Capacity Planning for Molded Pulp: Matching Cycles, Tooling, and Demand
In molded pulp, capacity is not abstract — each forming station runs one mold at a time, and the mold's cycle time sets the ceiling. A 30-second cycle on a single-cavity mold is 120 parts per hour, and every extra cavity multiplies that. Honest capacity planning multiplies stations by cavities by uptime, and compares the result to demand before promising lead times.
The Scenario: Capacity that hides in the cycle
Capacity planning faces three challenges:
Pain Points
- Overstating capacity by ignoring cycle time, cavities, and uptime creates missed deadlines;
- Tooling constraints — one mold per design — bottleneck mixed-product demand;
- Seasonal demand spikes overwhelm capacity planned for the average.
The Solution: Three capacity solutions
Three calculations make capacity honest:
1. Cycle-based math Plan capacity as stations × cavities × cycles per hour × uptime — nothing more.
2. Tooling bottleneck visibility Map which molds bottleneck which products, and schedule to the tooling, not the machine.
3. Demand-spike buffers Reserve capacity or multi-cavity tooling for seasonal peaks instead of planning to the average.
The Result: Promises the line can keep
Lead times are quoted from real cycle math, and demand spikes meet planned capacity.