{"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>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>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>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>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>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>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>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>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>\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>Termenul \"\u00eemb\u0103tr\u00e2nire\" \u00een contextul prelucr\u0103rii metalelor este de obicei 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 sale de t\u0103iere \u0219i a duratei sale de via\u021b\u0103. \u00cen acest articol, vom discuta despre ce este \u00eemb\u0103tr\u00e2nirea o\u021belului, cum apare \u0219i de ce prezint\u0103 un interes deosebit pentru [...]<\/p>","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}]}}