{"id":948,"date":"2025-09-17T15:53:19","date_gmt":"2025-09-17T06:53:19","guid":{"rendered":"https:\/\/www.sungilfa.co.kr\/?page_id=948"},"modified":"2026-01-30T12:00:47","modified_gmt":"2026-01-30T03:00:47","slug":"sd","status":"publish","type":"page","link":"https:\/\/www.sungilfa.co.kr\/en\/products\/coupling\/sd\/","title":{"rendered":"SD Series"},"content":{"rendered":"<p><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-1 fusion-flex-container has-pattern-background has-mask-background fusion-parallax-none subtop prosubtop nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-padding-top:70px;--awb-padding-bottom:30px;--awb-margin-bottom:0px;--awb-min-height:370px;--awb-background-image:url(&quot;http:\/\/www.sungilfa.co.kr\/wp-content\/uploads\/2025\/11\/coupling_bg.jpg&quot;);--awb-background-size:cover;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:1497.6px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-0 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:0px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\" data-scroll-devices=\"small-visibility,medium-visibility,large-visibility\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-text fusion-text-1\"><div class=\"subtoptitle\">\n<h3>Shaft Coupling<\/h3>\n<div class=\"subbgline\"><img decoding=\"async\" src=\"\/wp-content\/uploads\/2025\/11\/Line-3.png\"><\/div>\n<p>Coupling is a core component that transmits power and motion<br \/>\nfrom the driving shaft to the driven part while absorbing misalignment<br \/>\nand any possible factors that could reduce efficiency of machines<br \/>\n(e.g. vibration, noise, electric current, etc.)\n<\/p>\n<\/div>\n<\/div><\/div><\/div><\/div><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-2 fusion-flex-container has-pattern-background has-mask-background nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-padding-top:40px;--awb-padding-bottom:70px;--awb-margin-bottom:0px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:1497.6px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-1 awb-sticky awb-sticky-small awb-sticky-medium awb-sticky-large fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\" data-scroll-devices=\"small-visibility,medium-visibility,large-visibility\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-text fusion-text-2\"><div class=\"pro_top\">\n<ul>\n<li><a href=\"\/en\/products\/coupling\/why-couplings\">Why Couplings?<\/a><\/li>\n<li><a href=\"\/en\/products\/coupling\/installation-guide\">Installation Guide<\/a><\/li>\n<li><a href=\"\/en\/products\/coupling\/selection-guide\">Selection Guide<\/a><\/li>\n<li><a href=\"\/en\/products\/coupling\/customer-friendly-services\">Customer-friendly Services<\/a><\/li>\n<li><a href=\"\/en\/products\/coupling\/made-to-order-process\">Made-To-Order Process<\/a><\/li>\n<li><a href=\"\/en\/products\/coupling\/varieties-for-special-environments\">Varieties for Special Environments<\/a><\/li>\n<li><a href=\"\/en\/products\/coupling\/balancing-correction\">Balancing Correction<\/a><\/li>\n<li><a href=\"\/en\/technical-data\/engineering-change-notice\/\">Engineering Change Notice<\/a><\/li>\n<\/ul>\n<\/div>\n<\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-2 awb-sticky awb-sticky-small awb-sticky-medium awb-sticky-large fusion_builder_column_1_4 1_4 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:25%;--awb-margin-top-large:0px;--awb-spacing-right-large:7.68%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:7.68%;--awb-width-medium:25%;--awb-order-medium:0;--awb-spacing-right-medium:7.68%;--awb-spacing-left-medium:7.68%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;--awb-sticky-offset:200px;\" data-scroll-devices=\"small-visibility,medium-visibility,large-visibility\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-widget-area awb-widget-area-element fusion-widget-area-1 fusion-content-widget-area\" style=\"--awb-title-color:#000000;--awb-padding:0px 0px 0px 0px;\"><style type=\"text\/css\" data-id=\"avada-vertical-menu-widget-5\">#avada-vertical-menu-widget-5 > ul.menu { margin-top: -8px; }<\/style><div id=\"avada-vertical-menu-widget-5\" class=\"widget avada_vertical_menu\" style=\"border-style: solid;border-color:transparent;border-width:0px;\"><style>#fusion-vertical-menu-widget-avada-vertical-menu-widget-5-nav ul.menu li a {font-size:16px;}<\/style><nav id=\"fusion-vertical-menu-widget-avada-vertical-menu-widget-5-nav\" class=\"fusion-vertical-menu-widget fusion-menu hover left no-border\" aria-label=\"Secondary Navigation: \"><ul id=\"menu-coupling\" class=\"menu\"><li id=\"menu-item-982\" class=\"toppromenu menu-item menu-item-type-post_type menu-item-object-page menu-item-982\"><a href=\"https:\/\/www.sungilfa.co.kr\/en\/products\/coupling\/\"><span class=\"link-text\"> Shaft Coupling <span class=\"desc\">(Index)<\/span><\/span><span class=\"arrow\"><\/span><\/a><\/li><li id=\"menu-item-10614\" class=\"greymenu menu-item menu-item-type-custom menu-item-object-custom menu-item-10614\"><a target=\"_blank\" href=\"https:\/\/select.sungilfa.co.kr\/#lang=en&#038;mode=direct\"><span class=\"link-text\"> Configurator<\/span><span class=\"arrow\"><\/span><\/a><\/li><li id=\"menu-item-970\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-970\"><a href=\"https:\/\/www.sungilfa.co.kr\/en\/products\/coupling\/shr\/\"><span class=\"link-text\"> SHR Series <span class=\"desc\">(High Performance Rubber)<\/span><\/span><span class=\"arrow\"><\/span><\/a><\/li><li id=\"menu-item-971\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-971\"><a href=\"https:\/\/www.sungilfa.co.kr\/en\/products\/coupling\/sd\/\"><span class=\"link-text\"> SD Series <span class=\"desc\">(Disk)<\/span><\/span><span class=\"arrow\"><\/span><\/a><\/li><li id=\"menu-item-972\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-972\"><a href=\"https:\/\/www.sungilfa.co.kr\/en\/products\/coupling\/sad\/\"><span class=\"link-text\"> SAD Series <span class=\"desc\">(Advanced Disk)<\/span><\/span><span class=\"arrow\"><\/span><\/a><\/li><li id=\"menu-item-973\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-973\"><a href=\"https:\/\/www.sungilfa.co.kr\/en\/products\/coupling\/shd\/\"><span class=\"link-text\"> SHD Series <span class=\"desc\">(High Torque Disk)<\/span><\/span><span class=\"arrow\"><\/span><\/a><\/li><li id=\"menu-item-974\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-974\"><a href=\"https:\/\/www.sungilfa.co.kr\/en\/products\/coupling\/scd\/\"><span class=\"link-text\"> SCD Series <span class=\"desc\">(Concentricity Disk)<\/span><\/span><span class=\"arrow\"><\/span><\/a><\/li><li id=\"menu-item-975\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-975\"><a href=\"https:\/\/www.sungilfa.co.kr\/en\/products\/coupling\/sjc\/\"><span class=\"link-text\"> SJC Series <span class=\"desc\">(Jaw)<\/span><\/span><span class=\"arrow\"><\/span><\/a><\/li><li id=\"menu-item-976\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-976\"><a href=\"https:\/\/www.sungilfa.co.kr\/en\/products\/coupling\/soh\/\"><span class=\"link-text\"> SOH Series <span class=\"desc\">(Oldham)<\/span><\/span><span class=\"arrow\"><\/span><\/a><\/li><li id=\"menu-item-977\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-977\"><a href=\"https:\/\/www.sungilfa.co.kr\/en\/products\/coupling\/srb\/\"><span class=\"link-text\"> SRB Series <span class=\"desc\">(Radial Beam)<\/span><\/span><span class=\"arrow\"><\/span><\/a><\/li><li id=\"menu-item-978\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-978\"><a href=\"https:\/\/www.sungilfa.co.kr\/en\/products\/coupling\/srg\/\"><span class=\"link-text\"> SRG Series <span class=\"desc\">(Rigid)<\/span><\/span><span class=\"arrow\"><\/span><\/a><\/li><li id=\"menu-item-979\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-979\"><a href=\"https:\/\/www.sungilfa.co.kr\/en\/products\/coupling\/scj\/\"><span class=\"link-text\"> SCJ Series <span class=\"desc\">(Cross Joint)<\/span><\/span><span class=\"arrow\"><\/span><\/a><\/li><li id=\"menu-item-980\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-980\"><a href=\"https:\/\/www.sungilfa.co.kr\/en\/products\/coupling\/sfc\/\"><span class=\"link-text\"> SFC Series <span class=\"desc\">(Urethane Flexible)<\/span><\/span><span class=\"arrow\"><\/span><\/a><\/li><li id=\"menu-item-981\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-981\"><a href=\"https:\/\/www.sungilfa.co.kr\/en\/products\/coupling\/sk\/\"><span class=\"link-text\"> SK Series <span class=\"desc\">(Schmidt)<\/span><\/span><span class=\"arrow\"><\/span><\/a><\/li><li id=\"menu-item-984\" class=\"gobackmenu menu-item menu-item-type-post_type menu-item-object-page menu-item-984\"><a href=\"https:\/\/www.sungilfa.co.kr\/en\/products\/\"><span class=\"link-text\"> Go back to [Main Products]<\/span><span class=\"arrow\"><\/span><\/a><\/li><\/ul><\/nav><\/div><div class=\"fusion-additional-widget-content\"><\/div><\/div><div class=\"custom-select\">\n  <select onchange=\"window.open(value,'_self');\">\n    <option value=\"0\">SD Series <span class=\"desc\">(Disk)<\/span><\/option>\n    <option value=\"\/en\/products\/coupling\/\">Shaft Coupling <span class=\"desc\">(Index)<\/span><\/option>\n    <option value=\"\/en\/products\/coupling\/shr\">SHR Series <span class=\"desc\">(High Performance Rubber)<\/span><\/option>\n    <option value=\"\/en\/products\/coupling\/sd\">SD Series <span class=\"desc\">(Disk)<\/span><\/option>\n    <option value=\"\/en\/products\/coupling\/sad\">SAD Series <span class=\"desc\">(Advanced Disk)<\/span><\/option>\n    <option value=\"\/en\/products\/coupling\/shd\">SHD Series <span class=\"desc\">(High Torque Disk)<\/span><\/option>\n    <option value=\"\/en\/products\/coupling\/scd\">SCD Series <span class=\"desc\">(Concentricity Disk)<\/span><\/option>\n    <option value=\"\/en\/products\/coupling\/sjc\">SJC Series <span class=\"desc\">(Jaw)<\/span><\/option>\n    <option value=\"\/en\/products\/coupling\/soh\">SOH Series <span class=\"desc\">(Oldham)<\/span><\/option>\n    <option value=\"\/en\/products\/coupling\/srb\">SRB Series <span class=\"desc\">(Radial Beam)<\/span><\/option>\n    <option value=\"\/en\/products\/coupling\/srg\">SRG Series <span class=\"desc\">(Rigid)<\/span><\/option>\n    <option value=\"\/en\/products\/coupling\/scj\">SCJ Series <span class=\"desc\">(Cross Joint)<\/span><\/option>\n    <option value=\"\/en\/products\/coupling\/sfc\">SFC Series <span class=\"desc\">(Urethane Flexible)<\/span><\/option>\n  <option value=\"\/en\/products\/coupling\/sk\">SK Series <span class=\"desc\">(Schmidt)<\/span><\/option>\n <option value=\"\/en\/products\">Go back to [Main Products]<\/option>\n  <\/select>\n<\/div>\n<\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-3 awb-sticky awb-sticky-small awb-sticky-medium awb-sticky-large fusion_builder_column_3_4 3_4 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:75%;--awb-margin-top-large:0px;--awb-spacing-right-large:2.56%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:2.56%;--awb-width-medium:75%;--awb-order-medium:0;--awb-spacing-right-medium:2.56%;--awb-spacing-left-medium:2.56%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\" data-scroll-devices=\"small-visibility,medium-visibility,large-visibility\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-text fusion-text-3\"><div class=\"subtitle proseriestitle\">\n<h3>SD Series <\/h3>\n<\/div>\n<\/div><div class=\"fusion-text fusion-text-4\"><div class=\"bootitle\">\n<h4>Disk Type Coupling <span class=\"titlemark\"><img decoding=\"async\" src=\"\/wp-content\/uploads\/2025\/09\/RoHS-reach.jpg\" \/><\/span><\/h4>\n<div class=\"moviewrap\">\n<div class=\"youtube-link\"><img decoding=\"async\" class=\"thumbnail\" src=\"\/wp-content\/uploads\/2025\/09\/thumb-1025669082_SWv7Oykz_0d367ffcf40f0193a9454cbd8f132dac47d197cc_228x0.png\" alt=\"SHR\" \/><img decoding=\"async\" class=\"youtube-product-icon\" src=\"\/wp-content\/uploads\/2025\/09\/youtube-product-icon.png\" alt=\"youtube\" \/><br \/>\n<a href=\"href=\" data-toggle=\"modal\" data-target=\".fusion-modal.sdmovie\">Disk (SD, SAD &#038; SHD) Series<\/a><\/div>\n<div class=\"youtube-link\"><img decoding=\"async\" class=\"thumbnail\" src=\"\/wp-content\/uploads\/2025\/09\/thumb-sd_sad_series.png\" alt=\"SHR\" \/><img decoding=\"async\" class=\"youtube-product-icon\" src=\"\/wp-content\/uploads\/2025\/09\/youtube-product-icon.png\" alt=\"youtube\" \/><br \/>\n<a href=\"href=\" data-toggle=\"modal\" data-target=\".fusion-modal.sd1movie\">Performance Comparision of Disk Couplings<\/a><\/div>\n<\/div>\n<\/div>\n<\/div><div class=\"fusion-modal modal fade modal-1 sdmovie\" tabindex=\"-1\" role=\"dialog\" aria-labelledby=\"modal-heading-1\" aria-hidden=\"true\" style=\"--awb-border-color:#e2e2e2;--awb-background:#ffffff;\"><div class=\"modal-dialog modal-lg\" role=\"document\"><div class=\"modal-content fusion-modal-content\"><div class=\"modal-header\"><button class=\"close\" type=\"button\" data-dismiss=\"modal\" aria-hidden=\"true\" aria-label=\"Close\">&times;<\/button><h3 class=\"modal-title\" id=\"modal-heading-1\" data-dismiss=\"modal\" aria-hidden=\"true\"><\/h3><\/div><div class=\"modal-body fusion-clearfix\">\n<div class=\"popmovie\"><iframe width=\"100%\" height=\"483\" src=\"https:\/\/www.youtube.com\/embed\/9RqQ_dgFOgA\" title=\"COUPLING | Disk coupling | SD, SAD, SHD | power transmission &#091;S.I.M&#093;_EN\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n<\/div><\/div><\/div><\/div><div class=\"fusion-modal modal fade modal-2 sd1movie\" tabindex=\"-1\" role=\"dialog\" aria-labelledby=\"modal-heading-2\" aria-hidden=\"true\" style=\"--awb-border-color:#e2e2e2;--awb-background:#ffffff;\"><div class=\"modal-dialog modal-lg\" role=\"document\"><div class=\"modal-content fusion-modal-content\"><div class=\"modal-header\"><button class=\"close\" type=\"button\" data-dismiss=\"modal\" aria-hidden=\"true\" aria-label=\"Close\">&times;<\/button><h3 class=\"modal-title\" id=\"modal-heading-2\" data-dismiss=\"modal\" aria-hidden=\"true\"><\/h3><\/div><div class=\"modal-body fusion-clearfix\">\n<div class=\"popmovie\"><iframe width=\"100%\" height=\"483\" src=\"https:\/\/www.youtube.com\/embed\/66enYZ2kgL0\" title=\"COUPLING| Performance Comparison (by Structural Analysis) of SIM Disk Coupling | &#091;S.I.M&#093;_EN\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n<\/div><\/div><\/div><\/div><div class=\"fusion-text fusion-text-5\"><div class=\"table-1 sdtable\">\n<table class=\"type1\">\n<thead>\n<tr>\n<th><\/th>\n<th colspan=\"3\">Single Disk<\/th>\n<th colspan=\"3\">Double Disk<\/th>\n<\/tr>\n<tr>\n<th>Model<\/th>\n<th>SDS (No mark)<\/th>\n<th>SDS-C<\/th>\n<th>SDSS-C<\/th>\n<th>SDW (No mark)<\/th>\n<th>SDW-C<\/th>\n<th>SDWS-C<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<th>Shape<\/th>\n<td><img decoding=\"async\" src=\"\/wp-content\/uploads\/2025\/09\/coupling-p2-1_img1.jpg\" alt=\"\" \/><\/td>\n<td><img decoding=\"async\" src=\"\/wp-content\/uploads\/2025\/09\/coupling-p2-1_img2.jpg\" alt=\"\" \/><\/td>\n<td><img decoding=\"async\" src=\"\/wp-content\/uploads\/2025\/09\/coupling-p2-1_img3.jpg\" alt=\"\" \/><\/td>\n<td><img decoding=\"async\" src=\"\/wp-content\/uploads\/2025\/09\/coupling-p2-1_img4.jpg\" alt=\"\" \/><\/td>\n<td><img decoding=\"async\" src=\"\/wp-content\/uploads\/2025\/09\/coupling-p2-1_img5.jpg\" alt=\"\" \/><\/td>\n<td><img decoding=\"async\" src=\"\/wp-content\/uploads\/2025\/09\/coupling-p2-1_img6.jpg\" alt=\"\" \/><\/td>\n<\/tr>\n<tr>\n<th>Hub Material<\/th>\n<td colspan=\"2\">High Strength Aluminum Alloy<\/td>\n<td>Stainless Steel<\/td>\n<td colspan=\"2\">High Strength Aluminum Alloy<\/td>\n<td>Stainless Steel<\/td>\n<\/tr>\n<tr>\n<th>Clamping Methods<\/th>\n<td>Set-screw<\/td>\n<td colspan=\"2\">Side-clamp<\/td>\n<td>Set-screw<\/td>\n<td colspan=\"2\">Side-clamp<\/td>\n<\/tr>\n<tr>\n<th>OD range<\/th>\n<td>\u00d816-\u00d864<\/td>\n<td>\u00d812-\u00d8104.5<\/td>\n<td>\u00d816-\u00d894.5<\/td>\n<td>\u00d816-\u00d864<\/td>\n<td>\u00d812-\u00d8104.5<\/td>\n<td>\u00d816-\u00d894.5<\/td>\n<\/tr>\n<tr>\n<th>ID range<\/th>\n<td>\u00d83-\u00d830<\/td>\n<td>\u00d83-\u00d850<\/td>\n<td>\u00d83-\u00d845<\/td>\n<td>\u00d83-\u00d830<\/td>\n<td>\u00d83-\u00d850<\/td>\n<td>\u00d83-\u00d845<\/td>\n<\/tr>\n<tr>\n<th>For more info<\/th>\n<td colspan=\"2\"><a href=\"\/en\/products\/coupling\/sd\/sd1-1\">View more &gt;<\/a><\/td>\n<td><a href=\"\/en\/products\/coupling\/sd\/sd1-2\">View more &gt;<\/a><\/td>\n<td colspan=\"2\"><a href=\"\/en\/products\/coupling\/sd\/sd1-3\">View more &gt;<\/a><\/td>\n<td><a href=\"\/en\/products\/coupling\/sd\/sd1-4\">View more &gt;<\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div><div class=\"fusion-separator fusion-full-width-sep spacebar\" style=\"align-self: center;margin-left: auto;margin-right: auto;margin-top:25px;margin-bottom:25px;width:100%;\"><\/div><div class=\"fusion-text fusion-text-6\"><div class=\"toplinetxt notoplinetxt\">\n<h5>Single Module vs Double Module<\/h5>\n<\/div>\n<\/div><div class=\"fusion-builder-row fusion-builder-row-inner fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"width:104% !important;max-width:104% !important;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column_inner fusion-builder-nested-column-0 fusion_builder_column_inner_1_2 1_2 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:50%;--awb-margin-top-large:0px;--awb-spacing-right-large:3.84%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:3.84%;--awb-width-medium:50%;--awb-order-medium:0;--awb-spacing-right-medium:3.84%;--awb-spacing-left-medium:3.84%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-text fusion-text-7\"><div class=\"selfguid2red envul blackli\">\n<ul class=\"has-l-style\">\n<li>SD Series absorbs the misalignment through the plate springs in the middle part. Therefore, the double module is better at absorption of misalignment than the single module.\n<\/li>\n<li>On the other hand, the single module has higher stiffness and precise positioning feature as well as it saves space in terms of shorter length(L).<\/li>\n<\/ul>\n<\/div>\n<\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column_inner fusion-builder-nested-column-1 fusion_builder_column_inner_1_2 1_2 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:50%;--awb-margin-top-large:0px;--awb-spacing-right-large:3.84%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:3.84%;--awb-width-medium:50%;--awb-order-medium:0;--awb-spacing-right-medium:3.84%;--awb-spacing-left-medium:3.84%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-text fusion-text-8\"><div class=\"table-1 sdtable\">\n<table class=\"type1\">\n<thead>\n<tr>\n<th><\/th>\n<th>Single Disk<\/th>\n<th>Double Disk<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<th>Plate-Spring Modules<\/th>\n<td>1<\/td>\n<td>2<\/td>\n<\/tr>\n<tr>\n<th>Transmission Level<br \/> of Torque<br \/>(Permissible Torque)<\/th>\n<td colspan=\"2\">Identical<\/td>\n<\/tr>\n<tr>\n<th>Static Torsional Stiffness<\/th>\n<td>High<\/td>\n<td>Low<\/td>\n<\/tr>\n<tr>\n<th>Absorption of<br \/> Misalignment<\/th>\n<td>Low<\/td>\n<td>High<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div><\/div><\/div><\/div><div class=\"fusion-separator fusion-full-width-sep spacebar\" style=\"align-self: center;margin-left: auto;margin-right: auto;margin-top:25px;margin-bottom:25px;width:100%;\"><\/div><div class=\"fusion-text fusion-text-9\"><div class=\"toplinetxt notoplinetxt\">\n<h5>Custom Service : Extra plate springs Reinforcement<\/h5>\n<\/div>\n<\/div><div class=\"fusion-builder-row fusion-builder-row-inner fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"width:104% !important;max-width:104% !important;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column_inner fusion-builder-nested-column-2 fusion_builder_column_inner_1_2 1_2 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:50%;--awb-margin-top-large:0px;--awb-spacing-right-large:3.84%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:3.84%;--awb-width-medium:50%;--awb-order-medium:0;--awb-spacing-right-medium:3.84%;--awb-spacing-left-medium:3.84%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-text fusion-text-10\"><div class=\"selfguid2red envul blackli\">\n<ul class=\"has-l-style\">\n<li>The most important part that determines the performance of SD coupling is assembly set of Plate-Springs.<\/li>\n<li>As a customized service, Sung-il Machinery provides extra quantity of plate springs added according to customer\u2019s special requests.<\/li>\n<li>However, please be aware that this process makes strength of product enhanced, at the same time it may increase reaction force on shafts and would give negative effects on the connected devices.<\/li>\n<li>Please contact Sung-il Customer Service team for more details.<\/li>\n<\/ul>\n<\/div>\n<\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column_inner fusion-builder-nested-column-3 fusion_builder_column_inner_1_2 1_2 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:50%;--awb-margin-top-large:0px;--awb-spacing-right-large:3.84%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:3.84%;--awb-width-medium:50%;--awb-order-medium:0;--awb-spacing-right-medium:3.84%;--awb-spacing-left-medium:3.84%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-text fusion-text-11\"><div class=\"pronormalimg\"><img decoding=\"async\" src=\"\/wp-content\/uploads\/2025\/09\/p1-2_img7.jpg\"><\/div>\n<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/p>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":2,"featured_media":0,"parent":917,"menu_order":2,"comment_status":"closed","ping_status":"closed","template":"100-width.php","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-948","page","type-page","status-publish","hentry"],"acf":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.sungilfa.co.kr\/en\/wp-json\/wp\/v2\/pages\/948","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.sungilfa.co.kr\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.sungilfa.co.kr\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.sungilfa.co.kr\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.sungilfa.co.kr\/en\/wp-json\/wp\/v2\/comments?post=948"}],"version-history":[{"count":10,"href":"https:\/\/www.sungilfa.co.kr\/en\/wp-json\/wp\/v2\/pages\/948\/revisions"}],"predecessor-version":[{"id":9343,"href":"https:\/\/www.sungilfa.co.kr\/en\/wp-json\/wp\/v2\/pages\/948\/revisions\/9343"}],"up":[{"embeddable":true,"href":"https:\/\/www.sungilfa.co.kr\/en\/wp-json\/wp\/v2\/pages\/917"}],"wp:attachment":[{"href":"https:\/\/www.sungilfa.co.kr\/en\/wp-json\/wp\/v2\/media?parent=948"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}