{"id":6350,"date":"2022-01-03T00:00:00","date_gmt":"2022-01-03T00:00:00","guid":{"rendered":"https:\/\/dev.micronora-informations.fr\/index.php\/2022\/01\/03\/comment-maitriser-l-usinage-des-petites-series\/"},"modified":"2022-01-03T00:00:00","modified_gmt":"2022-01-03T00:00:00","slug":"comment-maitriser-l-usinage-des-petites-series","status":"publish","type":"post","link":"https:\/\/micronora.com\/en\/comment-maitriser-l-usinage-des-petites-series\/","title":{"rendered":"Comment ma\u00eetriser l&#8217;usinage des petites s\u00e9ries"},"content":{"rendered":"<p class=\"post_excerpt\">Habitu\u00e9e \u00e0 des s\u00e9ries de plusieurs milliers de pi\u00e8ces, la soci\u00e9t\u00e9 MPM a d\u00fb mettre en place une production en petite s\u00e9rie. Pour s&#8217;adapter \u00e0 cette mutation, ce sp\u00e9cialiste du d\u00e9colletage a investi dans une nouvelle solution d&#8217;usinage, le tour Citizen-Miyano BNJ 42\/51, adapt\u00e9e aux petites s\u00e9ries, gr\u00e2ce \u00e0 la rapidit\u00e9 de montage. <\/p>\n<p><!--more--><br \/>\n<img decoding=\"async\" src=\"\/IMG\/jpg\/157-011-001.jpg\" alt=\"157-011-001.jpg\" data-description=\"L'atelier de MPM compte une dizaine de tours \u00e0 poup\u00e9e mobile Citizen-Cincom \net trois tours \u00e0 poup\u00e9e fixe Citizen-Miyano.\" align=\"left\" \/><br \/>\nSitu\u00e9e \u00e0 Saint Pierre en Faucigny, dans la vall\u00e9e de l&#8217;Arve, MPM emploie 75 personnes et r\u00e9alise un chiffre d&#8217;affaires annuel d&#8217;environ 12\u00a0millions d&#8217;euros. Ses donneurs d&#8217;ordres sont issus des secteurs des loisirs, de l&#8217;\u00e9nergie, de l&#8217;a\u00e9ronautique et majoritairement de l&#8217;automobile. L&#8217;atelier de l&#8217;entreprise, filiale du groupe ACI, compte une dizaine de tours \u00e0 poup\u00e9e mobile Citizen-Cincom et trois tours \u00e0 poup\u00e9e fixe Citizen-Miyano. Habitu\u00e9e \u00e0 fabriquer des s\u00e9ries de plusieurs milliers de pi\u00e8ces, MPM a d\u00fb r\u00e9pondre \u00e0 des commandes plus r\u00e9duites\u00a0: de 200 \u00e0 800 pi\u00e8ces, de plus en plus pr\u00e9cises. <em>&#8220;En 2018 nous avons donc investi dans une nouvelle machine adapt\u00e9e \u00e0 cette mutation du march\u00e9&#8221;<\/em>, explique Simon Hetier, responsable du P\u00f4le Production du site de Saint Pierre en Faucigny. <em>&#8220;Un investissement que nous devons accompagner par une am\u00e9lioration sensible de notre comp\u00e9titivit\u00e9 capable d&#8217;ouvrir l\u2019acc\u00e8s \u00e0 de nouveaux march\u00e9s.&#8221;<\/em> Ainsi, MPM \u00e9tudie plusieurs solutions capables de r\u00e9pondre \u00e0 ce d\u00e9fi, dont la proposition d&#8217;Hestika France\u00a0; le tour Citizen-Miyano BNJ 42\/51. <em>&#8220;La solution appara\u00eet int\u00e9ressante, tout comme le positionnement de cette machine&#8221;<\/em>, remarque le sp\u00e9cialiste. <em>&#8220;Hybride, car \u00e9quip\u00e9 d&#8217;une tourelle principale et d&#8217;une tourelle de reprise, ce tour est moins on\u00e9reux qu&#8217;un tour bi-tourelle tout en disposant de capacit\u00e9s \u00e9quivalentes et d&#8217;un encombrement inf\u00e9rieur. Mais l&#8217;architecture de la machine surprend.&#8221;<\/em> L&#8217;\u00e9quipe h\u00e9site donc entre cette machine et un mod\u00e8le d&#8217;un autre constructeur. Dans le cadre du processus de s\u00e9lection, la visite d&#8217;une entreprise de d\u00e9colletage, \u00e9quip\u00e9e des deux machines, valide le choix de MPM d&#8217;investir dans le tour Citizen-Miyano BNJ 42\/51.<br \/>\n<img decoding=\"async\" class=\" alignleft size-full wp-image-3056\" src=\"https:\/\/micronora.com\/wp-content\/uploads\/2022\/01\/157-011-002.jpg\" alt=\"157-011-002.jpg\" data-description=\"Pi\u00e8ces r\u00e9alis\u00e9es avec le tour BJN.\" align=\"left\" width=\"848\" height=\"567\" \/><\/p>\n<h2>un gain de temps d&#8217;usinage de 20\u00a0%<\/h2>\n<p><em>&#8220;L&#8217;entreprise visit\u00e9e avait du recul et a parfaitement identifi\u00e9 les avantages de cette machine&#8221;<\/em>, pr\u00e9cise Simon Hetier. <em>&#8220;Notamment la facilit\u00e9 de montage et la tenue de cote, atouts de premier ordre, surtout quand le march\u00e9 glisse vers la petite s\u00e9rie.&#8221;<\/em> Comme tous les tours Miyano, le BNJ est dot\u00e9 d&#8217;un b\u00e2ti en fonte monobloc, de glissi\u00e8res prismatiques gratt\u00e9es sur tous les axes, synonymes de rigidit\u00e9 et de pr\u00e9cision. Au d\u00e9marrage, gr\u00e2ce au syst\u00e8me de compensation thermique, la machine est rapidement op\u00e9rationnelle. <em>&#8220;Nous \u00e9tions d\u00e9j\u00e0 convaincus par la robustesse et la fiabilit\u00e9 des machines Citizen. En 15 ans, nous n&#8217;avons jamais eu de grosses pannes&#8221;<\/em>, affirme le responsable. Une fois la d\u00e9cision prise, MPM souhaite exploiter les capacit\u00e9s du tour le plus vite possible. Alors, Hestika France forme rapidement les utilisateurs sur le tour BNJ, ceux-ci connaissant d\u00e9j\u00e0 l&#8217;environnement de la commande num\u00e9rique Fanuc. Deux personnes travaillent maintenant sur plusieurs machines, dont le tour BNJ et une machine de r\u00e9glage. <em>&#8220;Avec une \u00e9quipe particuli\u00e8rement l\u00e9g\u00e8re, il \u00e9tait important que la mise en \u0153uvre soit rapide pour faire le maximum de montages&#8221;<\/em>, confirme Simon Hetier. <em>&#8220;Sur le tour Citizen-Miyano BNJ 42\/51, l&#8217;interface a \u00e9t\u00e9 am\u00e9lior\u00e9e rendant l&#8217;exp\u00e9rience utilisateur plus efficace. En comparaison avec nos machines qui ont environ dix ans et pour les m\u00eames pi\u00e8ces (pr\u00e9cision inf\u00e9rieure \u00e0 20\u00a0m\u00b5), nous constatons des gains de temps de 20\u00a0% en montage et de 20 \u00e0 30\u00a0% en usinage gr\u00e2ce aux tourelles et \u00e0 la diminution des mouvements non productifs. De plus, le tour fait preuve d&#8217;une grande fiabilit\u00e9 et n\u00e9cessite moins de contr\u00f4le.&#8221;<\/em> En cas de difficult\u00e9s, les sp\u00e9cialistes d&#8217;Hestika France apportent rapidement des r\u00e9ponses pour savoir, par exemple, comment programmer une pi\u00e8ce. Ou encore pour retrouver le niveau de pr\u00e9cision en cas de collision.<br \/>\n<em>&#8220;Nous souhaitons rester sur la m\u00eame dynamique pour faire monter en comp\u00e9tence nos \u00e9quipes et envisageons d&#8217;investir prochainement dans un second tour BNJ&#8221;<\/em>, conclut Simon Hetier.<br \/>\nwww.hestika-citizen.fr<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Habitu\u00e9e \u00e0 des s\u00e9ries de plusieurs milliers de pi\u00e8ces, la  [&#8230;]<\/p>\n","protected":false},"author":1,"featured_media":1765979584,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[68,94,81],"tags":[101],"class_list":["post-6350","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-machines-et-leurs-equipements","category-production","category-usinage-micro-usinage","tag-micronora-informations-n157-janvier-2022"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - 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