CCS LLC Stokes Model 521 (F-4)


Stokes Model 521 (F-4)

The Stokes Model 521 (F-4) is a 4-ton single station, dual motion compacting press. Pressure is exerted from above by means of an eccentric motion and from below by means of a cam. Pressure is applied in both directions simultaneously for a uniform density gradient throughout the piece. It is ideally suited for producing compacts for many different applications.
Stokes Model 521 (F-4)
Throughput 55 samples/min
Tablet Depth 1.25 in
Additional Specifications Max. Operating Speed (compacts/min.): 25 – 55     
Max. Diameter of Piece (in.): 1 ¼     
Fill Depth – Range (in.): 1 ¼     
Max Pressure About and Below (tons): 4     
Die Diameter (in.): 2     
Stationary Core Rod Supporting Pressure (tons): 1 ton     
Upper Punch Max. Die Entrance (in.): 9/16     
Die Table Supporting Pressure (tons): 3     
Power Required (hp): 1


  • All movements of the press are mechanical resulting in repeatibility, low maintenance and maximum output.     
  • Precisions alignment of the upper punch is maintained by mounting the crosshead in heavy-duty adjustable V-Gibs.     
  • Hardened wear parts are used at critical areas for longer life     
  • Press is built to resist abrasive materials     
  • Simple set up     
  • Press can be operated manually and with jog provisions     
  • Machine is furnished with pneumatic clutch & brake     
  • Stationary core rod provides additional versatility for producing hollow parts as well as parts with blind holes or counter bores (optional).     
  • Centralized lubrication delivers a supply of lubricant to all wearing surfaces throughout long periods of use.     
  • Combination magnetic starter with fused disconnect is furnished     
  • Machine is filled by gravity hopper
  • Photos

    Stokes Model 521 (F-4)

    Stokes Model 521 (F-4)

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