Editorial Technical Reference

Automated Pharmaceutical Tablet Coating System

This page explains how Automated Pharmaceutical Tablet Coating System is classified within Pharmaceutical and Medicinal Chemical Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.

Technical Definition & Core Assembly

Automated system for applying uniform functional coatings to pharmaceutical tablets.

Representative product image. Confirm appearance and specifications with the manufacturer.

Product Specifications

Technical details and manufacturing context for Automated Pharmaceutical Tablet Coating System

Definition
This integrated pharmaceutical manufacturing system is designed for the precise, automated application of functional coatings to tablets. It combines a coating pan, spray system, drying mechanism, and process controls to ensure uniform coating thickness and quality. The system is used to apply enteric, sustained-release, or protective coatings to solid oral dosage forms. It features automated parameter control, recipe management, and cleaning-in-place capabilities for GMP compliance.

Typical configurations include a batch capacity of 100–500 kg, a pan diameter of 1000–2000 mm, and 4–12 spray nozzles. Process air flow ranges from 2000–8000 m³/h, with inlet air temperature adjustable between 20–80 °C and relative humidity in the coating chamber maintained at 30–70 %RH. The spray rate is adjustable from 0.5–2.0 L/min to accommodate different coating formulations. Coating uniformity is specified as ±2% variation in coating weight. The system operates at a pressure of 1.0–1.6 MPa and uses a PLC+HMI control system. Electrical power consumption is 15–45 kW at 380 V AC (three-phase, 50/60 Hz, per IEC 60038). The enclosure offers IP54–IP65 protection (per IEC 60529). Contact parts are made of stainless steel 316L (per ASTM A240), with food-grade silicone seals, polycarbonate viewing windows, and PTFE spray nozzles.

These values are reference ranges for directory purposes; actual specifications must be confirmed with the legal manufacturer for the specific model and application. Standards listed are procurement references and do not imply certification or compliance of any particular product. Verify all parameters and standards with the supplier before purchase.
Working Principle
Tablets are loaded into a rotating pan. The pan tumbles the tablets to ensure even exposure. Coating solution is atomized by spray nozzles and sprayed onto the tablet bed. Simultaneously, heated air is supplied through the pan to dry the coating as it is applied. The process continues until the desired coating weight is achieved. Automated controls regulate spray rate, air flow, temperature, and humidity to maintain uniformity. After coating, the system can be cleaned in place to prepare for the next batch.
Common Materials
stainless steel 316L, food-grade silicone seals, polycarbonate viewing windows, PTFE spray nozzles
Technical Parameters
ParameterTypical rangeNotes & selection driver
Batch CapacityRequired100–500 kgMaximum tablet weight per batch cycle
Pan DiameterRequired1000–2000 mmInternal diameter of the coating pan
Spray Nozzle CountRequired4–12 pcsNumber of atomizing spray nozzles
Air Flow RateRequired2000–8000 m³/hVolume of process air supplied
Control System TypeRequiredPLC+HMIType of automation controller (e.g., PLC, HMI)
Temperature Range20–80 °CInlet air temperature for coating process
Humidity Range30–70 %RHRelative humidity in coating chamber
Coating Uniformity±2 %Variation in coating weight
Spray Rate0.5–2.0 L/minAdjustable for different coating formulations
Electrical Power15–45 kWTotal power consumption
Voltage380 V ACThree-phase, 50/60 HzIEC 60038
Ingress ProtectionIP54–IP65Dust and water resistanceIEC 60529
Material GradeSS316LContact parts for corrosion resistanceASTM A240

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Automated Pharmaceutical Tablet Coating System.

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: 0.5-2.0 bar (spray system), -10 to -50 Pa (drum vacuum)
flow rate: 50-500 mL/min (coating suspension)
temperature: 20-80°C (coating chamber), 40-120°C (drying air)
coating thickness: 10-100 microns
tablet throughput: 50-500 kg/batch
slurry concentration: 5-25% solids by weight
Media Compatibility
✓ Aqueous polymer solutions (HPMC, PVA) ✓ Organic solvent-based coatings (EC, shellac) ✓ Enteric coating suspensions (Eudragit, cellulose acetate phthalate)
Unsuitable: Highly abrasive particulate slurries (e.g., titanium dioxide >40% solids)
Sizing Data Required
  • Batch size (kg) and tablet dimensions (mm)
  • Required coating thickness (microns) and uniformity (% RSD)
  • Production rate (batches/day) and changeover frequency

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Spray nozzle clogging
Cause: Coating solution drying in nozzles due to improper shutdown procedures, inadequate cleaning cycles, or particle contamination in the coating solution
Pan bearing failure
Cause: Excessive loading from tablet mass, inadequate lubrication due to high temperatures and coating solution ingress, or misalignment from improper installation
Maintenance Indicators
  • Uneven coating patterns or visible streaks on tablets indicating inconsistent spray application
  • Unusual grinding or screeching noises from the coating pan drive mechanism suggesting bearing or gear issues
Engineering Tips
  • Implement automated nozzle purge cycles after each batch and validate cleaning procedures with residue testing
  • Establish vibration monitoring on pan bearings and drive components with trend analysis to detect early degradation before catastrophic failure

Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.

Compliance & Manufacturing Standards

Applicable Standards
ISO 14644-1:2015 Cleanrooms and associated controlled environments ANSI/ASME BPE-2019 Bioprocessing Equipment CE Marking for Machinery Directive 2006/42/EC

Quoted from the published standard.

Manufacturing Precision
  • Coating thickness uniformity: +/- 2% of target thickness
  • Tablet weight variation: +/- 1.5% of nominal weight
Quality Inspection
  • In-process coating thickness measurement via laser triangulation
  • Dissolution testing per USP <711> for coated tablets

Manufacturers of Automated Pharmaceutical Tablet Coating System

1 company lists this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.

Hangzhou Shengde Machinery Co., Ltd.
Zhejiang, CN
Listed on the company's own website · profile compiled by CNFX from public sources

Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

Technical documentation
Request current drawings, revision history, and a signed specification sheet.
Manufacturing capability
Verify equipment lists, process limits, capacity, and representative production evidence.
Inspection readiness
Confirm test methods, calibrated equipment, sampling plans, and traceable reports.
Supplier transparency
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Frequently Asked Questions

What is the typical batch capacity of this tablet coating system?

The reference batch capacity range is 100–500 kg per cycle. However, the exact capacity depends on the specific model and tablet formulation. Always confirm with the manufacturer for your application.

What materials are used for contact parts?

Contact parts are typically made of stainless steel 316L (per ASTM A240) for corrosion resistance. Seals are food-grade silicone, viewing windows are polycarbonate, and spray nozzles are PTFE. Verify material grades with the supplier.

What control system does this system use?

The system uses a PLC+HMI control system for automated parameter control and recipe management. This allows precise regulation of spray rate, air flow, temperature, and humidity. Confirm the specific controller model with the manufacturer.

What standards are referenced for operating pressure and electrical safety?

The operating pressure range is 1.0–1.6 MPa. Electrical voltage is 380 V AC (three-phase, 50/60 Hz) per IEC 60038. Ingress protection is IP54–IP65 per IEC 60529. These are procurement references; actual compliance must be verified with the manufacturer.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification
This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.
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