A screen is going to be used to separate the particles for c

A screen is going to be used to separate the particles for classification. If the mesh count of the screen is 275 and the thickness of the wire in the screen is 0 0016\'. what is the largest size particle that win fall through the screen? 2 A metallic powder needs to have a mixed particle size range between 0.0018\' and 0.0015\". If the thickness of the wire is 0 0008\'. what would the mesh count on the screens need to be to provide the proper sizes for the mix? Component parts are being pressed to a packing density of 2 592 If the true density of the material is 3.015 what would the porosity and packing factor be? A powder metal pressing operation is producing components where the bulk specific volume is ranging between 1 1834 to 1.1847 What would the range of the porosity be? A rectangular powder metal component has the following dimensions. L =1, 526 W = 0.749\'. H= 0.382 The weight of the powder metal components is 0.1206lbs and the density of the material used to fabricate them is 0 312 What would the porosity and packing factors be of the components? I powder metal component requires a porosity between 15% lo 19%. If weight of a solid component of the same configuration is 3.748 lbs. what would the weight range of the powder metal part need to be to accomplish the desired porosity? A rectangular powder metal part is pressed to the following dimensions: Length =1.7410\". Width = 1.2840\', Height = 0.5180\". After sintering, the dimensions of the same part are: Length = 1.7276\". Width = 1.2692\". Height = 0.5149\". What would the percentage of binder need to be for this to happen?

Solution

Largest particle size = 1/mesh count - wire thickness

= 1/275-0.0016

= 0.00203636 inch answer

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