ShearScan - Measurement of Powder Flowability under Load

ShearScan

ShearScan with large rotational cell
and filling aid

ShearScan Flyer
The ShearScan automatically measures the flow characteristics of powders and granular materials under defined load and determines all parameters according to the well established Mohr-Coulomb model.

With these results powders in development an quality controll can be compared or powder flow e.g. in silos and other situations of powder under load can be predicted.

Small and large ring shear cells can be used in the same instrument without any hardware change. For measurement the cell is filled with powder, eased by use of the filling aid, the cell is placed in the ShearScan, the cell lid is put on and the measurement started.

Automatic sample consolidation ensures materials are properly prepared at critical consolidation without manual influence. Total analysis time is 5 to 10 minutes. Windows software provides documentation, data viewing, and result storage.

ShearScan can measure a wide range of important flow parameters.

The Benefits of Powder Flow Measurement:

  • Maintain flow out of hoppers, bins and storage containers
  • Predict caking, bridging & non.uniform flow during manufacturing process.
  • Evaluate ingredient suppliers for the choice of suppliers and quality components
  • Improve Quality & consistency by measuring the components of a products formulation
  • Reduce costs & increase production speed of powder processing, blending & tableting


Technical Data:

  • Instrument size: 40 x 20 x 57 cm
  • Sample size: 30 ccm or 180 ccm
  • Stress Range: 0 bis 100 KPa programmable
  • Analysis Time: 5 to 10 minutes
  • Shear Speed: 0.1 bis 3mm/min programmable
  • Consolidation: Automatic control of critical conditions
  • Analysis Methods:
    Yield Locus Analysis
    Traditional Ring Shear Analysis
    Wall Friction Analysis
    Compressibility Analysis
    Time & Attrition
  • Results:
    Cohesion
    Angle of Internal Friction
    Unconfined Yield Strength
    Flow Funtion
    Absolute and Relative Flow Index
    Density, Initial & Under Load
    Compression Index
    Volume Reduction Factor
    Percentage Compression

     

     

     

 

 


software
Graphs from ShearScan software

     

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