{"id":1130,"date":"2022-05-20T05:34:02","date_gmt":"2022-05-20T05:34:02","guid":{"rendered":"https:\/\/evergreenmetal.co\/wp\/?page_id=1130"},"modified":"2022-06-03T10:29:17","modified_gmt":"2022-06-03T10:29:17","slug":"production-processes-for-crgo-grain-oriented-steel-toroidal-transformer-cores","status":"publish","type":"page","link":"https:\/\/evergreenmetal.co\/wp\/production-processes-for-crgo-grain-oriented-steel-toroidal-transformer-cores\/","title":{"rendered":"Production Processes For Crgo (Grain Oriented Steel) Toroidal Transformer Cores"},"content":{"rendered":"\t\t
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Production Processes For CRGO (Cold Rolled Grain Oriented Steel) Transformer Cores<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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CRGO TRANSFORMER CORES<\/h1>\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
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SLITTING<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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CRGO Electrical steel comes in the form of wide coils having widths of 750 mm to 1000 mm. These coils are to be slit in various widths in steps ranging from 10 mm to 100 mm.<\/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

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WINDING<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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These slit coils of CRGO are wound on semi automatic winding machine as per the dimensions given by our customers.<\/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

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STRESS RELIEF ANNEALING<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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During the winding process of CRGO, severe stresses are induced in the gains of the raw material. Theses stresses are relieved in our specially designed annealing furnace equipped with automatic temperature controller, circulating fan and inert atmosphere. The annealing cycle (at 800\u00b0C) improperly controlled to get uniform and best annealing results.<\/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

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PAINTING<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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After testing the ‘PASSED’ cores are painted with N.C. paint to prevent the CRGO Toroidal cores from corrosion.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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CUTTING ACCORDING TO LENGTH (CRGO)<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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AUTOMATIC METHOD OF PROCESSING CRGO POWER TRANSFORMER LAMINATION<\/strong>
Evergreen uses the newest, computerized version of Cut to Length Machines in order to produce Step Lap Transformer Laminations Cores.<\/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

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MANUAL METHOD USED FOR DISTRIBUTION CRGO TRANSFORMER LAMINATION<\/strong>
The SECOND stage of the CRGO Lamination manufacturing process is “Shearing” at 45 or 90 as required by the customer. Strict tolerances are maintained (as per the tolerance chart) and a unique three point location method ensures accuracy in dimensions in terms of angle and length. Burs are controlled by ensuring the blades are always sharp. Continuous line inspection ensures all parameters are strictly maintained within acceptable limits.<\/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

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The THIRD step of CRGO Lamination manufacturing process is to fabricate “V-Notch” or holes at per customer’s design. Accuracy is utmost importance and specially designed jigs and fixtures ensure that all dimensional tolerances specified by the customer are maintained.<\/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

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TESTING<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Final Inspection of CRGO Lamination for Manufacturing Tolerences as per International Standard OR as Per Customer Requirement. Checking of Core Losses on the Finished CRGO Lamination and No Load losses on CRGO Built Up Cores. Issue a Test Certificate for Every Despatch.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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PACKING<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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The Electrical Properties of CRGO Toroidal cores are very sensitive to bad handling during transit. We take great care while packing the cores in wooden boxes with cushioning material to prevent stresses on the cores during dispatch.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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We are able to deliver CRGO lamination as leg or sheet packet, according to your packing requirements, inside of wooden box or on the pallets.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Production Processes For CRGO (Cold Rolled Grain Oriented Steel) Transformer Cores CRGO TRANSFORMER CORES SLITTING CRGO Electrical steel comes in the form of wide coils having widths of 750 mm to 1000 mm. These coils are to be slit in various widths in steps ranging from 10 mm to 100 mm. WINDING These slit coils […]<\/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-1130","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/evergreenmetal.co\/wp\/wp-json\/wp\/v2\/pages\/1130","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=1130"}],"version-history":[{"count":37,"href":"https:\/\/evergreenmetal.co\/wp\/wp-json\/wp\/v2\/pages\/1130\/revisions"}],"predecessor-version":[{"id":1290,"href":"https:\/\/evergreenmetal.co\/wp\/wp-json\/wp\/v2\/pages\/1130\/revisions\/1290"}],"wp:attachment":[{"href":"https:\/\/evergreenmetal.co\/wp\/wp-json\/wp\/v2\/media?parent=1130"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}