loss-in-weight feeder Archives

Screw Feeder Dosing Accuracy and Powder Compressibility: Why the Same Screw Behaves Differently on Similar Products
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Screw Feeder Dosing Accuracy and Powder Compressibility: Why the Same Screw Behaves Differently on Similar Products

Bulk Solids Characterization, Flowability, Hoppers, Insights, Mixing technology

Screw Feeder Dosing Accuracy and Powder Compressibility: Why the Same Screw Behaves Differently on Similar Products

The same screw feeder at the same speed can deliver consistently on one powder and drift by several percent on another. The difference lies in compressibility, wall friction, and cohesion, and in how bulk density shifts as the hopper empties.

By Martijn Daalder|2026-07-04T11:38:23+01:004 July 2026|Categories: Bulk Solids Characterization, Flowability, Hoppers, Insights, Mixing technology|Tags: bulk density drift, Carr's Index, Compressibility Index, dosing accuracy, feeder selection, fill factor, flow function, Hausner Ratio, loss-in-weight feeder, powder compressibility, screw feeder, wall friction|0 Comments

Calcium Carbonate Powder in Polypropylene: Dust Suppression and Dosing Errors

Dust suppression oil can reduce airborne calcium carbonate [...]

Powder Deaeration: Flushing, Surging, and Air Retention
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Powder Deaeration: Flushing, Surging, and Air Retention

Bulk Solids Characterization, Conveying, Flowability, Know How, Permeability

Powder Deaeration: Flushing, Surging, and Air Retention

Powder instability after conveying, filling, or transfer [...]

Powder Permeability, The Hidden Cause of Dosing Instability
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Powder Permeability, The Hidden Cause of Dosing Instability

Bulk Solids Characterization, Flowability, Insights, Permeability

Powder Permeability, The Hidden Cause of Dosing Instability

Powder permeability dosing instability often starts with trapped [...]

By Stephane Sloots|2026-04-18T10:24:26+01:0027 December 2025|Categories: Bulk Solids Characterization, Flowability, Insights, Permeability|Tags: deaeration, feeder surging, hopper venting, loss-in-weight feeder, packing density, permeability, powder flooding, powder permeability dosing instability, Powder troubleshooting, pressure drop, refill behavior, trapped air|0 Comments

Selecting the Right Feeder for your Powder Type

Selecting the right powder feeder prevents flow issues [...]

By Stephane Sloots|2025-07-09T11:10:27+01:001 June 2025|Categories: Bulk Solids Characterization, Conveying, Flowability, Hoppers, Know How, Mixing technology, powders, Wear|Tags: feeder selection matrix, gravimetric feeder, loss-in-weight feeder, powder feeder selection, powder handling accuracy, volumetric feeder|0 Comments

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