प्लाईवुड ज्ञान · तकनीक · विशेषज्ञताDial pressure chart and production capacity (NA and CBM per hour, 12 hours and per day) for a pre-press / cold press, from ram size, opening, pressing time and sheets per opening.
Pre-Press (Cold Press) Capacity Calculator
Formula
Dial pressure (kg/cm²) = Ply area (cm²) × Specific pressure (kg/cm²) ÷ Total ram area (cm²)
NA per sheet = Length (m) × Width (m) × Thickness (mm) ÷ 4; 1 CBM = 250 NA
Cycles per hour = 60 ÷ Pressing time (min); Production per hour = Sheets per opening × Cycles per hour; Efficiency = Running hours ÷ Total hoursTechnical notes
- Pressing time is the full cold-press cycle including loading and unloading.
- Capacity is shown per hour, per 12 hours, per day at 100% and per day at your actual running hours.
- Notional Area (NA) is plywood expressed as square meters of 4 mm thickness. If you use another base thickness, convert with the Plywood Conversion Formula Calculator.
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