{"id":4846,"date":"2026-07-23T04:26:42","date_gmt":"2026-07-23T04:26:42","guid":{"rendered":"https:\/\/spotlight-motor.com\/?post_type=product&#038;p=4846"},"modified":"2026-10-12T01:50:00","modified_gmt":"2026-10-12T01:50:00","slug":"57-mm-vacuum-stepper-motor","status":"publish","type":"product","link":"https:\/\/spotlight-motor.com\/zh\/product\/57-mm-vacuum-stepper-motor\/","title":{"rendered":"57 mm \u771f\u7a7a\u6b65\u8fdb\u7535\u673a"},"content":{"rendered":"<style>\nbody.postid-4846 {\n  overflow-x: hidden;\n}\nbody.postid-4846 [data-id=\"4e2fba0\"],\nbody.postid-4846 [data-id=\"169d9d5\"],\nbody.postid-4846 [data-id=\"4ab745c\"],\nbody.postid-4846 [data-id=\"a65d5ba\"],\nbody.postid-4846 [data-id=\"77d8c47\"],\nbody.postid-4846 [data-id=\"79389ad\"],\nbody.postid-4846 [data-id=\"8d9b055\"],\nbody.postid-4846 [data-id=\"6b8732b\"],\nbody.postid-4846 [data-id=\"bc89a15\"] {\n  display: none !important;\n}\nbody.postid-4846 [data-id=\"9b05c0a\"],\nbody.postid-4846 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a:focus:not(:focus-visible){outline:none}.sl-detail-nav{top:calc(var(--wp-admin--admin-bar--height, 0px) + 120px)!important;z-index:120}.sl-product-page section[id]{scroll-margin-top:210px}@media(max-width:1024px){.sl-detail-nav{top:calc(var(--wp-admin--admin-bar--height, 0px) + 86px)!important}.sl-product-page section[id]{scroll-margin-top:176px}}@media(max-width:767px){.sl-detail-nav{top:calc(var(--wp-admin--admin-bar--height, 0px) + 72px)!important}.sl-product-page section[id]{scroll-margin-top:154px}}\n<\/style>\n<div class=\"sl-product-page\">\n<nav class=\"sl-fullbleed sl-detail-nav\" aria-label=\"Product detail navigation\">\n<div class=\"sl-inner sl-detail-nav__inner\"><a href=\"#sl-features\">Product benefits<\/a><br \/>\n<a href=\"#sl-technical\">Technical data<\/a><br \/>\n<a href=\"#sl-integration\">Integration<\/a><br \/>\n<a href=\"#sl-applications\">Applications<\/a><br \/>\n<a href=\"#sl-consultation\">Request consultation<\/a><\/div>\n<\/nav>\n<section id=\"sl-features\" class=\"sl-fullbleed sl-section sl-features\">\n<div class=\"sl-inner\">\n<div class=\"sl-kicker\">57 mm vacuum motion platform<\/div>\n<h2 class=\"sl-title\">High-torque positioning for demanding vacuum environments<\/h2>\n<p class=\"sl-lead\">A two-phase, four-wire hybrid vacuum stepper motor engineered around the 57 mm frame for stable positioning, high holding torque and application-specific environmental configurations.<\/p>\n<div class=\"sl-feature-grid\">\n<article class=\"sl-feature-card\">\n<div class=\"sl-feature-icon\" aria-hidden=\"true\"><\/div>\n<h3>High-vacuum capability<\/h3>\n<p>Specified configurations are available for vacuum environments down to 1.0 \u00d7 10<sup>\u22128<\/sup> Pa.<br \/>\n<\/article>\n<article class=\"sl-feature-card\">\n<div class=\"sl-feature-icon\" aria-hidden=\"true\"><\/div>\n<h3>Wide-temperature options<\/h3>\n<p>Application-specific materials and manufacturing processes support environments from \u2212196\u00b0C to +300\u00b0C.<br \/>\n<\/article>\n<article class=\"sl-feature-card\">\n<div class=\"sl-feature-icon\" aria-hidden=\"true\"><\/div>\n<h3>Radiation-resistant options<\/h3>\n<p>Specialized configurations are available for radiation environments up to 10<sup>6<\/sup> Gy.<br \/>\n<\/article>\n<article class=\"sl-feature-card\">\n<div class=\"sl-feature-icon\" aria-hidden=\"true\"><\/div>\n<h3>2.0 N\u00b7m holding torque<\/h3>\n<p>The 57 mm platform delivers strong holding performance for demanding precision axes.<br \/>\n<\/article>\n<article class=\"sl-feature-card\">\n<div class=\"sl-feature-icon\" aria-hidden=\"true\"><\/div>\n<h3>High-cleanliness engineering<\/h3>\n<p>Material selection and finishing processes support use in equipment with elevated cleanliness requirements.<br \/>\n<\/article>\n<article class=\"sl-feature-card\">\n<div class=\"sl-feature-icon\" aria-hidden=\"true\"><\/div>\n<h3>Application-specific customization<\/h3>\n<p>Shaft, cabling, shock, vibration, impact and compatible gearbox requirements can be reviewed with engineering.<br \/>\n<\/article>\n<\/div>\n<\/div>\n<\/section>\n<section id=\"sl-technical\" class=\"sl-fullbleed sl-section sl-tech\">\n<div class=\"sl-inner\">\n<div class=\"sl-kicker\">Engineering information<\/div>\n<h2 class=\"sl-title\">Technical data<\/h2>\n<p class=\"sl-lead\">Verified model data is organized below for electrical selection, mechanical integration and operating-point review.<\/p>\n<div class=\"sl-spec-grid\">\n<div class=\"sl-spec\"><strong>57 mm<\/strong>Frame size<\/div>\n<div class=\"sl-spec\"><strong>SPHY5776**<\/strong>Product model<\/div>\n<div class=\"sl-spec\"><strong>2.0 N\u00b7m<\/strong>Holding torque<\/div>\n<div class=\"sl-spec\"><strong>1.0 \u00d7 10<sup>\u22128<\/sup> Pa<\/strong>Vacuum option<\/div>\n<\/div>\n<div class=\"sl-parameter-layout\">\n<section class=\"sl-parameter-panel sl-parameter-panel--wide\">\n<div class=\"sl-parameter-head\">\n<div>Model data<\/p>\n<h3>Model specifications<\/h3>\n<\/div>\n<p>Values transcribed from the supplied 57 series technical data.<\/p><\/div>\n<div class=\"sl-table-scroll\" tabindex=\"0\" role=\"region\" aria-label=\"Scrollable 57 mm model specifications\">\n<table class=\"sl-data-table\" style=\"min-width:1180px\">\n<caption>SPHY5776 model specifications<\/caption>\n<thead>\n<tr>\n<th scope=\"col\">Model<\/th>\n<th scope=\"col\">Step angle<\/th>\n<th scope=\"col\">Body length Lmax<\/th>\n<th scope=\"col\">Rated current<\/th>\n<th scope=\"col\">Phase resistance<\/th>\n<th scope=\"col\">Phase inductance<\/th>\n<th scope=\"col\">Holding torque<\/th>\n<th scope=\"col\">Rotor inertia<\/th>\n<th scope=\"col\">Weight<\/th>\n<th scope=\"col\">Recommended driver<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>SPHY5776**<\/td>\n<td>1.8\u00b0<\/td>\n<td>76 mm (55 mm optional)<\/td>\n<td>2.0 A<\/td>\n<td>2.7 \u03a9<\/td>\n<td>9 mH<\/td>\n<td>2.0 N\u00b7m<\/td>\n<td>480 g\u00b7cm\u00b2<\/td>\n<td>1.2 kg<\/td>\n<td>M542C<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/section>\n<section class=\"sl-parameter-panel sl-parameter-panel--wide\">\n<div class=\"sl-parameter-head\">\n<div>General data<\/p>\n<h3>General specifications<\/h3>\n<\/div>\n<p>Mechanical, insulation and loading limits from the supplied technical data.<\/p><\/div>\n<div class=\"sl-table-scroll\" tabindex=\"0\" role=\"region\" aria-label=\"Scrollable 57 mm general specifications\">\n<table class=\"sl-data-table\" style=\"min-width:720px\">\n<caption>57 mm vacuum stepper motor general specifications<\/caption>\n<thead>\n<tr>\n<th scope=\"col\">Specification<\/th>\n<th scope=\"col\">Value<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Step angle<\/td>\n<td>1.8\u00b0<\/td>\n<\/tr>\n<tr>\n<td>Radial clearance<\/td>\n<td>0.025 mm (450 g load)<\/td>\n<\/tr>\n<tr>\n<td>Axial clearance<\/td>\n<td>0.075 mm (920 g load)<\/td>\n<\/tr>\n<tr>\n<td>Resistance accuracy<\/td>\n<td>\u00b15%<\/td>\n<\/tr>\n<tr>\n<td>Inductance accuracy<\/td>\n<td>\u00b110%<\/td>\n<\/tr>\n<tr>\n<td>Insulation resistance<\/td>\n<td>100 M\u03a9<\/td>\n<\/tr>\n<tr>\n<td>Insulation class<\/td>\n<td>Grade B<\/td>\n<\/tr>\n<tr>\n<td>Dielectric strength<\/td>\n<td>500 VAC, 50 Hz, 1 mA, 1 min<\/td>\n<\/tr>\n<tr>\n<td>Motor temperature rise<\/td>\n<td>80\u00b0C max (rated current, normal pressure)<\/td>\n<\/tr>\n<tr>\n<td>Ambient temperature<\/td>\n<td>Optional grade<\/td>\n<\/tr>\n<tr>\n<td>Radial load<\/td>\n<td>75 N max (20 mm from flange face)<\/td>\n<\/tr>\n<tr>\n<td>Axial load<\/td>\n<td>15 N max<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/section>\n<\/div>\n<div class=\"sl-kicker\" style=\"margin-top:56px\">Technical drawings<\/div>\n<h2 class=\"sl-title\">Dimensions, wiring and performance<\/h2>\n<p class=\"sl-lead\">Each technical drawing is presented separately to preserve readability. Confirm the final configuration and operating point with engineering before release.<\/p>\n<div class=\"sl-tech-grid\">\n<figure class=\"sl-tech-card sl-tech-card--wide\">\n<img decoding=\"async\" src=\"https:\/\/spotlight-motor.com\/wp-content\/uploads\/2026\/08\/sp57-vacuum-stepper-motor-mechanical-dimensions.png\" alt=\"SPHY5776 vacuum stepper motor mechanical dimensions\"  title=\"57 mm Vacuum Stepper Motor\" \/><figcaption>Mechanical dimensions for the FK configuration. The drawing shows an 55 mm motor body configuration; the standard table value is 76 mm with a 55 mm option; dimensions are in millimetres.<\/figcaption><\/figure>\n<figure class=\"sl-tech-card\">\n<img decoding=\"async\" src=\"https:\/\/spotlight-motor.com\/wp-content\/uploads\/2026\/07\/57mm-wiring-diagram-clear.png\" alt=\"SPHY5776 vacuum stepper motor wiring diagram\"  title=\"57 mm Vacuum Stepper Motor\" \/><figcaption>Two-phase, four-wire connection: red A+, green A\u2212, black B+ and blue B\u2212.<\/figcaption><\/figure>\n<figure class=\"sl-tech-card\">\n<img decoding=\"async\" src=\"https:\/\/spotlight-motor.com\/wp-content\/uploads\/2026\/07\/57mm-torque-speed-curve-clear.png\" alt=\"SPHY5776 vacuum stepper motor torque-speed curve\"  title=\"57 mm Vacuum Stepper Motor\" \/><figcaption>Torque-speed curve for the supplied test configuration: DM542 driver, 1600 steps\/rev, 24 V or 48 V at 2.5 A.<\/figcaption><\/figure>\n<\/div>\n<\/div>\n<\/section>\n<section id=\"sl-integration\" class=\"sl-fullbleed sl-showcase\">\n<div class=\"sl-inner sl-showcase-grid\">\n<div>\n<div class=\"sl-kicker\">Vacuum-axis integration<\/div>\n<h2 class=\"sl-title\">Engineer a robust 57 mm vacuum motion axis<\/h2>\n<p>Match the motor to chamber pressure, load, speed, duty cycle, temperature, radiation level, cabling and driver conditions.<\/p>\n<ul class=\"sl-checks\">\n<li>Validate the required vacuum, temperature and cleanliness level<\/li>\n<li>Match torque and speed to the complete duty cycle<\/li>\n<li>Confirm cabling, feedthrough and driver interfaces<\/li>\n<\/ul>\n<\/div>\n<div class=\"sl-product-visual\"><img fetchpriority=\"high\" decoding=\"async\" width=\"2560\" height=\"2560\" class=\"wp-image-5226\" src=\"https:\/\/spotlight-motor.com\/wp-content\/uploads\/2026\/08\/57-mm-vacuum-stepper-motor-main-scaled.png\" alt=\"57 mm vacuum stepper motor\"  title=\"57 mm Vacuum Stepper Motor\" srcset=\"https:\/\/spotlight-motor.com\/wp-content\/uploads\/2026\/08\/57-mm-vacuum-stepper-motor-main-scaled.png 2560w, https:\/\/spotlight-motor.com\/wp-content\/uploads\/2026\/08\/57-mm-vacuum-stepper-motor-main-300x300.png 300w, https:\/\/spotlight-motor.com\/wp-content\/uploads\/2026\/08\/57-mm-vacuum-stepper-motor-main-1024x1024.png 1024w, https:\/\/spotlight-motor.com\/wp-content\/uploads\/2026\/08\/57-mm-vacuum-stepper-motor-main-150x150.png 150w, https:\/\/spotlight-motor.com\/wp-content\/uploads\/2026\/08\/57-mm-vacuum-stepper-motor-main-768x768.png 768w, https:\/\/spotlight-motor.com\/wp-content\/uploads\/2026\/08\/57-mm-vacuum-stepper-motor-main-1536x1536.png 1536w, https:\/\/spotlight-motor.com\/wp-content\/uploads\/2026\/08\/57-mm-vacuum-stepper-motor-main-2048x2048.png 2048w, https:\/\/spotlight-motor.com\/wp-content\/uploads\/2026\/08\/57-mm-vacuum-stepper-motor-main-600x600.png 600w, https:\/\/spotlight-motor.com\/wp-content\/uploads\/2026\/08\/57-mm-vacuum-stepper-motor-main-100x100.png 100w\" sizes=\"(max-width: 2560px) 100vw, 2560px\" \/><\/div>\n<\/div>\n<\/section>\n<section id=\"sl-applications\" class=\"sl-fullbleed sl-section sl-applications\">\n<div class=\"sl-inner\">\n<div class=\"sl-kicker\">Application fields<\/div>\n<h2 class=\"sl-title\">Designed for demanding vacuum and scientific equipment<\/h2>\n<p class=\"sl-lead\">The 57 mm platform is suited to applications that combine strong holding torque, controlled environments and repeatable positioning.<\/p>\n<div class=\"sl-application-grid\">\n<article class=\"sl-application-card\">\n<h3>Semiconductor equipment<\/h3>\n<p>Transfer, positioning and process-support axes in controlled environments.<br \/>\n<\/article>\n<article class=\"sl-application-card\">\n<h3>Vacuum coating<\/h3>\n<p>Robust rotary and linear positioning for deposition equipment.<br \/>\n<\/article>\n<article class=\"sl-application-card\">\n<h3>Research systems<\/h3>\n<p>Motion inside laboratory chambers and analytical instruments.<br \/>\n<\/article>\n<article class=\"sl-application-card\">\n<h3>Scientific equipment<\/h3>\n<p>High-load precision motion for specialized test and measurement systems.<br \/>\n<\/article>\n<\/div>\n<\/div>\n<\/section>\n<section class=\"sl-fullbleed sl-section sl-integration\">\n<div class=\"sl-inner sl-integration-grid\">\n<div>\n<div class=\"sl-kicker\">System integration<\/div>\n<h2 class=\"sl-title\">Clear product data for faster machine design<\/h2>\n<p class=\"sl-lead\">Use the verified model table and separate technical drawings for mechanical layout, harness design, driver selection and operating-point review.<\/p>\n<\/div>\n<div class=\"sl-data-list\">\n<div class=\"sl-data-row\">Product model<strong>SPHY5776**<\/strong><\/div>\n<div class=\"sl-data-row\">Frame size<strong>57 mm<\/strong><\/div>\n<div class=\"sl-data-row\">Holding torque<strong>2.0 N\u00b7m<\/strong><\/div>\n<div class=\"sl-data-row\">Rated current<strong>2.0 A<\/strong><\/div>\n<div class=\"sl-data-row\">Recommended driver<strong>M542C<\/strong><\/div>\n<\/div>\n<\/div>\n<\/section>\n<section id=\"sl-consultation\" class=\"sl-fullbleed sl-cta\">\n<div class=\"sl-inner sl-cta-inner\">\n<div>\n<h2>Discuss your 57 mm vacuum motion requirement with our engineers.<\/h2>\n<p>Share your chamber pressure, temperature, load, speed, duty cycle, radiation level and installation requirements for configuration review.\n<\/p><\/div>\n<p><a class=\"sl-button\" href=\"https:\/\/spotlight-motor.com\/contact\/\">Request consultation&nbsp;&nbsp;\u2192<\/a><\/div>\n<\/section>\n<section class=\"sl-fullbleed sl-related\">\n<div class=\"sl-inner sl-related-inner\">\n<div>\n<h3>Explore related vacuum motion solutions<\/h3>\n<p>Compare additional vacuum stepper motor options for your next machine design.\n<\/p><\/div>\n<p><a href=\"https:\/\/spotlight-motor.com\/product-category\/aerospace-grade-special-motors\/vacuum-stepper-motor\/\">View product category&nbsp;\u2192<\/a><\/div>\n<\/section>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u9ad8\u8f6c\u77e9 57 mm \u771f\u7a7a\u6b65\u8fdb\u7535\u673a\uff0c\u4fdd\u6301\u8f6c\u77e9 2.0 N\u00b7m\u3001\u989d\u5b9a\u7535\u6d41 2.0 A\uff0c\u5e76\u53ef\u6309\u9700\u914d\u7f6e\u771f\u7a7a\u3001\u6e29\u5ea6\u53ca\u8010\u8f90\u5c04\u7b49\u7ea7\uff0c\u9002\u7528\u4e8e\u4e25\u82db\u81ea\u52a8\u5316\u7cfb\u7edf\u3002<\/p>","protected":false},"featured_media":5226,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_uag_custom_page_level_css":"","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 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57 mm vacuum stepper motor with 2.0 N\u00b7m holding torque, 2.0 A rated current and configurable vacuum, temperature and radiation options for demanding automation systems.","_links":{"self":[{"href":"https:\/\/spotlight-motor.com\/zh\/wp-json\/wp\/v2\/product\/4846","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/spotlight-motor.com\/zh\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/spotlight-motor.com\/zh\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/spotlight-motor.com\/zh\/wp-json\/wp\/v2\/comments?post=4846"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/spotlight-motor.com\/zh\/wp-json\/wp\/v2\/media\/5226"}],"wp:attachment":[{"href":"https:\/\/spotlight-motor.com\/zh\/wp-json\/wp\/v2\/media?parent=4846"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/spotlight-motor.com\/zh\/wp-json\/wp\/v2\/product_brand?post=4846"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/spotlight-motor.com\/zh\/wp-json\/wp\/v2\/product_cat?post=4846"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/spotlight-motor.com\/zh\/wp-json\/wp\/v2\/product_tag?post=4846"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}