9422- Plastics processing machine operators

Mixing machine operators perform some or all of the following duties:


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 perform some or all of the following duties:


Set up and operate calender 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 perform some or all of the following duties:


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 perform some or all of the following duties:


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.