FIELD: metallurgy.
SUBSTANCE: invention concerns devices for powders pressing. Device contains form with vertical reach-through hole, appropriate for forming of side surface of shaped part, bottom plug for installation at the bottom to the reach-through hole, top plug for installation from top to the reach-through hole and feature for lubricating fluid coating into the reach-through hole before tempering into is of initial powder from top at installed in the reach-through hole in bottom plug, provided for moulding of shaped part after introduction of top plug into the reach-through hole. In the capacity of lubricating fluid it is used dispersion, received by disintegration of lubricant in water, or solution, received by dissolution of lubricant in water. According to the first version surface of reach-through hole is implemented so that it has contact angle with mentioned lubricating fluid less then contact angle with material of form surface. According to the second version of device top surface of form is implemented so that it has contact angle with mentioned lubricating fluid higher then contact angle with material of form surface.
EFFECT: it is provided stabile receiving of moulding with high density and it is removed deleterious effect of lubricant on top surface of form.
9 cl, 4 tbl, 8 dwg
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Authors
Dates
2009-03-20—Published
2004-03-26—Filed