Tooling, Fixtures, Dies & Mold Economics calculator
Remaining Die Life Output Calculator
Estimate output remaining before a die reaches its approved service stroke limit. Enter counter readings, part positions, yield, daily completed strokes and demand.
What this calculator does
- Translate remaining die strokes into expected good parts and service timing without applying uptime to wear life.
Formula used
- Remaining strokes = max(service limit strokes − used strokes, 0)
- Remaining gross parts = remaining strokes × parts per stroke
- Remaining good parts = remaining gross parts × first pass yield ÷ 100
- Working days to service = remaining strokes ÷ daily completed strokes
- Demand headroom = remaining good parts − required good parts
Inputs explained
- Parts per Die Stroke: Active part positions made on each die stroke from the layout.
- Approved Service Limit: Approved strokes before this die requires service from your maintenance plan.
- Strokes Since Service: Stroke counter since the service that reset this approved limit.
- Stamping First Pass Yield: Good stamped parts divided by total stamped parts from comparable runs.
- Expected Strokes per Working Day: Actual daily stroke completions including stops from comparable operating logs.
- Required Remaining Good Parts: Committed good parts needed before the next die service.
How to use the result
- Best suited to die service Planning, remaining run commitment.
- This translates an entered stroke limit; it does not predict wear from material properties. Burrs, damage or dimensional drift can require service before the counted limit.
Current U.S. benchmarks
- The producer price index for plastic resins and materials stands at 280.569 (BLS, Aug 2026), up 6.6% from a year earlier. Quotes priced off last quarter's material cost miss this move.
- The U.S. has 14,378 furniture and related products establishments employing about 355,594 workers (Census County Business Patterns, 2023).
Common questions
- Does press downtime reduce the remaining stroke life? No. A stopped press consumes no strokes. Use actual daily completed strokes to account for downtime in the calendar estimate.
- Where does the service stroke limit come from? Use the approved limit for this die, stock and operation, supported by inspections and maintenance history. The calculator does not prescribe a universal die life.
- What happens after the limit is reached? Remaining output is zero and the calculator warns that service is due. Inspection requirements and your maintenance plan determine whether the die may continue operating.
- Can I promise every expected good part? No. Average yield produces an expected quantity, not a guarantee. Check late-interval quality and choose a commitment that accounts for variation.
Last reviewed 2026-10-06.