Temp. Controlled by:

Fully Perforated 15" Pan

Inputs for Calculations:

Tablet Weight (mg)

Tablet Surface Area (mm²)

Tablet Shape

Bulk Density (g/mL)

Number of Guns

Dew Point (°C)

Nozzle Size (mm)

Type of Coating:

Calculations:

Pan Fill (%)

Coating Time (min)

Spray Per Gun (g/min)

Pan Speed (ft/min)

Spray Amount (kg)

Tablets per Batch (approx.)

Coating per Tablet (mg)

Coating per Tablet (mg/mm²)

EEF 3.02 · inlet air 64.4 °C · bed 45.4 °C · wet bulb 27.6 °C

Suspension Preparation Example

Spray solids	15%
Suspension to spray	500 g
Overage	15%
Total to prepare	575 g (≈ 546 mL at 1.05 g/mL)
Solids (coating powder)	86 g
Water	489 g

Coating system and viscosity

Coating system	Opadry® II (PVA-based) pigmented
Estimated viscosity	≈ 75 cP

Equipment

Vessel: 1000 mL beaker (about 55% full)
Mixer: propeller or hydrofoil impeller, 1.2–1.7 in (30–44 mm) diameter

Procedure

Add 489 g of water to the vessel.
Adjust the height of the impeller to be just above the bottom of the vessel and align to the center. Turn on the impeller and adjust the speed to form a vortex almost all the way down to the impeller.
Add the 86 g of powder as fast and as uniformly as possible without collapsing the vortex.
Once all the powder has been added and dispersed, reduce the impeller speed to maintain a slight vortex at the surface.
If air entrapment is a concern because of the suspension’s viscosity, move the impeller slightly off center to reduce the introduction of additional air.

This is an example for 500 g of an aesthetic coating suspension at 15% solids. Log in to get the suspension preparation for your own settings.

Spray Gun Setup Example

Recommended starting points for a 48" pan with 4 guns spraying 100 g/min per gun, aesthetic coating.

Spray gun	Spraying Systems
Atomizing air (psi)	32–40 psi
Pattern air (psi)	27–36 psi
Gun-to-bed distance	9–10.5 in (22.9–26.7 cm)
Gun-to-gun spacing	5–6 in (12.7–15.2 cm)

Setting up

Aim each gun perpendicular to the bed surface, at the upper third of the moving bed.
Spacing is usually set by the spray bar (about 5 in is typical); adjust pattern air and gun-to-bed distance so the spray fans just meet at the bed without overlapping, and keep the end guns inside the bed edges.
Too little atomizing air or guns too close: overwetting (sticking, picking, twinning).
Too much atomizing air or guns too far: spray drying (rough or dull surface) and lower coating efficiency.
Check the spray pattern with water before coating, and again if the spray rate changes.

Manage Pans

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Up to 50 individual pans per user can be added and customized, either by manual entry or with specifications generated for your specific pan’s make, model, pan size, and year.

Each pan sets

Name, perforation and size
Working volume, pan diameter and number of guns
Slider ranges and green / yellow / red limits for airflow, spray rate, exhaust and inlet air temperature, and pan speed
Coating time limits
Whether it shows in the calculator

Example pan

Pan	Fully Perforated 48" Pan
Working volume	197 L
Pan diameter	1.22 m
Number of guns	4
Airflow (green)	1,600–1,900 cfm
Spray rate (green)	325–410 g/min
Exhaust temperature (green)	42–47 °C
Pan speed (green)	5–8 rpm

Fully Perforated 15" Pan

Inputs for Calculations:

Calculations:

Risks:

Suspension Preparation Example

Coating system and viscosity

Equipment

Procedure

Spray Gun Setup Example

Setting up

Tablet Details Example

From the drawing (check and edit if needed)

You measure

Results

Scale-Up

What you get

What’s behind it

Manage Pans

Each pan sets

Example pan

Report