{"id":2340,"date":"2024-12-18T09:44:00","date_gmt":"2024-12-18T14:44:00","guid":{"rendered":"https:\/\/www.keystonethreaded.com\/?p=2340"},"modified":"2025-10-02T10:13:47","modified_gmt":"2025-10-02T14:13:47","slug":"the-worlds-largest-thread-roller","status":"publish","type":"post","link":"https:\/\/www.keystonethreaded.com\/fr\/the-worlds-largest-thread-roller\/","title":{"rendered":"Le plus grand rouleau \u00e0 fil du monde"},"content":{"rendered":"<h2>La particularit\u00e9 de Tesker 840<\/h2>\n<p>Dans un coin de la biblioth\u00e8que des outils de Keystone se trouve un classeur rempli de dizaines d'ann\u00e9es d'histoire. Parmi les dizaines de dossiers qui contiennent les registres d'achat et d'entretien de nombreuses machines, il y a un dossier de 4 pouces sur la Tesker 840, l'une des quatre ou cinq plus grandes rouleuses de filets au monde jamais construites. Plus qu'une simple collection de documents d\u00e9taill\u00e9s, lorsque l'on feuillette son contenu, on trouve des preuves non seulement de la vision initiale du propri\u00e9taire de deuxi\u00e8me g\u00e9n\u00e9ration, Jim Krejci, pour le 840, mais aussi de la fa\u00e7on dont il a \u00e9volu\u00e9 au fil du temps pour devenir un \u00e9l\u00e9ment incontournable de notre atelier. <a href=\"https:\/\/www.keystonethreaded.com\/fr\/meet-the-team-at-keystone-pete-foster\/\">o\u00f9 elle g\u00e8re encore des emplois aujourd'hui<\/a>. Le dossier est \u00e9galement rempli de photos, de factures et de correspondance qui t\u00e9moignent des d\u00e9cennies d'entretien, de maintenance et de fiert\u00e9 qui ont permis de moderniser et de rendre op\u00e9rationnel le 840.\u00a0<\/p>\n<p>\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"1400\" height=\"787\" src=\"https:\/\/www.keystonethreaded.com\/wp-content\/uploads\/2024\/12\/840-scaled.jpg\" alt=\"\" srcset=\"https:\/\/www.keystonethreaded.com\/wp-content\/uploads\/2024\/12\/840-scaled.jpg 1400w, https:\/\/www.keystonethreaded.com\/wp-content\/uploads\/2024\/12\/840-300x169.jpg 300w, https:\/\/www.keystonethreaded.com\/wp-content\/uploads\/2024\/12\/840-1024x576.jpg 1024w, https:\/\/www.keystonethreaded.com\/wp-content\/uploads\/2024\/12\/840-768x432.jpg 768w, https:\/\/www.keystonethreaded.com\/wp-content\/uploads\/2024\/12\/840-1536x864.jpg 1536w, https:\/\/www.keystonethreaded.com\/wp-content\/uploads\/2024\/12\/840-18x10.jpg 18w\" sizes=\"(max-width: 1400px) 100vw, 1400px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t<\/p>\n<h2>Chronologie historique<\/h2>\n<p>\u00c0 l'int\u00e9rieur de ce dossier, plusieurs documents forment une chronologie, notamment un article dans une pochette de protection qui pourrait bien avoir \u00e9t\u00e9 le moment d\u00e9cisif pour M. Krejci :<\/p>\n<p><strong>20 mars 1972<\/strong><br \/>Des pages aujourd'hui jaunies par le temps de Metalworking News annon\u00e7aient que General Motors disposait d'un nouveau rouleau fileur \"g\u00e9ant\". Qualifi\u00e9 de \"plus grand rouleau fileur du monde\", l'article explique que GM serait d\u00e9sormais en mesure de fournir des vis \u00e0 billes filet\u00e9es et des vis \u00e0 filets ACME roul\u00e9s jusqu'\u00e0 12 et 15 pouces, respectivement, pour les vannes de barrage, les grandes machines-outils, les laminoirs d'acier et bien plus encore, ouvrant ainsi un tout nouveau march\u00e9 pour l'entreprise.<\/p>\n<p><strong>7 ao\u00fbt 1973<\/strong><br \/>Environ un an et demi plus tard, un document manuscrit de M. Krejci indique que Keystone a r\u00e9cemment achet\u00e9 le Tesker 840. Il est joint \u00e0 une page dactylographi\u00e9e de Tesker qui \u00e9num\u00e8re plusieurs entreprises ayant achet\u00e9 le petit mod\u00e8le 630. En voici un extrait :<\/p>\n<p><em>\"L'objet de cette lettre est de vous demander si vous avez eu \u00e0 faire face \u00e0 des travaux de laminage qui \u00e9taient trop importants pour votre Tesker 630. Comme vous le savez probablement, le 840 a une pression de laminage de 600 000 livres et peut traiter des pi\u00e8ces d'un diam\u00e8tre allant jusqu'\u00e0 15 pouces\".<\/em><\/p>\n<p><strong>5 mars 1974<\/strong><br \/>Correspondance avec Tesker comprenant les dimensions d'une fixation de bloc de support :<\/p>\n<p><em>Cher doyen,<\/em><\/p>\n<p><em>Conform\u00e9ment \u00e0 la conversation t\u00e9l\u00e9phonique, vous trouverez ci-joint les dessins du bloc de support n\u00e9cessaire pour rouler de grands diam\u00e8tres sur le 840. J'ai indiqu\u00e9 la plupart des dimensions pour vous [sic], mais vous pouvez les modifier si n\u00e9cessaire. Faites preuve de discernement. Nous appr\u00e9cierions que ce dispositif soit exp\u00e9di\u00e9 avec un jeu de rouleaux \u00e0 3 pas que Richy est en train de fabriquer pour nous. L'un ne va pas sans l'autre\".<\/em><\/p>\n<p><em>Jim Krejci.<\/em><\/p>\n<p>\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"768\" height=\"1024\" src=\"https:\/\/www.keystonethreaded.com\/wp-content\/uploads\/2024\/12\/Tesker-1-768x1024.jpg\" alt=\"\" srcset=\"https:\/\/www.keystonethreaded.com\/wp-content\/uploads\/2024\/12\/Tesker-1-768x1024.jpg 768w, https:\/\/www.keystonethreaded.com\/wp-content\/uploads\/2024\/12\/Tesker-1-225x300.jpg 225w, https:\/\/www.keystonethreaded.com\/wp-content\/uploads\/2024\/12\/Tesker-1-1152x1536.jpg 1152w, https:\/\/www.keystonethreaded.com\/wp-content\/uploads\/2024\/12\/Tesker-1-1536x2048.jpg 1536w, https:\/\/www.keystonethreaded.com\/wp-content\/uploads\/2024\/12\/Tesker-1-9x12.jpg 9w, https:\/\/www.keystonethreaded.com\/wp-content\/uploads\/2024\/12\/Tesker-1-scaled.jpg 1050w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/><br \/>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"768\" height=\"1024\" src=\"https:\/\/www.keystonethreaded.com\/wp-content\/uploads\/2024\/12\/Tesker-2-768x1024.jpg\" alt=\"\" srcset=\"https:\/\/www.keystonethreaded.com\/wp-content\/uploads\/2024\/12\/Tesker-2-768x1024.jpg 768w, https:\/\/www.keystonethreaded.com\/wp-content\/uploads\/2024\/12\/Tesker-2-225x300.jpg 225w, https:\/\/www.keystonethreaded.com\/wp-content\/uploads\/2024\/12\/Tesker-2-1152x1536.jpg 1152w, https:\/\/www.keystonethreaded.com\/wp-content\/uploads\/2024\/12\/Tesker-2-1536x2048.jpg 1536w, https:\/\/www.keystonethreaded.com\/wp-content\/uploads\/2024\/12\/Tesker-2-9x12.jpg 9w, https:\/\/www.keystonethreaded.com\/wp-content\/uploads\/2024\/12\/Tesker-2-scaled.jpg 1050w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t<\/p>\n<h2>Le Tesker 840 : Le Tesker 840 est l\u00e0 pour durer<\/h2>\n<p>Allan Young, qui a rejoint Keystone en octobre 1973 et est toujours pr\u00e9sent aujourd'hui, a d\u00e9clar\u00e9 que le Tesker 840 \u00e9tait tout nouveau pour l'entreprise lorsqu'il a commenc\u00e9. L'un des premiers emplois dont il se souvient \u00e9tait pour HPM, une entreprise de plastique et d'\u00e9quipement de moulage sous pression \u00e0 Mount Vernon, dans l'Ohio, qui a ferm\u00e9 ses portes en 2010. \"J'\u00e9tais un jeune d\u00e9butant, mais... c'est ce dont je me souviens comme premier travail. Ils fabriquaient ces grosses barres d'attache pour le moulage par injection du plastique\". Il s'agissait d'un boulon de 14,5 pouces de diam\u00e8tre, d'une longueur de 22 pieds et d'un poids de 16 000 livres.<\/p>\n<p>Depuis, Keystone a roul\u00e9 des barres filet\u00e9es sur la 840 pour des dizaines de clients. Bien que les gros travaux soient rares, la 840 continue \u00e0 jouer un r\u00f4le dans l'industrie et chez Keystone. \"Les barrages, par exemple, qu'il s'agisse de r\u00e9parer un barrage ou d'en construire un nouveau. Au cours d'une ann\u00e9e, vous pouvez r\u00e9aliser quelques projets tr\u00e8s int\u00e9ressants, mais il se peut que vous n'en ayez aucun pendant cinq ans. Cela d\u00e9pend.\"<\/p>\n<p><strong>Fait amusant :<\/strong> Aujourd'hui, un nouveau 840 co\u00fbterait plus d'un million de dollars.&nbsp;<\/p>\n<p>Que vous soyez un nouveau client ou un client habituel, nous sommes heureux de r\u00e9pondre \u00e0 toutes les questions que vous vous posez sur notre qualit\u00e9 ou nos processus. Appelez-nous au 216.524.9626 ou au&nbsp;<a href=\"https:\/\/www.keystonethreaded.com\/fr\/request-a-quote\/\">Demande de devis<\/a>&nbsp;aujourd'hui !<\/p>","protected":false},"excerpt":{"rendered":"<p>Dans un coin de la biblioth\u00e8que des outils de Keystone se trouve un classeur rempli de d\u00e9cennies d'histoire. Le Tesker 840 est l'un des quatre ou cinq plus grands galets de filetage au monde jamais construits. <\/p>","protected":false},"author":3,"featured_media":2351,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[50],"tags":[],"class_list":["post-2340","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-general"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.3 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>The World\u2019s Largest Thread Roller - Keystone Threaded Products<\/title>\n<meta name=\"description\" content=\"The Tesker 840 has a rich history at Keystone and makes it possible to thread roll large-diameter rod, from 6&quot; to 8&quot; to 10&quot; and greater.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.keystonethreaded.com\/fr\/the-worlds-largest-thread-roller\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"The World\u2019s Largest Thread Roller\" \/>\n<meta property=\"og:description\" content=\"The Tesker 840 has a rich history at Keystone and makes it possible to thread roll large-diameter rod, from 6&quot; to 8&quot; to 10&quot; and greater.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.keystonethreaded.com\/fr\/the-worlds-largest-thread-roller\/\" \/>\n<meta property=\"og:site_name\" content=\"Keystone Threaded Products\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/KeystoneThreaded\" \/>\n<meta property=\"article:published_time\" content=\"2024-12-18T14:44:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-10-02T14:13:47+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.keystonethreaded.com\/wp-content\/uploads\/2024\/12\/840-2-scaled.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1400\" \/>\n\t<meta property=\"og:image:height\" content=\"1050\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Betsy Minnick\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Betsy Minnick\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.keystonethreaded.com\\\/the-worlds-largest-thread-roller\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.keystonethreaded.com\\\/the-worlds-largest-thread-roller\\\/\"},\"author\":{\"name\":\"Betsy Minnick\",\"@id\":\"https:\\\/\\\/www.keystonethreaded.com\\\/#\\\/schema\\\/person\\\/72ebb8fecafb68085cee5a56a07171c3\"},\"headline\":\"The World\u2019s Largest Thread Roller\",\"datePublished\":\"2024-12-18T14:44:00+00:00\",\"dateModified\":\"2025-10-02T14:13:47+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.keystonethreaded.com\\\/the-worlds-largest-thread-roller\\\/\"},\"wordCount\":617,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/www.keystonethreaded.com\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.keystonethreaded.com\\\/the-worlds-largest-thread-roller\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.keystonethreaded.com\\\/wp-content\\\/uploads\\\/2024\\\/12\\\/840-2-scaled.jpg\",\"articleSection\":[\"General\"],\"inLanguage\":\"fr-FR\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.keystonethreaded.com\\\/the-worlds-largest-thread-roller\\\/\",\"url\":\"https:\\\/\\\/www.keystonethreaded.com\\\/the-worlds-largest-thread-roller\\\/\",\"name\":\"The World\u2019s Largest Thread Roller - 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