations.

We asked CNC Mill Operators how satisfied they are with their job. Here is what they said.

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61% of them said they were satisfied with their job and 46% said they find that their job makes the world a better place or helps to make someone else’s life better.

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On a daily basis, CNC Mill Operators study blueprints, layouts, sketches, or work orders to assess workpiece specifications and to determine tooling instructions, tools and materials needed, and sequences of operations. They record production output.

A typical day for a Milling and Planing Machine Setter, Operator and Tender, Metal and Plastic will also include:

• Remove workpieces from machines, and check to ensure that they conform to specifications, using measuring instruments such as microscopes, gauges, calipers, and micrometers.
• Compute dimensions, tolerances, and angles of workpieces or machines according to specifications and knowledge of metal properties and shop mathematics.
• Turn valves or pull levers to start and regulate the flow of coolant or lubricant to work areas.
• Position and secure workpieces on machines, using holding devices, measuring instruments, hand tools, and hoists.
• Observe milling or planing machine operation, and adjust controls to ensure conformance with specified tolerances.

We asked some CNC Mill Operators a few questions to find out what else does their work day look like. Here is what we found.

Besides their typical day, CNC Mill Operators also make templates or cutting tools. They may also mount attachments and tools, such as pantographs, engravers, or routers, to perform other operations, such as drilling or boring.

On a weekly to monthly basis, CNC Mill Operators Replace worn tools, using hand tools, and sharpen dull tools, using bench grinders. They might also Turn valves or pull levers to start and regulate the flow of coolant or lubricant to work areas.

In addition, they Select and install cutting tools and other accessories according to specifications, using hand tools or power tools.

Although specific duties may vary, many of them Observe milling or planing machine operation, and adjust controls to ensure conformance with specified tolerances.

To some CNC Mill Operators, it is also their responsibility to Study blueprints, layouts, sketches, or work orders to assess workpiece specifications and to determine tooling instructions, tools and materials needed, and sequences of operations.

Standard 40 hour work week

Regular schedule like a 9 to 5

In a typical work week as a Milling and Planing Machine Setter, Operator and Tender, Metal and Plastic, you can expect to work 40 hour work week.

People who are suitable for this job tends to like work activities that include practical, hands-on problems and solutions. They like working with plants, animals, and real-world materials like wood, tools, and machinery..

They also like following set procedures and routines. They like working with data and details more than with ideas.

You can read more about these career personality types here.