{"id":98,"date":"2022-08-29T14:28:04","date_gmt":"2022-08-29T05:28:04","guid":{"rendered":"https:\/\/denkikogyo.co.jp\/en\/?post_type=hf&#038;p=98"},"modified":"2022-09-06T10:16:10","modified_gmt":"2022-09-06T01:16:10","slug":"rack","status":"publish","type":"hf","link":"https:\/\/denkikogyo.co.jp\/en\/hf\/product\/induction\/rack\/","title":{"rendered":"Rack Shaft Hardening &#038; Tempering Equipment"},"content":{"rendered":"\n<p>In addition to partial hardening of hollow and solid rack shafts using direct quenching, DKK can perform a wide range of heat treating operations, including full periphery traverse hardening using Dual Frequency Combined Heating.<\/p>\n\n\n\n<p>We also have experience in the manufacture of non-oxygen hardening equipment using nitrogen gas for racks provided with ball screws in the shaft area which are used in luxury automobiles. The fastest processing time is 21 sec\/unit.<\/p>\n\n\n\n<p>We can propose a wide range of hardening methods to meet your needs.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-1 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:50%\">\n<h2 class=\"wp-block-heading\">Direct Resistance Heating Method<\/h2>\n\n\n\n<p>Hardening is performed by applying high-frequency current directly to the rack tooth and back surfaces. As hardening is performed only on the necessary portions, low-distortion machining is possible. We have a long and diverse track record of using this method.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:50%\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"360\" src=\"https:\/\/denkikogyo.co.jp\/wp-content\/uploads\/2022\/08\/22.jpeg\" alt=\"\" class=\"wp-image-1481\"\/><\/figure>\n<\/div>\n<\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-2 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:50%\">\n<h2 class=\"wp-block-heading\">Induction Heating Method<\/h2>\n\n\n\n<p>Arbitrary distortion adjustment can be achieved by performing scanning hardening on the entire tooth and back surfaces and providing a mechanism to correct irregularities in the workpiece by applying pressure from the front, back, left, and right during heating. For ball-screw rack shafts, atmospheric hardening in nitrogen gas is also available to prevent oxidation during the heating process. Dual-frequency combined hardening, in which the tooth surface and ball-screw portions with different heat treatment specifications are processed with scanning hardening in a single step, is available as well.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:50%\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"360\" src=\"https:\/\/denkikogyo.co.jp\/wp-content\/uploads\/2022\/08\/21.jpeg\" alt=\"\" class=\"wp-image-1482\"\/><\/figure>\n<\/div>\n<\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-3 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.66%\">\n<h2 class=\"wp-block-heading\">What are Racks?<\/h2>\n\n\n\n<p>Racks are a component of the mechanism which converts the rotational motion of the steering wheel into reciprocating left-right motion in order to change the direction of the vehicle&#8217;s wheels.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"360\" src=\"https:\/\/denkikogyo.co.jp\/wp-content\/uploads\/2022\/08\/86-1.jpeg\" alt=\"\" class=\"wp-image-1484\"\/><\/figure>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>In addition to partial hardening of hollow and solid rack shafts using direct quenching, DKK can perform a wide range&#8230;<\/p>\n","protected":false},"author":2,"featured_media":1892,"parent":92,"menu_order":7,"template":"","meta":{"_acf_changed":false,"_links_to":"","_links_to_target":""},"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Rack Shaft Hardening &amp; Tempering Equipment | Induction Heating Business | DKK Denki Kogyo Co., Ltd.<\/title>\n<meta name=\"description\" content=\"In addition to partial hardening of hollow and solid rack shafts using direct quenching, DKK can perform a wide range of heat treating operations,\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/denkikogyo.co.jp\/en\/hf\/product\/induction\/rack\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Rack Shaft Hardening &amp; Tempering Equipment | Induction Heating Business | DKK Denki Kogyo Co., Ltd.\" \/>\n<meta property=\"og:description\" content=\"In addition to partial hardening of hollow and solid rack shafts using direct quenching, DKK can perform a wide range of heat treating operations,\" \/>\n<meta property=\"og:url\" content=\"https:\/\/denkikogyo.co.jp\/en\/hf\/product\/induction\/rack\/\" \/>\n<meta property=\"og:site_name\" content=\"DKK Denki Kogyo Co., Ltd.\" \/>\n<meta property=\"article:modified_time\" content=\"2022-09-06T01:16:10+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/denkikogyo.co.jp\/en\/hf\/product\/induction\/rack\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/denkikogyo.co.jp\/en\/hf\/product\/induction\/rack\/\"},\"author\":{\"name\":\"arisa\",\"@id\":\"https:\/\/denkikogyo.co.jp\/en\/#\/schema\/person\/efa924cb01a46c2c4ba68ef6889e5bd5\"},\"headline\":\"Rack Shaft Hardening &#038; Tempering Equipment\",\"datePublished\":\"2022-08-29T05:28:04+00:00\",\"dateModified\":\"2022-09-06T01:16:10+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/denkikogyo.co.jp\/en\/hf\/product\/induction\/rack\/\"},\"wordCount\":256,\"publisher\":{\"@id\":\"https:\/\/denkikogyo.co.jp\/en\/#organization\"},\"image\":{\"@id\":\"https:\/\/denkikogyo.co.jp\/en\/hf\/product\/induction\/rack\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/denkikogyo.co.jp\/en\/wp-content\/uploads\/2022\/07\/\u30e9\u30c3\u30af\u30b7\u30e3\u30d5\u30c8\u713c\u5165\u713c\u623b\u8a2d\u5099.jpg\",\"inLanguage\":\"en-US\"},{\"@type\":[\"WebPage\",\"ItemPage\"],\"@id\":\"https:\/\/denkikogyo.co.jp\/en\/hf\/product\/induction\/rack\/\",\"url\":\"https:\/\/denkikogyo.co.jp\/en\/hf\/product\/induction\/rack\/\",\"name\":\"Rack Shaft Hardening & Tempering Equipment | Induction Heating Business | DKK Denki Kogyo Co., Ltd.\",\"isPartOf\":{\"@id\":\"https:\/\/denkikogyo.co.jp\/en\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/denkikogyo.co.jp\/en\/hf\/product\/induction\/rack\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/denkikogyo.co.jp\/en\/hf\/product\/induction\/rack\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/denkikogyo.co.jp\/en\/wp-content\/uploads\/2022\/07\/\u30e9\u30c3\u30af\u30b7\u30e3\u30d5\u30c8\u713c\u5165\u713c\u623b\u8a2d\u5099.jpg\",\"datePublished\":\"2022-08-29T05:28:04+00:00\",\"dateModified\":\"2022-09-06T01:16:10+00:00\",\"description\":\"In addition to partial hardening of hollow and solid rack shafts using direct quenching, DKK can perform a wide range of heat treating operations,\",\"breadcrumb\":{\"@id\":\"https:\/\/denkikogyo.co.jp\/en\/hf\/product\/induction\/rack\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/denkikogyo.co.jp\/en\/hf\/product\/induction\/rack\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/denkikogyo.co.jp\/en\/hf\/product\/induction\/rack\/#primaryimage\",\"url\":\"https:\/\/denkikogyo.co.jp\/en\/wp-content\/uploads\/2022\/07\/\u30e9\u30c3\u30af\u30b7\u30e3\u30d5\u30c8\u713c\u5165\u713c\u623b\u8a2d\u5099.jpg\",\"contentUrl\":\"https:\/\/denkikogyo.co.jp\/en\/wp-content\/uploads\/2022\/07\/\u30e9\u30c3\u30af\u30b7\u30e3\u30d5\u30c8\u713c\u5165\u713c\u623b\u8a2d\u5099.jpg\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/denkikogyo.co.jp\/en\/hf\/product\/induction\/rack\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/denkikogyo.co.jp\/en\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Induction Heating Business\",\"item\":\"https:\/\/denkikogyo.co.jp\/en\/hf\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Products\",\"item\":\"https:\/\/denkikogyo.co.jp\/en\/hf\/product\/\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Induction Heating [Automobile]\",\"item\":\"https:\/\/denkikogyo.co.jp\/en\/hf\/product\/\"},{\"@type\":\"ListItem\",\"position\":5,\"name\":\"Rack Shaft Hardening &#038; Tempering Equipment\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/denkikogyo.co.jp\/en\/#website\",\"url\":\"https:\/\/denkikogyo.co.jp\/en\/\",\"name\":\"DKK Denki Kogyo Co., Ltd.\",\"description\":\"Pioneering the Future\",\"publisher\":{\"@id\":\"https:\/\/denkikogyo.co.jp\/en\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/denkikogyo.co.jp\/en\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/denkikogyo.co.jp\/en\/#organization\",\"name\":\"DKK Denki Kogyo Co., Ltd.\",\"url\":\"https:\/\/denkikogyo.co.jp\/en\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/denkikogyo.co.jp\/en\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/denkikogyo.co.jp\/en\/wp-content\/uploads\/2022\/09\/favicon.png\",\"contentUrl\":\"https:\/\/denkikogyo.co.jp\/en\/wp-content\/uploads\/2022\/09\/favicon.png\",\"width\":512,\"height\":512,\"caption\":\"DKK Denki Kogyo Co., Ltd.\"},\"image\":{\"@id\":\"https:\/\/denkikogyo.co.jp\/en\/#\/schema\/logo\/image\/\"}},{\"@type\":\"Person\",\"@id\":\"https:\/\/denkikogyo.co.jp\/en\/#\/schema\/person\/efa924cb01a46c2c4ba68ef6889e5bd5\",\"name\":\"arisa\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/denkikogyo.co.jp\/en\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/54c2d08840ba169553159deb9ed0c114?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/54c2d08840ba169553159deb9ed0c114?s=96&d=mm&r=g\",\"caption\":\"arisa\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Rack Shaft Hardening & Tempering Equipment | Induction Heating Business | DKK Denki Kogyo Co., Ltd.","description":"In addition to partial hardening of hollow and solid rack shafts using direct quenching, DKK can perform a wide range of heat treating operations,","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/denkikogyo.co.jp\/en\/hf\/product\/induction\/rack\/","og_locale":"en_US","og_type":"article","og_title":"Rack Shaft Hardening & Tempering Equipment | Induction Heating Business | DKK Denki Kogyo Co., Ltd.","og_description":"In addition to partial hardening of hollow and solid rack shafts using direct quenching, DKK can perform a wide range of heat treating operations,","og_url":"https:\/\/denkikogyo.co.jp\/en\/hf\/product\/induction\/rack\/","og_site_name":"DKK Denki Kogyo Co., Ltd.","article_modified_time":"2022-09-06T01:16:10+00:00","twitter_card":"summary_large_image","twitter_misc":{"Est. reading time":"2 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/denkikogyo.co.jp\/en\/hf\/product\/induction\/rack\/#article","isPartOf":{"@id":"https:\/\/denkikogyo.co.jp\/en\/hf\/product\/induction\/rack\/"},"author":{"name":"arisa","@id":"https:\/\/denkikogyo.co.jp\/en\/#\/schema\/person\/efa924cb01a46c2c4ba68ef6889e5bd5"},"headline":"Rack Shaft Hardening &#038; Tempering Equipment","datePublished":"2022-08-29T05:28:04+00:00","dateModified":"2022-09-06T01:16:10+00:00","mainEntityOfPage":{"@id":"https:\/\/denkikogyo.co.jp\/en\/hf\/product\/induction\/rack\/"},"wordCount":256,"publisher":{"@id":"https:\/\/denkikogyo.co.jp\/en\/#organization"},"image":{"@id":"https:\/\/denkikogyo.co.jp\/en\/hf\/product\/induction\/rack\/#primaryimage"},"thumbnailUrl":"https:\/\/denkikogyo.co.jp\/en\/wp-content\/uploads\/2022\/07\/\u30e9\u30c3\u30af\u30b7\u30e3\u30d5\u30c8\u713c\u5165\u713c\u623b\u8a2d\u5099.jpg","inLanguage":"en-US"},{"@type":["WebPage","ItemPage"],"@id":"https:\/\/denkikogyo.co.jp\/en\/hf\/product\/induction\/rack\/","url":"https:\/\/denkikogyo.co.jp\/en\/hf\/product\/induction\/rack\/","name":"Rack Shaft Hardening & Tempering Equipment | Induction Heating Business | DKK Denki Kogyo Co., Ltd.","isPartOf":{"@id":"https:\/\/denkikogyo.co.jp\/en\/#website"},"primaryImageOfPage":{"@id":"https:\/\/denkikogyo.co.jp\/en\/hf\/product\/induction\/rack\/#primaryimage"},"image":{"@id":"https:\/\/denkikogyo.co.jp\/en\/hf\/product\/induction\/rack\/#primaryimage"},"thumbnailUrl":"https:\/\/denkikogyo.co.jp\/en\/wp-content\/uploads\/2022\/07\/\u30e9\u30c3\u30af\u30b7\u30e3\u30d5\u30c8\u713c\u5165\u713c\u623b\u8a2d\u5099.jpg","datePublished":"2022-08-29T05:28:04+00:00","dateModified":"2022-09-06T01:16:10+00:00","description":"In addition to partial hardening of hollow and solid rack shafts using direct quenching, DKK can perform a wide range of heat treating operations,","breadcrumb":{"@id":"https:\/\/denkikogyo.co.jp\/en\/hf\/product\/induction\/rack\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/denkikogyo.co.jp\/en\/hf\/product\/induction\/rack\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/denkikogyo.co.jp\/en\/hf\/product\/induction\/rack\/#primaryimage","url":"https:\/\/denkikogyo.co.jp\/en\/wp-content\/uploads\/2022\/07\/\u30e9\u30c3\u30af\u30b7\u30e3\u30d5\u30c8\u713c\u5165\u713c\u623b\u8a2d\u5099.jpg","contentUrl":"https:\/\/denkikogyo.co.jp\/en\/wp-content\/uploads\/2022\/07\/\u30e9\u30c3\u30af\u30b7\u30e3\u30d5\u30c8\u713c\u5165\u713c\u623b\u8a2d\u5099.jpg"},{"@type":"BreadcrumbList","@id":"https:\/\/denkikogyo.co.jp\/en\/hf\/product\/induction\/rack\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/denkikogyo.co.jp\/en\/"},{"@type":"ListItem","position":2,"name":"Induction Heating Business","item":"https:\/\/denkikogyo.co.jp\/en\/hf\/"},{"@type":"ListItem","position":3,"name":"Products","item":"https:\/\/denkikogyo.co.jp\/en\/hf\/product\/"},{"@type":"ListItem","position":4,"name":"Induction Heating [Automobile]","item":"https:\/\/denkikogyo.co.jp\/en\/hf\/product\/"},{"@type":"ListItem","position":5,"name":"Rack Shaft Hardening &#038; Tempering Equipment"}]},{"@type":"WebSite","@id":"https:\/\/denkikogyo.co.jp\/en\/#website","url":"https:\/\/denkikogyo.co.jp\/en\/","name":"DKK Denki Kogyo Co., Ltd.","description":"Pioneering the Future","publisher":{"@id":"https:\/\/denkikogyo.co.jp\/en\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/denkikogyo.co.jp\/en\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/denkikogyo.co.jp\/en\/#organization","name":"DKK Denki Kogyo Co., Ltd.","url":"https:\/\/denkikogyo.co.jp\/en\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/denkikogyo.co.jp\/en\/#\/schema\/logo\/image\/","url":"https:\/\/denkikogyo.co.jp\/en\/wp-content\/uploads\/2022\/09\/favicon.png","contentUrl":"https:\/\/denkikogyo.co.jp\/en\/wp-content\/uploads\/2022\/09\/favicon.png","width":512,"height":512,"caption":"DKK Denki Kogyo Co., Ltd."},"image":{"@id":"https:\/\/denkikogyo.co.jp\/en\/#\/schema\/logo\/image\/"}},{"@type":"Person","@id":"https:\/\/denkikogyo.co.jp\/en\/#\/schema\/person\/efa924cb01a46c2c4ba68ef6889e5bd5","name":"arisa","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/denkikogyo.co.jp\/en\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/54c2d08840ba169553159deb9ed0c114?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/54c2d08840ba169553159deb9ed0c114?s=96&d=mm&r=g","caption":"arisa"}}]}},"_links":{"self":[{"href":"https:\/\/denkikogyo.co.jp\/en\/wp-json\/wp\/v2\/hf\/98"}],"collection":[{"href":"https:\/\/denkikogyo.co.jp\/en\/wp-json\/wp\/v2\/hf"}],"about":[{"href":"https:\/\/denkikogyo.co.jp\/en\/wp-json\/wp\/v2\/types\/hf"}],"author":[{"embeddable":true,"href":"https:\/\/denkikogyo.co.jp\/en\/wp-json\/wp\/v2\/users\/2"}],"version-history":[{"count":2,"href":"https:\/\/denkikogyo.co.jp\/en\/wp-json\/wp\/v2\/hf\/98\/revisions"}],"predecessor-version":[{"id":800,"href":"https:\/\/denkikogyo.co.jp\/en\/wp-json\/wp\/v2\/hf\/98\/revisions\/800"}],"up":[{"embeddable":true,"href":"https:\/\/denkikogyo.co.jp\/en\/wp-json\/wp\/v2\/hf\/92"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/denkikogyo.co.jp\/en\/wp-json\/"}],"wp:attachment":[{"href":"https:\/\/denkikogyo.co.jp\/en\/wp-json\/wp\/v2\/media?parent=98"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}