{"id":1066,"date":"2022-05-19T14:38:36","date_gmt":"2022-05-19T14:38:36","guid":{"rendered":"https:\/\/evergreenmetal.co\/wp\/?page_id=1066"},"modified":"2022-05-19T14:47:23","modified_gmt":"2022-05-19T14:47:23","slug":"toroidal-cores","status":"publish","type":"page","link":"https:\/\/evergreenmetal.co\/wp\/toroidal-cores\/","title":{"rendered":"Toroidal Cores"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"1066\" class=\"elementor elementor-1066\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-bc48769 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"bc48769\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-8fa271b\" data-id=\"8fa271b\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-3f9c059 elementor-widget elementor-widget-heading\" data-id=\"3f9c059\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">Toroidal Cores<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d0b20d2 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"d0b20d2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-6aff979 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6aff979\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-top-column elementor-element elementor-element-ffcf270\" data-id=\"ffcf270\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-5f69de2 elementor-widget elementor-widget-image\" data-id=\"5f69de2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/evergreenmetal.co\/wp\/wp-content\/uploads\/2022\/05\/Toroid_core-1024x768.png\" class=\"attachment-large size-large wp-image-1068\" alt=\"Toroid Core\" srcset=\"https:\/\/evergreenmetal.co\/wp\/wp-content\/uploads\/2022\/05\/Toroid_core-1024x768.png 1024w, https:\/\/evergreenmetal.co\/wp\/wp-content\/uploads\/2022\/05\/Toroid_core-300x225.png 300w, https:\/\/evergreenmetal.co\/wp\/wp-content\/uploads\/2022\/05\/Toroid_core-768x576.png 768w, https:\/\/evergreenmetal.co\/wp\/wp-content\/uploads\/2022\/05\/Toroid_core.png 1280w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ed808b2 elementor-widget elementor-widget-heading\" data-id=\"ed808b2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Toroidal Transformer Basics<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-68a969e elementor-widget elementor-widget-text-editor\" data-id=\"68a969e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>A toroid is a doughnut-shaped object whose surface is a torus. Its annular shape is generated by revolving a circle around an axis external to the circle.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7ee3ec9 elementor-widget elementor-widget-text-editor\" data-id=\"7ee3ec9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>A coil of insulated wire in a doughnut shape (usually with a core of iron or similar metal) is an example of a toroidal object. These are used as inductors in circuits such as low frequency transmitters and receivers because they possess higher inductance and carry greater current than similarly constructed solenoids. They are also used as transformers in main power supplies. Toroidal coils reduce resistance, due to the larger diameter and smaller number of windings. The magnetic flux in a toroid is confined to the core, preventing its energy from being absorbed by nearby objects.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7a5b425 elementor-widget elementor-widget-text-editor\" data-id=\"7a5b425\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>In the geometry of torus-shaped magnetic fields, the poloidal flux direction threads the &#8220;donut hole&#8221; in the center of the torus, while the toroidal flux direction is parallel the core of the torus.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-05a1341 elementor-widget elementor-widget-heading\" data-id=\"05a1341\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h5 class=\"elementor-heading-title elementor-size-default\">Advantages of Toroidal Power Transformers<\/h5>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0f2d176 elementor-widget elementor-widget-text-editor\" data-id=\"0f2d176\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Toroidal transformers offer many advantages over standard laminated power transformers. Toroidals provide quiet, efficient operation with very low stray magnetic fields. Their small size and weight support a package that is easy to design into any application.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-top-column elementor-element elementor-element-152c534\" data-id=\"152c534\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-297f195 elementor-widget elementor-widget-image\" data-id=\"297f195\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/evergreenmetal.co\/wp\/wp-content\/uploads\/2022\/05\/Toroidal-core-manufacturing-1-1024x683.jpg\" class=\"attachment-large size-large wp-image-928\" alt=\"Toroidal core manufacturer\" srcset=\"https:\/\/evergreenmetal.co\/wp\/wp-content\/uploads\/2022\/05\/Toroidal-core-manufacturing-1-1024x683.jpg 1024w, https:\/\/evergreenmetal.co\/wp\/wp-content\/uploads\/2022\/05\/Toroidal-core-manufacturing-1-300x200.jpg 300w, https:\/\/evergreenmetal.co\/wp\/wp-content\/uploads\/2022\/05\/Toroidal-core-manufacturing-1-768x512.jpg 768w, https:\/\/evergreenmetal.co\/wp\/wp-content\/uploads\/2022\/05\/Toroidal-core-manufacturing-1-1536x1024.jpg 1536w, https:\/\/evergreenmetal.co\/wp\/wp-content\/uploads\/2022\/05\/Toroidal-core-manufacturing-1.jpg 1920w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bdbc86c elementor-widget elementor-widget-heading\" data-id=\"bdbc86c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Manufacturing Toroidal Core Process<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-85492f6 elementor-widget elementor-widget-text-editor\" data-id=\"85492f6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>The manufacturing of strips wound cores is a specialized process, which requires a high degree of precision. These cores are manufactured from selected coils of CRGO electrical steel to yield closely controlled electro-magnetic characteristics and dimensional accuracy.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a77debc elementor-widget elementor-widget-text-editor\" data-id=\"a77debc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Cores are wound after slitting is done as per the required shape, on the core winding machine. The Winding Machine automatically stops when the pre-decided dimension is reached. The start and finish ends are firmly spot welded. After winding, the cores are stress-relief annealed to restore the magnetic properties. The cores are bonded where necessary, to provide increased firmness. All cores are spray painted and are tested for magnetic properties.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-top-column elementor-element elementor-element-79239f2\" data-id=\"79239f2\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-68af7b3 elementor-widget elementor-widget-image\" data-id=\"68af7b3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1024\" height=\"732\" src=\"https:\/\/evergreenmetal.co\/wp\/wp-content\/uploads\/2022\/05\/Evergreen-Metal-Works-Transformer-Core-Lamination-testing-06-1024x732.jpg\" class=\"attachment-large size-large wp-image-920\" alt=\"\" srcset=\"https:\/\/evergreenmetal.co\/wp\/wp-content\/uploads\/2022\/05\/Evergreen-Metal-Works-Transformer-Core-Lamination-testing-06-1024x732.jpg 1024w, https:\/\/evergreenmetal.co\/wp\/wp-content\/uploads\/2022\/05\/Evergreen-Metal-Works-Transformer-Core-Lamination-testing-06-300x215.jpg 300w, https:\/\/evergreenmetal.co\/wp\/wp-content\/uploads\/2022\/05\/Evergreen-Metal-Works-Transformer-Core-Lamination-testing-06-768x549.jpg 768w, https:\/\/evergreenmetal.co\/wp\/wp-content\/uploads\/2022\/05\/Evergreen-Metal-Works-Transformer-Core-Lamination-testing-06-1536x1099.jpg 1536w, https:\/\/evergreenmetal.co\/wp\/wp-content\/uploads\/2022\/05\/Evergreen-Metal-Works-Transformer-Core-Lamination-testing-06.jpg 1903w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0107bcb elementor-widget elementor-widget-heading\" data-id=\"0107bcb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Testing<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-439ef60 elementor-widget elementor-widget-text-editor\" data-id=\"439ef60\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Strip wound cores, unlike strip lamination, constitute a complete product and every core must meet the specified performance requirement. Consequently, quality control in the manufacturing of wound cores is vitally important at every stage of process.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-98fd4fc elementor-widget elementor-widget-heading\" data-id=\"98fd4fc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Dimensional Tolerances<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f3d92a8 elementor-widget elementor-widget-text-editor\" data-id=\"f3d92a8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>The coils of CRGO Steel from which the cores are manufactured are carefully selected on the basis of tests carried in our laboratories to ensure that the correct grade of steel is used. Strict checks are made at every stage from winding to the final stage of spray painting to ensure that the finished product is of a high quality. Moreover, each core is subject to inspection and electrical tests to make certain that our customers are provided with the specified performance requirement. Apart from being fully equipped to meet the exacting standards of testing required, EVERGREEN possesses the technical know how, the research facilities and the necessary raw-materials.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-9b78f80 elementor-section-full_width elementor-section-height-default elementor-section-height-default\" data-id=\"9b78f80\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t\t<div class=\"elementor-background-overlay\"><\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-d058c1d\" data-id=\"d058c1d\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Toroidal Cores Toroidal Transformer Basics A toroid is a doughnut-shaped object whose surface is a torus. Its annular shape is generated by revolving a circle around an axis external to the circle. A coil of insulated wire in a doughnut shape (usually with a core of iron or similar metal) is an example of a [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"om_disable_all_campaigns":false,"site-sidebar-layout":"no-sidebar","site-content-layout":"page-builder","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":"disabled","ast-breadcrumbs-content":"disabled","ast-featured-img":"disabled","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"enabled","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":"","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-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":"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":""},"mobile":{"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":""}},"footnotes":""},"class_list":["post-1066","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/evergreenmetal.co\/wp\/wp-json\/wp\/v2\/pages\/1066","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/evergreenmetal.co\/wp\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/evergreenmetal.co\/wp\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/evergreenmetal.co\/wp\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/evergreenmetal.co\/wp\/wp-json\/wp\/v2\/comments?post=1066"}],"version-history":[{"count":7,"href":"https:\/\/evergreenmetal.co\/wp\/wp-json\/wp\/v2\/pages\/1066\/revisions"}],"predecessor-version":[{"id":1076,"href":"https:\/\/evergreenmetal.co\/wp\/wp-json\/wp\/v2\/pages\/1066\/revisions\/1076"}],"wp:attachment":[{"href":"https:\/\/evergreenmetal.co\/wp\/wp-json\/wp\/v2\/media?parent=1066"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}