{"id":2501,"date":"2026-08-18T12:47:50","date_gmt":"2026-08-18T04:47:50","guid":{"rendered":"https:\/\/cnsandcasting.com\/?post_type=product&#038;p=2501"},"modified":"2026-08-18T12:47:50","modified_gmt":"2026-08-18T04:47:50","slug":"concrete-mixer-drum-support-ring","status":"publish","type":"product","link":"https:\/\/cnsandcasting.com\/ru\/product\/concrete-mixer-drum-support-ring\/","title":{"rendered":"Concrete Mixer Drum Support Ring"},"content":{"rendered":"<p class=\"code-line\" dir=\"auto\" data-line=\"326\">The concrete mixer drum support ring from Ningbo Ruican is a structural component that carries the full weight of a rotating concrete mixer drum on transit mixer trucks. Mounted around the drum&#8217;s circumference, this ring rides on the mixer frame&#8217;s support rollers, transferring drum weight and dynamic loads from mixing rotation, vehicle acceleration, and road shock into the chassis. Given the abrasive concrete environment, continuous rotation, and high radial loads, the support ring demands exceptional wear resistance, dimensional roundness, and fatigue strength.<\/p>\n<p class=\"code-line\" dir=\"auto\" data-line=\"328\">Ningbo Ruican manufactures mixer drum support rings using investment cast segments in ZG35CrMo alloy steel, followed by precision\u00a0<span class=\"keywords_replace\"><a href=\"https:\/\/www.kstcasting.com\/cnc-machining\/\">CNC MACHINING<\/a><\/span>\u00a0and rolling to achieve the roundness and roller contact surface finish required for smooth, low-vibration drum rotation. Hardened and tempered to 240\u2013290 HB, the ring&#8217;s working surface delivers extended service life even under continuous-duty commercial batching and transit operations.<\/p>\n<h3 id=\"technical-specifications-4\" class=\"code-line\" dir=\"auto\" data-line=\"330\">Technical Specifications<\/h3>\n<table class=\"code-line\" dir=\"auto\" data-line=\"331\">\n<thead class=\"code-line\" dir=\"auto\" data-line=\"331\">\n<tr class=\"code-line\" dir=\"auto\" data-line=\"331\">\n<th>Parameter<\/th>\n<th>Specification<\/th>\n<\/tr>\n<\/thead>\n<tbody class=\"code-line\" dir=\"auto\" data-line=\"333\">\n<tr class=\"code-line\" dir=\"auto\" data-line=\"333\">\n<td>Product Name<\/td>\n<td>Concrete Mixer Drum Support Ring<\/td>\n<\/tr>\n<tr class=\"code-line\" dir=\"auto\" data-line=\"334\">\n<td>Material<\/td>\n<td>ZG35CrMo Alloy Steel Casting<\/td>\n<\/tr>\n<tr class=\"code-line\" dir=\"auto\" data-line=\"335\">\n<td>Manufacturing Process<\/td>\n<td><span class=\"keywords_replace\"><a href=\"https:\/\/www.kstcasting.com\/investment-casting\/\">Investment Casting<\/a><\/span>\u00a0(Lost Wax) + CNC Rolling &amp; Machining<\/td>\n<\/tr>\n<tr class=\"code-line\" dir=\"auto\" data-line=\"336\">\n<td>Diameter Range<\/td>\n<td>1,500 \u2013 2,400 mm<\/td>\n<\/tr>\n<tr class=\"code-line\" dir=\"auto\" data-line=\"337\">\n<td>Cross-Section<\/td>\n<td>40 \u00d7 60 mm to 70 \u00d7 100 mm (customizable)<\/td>\n<\/tr>\n<tr class=\"code-line\" dir=\"auto\" data-line=\"338\">\n<td>Tensile Strength<\/td>\n<td>\u2265 685 MPa (hardened &amp; tempered)<\/td>\n<\/tr>\n<tr class=\"code-line\" dir=\"auto\" data-line=\"339\">\n<td>Yield Strength<\/td>\n<td>\u2265 490 MPa<\/td>\n<\/tr>\n<tr class=\"code-line\" dir=\"auto\" data-line=\"340\">\n<td>Hardness<\/td>\n<td>240\u2013290 HB (working surface)<\/td>\n<\/tr>\n<tr class=\"code-line\" dir=\"auto\" data-line=\"341\">\n<td>Roundness Tolerance<\/td>\n<td>\u2264 2 mm full indicator<\/td>\n<\/tr>\n<tr class=\"code-line\" dir=\"auto\" data-line=\"342\">\n<td>Roller Contact Surface<\/td>\n<td>CNC turned, Ra 3.2 \u03bcm<\/td>\n<\/tr>\n<tr class=\"code-line\" dir=\"auto\" data-line=\"343\">\n<td>Heat Treatment<\/td>\n<td>Quench + Temper<\/td>\n<\/tr>\n<tr class=\"code-line\" dir=\"auto\" data-line=\"344\">\n<td>Surface Treatment<\/td>\n<td>Shot blast + anti-rust coating<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3 id=\"key-features-4\" class=\"code-line\" dir=\"auto\" data-line=\"346\">Key Features<\/h3>\n<ul class=\"code-line\" dir=\"auto\" data-line=\"347\">\n<li class=\"code-line\" dir=\"auto\" data-line=\"347\"><strong>High Load-Bearing Capacity<\/strong>: ZG35CrMo alloy steel handles drum weights up to 20+ tons of concrete per load<\/li>\n<li class=\"code-line\" dir=\"auto\" data-line=\"348\"><strong>Precision Roundness<\/strong>: CNC rolled and machined to \u22642 mm roundness for vibration-free rotation<\/li>\n<li class=\"code-line\" dir=\"auto\" data-line=\"349\"><strong>Wear-Resistant Surface<\/strong>: Hardened working surface (240\u2013290 HB) extends roller contact life<\/li>\n<li class=\"code-line\" dir=\"auto\" data-line=\"350\"><strong>Custom Diameter Range<\/strong>: Manufactured to fit 3 m\u00b3 to 16 m\u00b3 transit mixer drums<\/li>\n<\/ul>\n<h3 id=\"quality-assurance-4\" class=\"code-line\" dir=\"auto\" data-line=\"352\">Quality Assurance<\/h3>\n<ul class=\"code-line\" dir=\"auto\" data-line=\"353\">\n<li class=\"code-line\" dir=\"auto\" data-line=\"353\">Chemical composition and mechanical property testing per heat<\/li>\n<li class=\"code-line\" dir=\"auto\" data-line=\"354\">Hardness verification on finished rings<\/li>\n<li class=\"code-line\" dir=\"auto\" data-line=\"355\">Roundness and runout inspection on dedicated fixtures<\/li>\n<li class=\"code-line\" dir=\"auto\" data-line=\"356\">UT examination for internal soundness on request<\/li>\n<li class=\"code-line\" dir=\"auto\" data-line=\"357\">IATF 16949 certified quality system<\/li>\n<\/ul>\n<h3 id=\"applications-4\" class=\"code-line\" dir=\"auto\" data-line=\"359\">Applications<\/h3>\n<p class=\"code-line\" dir=\"auto\" data-line=\"360\">Transit mixer trucks (3\u201316 m\u00b3), stationary mixers, self-loading mobile mixers, and aggregate processing drums.<\/p>\n<h3 id=\"why-choose-ningbo-ruican-4\" class=\"code-line\" dir=\"auto\" data-line=\"362\">Why Choose Ningbo Ruican?<\/h3>\n<ul class=\"code-line\" dir=\"auto\" data-line=\"363\">\n<li class=\"code-line\" dir=\"auto\" data-line=\"363\">Heavy-section casting expertise with strict solidification control<\/li>\n<li class=\"code-line\" dir=\"auto\" data-line=\"364\">Integrated casting + rolling + machining capability<\/li>\n<li class=\"code-line\" dir=\"auto\" data-line=\"365\">DFM (Design for Manufacturing) review at quotation stage<\/li>\n<li class=\"code-line\" dir=\"auto\" data-line=\"366\">Reliable export logistics to 30+ countries<\/li>\n<li dir=\"auto\" data-line=\"366\"><img data-recalc-dims=\"1\" fetchpriority=\"high\" 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Mounted around the drum&#8217;s circumference, this ring rides on the mixer frame&#8217;s support rollers, transferring drum weight and dynamic loads from mixing rotation, vehicle acceleration, and road [&hellip;]<\/p>\n","protected":false},"featured_media":2505,"comment_status":"open","ping_status":"closed","template":"","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":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","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":""}},"jetpack_publicize_message":"{title}\r\n\r\n{excerpt}\r\n\r\n{url}","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"_wpas_customize_per_network":false},"product_brand":[],"product_cat":[1391],"product_tag":[1403],"class_list":["post-2501","product","type-product","status-publish","has-post-thumbnail","product_cat-engineering-machinery-parts","product_tag-concrete-mixer-drum-support-ring-zg35crmo-steel-casting-ningbo-ruican","desktop-align-center","tablet-align-left","mobile-align-left","first","instock","shipping-taxable","product-type-simple"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Concrete Mixer Drum Support Ring - www.cnsandcasting.com<\/title>\n<meta name=\"description\" content=\"Heavy-duty concrete mixer drum support ring in ZG35CrMo steel. 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