Stokes Model 328

Quality Workmanship you can Trust

The model 328 is the leading heavy-duty, high-speed compacting press. It produces large quality compacts and tablets in various shapes from a variety of materials. The Stokes Model 328 has a reputation for dependable, long term operation with very low maintenance costs. The Model 328 is available with manual, semi-automatic or fully automated control systems.

features include:

  • Extremely durable press due to rugged design
  • Easy to operate and maintain
  • Replacement parts are economical and in stock
  • Sealed rollers bearings in all pressure rolls
  • Improved upper and lower die table dust collection
  • Improved upper punch lubrication system with timed delivery
  • Heavy duty upper enclosure without corner post provides better access for cleaning
  • Hopper and butterfly valve assembly are designed for clean operations
  • Digital tachometer provides accurate speed rate
  • Upgraded non-contact door interlocks
  • Enhanced lighting in both tool entry locations
  • Model 328 can be upgraded to 15 tons for high tonnage applications
  • Press is available manual (hand operation) or fully automatic based on the application
  • Optional control system, automatic punch lubrication, mechanical feeders, bi-layer tablet kit and core rod kit
Optional CS Control System is designed with all Allen Bradley components for an economical control system (which can be retrofitted to any make and model of tablet press) lets you:
  • Increase efficiency
  • Increase reliability
  • Increase performance
  • Increase safety
Uses neck-less punches that creates larger head flat that increases dwell time on hard to compress powders

Technical specifications

Number of tool sets4533
Type of tooling328328
Maximum tablet dia. (in)0.751.187
Turret speed range (rpm)18-5018-50
Output of tablet (per min)1600-45001200-3300
Fill depth - standard (in)0.68750.6875
Fill depth - maximum (in)1.3751.375
Max. compression force (tons)1010
Power (H.P.)7.57.5
Footprint (in.)52 x 4652 x 46
Overall height (in.)6767
Net weight (lbs)50005000


The CCS CS-2500 Level 5 Control System elevates tablet press operations to new heights. Designed for compatibility with various models, including those from Stokes, Fette, Korsch, and Hata, it offers a comprehensive solution for managing tablet presses. This advanced system not only includes standard press controls but also excels in generating detailed, customizable reports, covering production data, parameter changes, and alarms. Equipped with a development license of XLReporter, users can tailor reports to specific needs, ensuring precise tracking and analysis of production processes. Its use of off-the-shelf components and Allen Bradley technology makes it user-friendly and easy to maintain, while also complying with 21 CFR Part 11 standards for data collection and E-Signature.

The CCS CS-2000 Level 4 Control System is a versatile solution for managing Stokes tablet presses and other OEM models. It features standard programming that unlocks all functions of the presses, enhancing operational efficiency. The system is built with off-the-shelf Allen Bradley components, making it cost-effective and easy to maintain. With Allen Bradley ControlLogix PLCs and FactoryTalk View HMI interface, it offers complete control and precision. The system is compliant with 21 CFR Part 11, ensuring reliable data collection and electronic signatures. Its design prioritizes non-proprietary components for high reliability and easy part replacement, supported by advanced features like Advantech Industrial PC, Netbiter Remote VPN, and precision servo motors.

The CCS CS-500 Level 3 Control System is a robust solution for managing Stokes tablet presses and is adaptable to other brands. It simplifies operations with its Basic CS-500 programming, allowing users to monitor and control essential functions effectively. This system is not only user-friendly but also cost-effective, incorporating Allen Bradley components to reduce the total ownership cost. Its design features the latest technology, including Allen Bradley ControlLogix PLCs and a FactoryTalk View HMI interface, ensuring comprehensive control over the tablet press while maintaining ease of maintenance and part replacement.

The CCS CS-400 Level 2 Control System brings a new level of efficiency and ease to encapsulation equipment operations. It's tailored for Index Encapsulation Equipment but adaptable to machines from any vendor. With its Standard CS-400 programming, users gain comprehensive control over basic functions. The system's use of Allen Bradley components, including ControlLogix PLCs and Power Flex 525 Motor Drives, ensures reduced costs and maintenance ease. It also includes a FactoryTalk PanelView HMI interface for seamless operation, presenting a reliable, cost-effective solution for encapsulation machine management.

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