塑料加工机械操作员

Mixing machine operators

Weigh resins, colourants 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 colourants 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.

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.

Mobility among the various operators in this unit is possible.

Progression to supervisory positions is possible with experience.

Labourers in rubber and plastic products manufacturing (See 95104 Labourers in rubber and plastic products manufacturing)

Plastic products assemblers, finishers and inspectors (See 94212 Plastic products assemblers, finishers and inspectors)

Rubber processing machine operators and related workers (See 94112 Rubber processing machine operators and related workers)

Supervisors, plastic and rubber products manufacturing (See 92013 Supervisors, plastic and rubber products manufacturing)