Injection molders live and die by cycle time, cavitation, and scrap — details generic accounting tools cannot model. ERPNext handles cavitation-aware BOMs, regrind and scrap accounting, lot traceability, and machine scheduling, giving plastics processors a true cost-per-part instead of an educated guess.
The problem
Material yield, purge, and regrind reuse never make it into cost, so quoted margins do not survive contact with the floor.
Parts-per-cycle and multi-cavity tooling break BOM logic in tools built for discrete units.
Lot and batch history is manual, making recalls and customer audits slow and risky.
The fix
Model parts-per-cycle, runners, and multi-cavity tools so output and material draw are calculated, not estimated.
Track scrap rates and regrind reuse against each run to get a defensible cost-per-part.
Full genealogy from resin lot to finished good for audits, recalls, and customer quality requirements.
In the field
Piper Plastics quotes engineered parts where price depends on materials, multi-operation routing, and machine time — logic that lived in spreadsheets beside a closed Shoptech E2 system. We migrated them to ERPNext and built a BOM-driven estimation engine with price-per-hour and material-markup rules, so estimates flow into orders and production in one traceable chain.
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Book a free 30-minute discovery call. We’ll assess your current setup and tell you honestly whether ERPNext is the right fit.