Profession computer numerical control machine operator

    computer numerical control machine operator

CNC operators operate computer-controlled machines or robots to perform machine functions on metal or plastic workpieces.

Would you like to know what kind of career and professions suit you best? Take our free Holland code career test and find out.

Personality Type

  • Realistic / Conventional

Tasks computer numerical control machine operator

  • Determine specifications (material, machine operation, etc.), tool and equipment requirements and procedure sequences from blueprints, instructions and machine knowledge.
  • Select tools and materials necessary for the job.
  • Set up machine controls by turning the planned machining operations into a set of instructions.
  • Test the machine operation by a trial run or using computer simulations.
  • Operate CNC-machines for manufacturing.
  • Control machines during operation, e.g. by listening and observing, in order to detect problems or irregularities.
  • Confer with supervisor or programmer to resolve machine malfunctions and production problems.
  • Adjust machines in case of malfunctioning, problems or irregularities.
  • Mount, install, align and secure tools, attachments, fixtures and workpieces on machines, e.g. using hand tools and precision measuring instruments.
  • Maintain machines and remove and replace broken or worn machine parts using hand tools.

Related professions carpentry

  • Cabinet-maker
  • Carpenter
  • Carpenter helper
  • Concrete carpenter
  • Furniture maker
  • Kitchen joiner
  • Maintenance carpenter
  • Wood treater


  • Statistical process control

    Method of quality control that uses statistics to monitor processes.


  • Operate precision measuring equipment

    Measure the size of a processed part when checking and marking it to check if it is up to standard by use of two and three dimensional precision measuring equipment such as a caliper, a micrometer, and a measuring gauge.

  • Use CAM software

    Use computer-aided manufacturing (CAM) programmes to control machinery and machine tools in the creation, modification, analysis, or optimisation as part of the manufacturing processes of workpieces.

  • Read standard blueprints

    Read and comprehend standard blueprints, machine, and process drawings.

  • Supply machine with appropriate tools

    Supply the machine with the necessary tools and items for a particular production purpose.

  • Program a CNC controller

    Set up the desired product design in the CNC controller of the CNC machine for product manufacturing.

  • Use automatic programming

    Utilise specialised software tools to generate computer code from specifications, such as diagrams, structured informations or other means of describing functionality.

Optional knowledge and skills

smalltalk (computer programming) welding techniques types of metal spot metal imperfections tend metal sawing machine laser types ferrous metal processing types of sawing blades manufacturing of metal household articles tend cnc laser cutting machine abrasive blasting processes manufacturing of doors from metal python (computer programming) milling machines tend cnc grinding machine use cad software mechanics ml (computer programming) quality and cycle time optimisation tend cnc milling machine types of metal manufacturing processes keep records of work progress manufacturing of daily use goods apply preliminary treatment to workpieces procure mechanical machinery electron beam welding machine parts common lisp use welding equipment monitor conveyor belt java (computer programming) precious metal processing monitor gauge tend computer numerical control lathe machine manufacturing of cutlery manufacturing of weapons and ammunition tend water jet cutter machine visual studio .net manufacturing of heating equipment lisp water pressure types of plastic objective-c apl apply control process statistical methods manufacturing of jewellery manufacturing of sports equipment c++ ensure correct gas pressure record production data for quality control erlang cutting technologies tend laser beam welding machine pascal (computer programming) swift (computer programming) typescript replace sawing blade on machine electric current sas language work ergonomically electrical engineering manufacturing of door furniture from metal inspect quality of products ensure necessary ventilation in machining openedge advanced business language cobol r provide advice to technicians laser marking processes tend electron beam welding machine smooth burred surfaces scala laser engraving methods maintain mechanical equipment abap matlab operate scrap vibratory feeder manufacturing of metal containers perform product testing geometry electricity manufacturing of steel drums and similar containers groovy javascript scratch (computer programming) manufacturing of metal assembly products microsoft visual c++ engraving technologies maintain vacuum chamber manufacturing of light metal packaging mark processed workpiece sap r3 electrical discharge electron beam welding processes php prepare pieces for joining replace machines manufacturing of steam generators trigonometry manufacturing of metal structures ensure correct metal temperature liaise with managers ajax perl haskell non-ferrous metal processing ruby (computer programming) manufacturing of small metal parts computer programming types of engraving needles wear appropriate protective gear manufacturing of tools tend cnc engraving machine assembly (computer programming) c# prolog (computer programming) metal smoothing technologies apply precision metalworking techniques monitor stock level adjust temperature gauges metal joining technologies tend punch press interpret geometric dimensions and tolerances apply isopropyl alcohol safely apply cross-reference tools for product identification coffeescript operate metal sheet shaker dispose of cutting waste material vbscript