{"id":10260,"date":"2026-04-17T23:25:20","date_gmt":"2026-04-17T21:25:20","guid":{"rendered":"https:\/\/solids.pl\/?post_type=katalog-czesci&#038;p=10260"},"modified":"2026-05-11T08:41:49","modified_gmt":"2026-05-11T06:41:49","slug":"frn-multidisc-cu-resort-a-antrenrii-de-translaie-liebherr","status":"publish","type":"katalog-czesci","link":"https:\/\/solids.pl\/ro\/katalog-czesci\/frn-multidisc-cu-resort-a-antrenrii-de-translaie-liebherr\/","title":{"rendered":"LIEBHERR FR\u00c2N\u0102 MULTIDISC\u0102 CU RESORT A ANTREN\u0102RII DE TRANSLA\u021aIE"},"content":{"rendered":"<p>Fr\u00e2na multidisc\u0103 cu resort a antren\u0103rii de transla\u021bie constituie un subansamblu integral al reductorului final al utilajelor pe \u0219enile \u0219i cu ro\u021bi Liebherr, \u00eendeplinind simultan func\u021biile de fr\u00e2n\u0103 de parcare \u0219i de service. Corpul fr\u00e2nei este executat din o\u021bel aliat 42CrMo4 \u00eembun\u0103t\u0103\u021bit termic la 28\u201334 HRC, \u00een timp ce discurile de fric\u021biune sunt din o\u021bel 16MnCr5 cementat \u0219i c\u0103lat la 58\u201362 HRC, cu grosime nominal\u0103 de lucru de 3,5 mm \u0219i uzur\u0103 admisibil\u0103 p\u00e2n\u0103 la 0,4 mm pe fa\u021b\u0103. Pachetul multidisc\u0103 func\u021bioneaz\u0103 \u00een baie de ulei (fr\u00e2n\u0103 umed\u0103), ceea ce limiteaz\u0103 fenomenele de coroziune prin fretting pe suprafe\u021bele de cuplaj \u0219i uzura abraziv\u0103 a garniturilor sub presiune nominal\u0103 de aplicare a resorturi de ordinul 180\u2013220 kN. Eliberarea fr\u00e2nei se efectueaz\u0103 hidraulic la presiune de lucru de 35\u201345 bar, iar momentul de fr\u00e2nare \u00een stare de repaus atinge valori peste 12 000 Nm pe arborele de ie\u0219ire. Resorturile Belleville din o\u021bel inoxidabil pentru resorturi men\u021bin stabilitatea for\u021bei de str\u00e2ngere \u00een intervalul de temperaturi de \u201340 \u00b0C la +120 \u00b0C, aspect esen\u021bial pentru exploatare \u00een condi\u021bii extreme. Oboseala de contact a discurilor se manifest\u0103 prin pitting \u0219i microfisuri marginale \u2014 detectate \u00een timpul inspec\u021biei prin metoda penetrantului \u2014 \u0219i constituie criteriu de \u00eenlocuire absolut\u0103 a \u00eentregului pachet f\u0103r\u0103 regenerare selectiv\u0103. Liebherr recomand\u0103 \u00eenlocuirea fr\u00e2nei ca ansamblu, f\u0103r\u0103 separarea componentelor resorturi \u0219i discuri.<\/p>\n<h3>Ma\u0219ini compatibile:<\/h3>\n<ul>\n<li>LR632-393<\/li>\n<li>LR632B-393<\/li>\n<li>PR732-350<\/li>\n<li>PR732B-350<\/li>\n<li>PR732BL-412<\/li>\n<li>PR732BM-351<\/li>\n<li>PR732L-412<\/li>\n<li>PR732M-351<\/li>\n<\/ul>\n<h3>Compatibil cu reductoare de transla\u021bie:<\/h3>\n<ul>\n<li>500\/555<\/li>\n<li>FAT 500P595D<\/li>\n<\/ul>\n<p><small>Component\u0103 pentru sistemele de transla\u021bie ale ma\u0219inilor de construc\u021bii LIEBHERR \u2014 utilizat\u0103 \u00een reductoare de transla\u021bie \u0219i transmisii finale ale ma\u0219inilor pe \u0219enile (excavatoare, \u00eenc\u0103rc\u0103toare pe \u0219enile, buldozere) precum \u0219i \u00een pun\u021bi de transmisie \u0219i reductoare planetare de butuc roat\u0103 ale ma\u0219inilor pe pneuri (\u00eenc\u0103rc\u0103toare pe pneuri, excavatoare pe pneuri). Sinonime de specialitate: sistem de transla\u021bie, reductor de transla\u021bie, transmisie final\u0103, reductor final, punte de transmisie, reductor de butuc roat\u0103, ac\u021bionare de transla\u021bie, motoreductor de deplasare, transmisie de avans.<\/small><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Fr\u00e2na multidisc\u0103 cu resort a antren\u0103rii de transla\u021bie constituie un subansamblu integral al reductorului final al utilajelor pe \u0219enile \u0219i cu ro\u021bi Liebherr, \u00eendeplinind simultan func\u021biile de fr\u00e2n\u0103 de parcare \u0219i de service. Corpul fr\u00e2nei este executat din o\u021bel aliat 42CrMo4 \u00eembun\u0103t\u0103\u021bit termic la 28\u201334 HRC, \u00een timp ce discurile de fric\u021biune sunt din o\u021bel [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":10248,"parent":0,"template":"","meta":{"_acf_changed":false,"_liebherr_sku":"502038801","_liebherr_sku_all":"502038801,502037501","_oem_sku":"","_oem_sku_all":"","_oem_brand":"","_oem_sku_raw":""},"kategorie":[28447,42630,27590,42374],"class_list":["post-10260","katalog-czesci","type-katalog-czesci","status-publish","has-post-thumbnail","hentry","kategorie-subcaroserie-lr632-ro","kategorie-subcaroserie-pr732-ro","kategorie-lr632-ro","kategorie-pr732-ro"],"acf":[],"_links":{"self":[{"href":"https:\/\/solids.pl\/ro\/wp-json\/wp\/v2\/katalog-czesci\/10260","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/solids.pl\/ro\/wp-json\/wp\/v2\/katalog-czesci"}],"about":[{"href":"https:\/\/solids.pl\/ro\/wp-json\/wp\/v2\/types\/katalog-czesci"}],"author":[{"embeddable":true,"href":"https:\/\/solids.pl\/ro\/wp-json\/wp\/v2\/users\/11"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/solids.pl\/ro\/wp-json\/wp\/v2\/media\/10248"}],"wp:attachment":[{"href":"https:\/\/solids.pl\/ro\/wp-json\/wp\/v2\/media?parent=10260"}],"wp:term":[{"taxonomy":"kategorie","embeddable":true,"href":"https:\/\/solids.pl\/ro\/wp-json\/wp\/v2\/kategorie?post=10260"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}