{"id":59398,"date":"2024-01-16T13:36:03","date_gmt":"1970-01-01T00:00:00","guid":{"rendered":"https:\/\/minipress.ru\/katalog\/?p=59398"},"modified":"2024-01-16T13:36:03","modified_gmt":"1970-01-01T00:00:00","slug":"pressing-stages-for-powdered-materials","status":"publish","type":"post","link":"https:\/\/minipress.ru\/pharmaceutical-equipment\/pharmaceutical-production-technologies\/pressing-stages-for-powdered-materials\/","title":{"rendered":"Pressing stages for powdered materials"},"content":{"rendered":"
[vc_row][vc_column][vc_column_text]<\/span>\n\nThe<\/span> whole<\/span> pressing<\/span> process<\/span> is<\/span> proposed<\/span> to<\/span> be<\/span> divided<\/span> into<\/span> three<\/span> stages:<\/span> compaction<\/span> (pre-pressing);<\/span> formation<\/span> of<\/span> a<\/span> compact<\/span> body;<\/span> volumetric<\/span> compression<\/span> of<\/span> the<\/span> resulting<\/span> compact<\/span> body.<\/span> At<\/span> the<\/span> first<\/span> stage<\/span> of<\/span> pressing,<\/span> under<\/span> the<\/span> influence<\/span> of<\/span> an<\/span> external<\/span> force,<\/span> the<\/span> material<\/span> particles<\/span> converge<\/span> and<\/span> seal<\/span> due<\/span> to<\/span> their<\/span> displacement<\/span> relative<\/span> to<\/span> each<\/span> other<\/span> and<\/span> filling<\/span> voids.<\/span> The<\/span> forces<\/span> overcome<\/span> in<\/span> this<\/span> case<\/span> are<\/span> insignificant,<\/span> the<\/span> seal<\/span> becomes<\/span> noticeable<\/span> even<\/span> at<\/span> low<\/span> pressures.<\/span> The<\/span> applied<\/span> energy<\/span> is<\/span> mainly<\/span> spent<\/span> on<\/span> overcoming<\/span> internal<\/span> (between<\/span> particles)<\/span> and<\/span> external<\/span> (between<\/span> particles<\/span> and<\/span> matrix<\/span> machines)<\/span> friction.<\/span>\n\n[\/vc_column_text][\/vc_column][\/vc_row]<\/span><\/span><\/pre>\n","protected":false},"excerpt":{"rendered":"
[vc_row][vc_column][vc_column_text] The whole pressing process is proposed to be divided into three stages: compaction (pre-pressing); formation of a compact body; volumetric compression of the resulting compact body. At the first stage of pressing, under the influence of an external force, the material particles converge and seal due to their displacement relative to each other and…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"gallery","meta":{"inline_featured_image":false,"two_page_speed":[]},"categories":[2226,2175],"tags":[2380,2381,2372,2376,2373,2378,2374,2227,43,2377,2370,2379,39,245,95,2230,119,96,2229,2375,91,2371,212,2228,89],"rttpg_featured_image_url":null,"rttpg_author":{"display_name":".. Author Roman Tsibulsky","author_link":"https:\/\/minipress.ru\/pharmaceutical-equipment\/author\/admin\/"},"rttpg_comment":0,"rttpg_category":"BASICS OF PRESSING POWDER INTO TABLETS<\/a> PHARMACEUTICAL PRODUCTION TECHNOLOGIES<\/a>","rttpg_excerpt":"[vc_row][vc_column][vc_column_text] The whole pressing process is proposed to be divided into three stages: compaction (pre-pressing); formation of a compact body; volumetric compression of the resulting compact body. At the first stage of pressing, under the influence of an external force, the material particles converge and seal due to their displacement relative to each other and...","_links":{"self":[{"href":"https:\/\/minipress.ru\/pharmaceutical-equipment\/wp-json\/wp\/v2\/posts\/59398"}],"collection":[{"href":"https:\/\/minipress.ru\/pharmaceutical-equipment\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/minipress.ru\/pharmaceutical-equipment\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/minipress.ru\/pharmaceutical-equipment\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/minipress.ru\/pharmaceutical-equipment\/wp-json\/wp\/v2\/comments?post=59398"}],"version-history":[{"count":0,"href":"https:\/\/minipress.ru\/pharmaceutical-equipment\/wp-json\/wp\/v2\/posts\/59398\/revisions"}],"wp:attachment":[{"href":"https:\/\/minipress.ru\/pharmaceutical-equipment\/wp-json\/wp\/v2\/media?parent=59398"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/minipress.ru\/pharmaceutical-equipment\/wp-json\/wp\/v2\/categories?post=59398"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/minipress.ru\/pharmaceutical-equipment\/wp-json\/wp\/v2\/tags?post=59398"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}