{"id":5361,"date":"2025-10-21T14:04:36","date_gmt":"2025-10-21T11:04:36","guid":{"rendered":"https:\/\/jnats.eu\/?p=5361"},"modified":"2025-10-21T14:05:08","modified_gmt":"2025-10-21T11:05:08","slug":"plieno-sendinimo-paslaptis-kaip-laikas-keicia-peiliu-ir-skustuvu-asmenis","status":"publish","type":"post","link":"https:\/\/jnats.eu\/ro\/plieno-sendinimo-paslaptis-kaip-laikas-keicia-peiliu-ir-skustuvu-asmenis\/","title":{"rendered":"Secretul \"\u00eemb\u0103tr\u00e2nirii\" o\u021belului: cum schimb\u0103 timpul lamele cu\u021bitelor \u0219i briciurilor"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Termenul \"\u00eemb\u0103tr\u00e2nire\" \u00eenseamn\u0103 \"\u00eemb\u0103tr\u00e2nire\". <em>\u00eemb\u0103tr\u00e2nire<\/em>) \u00een contextul prelucr\u0103rii metalelor este cel mai adesea asociat cu modific\u0103rile microstructurale naturale sau controlate care apar dup\u0103 procesul de c\u0103lire\/r\u0103cire. \u00cen cazul cu\u021bitelor \u0219i lamei de ras, acest fenomen poate avea un efect semnificativ asupra comportamentului lamei, a propriet\u0103\u021bilor de t\u0103iere \u0219i a performan\u021bei. \u00cen acest articol, vom discuta despre ce este \u00eemb\u0103tr\u00e2nirea o\u021belului, cum se produce \u0219i de ce prezint\u0103 un interes deosebit pentru pasiona\u021bii de unelte de epoc\u0103.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Ce este \u00eemb\u0103tr\u00e2nirea o\u021belului?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Tratamentul termic - c\u0103lirea \u0219i revenirea - sunt procese bine cunoscute pentru formarea microstructurii dorite a o\u021belului (de exemplu, martensit\u0103) \u0219i pentru reducerea tensiunilor. Cu toate acestea, aceste procese nu duc \u00eentotdeauna la ob\u021binerea unui material \"final\". \u00cen cele din urm\u0103, sau prin etape procedurale specifice:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Disiparea microstaziunilor: tensiunile generate \u00een timpul numeroaselor cicluri de lucru la cald scad treptat.<\/li>\n\n\n\n<li>Modific\u0103ri \u00een carburi \u0219i martensit\u0103: compu\u0219ii carburilor pot suferi o anumit\u0103 rearanjare, cu o microstructur\u0103 mai omogen\u0103.<\/li>\n\n\n\n<li>Stabilizare dimensional\u0103: evit\u0103 deform\u0103rile nea\u0219teptate, \u00een special dup\u0103 ascu\u021bire sau utilizare.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Acest proces poate include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Artificial\u0103 (controlat\u0103)<\/strong>: c\u00e2nd o\u021belul este c\u0103lit la o temperatur\u0103 fix\u0103 timp de c\u00e2teva ore sau zile dup\u0103 c\u0103lire.<\/li>\n\n\n\n<li><strong>Naturale<\/strong>: unde, \u00een timp, de-a lungul anilor sau chiar a deceniilor, structura se \"maturizeaz\u0103\" de la sine.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/jnats.eu\/wp-content\/uploads\/2024\/05\/Iwasaki-Kamisori-5-1024x768.jpg\" alt=\"\" class=\"wp-image-5120\" srcset=\"https:\/\/jnats.eu\/wp-content\/uploads\/2024\/05\/Iwasaki-Kamisori-5-1024x768.jpg 1024w, https:\/\/jnats.eu\/wp-content\/uploads\/2024\/05\/Iwasaki-Kamisori-5-300x225.jpg 300w, https:\/\/jnats.eu\/wp-content\/uploads\/2024\/05\/Iwasaki-Kamisori-5-768x576.jpg 768w, https:\/\/jnats.eu\/wp-content\/uploads\/2024\/05\/Iwasaki-Kamisori-5-16x12.jpg 16w, https:\/\/jnats.eu\/wp-content\/uploads\/2024\/05\/Iwasaki-Kamisori-5-990x742.jpg 990w, https:\/\/jnats.eu\/wp-content\/uploads\/2024\/05\/Iwasaki-Kamisori-5-441x331.jpg 441w, https:\/\/jnats.eu\/wp-content\/uploads\/2024\/05\/Iwasaki-Kamisori-5-600x450.jpg 600w, https:\/\/jnats.eu\/wp-content\/uploads\/2024\/05\/Iwasaki-Kamisori-5-150x112.jpg 150w, https:\/\/jnats.eu\/wp-content\/uploads\/2024\/05\/Iwasaki-Kamisori-5.jpg 1334w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">De ce este acest lucru relevant pentru cu\u021bite \u0219i lame de ras?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Uneltele cu lame cu geometrie foarte sub\u021bire \u0219i cerin\u021be ridicate - cum ar fi lamele de ras sau cu\u021bitele de buc\u0103t\u0103rie high-end - sunt deosebit de sensibile la propriet\u0103\u021bile microstructurale ale o\u021belului. Atunci c\u00e2nd o\u021belul este \"\u00eemb\u0103tr\u00e2nit\" \u00een mod corespunz\u0103tor, se poate a\u0219tepta:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Stabilitate dimensional\u0103 \u00eembun\u0103t\u0103\u021bit\u0103: mai pu\u021bin predispus\u0103 la deformare \u00een timpul utiliz\u0103rii sau ascu\u021birii.<\/li>\n\n\n\n<li>O senza\u021bie de ascu\u021bire mai fin\u0103: o\u021belurile \"\u00eenvechite\" par adesea mai \"moi\", p\u0103str\u00e2ndu-\u0219i \u00een acela\u0219i timp duritatea, ceea ce poate face ascu\u021birea mai pl\u0103cut\u0103.<\/li>\n\n\n\n<li>\u00cembun\u0103t\u0103\u021birea performan\u021bei de t\u0103iere pe termen lung: structura este mai omogen\u0103, permi\u021b\u00e2nd lamei s\u0103 \u00ee\u0219i \"men\u021bin\u0103\" mai bine ascu\u021bimea.<\/li>\n\n\n\n<li>Risc mai mic de fisurare sau micro-fisurare datorit\u0103 tensiunilor mai mici.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"800\" height=\"534\" src=\"https:\/\/jnats.eu\/wp-content\/uploads\/2025\/10\/KatanaTokitoMuichiro2_800x.webp\" alt=\"\" class=\"wp-image-5363\" srcset=\"https:\/\/jnats.eu\/wp-content\/uploads\/2025\/10\/KatanaTokitoMuichiro2_800x.webp 800w, https:\/\/jnats.eu\/wp-content\/uploads\/2025\/10\/KatanaTokitoMuichiro2_800x-300x200.webp 300w, https:\/\/jnats.eu\/wp-content\/uploads\/2025\/10\/KatanaTokitoMuichiro2_800x-768x513.webp 768w, https:\/\/jnats.eu\/wp-content\/uploads\/2025\/10\/KatanaTokitoMuichiro2_800x-18x12.webp 18w, https:\/\/jnats.eu\/wp-content\/uploads\/2025\/10\/KatanaTokitoMuichiro2_800x-441x294.webp 441w, https:\/\/jnats.eu\/wp-content\/uploads\/2025\/10\/KatanaTokitoMuichiro2_800x-600x401.webp 600w, https:\/\/jnats.eu\/wp-content\/uploads\/2025\/10\/KatanaTokitoMuichiro2_800x-150x100.webp 150w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Tradi\u021bia japonez\u0103: cum \"\u00eemb\u0103tr\u00e2nesc\" me\u0219terii o\u021belul<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Tradi\u021bii interesante apar \u00een contextul japonez al fabric\u0103rii cu\u021bitelor \u0219i s\u0103biilor:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Unii artizani las\u0103 piesele brute dup\u0103 forjare timp de mai multe luni sau chiar ani, \u00een timp ce tensiunile interne sunt eliminate. O astfel de pies\u0103 se nume\u0219te <em>\"negi-mono\"<\/em> (\"metal calm\").<\/li>\n\n\n\n<li>Dup\u0103 \u00eent\u0103rire, piesa de prelucrat este uneori l\u0103sat\u0103 s\u0103 se \"odihneasc\u0103\" la temperatura camerei \u00eenainte de a fi eliberat\u0103.<\/li>\n\n\n\n<li>Unii fierari de \u0219coal\u0103 veche sus\u021bin c\u0103 o\u021belul \"se maturizeaz\u0103\" \u00een timp - compar\u00e2ndu-l cu vinul sau sake-ul, spun\u00e2nd c\u0103, cu c\u00e2t se odihne\u0219te mai mult, cu at\u00e2t calitatea lamei este mai bun\u0103.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Aceste tehnici nu sunt doar pentru structura tehnic\u0103, ci \u0219i pentru estetica me\u0219te\u0219ugului - me\u0219terul \"permite\" o\u021belului s\u0103 capete caracter.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/jnats.eu\/wp-content\/uploads\/2024\/11\/Daishi-350-Yasuki-Steel-Made-of-Iron-Steel-Tamahagane-4-1024x768.webp\" alt=\"\" class=\"wp-image-3474\" srcset=\"https:\/\/jnats.eu\/wp-content\/uploads\/2024\/11\/Daishi-350-Yasuki-Steel-Made-of-Iron-Steel-Tamahagane-4-1024x768.webp 1024w, https:\/\/jnats.eu\/wp-content\/uploads\/2024\/11\/Daishi-350-Yasuki-Steel-Made-of-Iron-Steel-Tamahagane-4-300x225.webp 300w, https:\/\/jnats.eu\/wp-content\/uploads\/2024\/11\/Daishi-350-Yasuki-Steel-Made-of-Iron-Steel-Tamahagane-4-768x576.webp 768w, https:\/\/jnats.eu\/wp-content\/uploads\/2024\/11\/Daishi-350-Yasuki-Steel-Made-of-Iron-Steel-Tamahagane-4-16x12.webp 16w, https:\/\/jnats.eu\/wp-content\/uploads\/2024\/11\/Daishi-350-Yasuki-Steel-Made-of-Iron-Steel-Tamahagane-4-990x742.webp 990w, https:\/\/jnats.eu\/wp-content\/uploads\/2024\/11\/Daishi-350-Yasuki-Steel-Made-of-Iron-Steel-Tamahagane-4-441x331.webp 441w, https:\/\/jnats.eu\/wp-content\/uploads\/2024\/11\/Daishi-350-Yasuki-Steel-Made-of-Iron-Steel-Tamahagane-4-600x450.webp 600w, https:\/\/jnats.eu\/wp-content\/uploads\/2024\/11\/Daishi-350-Yasuki-Steel-Made-of-Iron-Steel-Tamahagane-4-150x112.webp 150w, https:\/\/jnats.eu\/wp-content\/uploads\/2024\/11\/Daishi-350-Yasuki-Steel-Made-of-Iron-Steel-Tamahagane-4.webp 1334w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Unelte de epoc\u0103: c\u00e2nd \u00eemb\u0103tr\u00e2nirea natural\u0103 este un avantaj<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Atunci c\u00e2nd vorbim despre cu\u021bite \u0219i bricege de epoc\u0103 (de exemplu, fabricate \u00een urm\u0103 cu zeci de ani sau mai mult), ne referim adesea la o\u021bel care a fost deja \"\u00eemb\u0103tr\u00e2nit \u00een mod natural\". Aceasta \u00eenseamn\u0103 c\u0103:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Dac\u0103 scula a fost bine fabricat\u0103 (tratament termic adecvat), atunci \u00een decurs de 20, 50 sau mai mul\u021bi ani o\u021belul a suferit o stabilizare natural\u0103 a microstructurii sale.<\/li>\n\n\n\n<li>\u00cen acest caz, proprietarul poate observa un comportament \"diferit\" - de exemplu, ascu\u021bire mai u\u0219oar\u0103, t\u0103iere mai \"moale\", stabilitate mai bun\u0103 a formei.<\/li>\n\n\n\n<li>Prin urmare, pentru colec\u021bionari sau utilizatori, aceste unelte mai vechi pot fi valoroase nu numai pentru istoria lor, ci \u0219i pentru propriet\u0103\u021bile o\u021belului lor.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Merit\u0103 \u00eentotdeauna? La ce s\u0103 fii atent<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">De\u0219i efectul de \u00eemb\u0103tr\u00e2nire poate fi foarte benefic, merit\u0103 s\u0103 ne amintim:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u00cen cazul \u00een care o\u021belul nu a fost tratat \u00een mod corespunz\u0103tor (temperat\/eliberat), efectele timpului nu fac minuni - structura poate fi prea mobil\u0103 sau defect\u0103.<\/li>\n\n\n\n<li>Este posibil ca uneltele de epoc\u0103 s\u0103 fi avut nevoie de restaurare \u0219i lustruire - astfel \u00eenc\u00e2t propriet\u0103\u021bile s\u0103 fi fost modificate.<\/li>\n\n\n\n<li>Tehnologia a evoluat: aliajele de o\u021bel vechi \u0219i metodele de produc\u021bie au devenit diferite de cele moderne. Prin urmare, o\u021belul vechi \"\u00eemb\u0103tr\u00e2nit\" nu este neap\u0103rat \"mai bun\" \u00een toate cazurile.<\/li>\n\n\n\n<li>Factorii de ascu\u021bire, utilizare \u0219i \u00eentre\u021binere au un impact mare - chiar \u0219i o\u021belul \"\u00eenvechit\" \u00ee\u0219i poate pierde ascu\u021bimea sau se poate deforma dac\u0103 este utilizat neglijent.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Concluzii<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u00cemb\u0103tr\u00e2nirea o\u021belului - at\u00e2t artificial\u0103, c\u00e2t \u0219i natural\u0103 - este un proces subtil, dar semnificativ, care afecteaz\u0103 microstructura lamei. \u00cen special pentru cu\u021bite \u0219i bricege care necesit\u0103 lame de \u00eenalt\u0103 calitate, acest efect poate duce la o t\u0103iere mai bun\u0103, o stabilitate mai mare \u0219i o manevrare mai pl\u0103cut\u0103. Uneltele vechi de epoc\u0103 \u0219i-au dep\u0103\u0219it adesea perioada de \"maturizare\" sau \"\u00eemb\u0103tr\u00e2nire\" \u0219i, prin urmare, pot avea un caracter unic.<\/p>","protected":false},"excerpt":{"rendered":"<p>Terminas \u201esendinimas\u201c (angl. aging) metalo apdirbimo kontekste da\u017eniausiai siejamas su nat\u016braliais ar kontroliuotais mikrostrukt\u016bros poky\u010diais, vykstan\u010diais po gr\u016bdinimo \u2013 atleidimo proceso. Kalbant apie peilius ir skustuvus, \u0161is rei\u0161kinys gali reik\u0161mingai paveikti a\u0161men\u0173 elgsen\u0105, pjovimo savybes ir eksploatacijos savybes. \u0160iame straipsnyje aptarsime, kas yra plieno sendinimas, kaip jis vyksta, ir kod\u0117l juo ypatingai domisi vinta\u017eini\u0173 \u012franki\u0173 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":5362,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[35,96],"tags":[374,350,373],"class_list":["post-5361","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-peiliai","category-skustuvai","tag-grudinimas","tag-plienas","tag-sendinimas"],"_links":{"self":[{"href":"https:\/\/jnats.eu\/ro\/wp-json\/wp\/v2\/posts\/5361","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/jnats.eu\/ro\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/jnats.eu\/ro\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/jnats.eu\/ro\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/jnats.eu\/ro\/wp-json\/wp\/v2\/comments?post=5361"}],"version-history":[{"count":2,"href":"https:\/\/jnats.eu\/ro\/wp-json\/wp\/v2\/posts\/5361\/revisions"}],"predecessor-version":[{"id":5366,"href":"https:\/\/jnats.eu\/ro\/wp-json\/wp\/v2\/posts\/5361\/revisions\/5366"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/jnats.eu\/ro\/wp-json\/wp\/v2\/media\/5362"}],"wp:attachment":[{"href":"https:\/\/jnats.eu\/ro\/wp-json\/wp\/v2\/media?parent=5361"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jnats.eu\/ro\/wp-json\/wp\/v2\/categories?post=5361"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jnats.eu\/ro\/wp-json\/wp\/v2\/tags?post=5361"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}