CNC OPERATOR - MILLING AND TURNING (1094HY V1) Hybrid

River Valley Resources, Inc.

Registered 2026

Indiana (OA)

Documents

Individual state requirements may vary. Please contact your local apprenticeship office to ensure this version is suitable to your state’s requirements.

Work Process Schedule

Work Process Content

On the Job Training

Anonymous

Skills

2.5K

OJT hours

Operate metal or plastic forming equipment.

Adjust machine controls and change tool settings to keep dimensions within specified tolerances.

Read work orders or other instructions to determine product specifications or materials requirements.

Study blueprints, layouts or charts, and job orders for information on specifications and tooling instructions, and to determine material requirements and operational sequences.

Review blueprints or other instructions to determine operational methods or sequences.

Study blueprints, layouts or charts, and job orders for information on specifications and tooling instructions, and to determine material requirements and operational sequences.

Set equipment controls to meet cutting specifications.

120

Move controls to set cutting speeds and depths and feed rates, and to position tools in relation to workpieces.

Measure dimensions of completed products or workpieces to verify conformance to specifications.

120

Inspect sample workpieces to verify conformance with specifications, using instruments such as gauges, micrometers, and dial indicators.

Operate grinding equipment.

120

Replace worn tools, and sharpen dull cutting tools and dies, using bench grinders or cutter-grinding machines.

Replace worn equipment components.

120

Replace worn tools, and sharpen dull cutting tools and dies, using bench grinders or cutter-grinding machines.

Sharpen cutting or grinding tools.

120

Replace worn tools, and sharpen dull cutting tools and dies, using bench grinders or cutter-grinding machines.

Feed materials or products into or through equipment.

120

Calculate dimensions of workpieces, products, or equipment.

120

Compute unspecified dimensions and machine settings, using knowledge of metal properties and shop mathematics.

Conduct test runs of production equipment.

120

Crank machines through cycles, stopping to adjust tool positions and machine controls to ensure specified timing, clearances, and tolerances.

Mount attachments or tools onto production equipment.

120

Position, secure, and align cutting tools in toolholders on machines, using hand tools, and verify their positions with measuring instruments.
Install holding fixtures, cams, gears, and stops to control stock and tool movement, using hand tools, power tools, and measuring instruments.
Mount attachments, such as relieving or tracing attachments, to perform operations, such as duplicating contours of templates or trimming workpieces.

Monitor equipment operation to ensure that products are not flawed.

120

Start lathe or turning machines and observe operations to ensure that specifications are met.

Operate cutting equipment.

120

Start lathe or turning machines and observe operations to ensure that specifications are met.

Perform basic equipment maintenance.

120

Refill, change, and monitor the level of fluids, such as oil and coolant, in machines.

Program equipment to perform production tasks.

120

Program robotic equipment.

120

Clean work areas.

120

Lift materials or workpieces using cranes or other lifting equipment.

Lift metal stock or workpieces manually or using hoists, and position and secure them in machines, using fasteners and hand tools.

Mount materials or workpieces onto production equipment.

100

Lift metal stock or workpieces manually or using hoists, and position and secure them in machines, using fasteners and hand tools.

Install mechanical components in production equipment.

100

Install holding fixtures, cams, gears, and stops to control stock and tool movement, using hand tools, power tools, and measuring instruments.

Select production equipment according to product specifications.

100

Select cutting tools and tooling instructions, according to written specifications or knowledge of metal properties and shop mathematics.

Adjust equipment controls to regulate coolant flow.

100

Turn valve handles to direct the flow of coolant onto work areas or to coat disks with spinning compounds.

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