Meaning
Injection molding or casting dies produce several identical parts during a single machine cycle. Multi cavity tooling utilizes a system of runners and gates to distribute the material melt into each separate mold space simultaneously. This configuration increases the total output of the manufacturing line without adding more machines or labor.
Throughput Gain
Production speed is multiplied by the number of cavities present in the mold. Multi cavity tooling allows for a large increase in throughput during the mass production phase of a project.
Pressure Balance
Engineering the flow paths requires precise calculations to ensure that each mold segment fills at the same rate and temperature. If multi cavity tooling is not perfectly balanced, variations in part weight or dimensional accuracy occur across the different cavities. This imbalance leads to a high scrap rate as some parts meet specifications while others fail.
Maintenance Burden
Wear and tear on complex molds necessitate a rigorous cleaning and inspection schedule to prevent flash or short shots. Because multi cavity tooling involves intricate cooling channels and multiple moving parts, the cost of repair is higher than for single cavity alternatives. Technicians must monitor the performance of every individual cavity to maintain consistent quality across the entire batch.