MANUFACTURING
Injection Molding Cell Petri Net
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CASE ANALYSIS
Scenario
An injection molding cell produces inspection covers through clamping, injection, cooling, ejection, and quality inspection, with failed parts sent to rework rather than scrap.
Key decisions
- Model quality inspection as two competing transitions to represent pass/fail outcomes
- Add a rework loop from rejected parts back to raw material
- Keep the final passed-inspection place as a sink with no outgoing transitions
When to reuse this
Use this pattern for discrete manufacturing processes with sequential stages, branch quality gates, and rework loops.
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petri-injection-molding-cell-for-an-inspection-cover-clamping-inje