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Film Coating Machine
The Film Coating Machine is specifically designed to apply a thin, uniform coating layer on tablets or pellets to protect the product. In pharmaceutical and nutraceutical production, where coating directly affects product quality, this machine is the ideal choice.
Batch capacity for this machine ranges from 10 kg to 400 kg, depending on the model, making it suitable for both small-scale and large-scale production. As for the drum diameters, they vary from 580 mm to 1580 mm, based on machine type.
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Key Features
Technical Data
Machine Details
FAQ
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- Uniform Film Coating Quality: Rotating drum ensures even distribution of coating solution across all tablets and pellets. This improves appearance and reduces coating variation.
- Flexible Production Scaling: Multiple models (BG-10 to BG-400) allow gradual expansion of production capacity. It supports growing operations without major process changes.
- Operator-Friendly Operation: Simple controls and predictable process behavior make it easier to manage daily production. Less manual adjustment is needed once parameters are set.
- Compact to Industrial Footprint: Smaller models fit easily into limited production areas, while large models support high-volume operations. This flexibility helps in facility planning.
- Consistent Results Every Time: Once parameters are set, the machine delivers repeatable coating quality. It reduces variation between batches.
| Item | Technical Parameter | Details |
| Model: | BG-50 / BG-150 / BG-300 / BG-500 / BG-800 | Lab to large production models |
| Drum Volume: | 50L / 150L / 300L / 500L / 800L | Standard perforated coating pan |
| Working Capacity: | 8–15kg / 20–50kg / 50–100kg / 100–200kg / 200–400kg per batch | According to product size & bulk density |
| Drum Material: | 316L stainless steel | Mirror polished, GMP standard, no dead angle |
| Drum Speed: | 2–20 rpm | Frequency conversion speed regulation, stepless adjustable |
| Inlet Air Temperature: | Room temperature – 85°C | Digital display, automatic PID control ±1°C |
| Exhaust Air Temperature: | 20–70°C | Real-time monitoring & linkage control |
| Air Supply System: | Primary & medium efficiency + HEPA filter | Air cleanliness class 100,000 |
| Spray System: | Peristaltic pump + spray guns | 2/4/6/8 sets of guns, auto-cleaning available |
| Atomization Pressure: | 0.2–0.6 MPa | Adjustable, uniform atomization |
| Liquid Supply Volume: | 0–500 ml/min | Stepless adjustable |
| Control System: | PLC + touch screen HMI | One-key operation, parameter storage |
| Power Supply: | 380V 50Hz three-phase | Customizable for different countries |
| Total Power: | 6kW / 12kW / 18kW / 24kW / 30kW | Depending on model |
| Compressed Air: | 0.4–0.8 MPa, 0.3–1.0 m³/min | Required for spray & cleaning |
| Dimension (L×W×H): | 1500×1200×2000mm to 2800×2200×3200mm | Customizable |
| Weight: | 500kg – 2200kg | According to machine size |
| Application: | Tablet, capsule, pellet, pill coating | Film coating, enteric coating, color coating, sustained-release coating |
| Optional Configurations: | Explosion-proof design, solvent recovery system, dehumidification unit, CIP cleaning system | For organic solvent coating & high-standard GMP |
Coated Spray Gun
Control Panel
Electrical Box
Tablet Coated Pan
What are the main types of film coating machines?
What are the main types of film coating machines?
- Perforated Pan Coater: Most common; hot air passes through pan holes for efficient drying, good uniformity.
- Conventional Pan Coater: Simple, low-cost; less drying control.
- Fluid Bed Coater: For pellets/granules; suspends particles in air stream; high uniformity.
- Automatic/PLC Controlled: Precise control of speed, spray, temperature.
What is the typical coating weight gain?
What is the typical coating weight gain?
- Film Coating: ~2–3% of tablet weight.
- Sugar Coating: 20–50% (much thicker).
How long does one batch take?
How long does one batch take?
2–4 hours (depends on batch size, weight gain, temperature, spray rate, and drying efficiency).
Why is coating rough/peeling/picking?
Why is coating rough/peeling/picking?
- Over-drying: Droplets dry mid-air.
- Low atomization pressure: Large droplets.
- Insufficient binder in coating.
- Tablet friability too high.
- Fix: Increase spray rate slightly; improve atomization; strengthen formulation.
What are key process parameters?
What are key process parameters?
- Pan speed: 8–15 RPM (depends on size).
- Inlet temp: 45–70°C (product-dependent).
- Exhaust temp: 35–50°C.
- Spray rate: 50–500 g/min (scale-dependent).
- Atomization pressure: 1.5–3 bar.
- Bed load: 60–80% pan volume.
Sugar Coated Tablets Examples
Film Coated Tablet Example
Enteric Coated Tablets
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