Occupation
Injection moulding operator
Injection moulding operators run machines that melt polymer and inject it into moulds to form plastic parts. They load material, monitor cycle settings, and inspect mouldings for short shots, flash, sink marks, and other defects. Because a small process drift can spoil a whole run, watching the cycle and reacting early is the main skill.
Also known as: Injection molding operator · Plastics machine operator · Moulding technician · Plastics process operative
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Occupation content
Part of Manufacturing, production and quality
A visual day in the work
What the work involves
Load polymer granules, masterbatch, and additives and set up the drying and feed system
Start machines, monitor cycle time, temperatures, and pressures, and keep them within limits
Inspect mouldings for short shots, flash, sink, warp, and cosmetic defects and separate rejects
Trim sprues and runners, finish parts, and pack to the customer specification
Support mould changes and purging under supervision or with a technician
Record shot counts, scrap, downtime, and process settings on the batch record
Entry-route stepper
How people commonly enter
Direct entry with employer training on machine operation, safety, and defect recognition
A short polymer processing or plastics manufacturing course
A college certificate or diploma in polymer or plastics processing technology
Progression from general production into moulding, then into setting and technician work
Typical training: Short course or on-the-job training
Licensing: Not typically licensed
Work-context map
Typical work context
- Team based
- Shift work
- Fast paced
- Physically active
- Predictable routine
Team based · Shift work · Fast paced · Physically active · Predictable routine
Related interests
- Realistic (hands-on)
- Conventional (organizing)
Realistic (hands-on) · Conventional (organizing)
Related aptitude preparation
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Skills to practise
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