{"id":7946,"date":"2023-02-03T15:29:23","date_gmt":"2023-02-03T13:29:23","guid":{"rendered":"https:\/\/blog.federnshop.com\/pruzinove-materialy-s-vysokou-unavovou-pevnosti\/"},"modified":"2023-03-22T17:40:30","modified_gmt":"2023-03-22T15:40:30","slug":"pruzinove-materialy-s-vysokou-unavovou-pevnosti","status":"publish","type":"post","link":"https:\/\/blog.federnshop.com\/cs\/pruzinove-materialy-s-vysokou-unavovou-pevnosti\/","title":{"rendered":"Pru\u017einov\u00e9 materi\u00e1ly s vysokou \u00fanavovou pevnost\u00ed"},"content":{"rendered":"

A\u0165 u\u017e pru\u017einov\u00fd ocelov\u00fd, bronzov\u00fd nebo mosazn\u00fd dr\u00e1t – ka\u017ed\u00fd Materi\u00e1l pru\u017einy<\/a> m\u00e1 specifickou s\u00edlu. To ur\u010duje stupe\u0148 mechanick\u00e9 odolnosti, nap\u0159\u00edklad v p\u0159\u00edpad\u011b plastick\u00e9 deformace nebo odd\u011blen\u00ed. Charakteristick\u00e9 hodnoty pro pevnost mohou s a Diagram nap\u011bt\u00ed-nap\u011bt\u00ed<\/a> b\u00fdt odhodlan\u00fd.<\/p>\n

N\u00e1sleduj\u00edc\u00ed faktory mohou ovlivnit S\u00edla materi\u00e1lu<\/a> vliv:
\n\u2022 Typ a stav pru\u017einov\u00e9ho materi\u00e1lu
\n\u2022 Teplota b\u011bhem zpracov\u00e1n\u00ed
\n\u2022 Rychlost na\u010d\u00edt\u00e1n\u00ed
\n\u2022 \u00darove\u0148 stresu<\/p>\n

Zejm\u00e9na zat\u00ed\u017een\u00ed, kter\u00e9mu je pru\u017eina vystavena, m\u00e1 p\u0159\u00edm\u00fd vliv na jej\u00ed pevnost. Lze tedy rozli\u0161ovat mezi typy sil v p\u0159\u00edm\u00e9 z\u00e1vislosti na Stres<\/a> .<\/p>\n

\u010casov\u00e1 diferenciace:<\/span>
\n\u2022 V statick\u00e1 pevnost<\/strong> z\u00e1t\u011b\u017e sp\u00ed.
\n\u2022 V dynamick\u00e1 s\u00edla<\/strong> , taky \u00danavov\u00e1 s\u00edla<\/strong><\/a> zavolal, zat\u00ed\u017een\u00ed se zm\u011bn\u00ed. Tato pevnost popisuje deforma\u010dn\u00ed a poruchov\u00e9 chov\u00e1n\u00ed oscila\u010dn\u00edho (dynamicky) zat\u00ed\u017een\u00e9ho materi\u00e1lu pro ur\u010dit\u00fd po\u010det cykl\u016f. To se prov\u00e1d\u00ed pomoc\u00ed W\u00f6hler\u016fv experiment<\/a> vypo\u010dteno.<\/p>\n

Diferenciace podle typu nebo sm\u011bru expozice:<\/span>
\n\u2022 Pevnost v tahu: Znamen\u00e1 nejvy\u0161\u0161\u00ed mechanick\u00e9 nam\u00e1h\u00e1n\u00ed materi\u00e1lu b\u011bhem zkou\u0161ky tahem.
\n\u2022 Pevnost v tlaku: Popisuje pru\u017enost pru\u017en\u00e9ho materi\u00e1lu p\u0159i p\u016fsoben\u00ed tlakov\u00fdch sil.
\n\u2022 Pevnost v ohybu: Popisuje odolnost materi\u00e1lu proti ohybu.<\/p>\n

Pokud jde o v\u00fdb\u011br pru\u017einov\u00e9ho materi\u00e1lu, pevnost v tahu<\/a> v\u00fdznamnou roli. D\u016fle\u017eit\u00e9 pro mechanick\u00e9 N\u00e1vrh pru\u017einy<\/a> je minim\u00e1ln\u00ed hodnota, tj. zaru\u010den\u00e1 hodnota pevnosti. M\u00e1te-li jak\u00e9koli dotazy t\u00fdkaj\u00edc\u00ed se pru\u017einov\u00fdch materi\u00e1l\u016f, za\u0161lete pros\u00edm e-mail na adresu service@federnshop.com<\/a> nebo kontaktujte p\u0159\u00edmo n\u00e1s technologie<\/strong> v (0049) 0035 877 227-11<\/strong> .<\/p>\n

Zde najdete v\u00fdb\u011br pru\u017einov\u00fdch materi\u00e1l\u016f s vysokou \u00danavov\u00e1 s\u00edla<\/a> :<\/p>\n\n\n\n\n\t\n\n\t\n\t\n\t\n\t\n\t\n\t
Federwerkstoff<\/th>Verwendung<\/th>Rm min (N\/mm\u00b2)
\nbei Drahtst\u00e4rke 1 mm<\/th>\n<\/tr>\n<\/thead>\n
EN 10270-1 Typ DH
\nFederstahldraht
\n<\/td>		Alle gel\u00e4ufigen Federn, hohe statische und mittlere dynamische Beanspruchung<\/td>2220
\n<\/td>\n<\/tr>\n
EN 10270-1 Typ SH
\nFederstahldraht<\/td>		Alle gel\u00e4ufigen Federn, hohe statische und mittlere dynamische Beanspruchung<\/td>2220<\/td>\n<\/tr>\n
EN 10270-2 \/ VDC (unlegiert)
\nVentilfederdraht<\/td>		Bei hoher Dauerschwingbeanspruchung<\/td>1800<\/td>\n<\/tr>\n
EN 10270-2 \/ VDSiCr (legiert) Ventilfederdraht<\/td>Hohe dynamische Beanspruchung \u00fcber 100C, gute Relaxationseigenschaften<\/td>2080<\/td>\n<\/tr>\n
EN 10270-2 \/ VDCrV (legiert) Ventilfederdraht<\/td>Hohe dynamische Beanspruchung \u00fcber 100C, gute Relaxationseigenschaften<\/td>1910<\/td>\n<\/tr>\n
1.4568 \/ X7CrNiAI17-7 Federstahl V4A<\/td>Geringe Relaxation, hohe Dauerfestigkeit<\/td>1800<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

A\u0165 u\u017e pru\u017einov\u00fd ocelov\u00fd, bronzov\u00fd nebo mosazn\u00fd dr\u00e1t – ka\u017ed\u00fd Materi\u00e1l pru\u017einy m\u00e1 specifickou s\u00edlu. To ur\u010duje stupe\u0148 mechanick\u00e9 odolnosti, nap\u0159\u00edklad v p\u0159\u00edpad\u011b plastick\u00e9 deformace nebo odd\u011blen\u00ed. Charakteristick\u00e9 hodnoty pro pevnost mohou s a Diagram nap\u011bt\u00ed-nap\u011bt\u00ed b\u00fdt odhodlan\u00fd. N\u00e1sleduj\u00edc\u00ed faktory<\/p>\n","protected":false},"author":4,"featured_media":6074,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"footnotes":""},"categories":[919,929,558,992,452],"tags":[1139,1840,1371,1836,1841],"class_list":["post-7946","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dratene-pruziny","category-material-cz","category-prumysl","category-servis-cz","category-znalost","tag-dauerfestigkeit-cs","tag-federwerkstoff-cs","tag-pevnost-v-tahu-cs","tag-spannungs-dehnungs-diagramm-cs","tag-woehleruv-experiment"],"_links":{"self":[{"href":"https:\/\/blog.federnshop.com\/cs\/wp-json\/wp\/v2\/posts\/7946","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.federnshop.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.federnshop.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.federnshop.com\/cs\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.federnshop.com\/cs\/wp-json\/wp\/v2\/comments?post=7946"}],"version-history":[{"count":1,"href":"https:\/\/blog.federnshop.com\/cs\/wp-json\/wp\/v2\/posts\/7946\/revisions"}],"predecessor-version":[{"id":10551,"href":"https:\/\/blog.federnshop.com\/cs\/wp-json\/wp\/v2\/posts\/7946\/revisions\/10551"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.federnshop.com\/cs\/wp-json\/wp\/v2\/media\/6074"}],"wp:attachment":[{"href":"https:\/\/blog.federnshop.com\/cs\/wp-json\/wp\/v2\/media?parent=7946"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.federnshop.com\/cs\/wp-json\/wp\/v2\/categories?post=7946"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.federnshop.com\/cs\/wp-json\/wp\/v2\/tags?post=7946"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}