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
Occupation content
Part of Manufacturing, production and quality
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
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
Typical work context
Team based · Shift work · Fast paced · Physically active · Predictable routine
Related interests
Realistic (hands-on) · Conventional (organizing)
Related aptitude preparation
These are preparation links only. They do not measure eligibility for this occupation and no score here qualifies or disqualifies anyone.
Skills to practise
- Mechanical comprehension
- Technical reasoning
- Attention and concentration
- Safety judgment
- Error detection
Practice suites
Related learning
Family-level learning links for Manufacturing, production and quality.
Official sources
Labour-market facts such as pay and employment projections are not reproduced here. Open an official source below for figures, with its own geography and reference period.
- O*NET OnLine — occupation search: plastic molding machine operator · United States
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- Canada Job Bank — Search job profiles · Canada
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- UK National Careers Service — Explore careers · United Kingdom
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Labour-market context (not part of exploration match)
This is broad family-level context for Manufacturing, production and quality in Canada, not a figure for Injection moulding operator. It does not affect matching scores and is not an eligibility determination.
This is a broad Manufacturing, production and quality family. Explore the official profile for the chosen occupation; entry education and training can differ within the family.
Canada Job Bank Career Planning · Canada · Current official profile; consult source for its release period
Manufacturing, production and quality: education pathways
Some roles in Manufacturing, production and quality may be regulated. Confirm whether the specific role requires registration, certification, or a jurisdiction-specific licence.
Canada Job Bank Career Planning · Canada · Current official profile; consult source for its release period
Manufacturing, production and quality: licensing
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