Particle Size Analyzers

8.2 Frequently asked questions

Preliminary estimation of powder bed porosity

Preliminary estimation of powder bed porosity

Preliminary estimation of powder bed porosity

 

in order to do the test easier, determine the porosity of new powder from high to low porosity, starting from the touching of the pinion end on the powders, in order to quick find the max powder porosity, use a coordinate to measure the size L and find it in the following table.

hmk-22-fisher-sub-sieve-sizer-frequently-asked-questions-1

hmk-22-fisher-sub-sieve-sizer-frequently-asked-questions-1

L 61.8 69.8 74.8 78.8 81.8 83.8 85.3 86.8 87.8
H 39.5 31.5 26.5 22.5 19.5 17.5 16.0 14.5 13.5
Porosity 0.80 0.75 0.70 0.65 0.60 0.55 0.50 0.45 0.40

 

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