Advanced Technical Ceramics calculator
Technical Ceramic Capacity Gap Calculator
Technical Ceramic Capacity Gap converts theoretical press and kiln capacity into the number of good, sellable parts you can actually ship after downtime and sinter-route yield take their cut. Production planners and operations managers at ceramics plants rely on it because firing capacity is the bottleneck and it lies: a kiln rated for thousands of parts per campaign delivers far fewer once uptime and post-fire yield are applied. Seeing gross capacity next to usable capacity — and the specific losses to downtime versus scrap — tells you whether to chase availability, yield, or simply add cycles. It's the difference between a promise you can keep and an over-commitment.
What this calculator does
- Estimate usable ceramic production capacity from parts per kiln or press cycle, available cycles, uptime, and process yield.
- a capacity planner needs to check whether the ceramic line can support a forecast or customer order quantity
- It computes usable good-part capacity as parts-per-cycle times available cycles, derated by equipment uptime and route yield, and splits the loss into downtime and scrap.
Formula used
- Gross ceramic cycle capacity = parts per cycle × available cycles
- Usable ceramic capacity = gross capacity × equipment uptime × route yield
Inputs explained
- Good parts per press or kiln cycle:
- Available press or kiln cycles:
- Press/kiln equipment uptime:
- Sinter route first-pass yield:
How to use the result
- Use it for capacity planning, load-versus-demand checks, and deciding whether to invest in uptime or yield improvement before adding kilns.
- It uses single blended uptime and yield figures; mixed part families with different firing schedules and yields need separate runs or weighted inputs to stay accurate.
Current U.S. benchmarks
- Steel mill PPI stands at 348.53 (BLS, May 2026), up 6.7% from a year earlier. New factory orders are up 2.3% year over year (Census).
Common questions
- How do you calculate usable ceramic capacity? Multiply parts per cycle by available cycles for gross capacity, then multiply by uptime and yield. Here 420 x 18 = 7,560 gross, x 86% x 91% = 5,916 usable good parts.
- How much capacity is lost to downtime versus scrap here? Downtime removes about 1,058 parts and yield/scrap removes about 585 parts from the 7,560 gross, leaving 5,916 usable — downtime is the bigger leak in this case.
- What is a good kiln uptime for technical ceramics? Well-run continuous and batch kilns target 85-92% uptime; the 86% default is realistic but shows downtime is still the dominant loss, so it's the first lever to pull.
- Why include yield separately from uptime? Because they fail differently — uptime is lost cycles, yield is parts cracked, warped or out-of-tolerance after firing. Splitting them tells you whether to fix the kiln schedule or the process.
- Capacity gap vs OEE, what's the difference? OEE rolls availability, performance and quality into one percentage; this tool keeps them as part counts so planners can commit real good-part numbers to a schedule.
Last reviewed 2026-05-12.