{"id":631,"date":"2026-04-12T05:54:14","date_gmt":"2026-04-12T05:54:14","guid":{"rendered":"https:\/\/cnc-mastery.com\/curso\/?p=631"},"modified":"2026-04-30T20:28:17","modified_gmt":"2026-04-30T20:28:17","slug":"leccion-13-inductores","status":"publish","type":"post","link":"https:\/\/cnc-mastery.com\/curso\/leccion-13-inductores\/","title":{"rendered":"Lecci\u00f3n 13: Inductores"},"content":{"rendered":"\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Inductores EXPLICADOS F\u00c1CIL \u26a1 Aprende c\u00f3mo funcionan (Ley de Lenz, AC\/DC y Aplicaci\u00f3n REAL en CNC)\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/YGichxJrPMQ?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Inductores y Electromagnetismo<\/strong> es la base fundamental para comprender c\u00f3mo funcionan los motores de una m\u00e1quina CNC, los transformadores y los actuadores. Mientras que el capacitor almacena energ\u00eda en un campo el\u00e9ctrico, el inductor lo hace en un <strong>campo magn\u00e9tico<\/strong>.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h4 class=\"wp-block-heading\">1. El Concepto de Electromagnetismo<\/h4>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/cnc-mastery.com\/curso\/wp-content\/uploads\/2026\/04\/electromagnetismo-1024x683.png\" alt=\"\" class=\"wp-image-641\" srcset=\"https:\/\/cnc-mastery.com\/curso\/wp-content\/uploads\/2026\/04\/electromagnetismo-1024x683.png 1024w, https:\/\/cnc-mastery.com\/curso\/wp-content\/uploads\/2026\/04\/electromagnetismo-300x200.png 300w, https:\/\/cnc-mastery.com\/curso\/wp-content\/uploads\/2026\/04\/electromagnetismo-768x512.png 768w, https:\/\/cnc-mastery.com\/curso\/wp-content\/uploads\/2026\/04\/electromagnetismo.png 1536w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">El electromagnetismo es la relaci\u00f3n f\u00edsica entre la electricidad y el magnetismo. Descubrimos que cuando una corriente el\u00e9ctrica fluye a trav\u00e9s de un conductor, se genera un campo magn\u00e9tico a su alrededor.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Experimento de Oersted<\/strong>: Si colocas una br\u00fajula cerca de un cable con corriente, la aguja se mover\u00e1, demostrando la existencia de este campo.<\/li>\n\n\n\n<li><strong>Regla de la Mano Derecha<\/strong>: Si apuntas tu pulgar en la direcci\u00f3n de la corriente (I), tus dedos se cerrar\u00e1n en la direcci\u00f3n de las l\u00edneas del campo magn\u00e9tico (B).<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h4 class=\"wp-block-heading\">2. \u00bfQu\u00e9 es un Inductor (Bobina)?<\/h4>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"559\" src=\"https:\/\/cnc-mastery.com\/curso\/wp-content\/uploads\/2026\/04\/inductor_mod-1-1024x559.png\" alt=\"\" class=\"wp-image-644\" srcset=\"https:\/\/cnc-mastery.com\/curso\/wp-content\/uploads\/2026\/04\/inductor_mod-1-1024x559.png 1024w, https:\/\/cnc-mastery.com\/curso\/wp-content\/uploads\/2026\/04\/inductor_mod-1-300x164.png 300w, https:\/\/cnc-mastery.com\/curso\/wp-content\/uploads\/2026\/04\/inductor_mod-1-768x419.png 768w, https:\/\/cnc-mastery.com\/curso\/wp-content\/uploads\/2026\/04\/inductor_mod-1.png 1408w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Un inductor es simplemente un alambre conductor enrollado en forma de h\u00e9lice. Al enrollarlo, los campos magn\u00e9ticos de cada vuelta se suman, creando un campo mucho m\u00e1s fuerte en el centro.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Unidad de medida<\/strong>: El <strong>Henrio (H)<\/strong>.<\/li>\n\n\n\n<li><strong>Unidad com\u00fan<\/strong>: En electr\u00f3nica peque\u00f1a usamos milihenrios (_mH) o microhenrios (_uH).<\/li>\n\n\n\n<li><strong>S\u00edmbolo<\/strong>: Un espiral o una serie de semic\u00edrculos.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h4 class=\"wp-block-heading\">3. Funcionamiento y la Ley de Lenz<\/h4>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"559\" src=\"https:\/\/cnc-mastery.com\/curso\/wp-content\/uploads\/2026\/04\/ley_de_lenz-1024x559.png\" alt=\"\" class=\"wp-image-646\" srcset=\"https:\/\/cnc-mastery.com\/curso\/wp-content\/uploads\/2026\/04\/ley_de_lenz-1024x559.png 1024w, https:\/\/cnc-mastery.com\/curso\/wp-content\/uploads\/2026\/04\/ley_de_lenz-300x164.png 300w, https:\/\/cnc-mastery.com\/curso\/wp-content\/uploads\/2026\/04\/ley_de_lenz-768x419.png 768w, https:\/\/cnc-mastery.com\/curso\/wp-content\/uploads\/2026\/04\/ley_de_lenz-1536x838.png 1536w, https:\/\/cnc-mastery.com\/curso\/wp-content\/uploads\/2026\/04\/ley_de_lenz-2048x1117.png 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">La caracter\u00edstica principal de un inductor es su <strong>Inercia El\u00e9ctrica<\/strong>. El inductor se opone a cualquier cambio brusco en la corriente que lo atraviesa.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Almacenamiento<\/strong>: Cuando la corriente aumenta, el inductor absorbe energ\u00eda para crear el campo magn\u00e9tico.<\/li>\n\n\n\n<li><strong>Liberaci\u00f3n<\/strong>: Cuando la corriente intenta bajar, el campo magn\u00e9tico colapsa y &#8220;empuja&#8221; la corriente para mantenerla fluyendo un poco m\u00e1s.<\/li>\n\n\n\n<li><strong>Ley de Lenz<\/strong>: Establece que la direcci\u00f3n de la corriente inducida siempre es tal que se opone a la causa que la produce.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h4 class=\"wp-block-heading\">4. Tipos de Inductores<\/h4>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"833\" height=\"314\" src=\"https:\/\/cnc-mastery.com\/curso\/wp-content\/uploads\/2026\/04\/tipos_inductores-1.png\" alt=\"\" class=\"wp-image-649\" srcset=\"https:\/\/cnc-mastery.com\/curso\/wp-content\/uploads\/2026\/04\/tipos_inductores-1.png 833w, https:\/\/cnc-mastery.com\/curso\/wp-content\/uploads\/2026\/04\/tipos_inductores-1-300x113.png 300w, https:\/\/cnc-mastery.com\/curso\/wp-content\/uploads\/2026\/04\/tipos_inductores-1-768x289.png 768w\" sizes=\"auto, (max-width: 833px) 100vw, 833px\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>N\u00facleo de Aire<\/strong>: Usados en aplicaciones de alta frecuencia (radio).<\/li>\n\n\n\n<li><strong>N\u00facleo de Ferrita o Hierro<\/strong>: El n\u00facleo concentra las l\u00edneas de campo, aumentando dr\u00e1sticamente la inductancia sin a\u00f1adir m\u00e1s cable.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h4 class=\"wp-block-heading\">5. Aplicaciones Cr\u00edticas en CNC<\/h4>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"559\" src=\"https:\/\/cnc-mastery.com\/curso\/wp-content\/uploads\/2026\/04\/stepper_relay_transformador_1-1-1024x559.png\" alt=\"\" class=\"wp-image-653\" srcset=\"https:\/\/cnc-mastery.com\/curso\/wp-content\/uploads\/2026\/04\/stepper_relay_transformador_1-1-1024x559.png 1024w, https:\/\/cnc-mastery.com\/curso\/wp-content\/uploads\/2026\/04\/stepper_relay_transformador_1-1-300x164.png 300w, https:\/\/cnc-mastery.com\/curso\/wp-content\/uploads\/2026\/04\/stepper_relay_transformador_1-1-768x419.png 768w, https:\/\/cnc-mastery.com\/curso\/wp-content\/uploads\/2026\/04\/stepper_relay_transformador_1-1-1536x838.png 1536w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Este tema es vital por tres razones principales:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Motores a Pasos (Steppers)<\/strong>: Los motores de un CNC son, en esencia, grandes inductores. El controlador env\u00eda pulsos de corriente para crear campos magn\u00e9ticos que mueven el rotor.<\/li>\n\n\n\n<li><strong>Rel\u00e9s (Relays)<\/strong>: Usan una peque\u00f1a bobina para crear un im\u00e1n que cierra un interruptor mec\u00e1nico de alta potencia.<\/li>\n\n\n\n<li><strong>Transformadores<\/strong>: Usan la inducci\u00f3n electromagn\u00e9tica para subir o bajar el voltaje de la red el\u00e9ctrica para alimentar la m\u00e1quina.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h4 class=\"wp-block-heading\">6. El Peligro del &#8220;Pico de Voltaje&#8221; (Back EMF)<\/h4>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"466\" height=\"277\" src=\"https:\/\/cnc-mastery.com\/curso\/wp-content\/uploads\/2026\/04\/rele-diodo.png\" alt=\"\" class=\"wp-image-656\" srcset=\"https:\/\/cnc-mastery.com\/curso\/wp-content\/uploads\/2026\/04\/rele-diodo.png 466w, https:\/\/cnc-mastery.com\/curso\/wp-content\/uploads\/2026\/04\/rele-diodo-300x178.png 300w\" sizes=\"auto, (max-width: 466px) 100vw, 466px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Cuando apagas repentinamente la corriente de un inductor (como un motor CNC), el campo magn\u00e9tico colapsa tan r\u00e1pido que genera un pico de voltaje muy alto en sentido contrario.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Soluci\u00f3n<\/strong>: Se utiliza un <strong>Diodo Volante (Flyback Diode)<\/strong> para darle un camino seguro a esa energ\u00eda y evitar que queme los transistores del controlador.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h5 class=\"wp-block-heading\">Actividad sugerida:<\/h5>\n\n\n\n<p class=\"wp-block-paragraph\">acerca un objeto met\u00e1lico peque\u00f1o a un motor a pasos mientras est\u00e1 bloqueado (con corriente); sentir\u00e1n la fuerza del campo magn\u00e9tico generado por la inducci\u00f3n.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-3e41869c wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/cnc-mastery.com\/curso\/temas\/inductores_es.html\">Clase Magistral &#8211; Inductores<\/a><\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Inductores y Electromagnetismo es la base fundamental para comprender c\u00f3mo funcionan los motores de una m\u00e1quina CNC, los transformadores y [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[8],"tags":[],"class_list":["post-631","post","type-post","status-publish","format-standard","hentry","category-unidad-2"],"_links":{"self":[{"href":"https:\/\/cnc-mastery.com\/curso\/wp-json\/wp\/v2\/posts\/631","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cnc-mastery.com\/curso\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cnc-mastery.com\/curso\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cnc-mastery.com\/curso\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/cnc-mastery.com\/curso\/wp-json\/wp\/v2\/comments?post=631"}],"version-history":[{"count":14,"href":"https:\/\/cnc-mastery.com\/curso\/wp-json\/wp\/v2\/posts\/631\/revisions"}],"predecessor-version":[{"id":658,"href":"https:\/\/cnc-mastery.com\/curso\/wp-json\/wp\/v2\/posts\/631\/revisions\/658"}],"wp:attachment":[{"href":"https:\/\/cnc-mastery.com\/curso\/wp-json\/wp\/v2\/media?parent=631"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cnc-mastery.com\/curso\/wp-json\/wp\/v2\/categories?post=631"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cnc-mastery.com\/curso\/wp-json\/wp\/v2\/tags?post=631"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}