{"id":11410,"date":"2026-04-19T20:11:50","date_gmt":"2026-04-19T18:11:50","guid":{"rendered":"https:\/\/solids.pl\/?post_type=katalog-czesci&#038;p=11410"},"modified":"2026-05-11T08:42:15","modified_gmt":"2026-05-11T06:42:15","slug":"coroan-diferenial-punte-motoare-liebherr","status":"publish","type":"katalog-czesci","link":"https:\/\/solids.pl\/ro\/katalog-czesci\/coroan-diferenial-punte-motoare-liebherr\/","title":{"rendered":"LIEBHERR COROAN\u0102 DIFEREN\u021aIAL PUNTE MOTOARE"},"content":{"rendered":"<p>Coroana de diferen\u021bial a pun\u021bii motoare constituie un element esen\u021bial al sistemului de transmitere a puterii \u00een axele motoare ale ma\u0219inilor Liebherr din seriile TA, PR \u0219i LR, transmi\u021b\u00e2nd cuplul de torsiune al arborelui de transmisie mecanismului diferen\u021bial prin intermediul unui angrenaj hipoid cu roata conic\u0103 de atac. Componenta este fabricat\u0103 din o\u021bel aliat 18CrNiMo7-6, supus cement\u0103rii \u0219i c\u0103ldurii de tratare, ating\u00e2nd duritate superficial\u0103 de 58\u201362 HRC cu nucleu tenace de 30\u201338 HRC, asigur\u00e2nd rezisten\u021b\u0103 remarcabil\u0103 la oboseala de contact (pitting) \u0219i \u00eenc\u0103rc\u0103ri torsionale de \u0219oc p\u00e2n\u0103 la 45 000 Nm \u00een condi\u021bii operative extreme. Profilul dintelui este rectificat cu precizie de \u00b14 \u00b5m, iar jocul radial nu dep\u0103\u0219e\u0219te 0,06 mm, minimiz\u00e2nd vibra\u021bii \u0219i microalunecare la contact \u2014 fenomene generatoare de fretting \u0219i abraziune accelerat\u0103 \u00een timpul lubrific\u0103rii cu ulei GL-5 de v\u00e2scozitate 80W-90 sau 85W-140 la temperatur\u0103 opera\u021bional\u0103 p\u00e2n\u0103 la 130 \u00b0C. Geometria hipoid\u0103 cu dezaxare axelor de 30\u201345 mm fa\u021b\u0103 de axa ro\u021bii cu din\u021bi asigur\u0103 transmitere neted\u0103 \u0219i m\u0103re\u0219te suprafa\u021ba de angrenare, necesit\u00e2nd \u00eens\u0103 condi\u021bii de lubrificare mai exigente. La montaj, este obligatoriu men\u021binerea jocului lateral de angrenare \u00eentre 0,15\u20130,30 mm \u0219i precompresiunea rulmen\u021bilor cu flan\u0219\u0103 cu moment de 180\u2013220 Nm, verific\u00e2nd amprenta de contact (>60% din suprafa\u021ba dintelui) \u00eenainte de punerea \u00een serviciu.<\/p>\n<h3>Ma\u0219ini compatibile:<\/h3>\n<ul>\n<li>L580-458<\/li>\n<li>L580-459<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Coroana de diferen\u021bial a pun\u021bii motoare constituie un element esen\u021bial al sistemului de transmitere a puterii \u00een axele motoare ale ma\u0219inilor Liebherr din seriile TA, PR \u0219i LR, transmi\u021b\u00e2nd cuplul de torsiune al arborelui de transmisie mecanismului diferen\u021bial prin intermediul unui angrenaj hipoid cu roata conic\u0103 de atac. Componenta este fabricat\u0103 din o\u021bel aliat 18CrNiMo7-6, [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":11398,"parent":0,"template":"","meta":{"_acf_changed":false,"_liebherr_sku":"10216965","_liebherr_sku_all":"10216965","_oem_sku":"2115817","_oem_sku_all":"DS:2115817,DS:62115817","_oem_brand":"DS","_oem_sku_raw":"2115817DS 62115817DS"},"kategorie":[28306,27703],"class_list":["post-11410","katalog-czesci","type-katalog-czesci","status-publish","has-post-thumbnail","hentry","kategorie-subcaroserie-l580-ro","kategorie-l580-ro"],"acf":[],"_links":{"self":[{"href":"https:\/\/solids.pl\/ro\/wp-json\/wp\/v2\/katalog-czesci\/11410","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\/11398"}],"wp:attachment":[{"href":"https:\/\/solids.pl\/ro\/wp-json\/wp\/v2\/media?parent=11410"}],"wp:term":[{"taxonomy":"kategorie","embeddable":true,"href":"https:\/\/solids.pl\/ro\/wp-json\/wp\/v2\/kategorie?post=11410"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}