Foundry & Forging calculator
Shot Blast Capacity Calculator
Estimate good shot-blast or cleaning-machine capacity for castings and forgings. Use it when blast cleaning, tumble blast, hanger blast, wheel blast, or air blast capacity must match shakeout, heat treat, or shipment demand.
What this calculator does
- Estimate good shot-blast or cleaning-machine capacity for castings and forgings.
- Use it when blast cleaning, tumble blast, hanger blast, wheel blast, or air blast capacity must match shakeout, heat treat, or shipment demand.
- Plans cleaning-machine output.
Formula used
- Gross shot blast capacity = parts per blast cycle × available blast cycles
- Good shot blast capacity = gross capacity × shot-blast machine availability × accepted blasted-part yield
Inputs explained
- Parts per blast cycle: Enter castings, forgings, baskets, hangers, or loads completed per blast cycle.
- Available blast cycles: Use planned cycles for the shift or lot based on cycle time, loading, and unload capacity.
- Shot-blast machine availability: Use availability after media changes, dust collector stops, loading delays, and maintenance downtime.
- Accepted blasted-part yield: Use accepted output after missed areas, damage, reblast, or inspection holds.
How to use the result
- Use for finishing-room capacity planning.
- This calculator is an estimating tool. Results can change with alloy chemistry, furnace practice, ladle losses, mold design, gating and riser layout, core condition, pattern allowance, die temperature, press condition, inspection criteria, rework rules, energy rates, labor standards, and actual shop performance. Validate safety-critical, metallurgical, tooling, press-capacity, and customer-spec decisions with qualified engineering, metallurgy, OEM data, and the applicable control plan.
Common questions
- What information do I need before using the Shot Blast Capacity? Use parts per cycle, available cycles, machine availability, and accepted yield.
- What does the result mean? It estimates gross and good shot-blast capacity.
- When is the result only an estimate? This calculator is an estimating tool. Results can change with alloy chemistry, furnace practice, ladle losses, mold design, gating and riser layout, core condition, pattern allowance, die temperature, press condition, inspection criteria, rework rules, energy rates, labor standards, and actual shop performance. Validate safety-critical, metallurgical, tooling, press-capacity, and customer-spec decisions with qualified engineering, metallurgy, OEM data, and the applicable control plan.
- What decision can I make from the result? Use it to schedule cleaning, identify bottlenecks, or justify blast equipment and labor.
Last reviewed 2026-05-12.