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Version:
2016

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9422 – Plastics processing machine operators

Plastics processing machine operators set up and operate plastic mixing, calendering, extruding and moulding processing machines used in the manufacture of plastic parts and plastic products. They are employed by plastic products manufacturing companies.

Profile

Example titles

  • Bag machine operator
  • Banbury operator - plastic manufacturing
  • Blow moulding machine operator - plastic manufacturing
  • Calender operator - plastic manufacturing
  • Extruder operator - plastic manufacturing
  • Injection moulding operator - plastic manufacturing
  • Plastics press operator
  • Printing roller moulder - plastic manufacturing
  • Solution mixer operator - plastic manufacturing
  • Thermoforming operator

Main duties

This group performs some or all of the following duties:
Mixing machine operators
  • Weigh resins, colorants and other chemicals according to formula
  • Place weighed materials in mixing machine and operate machine to blend plastic and other chemicals to a specified consistency or viscosity
  • Monitor operation, regulate material supply and add chemicals and colorants to mixture
  • Operate controls to regulate temperature, speed and other processing conditions
  • Unload mixture into container or conveyor for further processing
  • Maintain and perform minor repairs on machinery as required
  • Maintain inventory of material and clean working area.
Calendering process operators
  • Set up and operate calendering machines which transform dough-consistent plastic mass into continuous sheets or films of specified thickness
  • Troubleshoot, maintain and make minor repairs to equipment and adjust calender rollers for production line change
  • Monitor quality of material produced
  • Maintain inventory of material and clean working area.
Extruding process operators
  • Set up and operate one or more extruding machines which extrude plastic composites products through a nozzle or die
  • Change dies on extruding machines according to production line change
  • Troubleshoot, maintain and make minor repairs to equipment
  • Monitor quality of material produced
  • Maintain inventory of material and clean working area.
Moulding process operators
  • Set up and operate one or more moulding machines which mould plastic products according to specifications
  • Change moulds and adjust equipment for production line change
  • Troubleshoot, maintain and make minor repairs to equipment
  • Monitor quality of material produced and adjust machine settings as required
  • Follow formulation card to mix ingredient batches for injection moulding process
  • Maintain inventory of material and clean working area.

Employment requirements

  • For all operators in this unit group, completion of secondary school is usually required.
  • Several years of experience as a helper, tender or packer in the same company may be required.
  • Completion of a statistical process control (SPC) course may be required.
  • Completion of courses in hydraulics, pneumatics and electronics systems may be required for moulding process operators.
  • On-the-job training is provided.

Additional information

  • Mobility among the various operators in this unit is possible.
  • Progression to supervisory positions is possible with experience.

Exclusions

  • Labourers in rubber and plastic products manufacturing (9615)
  • Plastic products assemblers, finishers and inspectors (9535)
  • Rubber processing machine operators and related workers (9423)
  • Supervisors, plastic and rubber products manufacturing (9214)

Breakdown summary

Broad occupational category
9 - Occupations in manufacturing and utilities
Skill level
4 - Occupations usually require secondary school and/or occupation-specific training
Major group
94 - Processing and manufacturing machine operators and related production workers
Minor group
942 - Machine operators and related workers in chemical, plastic and rubber processing
Version
2016
Date modified: