{"id":3668,"date":"2026-10-14T09:06:26","date_gmt":"2026-10-14T09:06:26","guid":{"rendered":"https:\/\/jiangxingbentwood.com\/faq-sobre-el-curvado-al-vapor\/"},"modified":"2026-10-22T18:04:44","modified_gmt":"2026-10-22T18:04:44","slug":"faq-sobre-el-curvado-al-vapor","status":"publish","type":"page","link":"https:\/\/jiangxingbentwood.com\/es\/faq-sobre-el-curvado-al-vapor\/","title":{"rendered":"FAQ sobre el curvado al vapor"},"content":{"rendered":"<!-- JX-FAQSPLIT -->\n\n<!-- JX-METADESC -->\n<meta name=\"description\" content=\"Steam bending FAQ: plasticisation, steaming time per cm, steel strap and mould tooling, bend radius ratios and how to avoid cracks and case-hardening.\" \/>\n\n<p>El curvado al vapor es el proceso central de nuestra f\u00e1brica: la madera se acondiciona y se cuece al vapor hasta que las fibras de lignina se plastifican, despu\u00e9s se conforma sobre un molde y se mantiene sujeta mientras se enfr\u00eda y se seca. Estas respuestas explican c\u00f3mo funciona el proceso y qu\u00e9 comprobamos en cada etapa.<\/p>\n<p><em>P\u00e1gina creada el 14\/10\/2026.<\/em><\/p>\n<h2>Preguntas y respuestas<\/h2>\n<h3 id=\"q-1\">\u00bfQu\u00e9 ocurre realmente cuando se cuece la madera al vapor?<\/h3>\n<p>El calor y la humedad plastifican juntos la matriz de lignina entre las fibras de celulosa. Con una humedad de aproximadamente 20\u201325 %, las fibras pueden deslizarse unas sobre otras en lugar de romperse, y eso es lo que permite que una tabla plana siga una curva.<\/p>\n<h3 id=\"q-2\">\u00bfC\u00f3mo se decide el tiempo de vaporizado de una secci\u00f3n?<\/h3>\n<p>El tiempo escala con el espesor, a raz\u00f3n de unos 15 minutos por cent\u00edmetro como regla pr\u00e1ctica. Probamos la secci\u00f3n m\u00e1s delgada y la m\u00e1s gruesa de cada lote para que la pieza entera se curve de forma uniforme y no se rasgue primero la parte delgada.<\/p>\n<h3 id=\"q-3\">\u00bfQu\u00e9 funci\u00f3n cumple el fleje de acero?<\/h3>\n<p>Un fleje de acero comprime las fibras exteriores durante el curvado, de modo que se alargan en lugar de agrietarse. Con fleje, el l\u00edmite de radio mejora hasta aproximadamente 1:2 del espesor; sin fleje, hay que contar con un m\u00ednimo pr\u00e1ctico de unos 1:5.<\/p>\n<h3 id=\"q-4\">\u00bfFabric\u00e1is los moldes de curvado en casa?<\/h3>\n<p>S\u00ed. Los utillajes se desarrollan internamente a partir de su plano o de una muestra f\u00edsica, normalmente en 7 a 15 d\u00edas. Conservamos el utillaje durante toda la vida del programa para que los pedidos repetidos reproduzcan la misma curvatura.<\/p>\n<h3 id=\"q-5\">\u00bfC\u00f3mo evit\u00e1is defectos como grietas y endurecimiento superficial?<\/h3>\n<p>Tres controles: acondicionar la madera de forma homog\u00e9nea antes del vaporizado, curvar dentro de la ventana de tiempo propia de cada especie y secar despacio y de manera uniforme despu\u00e9s. El secado desigual es la causa habitual del endurecimiento superficial, por eso mantenemos las piezas hasta que la humedad es homog\u00e9nea en toda la secci\u00f3n.<\/p>\n<h3 id=\"q-6\">\u00bfCu\u00e1ndo conviene elegir el curvado por prensa en lugar del curvado al vapor?<\/h3>\n<p>El curvado por prensa en molde caliente es m\u00e1s r\u00e1pido y m\u00e1s repetible para secciones macizas delgadas y para todo el contrachapado laminado. El curvado al vapor es la opci\u00f3n correcta para secciones macizas gruesas y radios muy grandes, donde una prensa resultar\u00eda poco pr\u00e1ctica.<\/p>\n<h3 id=\"q-7\">\u00bfQu\u00e9 documentaci\u00f3n debo aportar?<\/h3>\n<p>Basta con un plano con el radio, las dimensiones de la secci\u00f3n y la tolerancia para empezar. Si solo tiene una muestra o un boceto, env\u00edelo: podemos medirlo y reconstruir un plano para su aprobaci\u00f3n antes del utillaje.<\/p>\n<h2>Preguntas relacionadas<\/h2>\n<ul><li><a href=\"https:\/\/jiangxingbentwood.com\/es\/faq-de-madera-maciza-curvada\/\">FAQ madera maciza curvada<\/a><\/li>\n<li><a href=\"https:\/\/jiangxingbentwood.com\/es\/faq-de-contrachapado-curvado\/\">FAQ contrachapado curvado<\/a><\/li>\n<li><a href=\"https:\/\/jiangxingbentwood.com\/es\/faq-de-oem-moq-y-plazos\/\">FAQ de OEM, MOQ y plazos<\/a><\/li><\/ul>\n<h2>Materiales y servicios<\/h2>\n<ul><li><a href=\"https:\/\/jiangxingbentwood.com\/es\/componentes-de-fresno-curvado\/\">Fresno curvado<\/a><\/li>\n<li><a href=\"https:\/\/jiangxingbentwood.com\/es\/componentes-de-haya-curvada\/\">Haya curvada<\/a><\/li>\n<li><a href=\"https:\/\/jiangxingbentwood.com\/es\/servicio-de-curvado-al-vapor\/\">Servicio de curvado al vapor<\/a><\/li><\/ul>\n<h2>\u00bfA\u00fan tiene una pregunta?<\/h2>\n<p>Env\u00edenos su plano, el radio y las dimensiones de la secci\u00f3n y confirmaremos viabilidad, utillaje y plazo. Tambi\u00e9n puede <a href=\"https:\/\/jiangxingbentwood.com\/es\/contacto\/\">solicitar un presupuesto<\/a> o escribirnos por <a href=\"https:\/\/wa.me\/8618566415584\" target=\"_blank\" rel=\"noopener\">WhatsApp<\/a>.<\/p>\n<p><a href=\"https:\/\/jiangxingbentwood.com\/es\/faq-de-madera-curvada\/\">Volver a todas las FAQ<\/a><\/p>\n<script type=\"application\/ld+json\">{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What actually happens when wood is steamed?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Heat and moisture together plasticise the lignin matrix between cellulose fibres. At roughly 20\u201325% moisture the fibres can slide over one another instead of snapping, which is what allows a flat board to follow a curve.\"}}, {\"@type\": \"Question\", \"name\": \"How do you decide the steaming time for a section?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Time scales with thickness, at about 15 minutes per centimetre as a working rule. We test the smallest and thickest section of each batch so the whole part bends uniformly rather than the thin part tearing first.\"}}, {\"@type\": \"Question\", \"name\": \"What is the role of a steel strap?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"A steel strap compresses the outer fibres during bending so they stretch rather than crack. With a strap the radius limit improves to about 1:2 of thickness; without it, expect around 1:5 to be the practical floor.\"}}, {\"@type\": \"Question\", \"name\": \"Do you build the bending moulds in-house?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. Tooling is developed in-house from your drawing or a physical sample, typically in 7 to 15 days. We keep tooling on file for the life of the programme so repeat orders reproduce the same curvature.\"}}, {\"@type\": \"Question\", \"name\": \"How do you avoid defects such as cracks and case-hardening?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Three controls: condition the stock evenly before steaming, bend within the species-specific time window, and dry slowly and evenly afterwards. Uneven drying is the usual cause of case-hardening, so we hold the parts until moisture is even through the section.\"}}, {\"@type\": \"Question\", \"name\": \"When should I choose press-curving instead of steam bending?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Press-curving in a heated mould is faster and more repeatable for thinner solid sections and all laminated plywood. Steam bending is the right choice for thick solid sections and very large radii where a press would be impractical.\"}}, {\"@type\": \"Question\", \"name\": \"What tooling do I need to provide?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"A drawing with the radius, section dimensions and tolerance is enough to start. If you only have a sample or a sketch, send it - we can measure it and reverse engineer a drawing for your approval before tooling.\"}}]}<\/script>\n\n","protected":false},"excerpt":{"rendered":"<p>El curvado al vapor es el proceso central de nuestra f\u00e1brica: la madera se acondiciona y se cuece al vapor hasta que las fibras de lignina se plastifican, despu\u00e9s se conforma sobre un molde y se mantiene sujeta mientras se enfr\u00eda y se seca. Estas respuestas explican c\u00f3mo funciona el proceso y qu\u00e9 comprobamos en [&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-3668","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 sobre el curvado al vapor - 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\/es\/faq-sobre-el-curvado-al-vapor\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"FAQ sobre el curvado al vapor\" \/>\n<meta property=\"og:description\" content=\"El curvado al vapor es el proceso central de nuestra f\u00e1brica: la madera se acondiciona y se cuece al vapor hasta que las fibras de lignina se plastifican, despu\u00e9s se conforma sobre un molde y se mantiene sujeta mientras se enfr\u00eda y se seca. 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