Extrusion operators control machines that shape metal and plastic into various forms, ensuring accuracy and functionality of the die and adjusting parameters such as temperature and speed. They must troubleshoot and repair faulty machines and may require specialized training.
An extrusion operator controls fabrication machines that form metal and plastic into different shapes, such as engine block parts or plastic tubes. The operator must pay close attention to the machine’s extruded parts, observing size and dimension accuracies for a quality final product. Many of those employed as an extruder operator gain experience in learning machine operations as apprentices to experienced workers or on trade courses.
Metal and plastic extrusion machines must be set up with specific dies or cutting shapes to create the desired part. Extrusion operators start a day’s work by checking the correct placement of the die in the machine. A die can wear out or deform over time, causing a defective final product after the extrusion process. An extrusion operator determines the functionality of the die by visually inspecting its shape before starting machine operations. A worn die should be noticed by the extruder and replaced immediately.
The extrusion machine must be constantly monitored during operation. Operators adjust functional parameters, in small increments, during the extrusion process via controls on the outside surface of the machine or at a nearby control station. Functional parameters such as temperature and air pressure must match according to the extruded material such as metal or plastic.
The manufacturing speed of the extrusion machine is also regulated by the operator. A machine that ejects material too quickly will compromise the structural integrity of the part, wasting material and slowing production. The operator must strike a balance between a quality extruded product and meeting general production needs while keeping the machine running at a consistent pace.
A successful extruder operator must enjoy hands-on mechanical work, mixed with computerized work tasks involving the control station. Many experienced operators work independently for most of the day, while an apprentice can be monitored repeatedly throughout the work shift to ensure correct machine operations. Final product accuracy must be continuously observed by the extruder operator, confirming part diameters and sizes repeatedly throughout the day.
Operators must be confident in their abilities to troubleshoot and troubleshoot a faulty machine. A broken machine must be shut down immediately and reported to the supervisor, regardless of production needs. Quick repair procedures must be implemented by the operator. The machine should not be placed back on the production line until the operator is satisfied that the machine functions within specification.
Some employers require an extrusion operator to possess a diploma or certificate from a school specializing in extrusion machine theory. Newly trained operators should note that on-the-job training will still be required after obtaining the diploma or certificate. Each manufacturing company has slightly different operational needs for specific extrusion machines.
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