{"id":5283,"date":"2026-08-20T04:48:54","date_gmt":"2026-08-20T04:48:54","guid":{"rendered":"https:\/\/spotlight-motor.com\/?post_type=product&#038;p=5283"},"modified":"2026-08-25T03:10:54","modified_gmt":"2026-08-25T03:10:54","slug":"sp15pm-15-mm-permanent-magnet-linear-actuator","status":"publish","type":"product","link":"https:\/\/spotlight-motor.com\/zh\/product\/sp15pm-15-mm-permanent-magnet-linear-actuator\/","title":{"rendered":"SP15PM 15 mm \u6c38\u78c1\u5f0f\u76f4\u7ebf\u6267\u884c\u5668"},"content":{"rendered":"<style>\nbody.postid-5283 {\n  overflow-x: hidden;\n}\nbody.postid-5283 [data-id=\"4e2fba0\"],\nbody.postid-5283 [data-id=\"169d9d5\"],\nbody.postid-5283 [data-id=\"4ab745c\"],\nbody.postid-5283 [data-id=\"a65d5ba\"],\nbody.postid-5283 [data-id=\"77d8c47\"],\nbody.postid-5283 [data-id=\"79389ad\"],\nbody.postid-5283 [data-id=\"8d9b055\"],\nbody.postid-5283 [data-id=\"6b8732b\"],\nbody.postid-5283 [data-id=\"bc89a15\"] {\n  display: none !important;\n}\nbody.postid-5283 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img{height:auto;max-height:300px}.sl-feature-card:hover{transform:none;box-shadow:none}}\n@media(prefers-reduced-motion:reduce){.sl-feature-card{transition:none!important}.sl-feature-card:hover{transform:none!important;box-shadow:none!important}}\nbody.postid-5283 [data-id=\"691a024\"]{height:auto!important;min-height:0!important;}\nbody.postid-5283 [data-id=\"691a024\"]>.elementor-widget-container{margin-top:0!important;}\n.sl-drawing-grid>p{display:none!important;}\n.sl-drawing-grid:has(>figure:only-of-type){grid-template-columns:minmax(0,760px);justify-content:center;}\n@media(max-width:767px){.sl-drawing-grid:has(>figure:only-of-type){grid-template-columns:1fr;justify-content:stretch;}}\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\">\n    <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>\n  <\/div>\n<\/nav>\n<section id=\"sl-features\" class=\"sl-fullbleed sl-section sl-features\">\n<div class=\"sl-inner\">\n<p class=\"sl-kicker\">15 mm permanent magnet linear actuator<\/p>\n<h2 class=\"sl-title\">Compact lead-screw actuation for space-limited mechanisms<\/h2>\n<p class=\"sl-lead\">The SP15PM converts 18\u00b0 permanent-magnet stepper motion into controlled linear travel. Fixed-nut and external-drive configurations support compact positioning, adjustment and dispensing mechanisms.<\/p>\n<div class=\"sl-feature-grid\">\n<article class=\"sl-feature-card\">\n<div class=\"sl-feature-icon\"><svg viewBox=\"0 0 48 48\" aria-hidden=\"true\"><path d=\"M8 24h32M32 16l8 8-8 8M16 16l-8 8 8 8\"\/><\/svg><\/div>\n<div class=\"sl-feature-value\">15 mm<\/div>\n<h3>Compact motor frame<\/h3>\n<p>A small 15 mm motor body and 15 g nominal weight help reduce the size and moving mass of compact equipment.<\/p>\n<\/article>\n<article class=\"sl-feature-card\">\n<div class=\"sl-feature-icon\"><svg viewBox=\"0 0 48 48\" aria-hidden=\"true\"><path d=\"M8 14h32M8 24h32M8 34h32M16 10v8M28 20v8M36 30v8\"\/><\/svg><\/div>\n<div class=\"sl-feature-value\">0.025 \/ 0.05 mm<\/div>\n<h3>Two travel increments<\/h3>\n<p>AD and AB lead options provide two full-step travel values for balancing linear resolution, speed and available thrust.<\/p>\n<\/article>\n<article class=\"sl-feature-card\">\n<div class=\"sl-feature-icon\"><svg viewBox=\"0 0 48 48\" aria-hidden=\"true\"><rect x=\"10\" y=\"10\" width=\"28\" height=\"28\" rx=\"3\"\/><path d=\"M4 24h40M24 4v40\"\/><\/svg><\/div>\n<div class=\"sl-feature-value\">2 configurations<\/div>\n<h3>Flexible mechanical integration<\/h3>\n<p>Choose a fixed-nut or external-drive arrangement with threaded, plain, unmachined or customer-specific screw-end machining.<\/p>\n<\/article><\/div>\n<\/p><\/div>\n<\/section>\n<section id=\"sl-technical\" class=\"sl-fullbleed sl-section sl-tech\">\n<div class=\"sl-inner\">\n<p class=\"sl-kicker\">Technical data<\/p>\n<h2 class=\"sl-title\">SP15PM electrical and linear-motion specifications<\/h2>\n<div class=\"sl-spec-grid\">\n<div class=\"sl-spec\"><strong>15 mm<\/strong><span>Frame size<\/span><\/div>\n<div class=\"sl-spec\"><strong>Up to 8 N<\/strong><span>Reference thrust<\/span><\/div>\n<div class=\"sl-spec\"><strong>0.5\u20131.0 mm<\/strong><span>Lead range<\/span><\/div>\n<div class=\"sl-spec\"><strong>Fixed \/ External<\/strong><span>Configurations<\/span><\/div>\n<\/p><\/div>\n<div class=\"sl-parameter-layout\">\n<div class=\"sl-parameter-panel sl-parameter-panel--wide\">\n<div class=\"sl-parameter-head\">\n<div>\n<p class=\"sl-kicker\">Electrical platform<\/p>\n<h3>Motor characteristics<\/h3>\n<\/div>\n<\/div>\n<div class=\"sl-table-scroll\">\n<table class=\"sl-data-table sl-data-table--wide\">\n<thead>\n<tr>\n<th>Parameter<\/th>\n<th>4 V winding<\/th>\n<th>5 V winding<\/th>\n<th>12 V winding<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Motor type<\/td>\n<td colspan=\"3\">Bipolar permanent-magnet stepper<\/td>\n<\/tr>\n<tr>\n<td>Drive configuration<\/td>\n<td colspan=\"3\">Fixed-nut \/ External-drive<\/td>\n<\/tr>\n<tr>\n<td>Step angle<\/td>\n<td colspan=\"3\">18\u00b0<\/td>\n<\/tr>\n<tr>\n<td>Phase current<\/td>\n<td>200 mA<\/td>\n<td>160 mA<\/td>\n<td>70 mA<\/td>\n<\/tr>\n<tr>\n<td>Phase resistance<\/td>\n<td>20 \u03a9<\/td>\n<td>33 \u03a9<\/td>\n<td>180 \u03a9<\/td>\n<\/tr>\n<tr>\n<td>Phase inductance<\/td>\n<td>506 mH<\/td>\n<td>8.7 mH<\/td>\n<td>49 mH<\/td>\n<\/tr>\n<tr>\n<td>Power<\/td>\n<td colspan=\"3\">1.6 W<\/td>\n<\/tr>\n<tr>\n<td>Rotor inertia<\/td>\n<td colspan=\"3\">1 g\u00b7cm\u00b2<\/td>\n<\/tr>\n<tr>\n<td>Insulation class<\/td>\n<td colspan=\"3\">Class E<\/td>\n<\/tr>\n<tr>\n<td>Insulation resistance<\/td>\n<td colspan=\"3\">100 M\u03a9<\/td>\n<\/tr>\n<tr>\n<td>Weight<\/td>\n<td colspan=\"3\">15 g<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<\/p><\/div>\n<div class=\"sl-parameter-panel sl-parameter-panel--wide\">\n<div class=\"sl-parameter-head\">\n<div>\n<p class=\"sl-kicker\">Linear travel selection<\/p>\n<h3>Available leads and travel per full step<\/h3>\n<\/div>\n<\/div>\n<div class=\"sl-table-scroll\">\n<table class=\"sl-data-table\">\n<thead>\n<tr>\n<th>Lead code<\/th>\n<th>Lead (mm)<\/th>\n<th>Lead (in)<\/th>\n<th>Travel per 18\u00b0 step (mm)<\/th>\n<th>Travel per step (in)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>AD<\/td>\n<td>0.5<\/td>\n<td>0.0197<\/td>\n<td>0.025<\/td>\n<td>0.000985<\/td>\n<\/tr>\n<tr>\n<td>AB<\/td>\n<td>1.0<\/td>\n<td>0.0394<\/td>\n<td>0.05<\/td>\n<td>0.00197<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<\/p><\/div>\n<div class=\"sl-parameter-panel sl-parameter-panel--wide\">\n<div class=\"sl-parameter-head\">\n<div>\n<p class=\"sl-kicker\">Reference test points<\/p>\n<h3>Speed and pulse-rate relationship<\/h3>\n<\/div>\n<\/div>\n<div class=\"sl-table-scroll\">\n<table class=\"sl-data-table sl-data-table--wide\">\n<thead>\n<tr>\n<th>Motor speed (RPM)<\/th>\n<th>600<\/th>\n<th>1200<\/th>\n<th>1800<\/th>\n<th>2400<\/th>\n<th>3000<\/th>\n<th>3600<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<th>Pulse rate (PPS)<\/th>\n<td>200<\/td>\n<td>400<\/td>\n<td>600<\/td>\n<td>800<\/td>\n<td>1000<\/td>\n<td>1200<\/td>\n<\/tr>\n<tr>\n<th>AD linear speed (mm\/s)<\/th>\n<td>5<\/td>\n<td>10<\/td>\n<td>20<\/td>\n<td>30<\/td>\n<td>40<\/td>\n<td>50<\/td>\n<\/tr>\n<tr>\n<th>AB linear speed (mm\/s)<\/th>\n<td>10<\/td>\n<td>20<\/td>\n<td>40<\/td>\n<td>60<\/td>\n<td>80<\/td>\n<td>100<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<p class=\"sl-note\">Reference thrust-speed curves use a 5 V \/ 18\u00b0 motor with a 24 VDC constant-current drive. Actual force depends on winding, lead, driver settings, acceleration, screw support and duty cycle.<\/p>\n<\/p><\/div>\n<\/p><\/div>\n<div class=\"sl-drawing-group\">\n<p class=\"sl-kicker\">Mechanical drawings<\/p>\n<h3>Fixed-nut and external-drive configurations<\/h3>\n<div class=\"sl-drawing-grid\">\n<figure class=\"sl-drawing-card sl-drawing-card--wide\"><img decoding=\"async\" src=\"https:\/\/spotlight-motor.com\/wp-content\/uploads\/2026\/08\/sp15pm-fixed-nut-dimensions-clean.jpg\" alt=\"SP15PM 15 mm fixed-nut permanent magnet linear actuator dimensions\" loading=\"lazy\" title=\"SP15PM 15 mm Permanent Magnet Linear Actuator\"><figcaption>Fixed-nut configuration dimensions<\/figcaption><\/figure>\n<figure class=\"sl-drawing-card sl-drawing-card--wide\"><img decoding=\"async\" src=\"https:\/\/spotlight-motor.com\/wp-content\/uploads\/2026\/08\/sp15pm-external-drive-dimensions-clean.jpg\" alt=\"SP15PM 15 mm external-drive permanent magnet linear actuator dimensions\" loading=\"lazy\" title=\"SP15PM 15 mm Permanent Magnet Linear Actuator\"><figcaption>External-drive configuration dimensions<\/figcaption><\/figure>\n<\/p><\/div>\n<\/p><\/div>\n<div class=\"sl-drawing-group\">\n<p class=\"sl-kicker\">Performance reference<\/p>\n<h3>Thrust-speed curve<\/h3>\n<div class=\"sl-drawing-grid\">\n<figure class=\"sl-drawing-card sl-drawing-card--wide\"><img decoding=\"async\" src=\"https:\/\/spotlight-motor.com\/wp-content\/uploads\/2026\/08\/sp15pm-thrust-speed-curve-en.png\" alt=\"SP15PM 15 mm permanent magnet linear actuator thrust-speed curve\" loading=\"lazy\" title=\"SP15PM 15 mm Permanent Magnet Linear Actuator\"><figcaption>AD and AB reference curves at 24 VDC constant-current drive<\/figcaption><\/figure>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/section>\n<section id=\"sl-integration\" class=\"sl-fullbleed sl-showcase\">\n<div class=\"sl-inner sl-showcase-grid\">\n<div>\n<p class=\"sl-kicker\">Integration options<\/p>\n<h2 class=\"sl-title\">Match the actuator to the guided mechanism<\/h2>\n<p>Use the fixed-nut version when the supported screw translates through the mechanism, or select the external-drive version when the application supports and guides the moving nut or load interface.<\/p>\n<ul class=\"sl-checks\">\n<li>AD and AB lead selections<\/li>\n<li>Fixed-nut and external-drive layouts<\/li>\n<li>Threaded, plain, unmachined or custom screw ends<\/li>\n<li>Application-specific screw length and interface dimensions<\/li>\n<\/ul><\/div>\n<div class=\"sl-product-visual\"><img decoding=\"async\" src=\"https:\/\/spotlight-motor.com\/wp-content\/uploads\/2026\/08\/sp15pm-main-image-final.png\" alt=\"SP15PM 15 mm permanent magnet linear actuator\" loading=\"lazy\" title=\"SP15PM 15 mm Permanent Magnet Linear Actuator\"><\/div>\n<\/p><\/div>\n<\/section>\n<section id=\"sl-applications\" class=\"sl-fullbleed sl-section sl-applications\">\n<div class=\"sl-inner\">\n<p class=\"sl-kicker\">Typical applications<\/p>\n<h2 class=\"sl-title\">Compact linear motion for precision equipment<\/h2>\n<p class=\"sl-lead\">SP15PM is intended for guided, space-limited axes that need a simple bipolar stepper interface and selectable travel per step.<\/p>\n<div class=\"sl-application-grid\">\n<article class=\"sl-application-card\">\n<h3>Medical and laboratory devices<\/h3>\n<p>Compact adjustment, fluid-handling and sample-positioning mechanisms.<\/p>\n<\/article>\n<article class=\"sl-application-card\">\n<h3>Optical equipment<\/h3>\n<p>Lens, aperture and alignment mechanisms with guided linear travel.<\/p>\n<\/article>\n<article class=\"sl-application-card\">\n<h3>Portable instruments<\/h3>\n<p>Low-mass motion assemblies where package size and simple drive electronics are important.<\/p>\n<\/article>\n<article class=\"sl-application-card\">\n<h3>Automation modules<\/h3>\n<p>Small dispensing, locking, selection and mechanical adjustment functions.<\/p>\n<\/article><\/div>\n<\/p><\/div>\n<\/section>\n<section class=\"sl-fullbleed sl-section sl-integration\">\n<div class=\"sl-inner sl-integration-grid\">\n<div>\n<p class=\"sl-kicker\">Selection guidance<\/p>\n<h2 class=\"sl-title\">Define the required stroke, load and speed<\/h2>\n<p class=\"sl-lead\">For configuration support, provide the required stroke, axial load, target speed, duty cycle, installation orientation, supply voltage and screw-end interface.<\/p>\n<\/p><\/div>\n<div class=\"sl-data-list\">\n<div class=\"sl-data-row\"><span>Frame<\/span><strong>15 mm<\/strong><\/div>\n<div class=\"sl-data-row\"><span>Step angle<\/span><strong>18\u00b0<\/strong><\/div>\n<div class=\"sl-data-row\"><span>Lead options<\/span><strong>0.5 \/ 1.0 mm<\/strong><\/div>\n<div class=\"sl-data-row\"><span>Full-step travel<\/span><strong>0.025 \/ 0.05 mm<\/strong><\/div>\n<div class=\"sl-data-row\"><span>Configurations<\/span><strong>Fixed-nut \/ External-drive<\/strong><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/section>\n<section id=\"sl-consultation\" class=\"sl-fullbleed sl-cta\">\n<div class=\"sl-inner sl-cta-inner\">\n<div>\n<p class=\"sl-kicker\">Configure SP15PM<\/p>\n<h2 class=\"sl-title\">Discuss your compact linear-motion requirement<\/h2>\n<p>Send the stroke, load, speed, duty cycle and mechanical interface. Spotlight Motor can help match the winding, lead, actuator layout and screw-end machining.<\/p>\n<\/p><\/div>\n<p><a class=\"sl-button\" href=\"https:\/\/spotlight-motor.com\/contact\/\">Request engineering support<\/a><\/p>\n<\/p><\/div>\n<\/section>\n<section class=\"sl-fullbleed sl-related\">\n<div class=\"sl-inner sl-related-inner\">\n<div>\n<p class=\"sl-kicker\">Explore the range<\/p>\n<h2>Related linear actuator products<\/h2>\n<\/div>\n<p><a href=\"https:\/\/spotlight-motor.com\/product-category\/precision-micro-motors-actuators\/linear-actuator\/\">View all linear actuators \u2192<\/a><\/p>\n<\/p><\/div>\n<\/section>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u7d27\u51d1\u578b 15 mm \u6c38\u78c1\u5f0f\u76f4\u7ebf\u6267\u884c\u5668\uff0c\u6b65\u8ddd\u89d2\u4e3a 18\u00b0\uff0c\u5bfc\u7a0b\u53ef\u9009 0.5 \u6216 1.0 mm\uff0c\u5e76\u63d0\u4f9b\u56fa\u5b9a\u87ba\u6bcd\u5f0f\u6216\u5916\u9a71\u5f0f\u7ed3\u6784\uff0c\u9002\u7528\u4e8e\u5e26\u5bfc\u5411\u7684\u7cbe\u5bc6\u673a\u6784\u3002<\/p>","protected":false},"featured_media":5287,"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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15 mm permanent magnet linear actuator with an 18\u00b0 step angle, 0.5 or 1.0 mm lead, and fixed-nut or external-drive options for guided precision mechanisms.","_links":{"self":[{"href":"https:\/\/spotlight-motor.com\/zh\/wp-json\/wp\/v2\/product\/5283","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=5283"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/spotlight-motor.com\/zh\/wp-json\/wp\/v2\/media\/5287"}],"wp:attachment":[{"href":"https:\/\/spotlight-motor.com\/zh\/wp-json\/wp\/v2\/media?parent=5283"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/spotlight-motor.com\/zh\/wp-json\/wp\/v2\/product_brand?post=5283"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/spotlight-motor.com\/zh\/wp-json\/wp\/v2\/product_cat?post=5283"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/spotlight-motor.com\/zh\/wp-json\/wp\/v2\/product_tag?post=5283"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}