{"id":2939,"date":"2026-10-14T09:06:20","date_gmt":"2026-10-14T09:06:20","guid":{"rendered":"https:\/\/jiangxingbentwood.com\/?page_id=2939"},"modified":"2026-10-18T21:14:02","modified_gmt":"2026-10-18T21:14:02","slug":"faq-contreplaque-cintre","status":"publish","type":"page","link":"https:\/\/jiangxingbentwood.com\/fr\/faq-contreplaque-cintre\/","title":{"rendered":"FAQ contreplaqu\u00e9 cintr\u00e9"},"content":{"rendered":"<!-- JX-FAQSPLIT -->\n\n<!-- JX-METADESC -->\n<meta name=\"description\" content=\"Bent plywood FAQ: core materials, ply count, minimum bend radius, steam vs press-curving, glue compliance and CNC machining for curved parts.\" \/>\n\n<p>Le contreplaqu\u00e9 cintr\u00e9 est la pi\u00e8ce ma\u00eetresse des composants de mobilier courb\u00e9s : un c\u0153ur de placage contre-coll\u00e9 se cintre dans le sens travers, sans le risque de fente du bois massif, et tient une courbe plus serr\u00e9e et plus r\u00e9guli\u00e8re. Ces r\u00e9ponses couvrent la construction, le rayon de cintrage, la finition et la fa\u00e7on de sp\u00e9cifier une pi\u00e8ce en contreplaqu\u00e9 cintr\u00e9 pour la production.<\/p>\n<p><em>Page cr\u00e9\u00e9e le 14\/10\/2026.<\/em><\/p>\n<h2>Questions et r\u00e9ponses<\/h2>\n<h3 id=\"q-1\">Quel est le rayon de cintrage minimal pour le contreplaqu\u00e9 cintr\u00e9 ?<\/h3>\n<p>Pour le contreplaqu\u00e9 stratifi\u00e9, le rayon de cintrage pratique est d&rsquo;environ 5 \u00e0 10 fois l&rsquo;\u00e9paisseur du panneau, soit 5 \u00e0 20 fois plus serr\u00e9 que le bois massif de m\u00eame section. Un panneau de bouleau de 10 mm peut g\u00e9n\u00e9ralement \u00eatre form\u00e9 sur un rayon int\u00e9rieur de 50 \u00e0 100 mm ; en dessous, il faut des placages plus \u00e9pais ou un pressage plus fr\u00e9quent.<\/p>\n<h3 id=\"q-2\">Quel mat\u00e9riau de c\u0153ur choisir pour le contreplaqu\u00e9 cintr\u00e9 ?<\/h3>\n<p>Le bouleau donne le cintrage le plus propre et une finition claire, le peuplier (tremble) est plus facile \u00e0 former et plus l\u00e9ger, et le contreplaqu\u00e9 de bouleau est courant pour les coques de si\u00e8ge structurelles. Nous fournissons des panneaux \u00e0 c\u0153ur bouleau, \u00e0 c\u0153ur peuplier et \u00e0 c\u0153ur mixte, avec du mat\u00e9riel FSC ou PEFC sur demande.<\/p>\n<h3 id=\"q-3\">Combien de plis doit avoir un panneau courb\u00e9 ?<\/h3>\n<p>Moins de plis permettent un rayon plus serr\u00e9 ; plus de plis donnent une courbe continue plus lisse et un meilleur tenue des vis. Les coques de si\u00e8ge ont couramment 9 \u00e0 15 plis, tandis que les panneaux d&rsquo;\u00e9clairage et d\u00e9coratifs utilisent 5 \u00e0 9 plis. Nous pouvons conseiller la stratification adapt\u00e9e \u00e0 votre rayon et \u00e0 votre charge.<\/p>\n<h3 id=\"q-4\">Cintrage \u00e0 la vapeur ou cintrage \u00e0 la presse \u2014 lequel convient au contreplaqu\u00e9 ?<\/h3>\n<p>Le cintrage \u00e0 la presse dans un moule chauff\u00e9 est plus rapide, plus reproductible et dimensionnellement stable \u2014 c&rsquo;est notre m\u00e9thode par d\u00e9faut pour le contreplaqu\u00e9. Le cintrage \u00e0 la vapeur convient aux panneaux plus \u00e9pais et aux tr\u00e8s grands rayons. La plupart des commandes de production sont press\u00e9es ; la vapeur est utilis\u00e9e lorsque le dessin l&rsquo;exige.<\/p>\n<h3 id=\"q-5\">Quelle colle est utilis\u00e9e et est-elle conforme ?<\/h3>\n<p>Nous utilisons des colles PU et PVA conformes \u00e0 CARB Phase 2 et TSCA Title VI pour la qualit\u00e9 de l&rsquo;air int\u00e9rieur, avec des classes d&rsquo;\u00e9mission de formald\u00e9hyde disponibles sur demande. Tous les panneaux stratifi\u00e9s sont enti\u00e8rement durcis et calibr\u00e9s \u00e0 la presse avant usinage.<\/p>\n<h3 id=\"q-6\">Quelle est la pr\u00e9cision des panneaux courb\u00e9s finis ?<\/h3>\n<p>Nous tenons une tol\u00e9rance dimensionnelle de \u00b10,5 mm sur les formes usin\u00e9es apr\u00e8s s\u00e9chage. La courbure est v\u00e9rifi\u00e9e sur un gabarit \u00e0 la presse puis \u00e0 nouveau apr\u00e8s conditionnement, afin que les pi\u00e8ces s&rsquo;ajustent de fa\u00e7on constante sur toute une s\u00e9rie.<\/p>\n<h3 id=\"q-7\">Pouvez-vous fournir des pi\u00e8ces en contreplaqu\u00e9 cintr\u00e9 avec des formes usin\u00e9es CNC ?<\/h3>\n<p>Oui. Nous usinons par CNC les per\u00e7ages, fraisages et poches apr\u00e8s formage, afin que vous receviez des composants pr\u00eats \u00e0 monter, avec des positions de trous et des faces de r\u00e9f\u00e9rence constantes pour les gabarits.<\/p>\n<h2>Questions li\u00e9es<\/h2>\n<ul><li><a href=\"https:\/\/jiangxingbentwood.com\/faq-solid-bent-wood\/\">FAQ bois massif cintr\u00e9<\/a><\/li>\n<li><a href=\"https:\/\/jiangxingbentwood.com\/faq-steam-bending\/\">FAQ du proc\u00e9d\u00e9 de cintrage \u00e0 la vapeur<\/a><\/li>\n<li><a href=\"https:\/\/jiangxingbentwood.com\/faq-oem-order\/\">FAQ OEM, MOQ et d\u00e9lais<\/a><\/li><\/ul>\n<h2>Mat\u00e9riaux et services<\/h2>\n<ul><li><a href=\"https:\/\/jiangxingbentwood.com\/bent-ash-wood\/\">Fr\u00eane cintr\u00e9<\/a><\/li>\n<li><a href=\"https:\/\/jiangxingbentwood.com\/bent-beech-wood\/\">H\u00eatre cintr\u00e9<\/a><\/li>\n<li><a href=\"https:\/\/jiangxingbentwood.com\/bent-birch-plywood\/\">Contreplaqu\u00e9 de bouleau cintr\u00e9<\/a><\/li>\n<li><a href=\"https:\/\/jiangxingbentwood.com\/bent-walnut-wood\/\">Noyer cintr\u00e9<\/a><\/li><\/ul>\n<h2>Encore une question ?<\/h2>\n<p>Envoyez-nous votre dessin, votre rayon et la dimension de la section : nous confirmerons la faisabilit\u00e9, l&rsquo;outillage et le d\u00e9lai. Vous pouvez aussi<a href=\"https:\/\/jiangxingbentwood.com\/fr\/contact\/\">demander un devis<\/a>ou nous \u00e9crire sur<a href=\"https:\/\/wa.me\/8618566415584\" target=\"_blank\" rel=\"noopener\">WhatsApp<\/a>.<\/p>\n<p><a href=\"https:\/\/jiangxingbentwood.com\/faq\/\">Retour \u00e0 toutes les FAQ<\/a><\/p>\n<script type=\"application\/ld+json\">{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is the minimum bend radius for bent plywood?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"For laminated plywood the practical bend radius is roughly 5 to 10 times the panel thickness, which is 5 to 20 times tighter than solid wood of the same section. A 10mm birch panel can typically be formed to a 50 to 100mm inside radius; below that you need thicker veneers or more frequent pressing.\"}}, {\"@type\": \"Question\", \"name\": \"Which core material should I choose for bent plywood?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Birch gives the cleanest bend and a pale finish, poppler (aspen) is easier to form and lighter, and birch-plywood is common for structural chair shells. We supply birch-core, poplar-core and mixed-core panels, with FSC or PEFC chain-of-custody material on request.\"}}, {\"@type\": \"Question\", \"name\": \"How many plies should a curved panel have?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Fewer plies allow a tighter radius; more plies give a smoother continuous curve and better screw-holding. Furniture chair shells are commonly 9 to 15 ply, while lighting and decorative panels use 5 to 9 ply. We can advise the lay-up for your radius and load.\"}}, {\"@type\": \"Question\", \"name\": \"Steam bending or press-curving - which is better for plywood?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Press-curving in a heated mould is faster, more repeatable and dimensionally stable, and it is our default for plywood. Steam bending suits thicker panels and very large radii. Most production orders are pressed; steam is used where the drawing calls for it.\"}}, {\"@type\": \"Question\", \"name\": \"What glue is used and is it compliant?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"We use PU and PVA adhesives that meet CARB Phase 2 and TSCA Title VI for indoor air quality, with formaldehyde-emission classes available on request. All laminated panels are fully cured and press-dimmed before machining.\"}}, {\"@type\": \"Question\", \"name\": \"How accurate are the finished curved panels?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"We hold dimensional tolerance of \u00b10.5mm on machined features after drying. Curvature is checked on a template at the press and again after conditioning, so parts fit consistently across a production run.\"}}, {\"@type\": \"Question\", \"name\": \"Can you supply curved plywood parts with CNC-machined features?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. We CNC-machine drilling, routing and pocket features after forming, so you receive ready-to-assemble components with consistent hole positions and reference faces for jigs.\"}}]}<\/script>\n\n","protected":false},"excerpt":{"rendered":"<p>Le contreplaqu\u00e9 cintr\u00e9 est la pi\u00e8ce ma\u00eetresse des composants de mobilier courb\u00e9s : un c\u0153ur de placage contre-coll\u00e9 se cintre dans le sens travers, sans le risque de fente du bois massif, et tient une courbe plus serr\u00e9e et plus r\u00e9guli\u00e8re. Ces r\u00e9ponses couvrent la construction, le rayon de cintrage, la finition et la fa\u00e7on [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-2939","page","type-page","status-publish","hentry"],"blocksy_meta":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.7 (Yoast SEO v28.1) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>FAQ contreplaqu\u00e9 cintr\u00e9 - JiangXing Bent Wood<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/jiangxingbentwood.com\/fr\/faq-contreplaque-cintre\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"FAQ contreplaqu\u00e9 cintr\u00e9\" \/>\n<meta property=\"og:description\" content=\"Le contreplaqu\u00e9 cintr\u00e9 est la pi\u00e8ce ma\u00eetresse des composants de mobilier courb\u00e9s : un c\u0153ur de placage contre-coll\u00e9 se cintre dans le sens travers, sans le risque de fente du bois massif, et tient une courbe plus serr\u00e9e et plus r\u00e9guli\u00e8re. 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