Ceramic, Tile & Sanitaryware Manufacturing calculator

Slip Casting Cycle Time Calculator

Slip Casting Cycle Time helps sanitaryware supervisors and casting technicians check whether a group of toilet, basin, sink, or shower-tray molds can be cast and demolded within the available shift. It uses mold workload, casting rate, and allowance for filling, drain, demolding, trimming, and handling delays.

What this calculator does

  • Estimate total slip casting time for sanitaryware molds from casting workload, mold output rate, and handling allowance.
  • a sanitaryware casting team is scheduling molds and operators for a casting, drain, demold, or finishing window
  • The result estimates the total time needed to clear the selected slip casting workload.

Formula used

  • Base casting time = sanitaryware pieces or molds to cast ÷ casting completion rate
  • Required slip casting cycle time = base casting time × mold handling and demolding allowance factor

Inputs explained

  • Sanitaryware pieces or molds to cast: Count the toilets, basins, sinks, tanks, shower trays, or molds included in the casting workload.
  • Casting completion rate: Use the measured rate for filling, drain, demolding, and green handling under the same mold type and operator setup.
  • Mold handling and demolding allowance: Add allowance for slip feed setup, drain time variation, demolding, fettling handoff, cleaning, and minor waiting.

How to use the result

  • Use it when scheduling mold banks, operator coverage, demolding windows, dryer loading, or casting-room capacity.
  • It does not model slip rheology, wall thickness build rate, mold moisture condition, or product-specific drain time unless those effects are reflected in the rate and allowance.

Common questions

  • What should I use for casting completion rate? Use a recent observed rate for the same fixture family, mold condition, operator crew, and casting method, not a theoretical catalog rate.
  • Should drain and demolding time be included? Yes. Include them in the measured completion rate or in the handling allowance so the estimate matches the full cycle blocking the mold.
  • Can this be used for pressure casting? It can be used if the workload and rate are measured for the pressure casting cell, but the assumptions should not be mixed with traditional plaster casting rates.
  • When is a detailed schedule needed? Use a detailed schedule when mold availability, dryer space, casting bench layout, operator breaks, or fixture families create separate bottlenecks.

Last reviewed 2026-05-12.