{"id":4993,"date":"2026-07-31T09:58:49","date_gmt":"2026-07-31T09:58:49","guid":{"rendered":"https:\/\/spotlight-motor.com\/?post_type=product&#038;p=4993"},"modified":"2026-08-31T06:01:21","modified_gmt":"2026-08-31T06:01:21","slug":"sp42sla-42-mm-sliding-lead-screw-linear-actuator","status":"publish","type":"product","link":"https:\/\/spotlight-motor.com\/zh\/product\/sp42sla-42-mm-sliding-lead-screw-linear-actuator\/","title":{"rendered":"SP42SLA 42 mm \u6ed1\u52a8\u4e1d\u6746\u76f4\u7ebf\u6267\u884c\u5668"},"content":{"rendered":"<style>\nbody.postid-4993 {\n  overflow-x: hidden;\n}\nbody.postid-4993 [data-id=\"4e2fba0\"],\nbody.postid-4993 [data-id=\"169d9d5\"],\nbody.postid-4993 [data-id=\"4ab745c\"],\nbody.postid-4993 [data-id=\"a65d5ba\"],\nbody.postid-4993 [data-id=\"77d8c47\"],\nbody.postid-4993 [data-id=\"79389ad\"],\nbody.postid-4993 [data-id=\"8d9b055\"],\nbody.postid-4993 [data-id=\"6b8732b\"],\nbody.postid-4993 [data-id=\"bc89a15\"] {\n  display: none 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}\n}<\/p>\n<p>.sl-product-page a{-webkit-tap-highlight-color:transparent}.sl-product-page 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\">Overview<\/a><a href=\"#sl-technical\">Technical data<\/a><a href=\"#sl-integration\">Integration<\/a><a href=\"#sl-applications\">Applications<\/a><a href=\"#sl-consultation\">Request a quote<\/a><\/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\">42 mm linear motion platform<\/p>\n<h2 class=\"sl-title\">High-thrust linear positioning in a configurable 42 mm frame<\/h2>\n<p class=\"sl-lead\">The SP42SLA 42 mm sliding lead screw linear actuator converts stepper-motor rotation into controlled linear travel for industrial mechanisms that require compact packaging, repeatable positioning and flexible mechanical integration. Select the motor winding, screw lead and output configuration to match the required thrust, speed and installation envelope.<\/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\">Up to 600 N<\/div>\n<h3>High linear thrust<\/h3>\n<p>A robust 42 mm motor platform supports demanding push-pull positioning tasks when paired with the correct lead and drive profile.<\/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\">22 lead codes<\/div>\n<h3>Wide lead selection<\/h3>\n<p>Available lead values span 0.6096 to 25.4 mm, allowing engineering trade-offs between travel per step, speed and axial force.<\/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\">4 configurations<\/div>\n<h3>Flexible integration<\/h3>\n<p>External-drive, through-shaft, C-type fixed-shaft and K-type fixed-shaft layouts cover a broad range of guided linear mechanisms.<\/p>\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<p class=\"sl-kicker\">Technical data<\/p>\n<h2 class=\"sl-title\">Specification data for engineering selection<\/h2>\n<div class=\"sl-spec-grid\">\n<div class=\"sl-spec\"><strong>42 mm<\/strong><span>Frame size<\/span><\/div>\n<div class=\"sl-spec\"><strong>Up to 600 N<\/strong><span>Maximum thrust<\/span><\/div>\n<div class=\"sl-spec\"><strong>0.6096\u201325.4 mm<\/strong><span>Lead range<\/span><\/div>\n<div class=\"sl-spec\"><strong>\u221220 to +55 \u00b0C<\/strong><span>Ambient range<\/span><\/div>\n<\/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 electrical specifications<\/h3>\n<\/div>\n<\/div>\n<div class=\"sl-table-scroll\">\n<table class=\"sl-data-table\">\n<thead>\n<tr>\n<th>Winding<\/th>\n<th>Phase voltage<\/th>\n<th>Phase current (RMS)<\/th>\n<th>Phase resistance<\/th>\n<th>Phase inductance<\/th>\n<th>Weight<\/th>\n<th>Leads<\/th>\n<th>Motor length<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>17-2105<\/td>\n<td>7.2 V<\/td>\n<td>0.5 A<\/td>\n<td>14.4 \u03a9<\/td>\n<td>19.8 mH<\/td>\n<td>254 g<\/td>\n<td>4<\/td>\n<td>34.1 mm<\/td>\n<\/tr>\n<tr>\n<td>17-2110<\/td>\n<td>3.8 V<\/td>\n<td>1.0 A<\/td>\n<td>3.8 \u03a9<\/td>\n<td>5 mH<\/td>\n<td>254 g<\/td>\n<td>4<\/td>\n<td>34.1 mm<\/td>\n<\/tr>\n<tr>\n<td>17-2115<\/td>\n<td>2.85 V<\/td>\n<td>1.5 A<\/td>\n<td>1.9 \u03a9<\/td>\n<td>2.2 mH<\/td>\n<td>254 g<\/td>\n<td>4<\/td>\n<td>34.1 mm<\/td>\n<\/tr>\n<tr>\n<td>17-2205<\/td>\n<td>11 V<\/td>\n<td>0.5 A<\/td>\n<td>22 \u03a9<\/td>\n<td>46 mH<\/td>\n<td>386 g<\/td>\n<td>4<\/td>\n<td>48.1 mm<\/td>\n<\/tr>\n<tr>\n<td>17-2212<\/td>\n<td>4.5 V<\/td>\n<td>1.2 A<\/td>\n<td>3.8 \u03a9<\/td>\n<td>8 mH<\/td>\n<td>386 g<\/td>\n<td>4<\/td>\n<td>48.1 mm<\/td>\n<\/tr>\n<tr>\n<td>17-2225<\/td>\n<td>2.5 V<\/td>\n<td>2.5 A<\/td>\n<td>1 \u03a9<\/td>\n<td>1.8 mH<\/td>\n<td>386 g<\/td>\n<td>4<\/td>\n<td>48.1 mm<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p class=\"sl-note\">Class B insulation. Rated temperature rise: 80 \u00b0C. Recommended ambient operating range: \u221220 to +55 \u00b0C.<\/p>\n<\/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 screw leads and travel per step<\/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>Screw \u00d8 (in)<\/th>\n<th>Screw \u00d8 (mm)<\/th>\n<th>Lead (in)<\/th>\n<th>Lead (mm)<\/th>\n<th>Lead code<\/th>\n<th>Travel at 1.8\u00b0 (mm)<\/th>\n<th>Travel at 0.9\u00b0 (mm)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>0.25<\/td>\n<td>6.35<\/td>\n<td>0.024<\/td>\n<td>0.6096<\/td>\n<td>AA<\/td>\n<td>0.003048<\/td>\n<td>0.0015<\/td>\n<\/tr>\n<tr>\n<td>0.236 \/ 0.25 \/ 0.315<\/td>\n<td>6 \/ 6.35 \/ 8<\/td>\n<td>0.0394<\/td>\n<td>1<\/td>\n<td>AB<\/td>\n<td>0.005<\/td>\n<td>0.0025<\/td>\n<\/tr>\n<tr>\n<td>0.25<\/td>\n<td>6.35<\/td>\n<td>0.025<\/td>\n<td>0.635<\/td>\n<td>A<\/td>\n<td>0.003175<\/td>\n<td>0.0015<\/td>\n<\/tr>\n<tr>\n<td>0.25<\/td>\n<td>6.35<\/td>\n<td>0.048<\/td>\n<td>1.2192<\/td>\n<td>B<\/td>\n<td>0.006<\/td>\n<td>0.003<\/td>\n<\/tr>\n<tr>\n<td>0.25<\/td>\n<td>6.35<\/td>\n<td>0.05<\/td>\n<td>1.27<\/td>\n<td>D<\/td>\n<td>0.0064<\/td>\n<td>0.0032<\/td>\n<\/tr>\n<tr>\n<td>0.25<\/td>\n<td>6.35<\/td>\n<td>0.0625<\/td>\n<td>1.5875<\/td>\n<td>F<\/td>\n<td>0.0079<\/td>\n<td>0.004<\/td>\n<\/tr>\n<tr>\n<td>0.25<\/td>\n<td>6.35<\/td>\n<td>0.096<\/td>\n<td>2.4384<\/td>\n<td>J<\/td>\n<td>0.0122<\/td>\n<td>0.0061<\/td>\n<\/tr>\n<tr>\n<td>0.25<\/td>\n<td>6.35<\/td>\n<td>0.1<\/td>\n<td>2.54<\/td>\n<td>K*<\/td>\n<td>0.0127<\/td>\n<td>0.0064<\/td>\n<\/tr>\n<tr>\n<td>0.25<\/td>\n<td>6.35<\/td>\n<td>0.125<\/td>\n<td>3.175<\/td>\n<td>L*<\/td>\n<td>0.0159<\/td>\n<td>0.0079<\/td>\n<\/tr>\n<tr>\n<td>0.25<\/td>\n<td>6.35<\/td>\n<td>0.192<\/td>\n<td>4.8768<\/td>\n<td>Q<\/td>\n<td>0.024<\/td>\n<td>0.0122<\/td>\n<\/tr>\n<tr>\n<td>0.25<\/td>\n<td>6.35<\/td>\n<td>0.2<\/td>\n<td>5.08<\/td>\n<td>R*<\/td>\n<td>0.0254<\/td>\n<td>0.0127<\/td>\n<\/tr>\n<tr>\n<td>0.25<\/td>\n<td>6.35<\/td>\n<td>0.25<\/td>\n<td>6.35<\/td>\n<td>S*<\/td>\n<td>0.0318<\/td>\n<td>0.0159<\/td>\n<\/tr>\n<tr>\n<td>0.25<\/td>\n<td>6.35<\/td>\n<td>0.3333<\/td>\n<td>8.4667<\/td>\n<td>U<\/td>\n<td>0.0423<\/td>\n<td>0.0212<\/td>\n<\/tr>\n<tr>\n<td>0.25<\/td>\n<td>6.35<\/td>\n<td>0.384<\/td>\n<td>9.7536<\/td>\n<td>W*<\/td>\n<td>0.0488<\/td>\n<td>0.0244<\/td>\n<\/tr>\n<tr>\n<td>0.25<\/td>\n<td>6.35<\/td>\n<td>0.5<\/td>\n<td>12.7<\/td>\n<td>Y*<\/td>\n<td>0.0635<\/td>\n<td>0.0318<\/td>\n<\/tr>\n<tr>\n<td>0.25<\/td>\n<td>6.35<\/td>\n<td>1.0<\/td>\n<td>25.4<\/td>\n<td>Z*<\/td>\n<td>0.127<\/td>\n<td>0.0635<\/td>\n<\/tr>\n<tr>\n<td>0.25<\/td>\n<td>6.35<\/td>\n<td>0.0313<\/td>\n<td>0.794<\/td>\n<td>N<\/td>\n<td>0.00397<\/td>\n<td>0.002<\/td>\n<\/tr>\n<tr>\n<td>0.315<\/td>\n<td>8<\/td>\n<td>0.1575<\/td>\n<td>4<\/td>\n<td>M<\/td>\n<td>0.02<\/td>\n<td>0.01<\/td>\n<\/tr>\n<tr>\n<td>0.315<\/td>\n<td>8<\/td>\n<td>0.315<\/td>\n<td>8<\/td>\n<td>T<\/td>\n<td>0.04<\/td>\n<td>0.02<\/td>\n<\/tr>\n<tr>\n<td>0.25 \/ 0.315<\/td>\n<td>6.35 \/ 8<\/td>\n<td>0.0787<\/td>\n<td>2<\/td>\n<td>G<\/td>\n<td>0.01<\/td>\n<td>0.005<\/td>\n<\/tr>\n<tr>\n<td>0.236 \/ 0.315<\/td>\n<td>6 \/ 8<\/td>\n<td>0.1969<\/td>\n<td>5<\/td>\n<td>E<\/td>\n<td>0.025<\/td>\n<td>0.0125<\/td>\n<\/tr>\n<tr>\n<td>0.315<\/td>\n<td>8<\/td>\n<td>0.3937<\/td>\n<td>10<\/td>\n<td>C<\/td>\n<td>0.05<\/td>\n<td>0.025<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p class=\"sl-note\">Values marked with an asterisk are rounded. Winding and screw length can be configured to order. External-drive assemblies can also be evaluated with a 9.525 mm screw.<\/p>\n<\/div>\n<div class=\"sl-parameter-panel sl-parameter-panel--wide\">\n<div class=\"sl-parameter-head\">\n<div>\n<p class=\"sl-kicker\">Mechanical platform<\/p>\n<h3>Configuration summary<\/h3>\n<\/div>\n<\/div>\n<div class=\"sl-table-scroll\">\n<table class=\"sl-data-table\">\n<thead>\n<tr>\n<th>Configuration<\/th>\n<th>Motor stack<\/th>\n<th>Screw diameter<\/th>\n<th>Integration note<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>External drive<\/td>\n<td>34.1 or 48.1 mm motor stack<\/td>\n<td>6, 6.35 or 8 mm; optional 9.525 mm<\/td>\n<td>Lead screw translates while the nut is supported by the application<\/td>\n<\/tr>\n<tr>\n<td>Through shaft<\/td>\n<td>34.1 or 48.1 mm motor stack<\/td>\n<td>6, 6.35 or 8 mm<\/td>\n<td>Compact translating-screw arrangement through the motor axis<\/td>\n<\/tr>\n<tr>\n<td>C-type fixed shaft<\/td>\n<td>34.1 or 48.1 mm motor stack<\/td>\n<td>Configuration-dependent<\/td>\n<td>Integrated fixed-shaft output for guided linear mechanisms<\/td>\n<\/tr>\n<tr>\n<td>K-type fixed shaft<\/td>\n<td>34.1 or 48.1 mm motor stack<\/td>\n<td>Configuration-dependent<\/td>\n<td>Fixed-shaft assembly for supported loads and custom couplings<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p class=\"sl-note\">Dimensions A, B, C and L are configuration-dependent. Confirm the selected lead, stroke, end machining and load guidance before release.<\/p>\n<\/div>\n<div class=\"sl-parameter-panel sl-parameter-panel--wide\">\n<div class=\"sl-parameter-head\">\n<div>\n<p class=\"sl-kicker\">Feedback options<\/p>\n<h3>Optional encoder selection<\/h3>\n<\/div>\n<\/div>\n<div class=\"sl-table-scroll\">\n<table class=\"sl-data-table\">\n<thead>\n<tr>\n<th>Encoder<\/th>\n<th>Output<\/th>\n<th>Available resolution<\/th>\n<th>Mechanical format<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>EK1<\/td>\n<td>Single-ended \/ differential<\/td>\n<td>100, 108, 120, 125, 128, 200, 250, 256, 300, 360, 400, 500, 512, 720, 800 or 1000 CPR<\/td>\n<td>Compact round encoder<\/td>\n<\/tr>\n<tr>\n<td>EK2<\/td>\n<td>Single-ended \/ differential<\/td>\n<td>50, 100, 192, 200, 250, 256, 360, 400, 500, 720, 900, 1000, 1250, 2000, 2500, 4000 or 5000 CPR<\/td>\n<td>Extended housing encoder<\/td>\n<\/tr>\n<tr>\n<td>EK7<\/td>\n<td>Single-ended \/ differential<\/td>\n<td>1000 or 2000 CPR<\/td>\n<td>Low-profile square encoder option<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p class=\"sl-note\">Encoder availability and mounting dimensions depend on the selected motor stack and rear accessory package.<\/p>\n<\/div>\n<div class=\"sl-parameter-panel sl-parameter-panel--wide\">\n<div class=\"sl-parameter-head\">\n<div>\n<p class=\"sl-kicker\">Holding option<\/p>\n<h3>Optional power-off brake<\/h3>\n<\/div>\n<\/div>\n<div class=\"sl-table-scroll\">\n<table class=\"sl-data-table\">\n<thead>\n<tr>\n<th>Parameter<\/th>\n<th>Value<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Series<\/td>\n<td>42 mm<\/td>\n<\/tr>\n<tr>\n<td>Rated voltage<\/td>\n<td>24 VDC \u00b15%<\/td>\n<\/tr>\n<tr>\n<td>Resistance<\/td>\n<td>145 \u03a9 \u00b110%<\/td>\n<\/tr>\n<tr>\n<td>Power<\/td>\n<td>5 W<\/td>\n<\/tr>\n<tr>\n<td>Static torque<\/td>\n<td>&gt; 0.8 N\u00b7m<\/td>\n<\/tr>\n<tr>\n<td>Insulation class<\/td>\n<td>Class B<\/td>\n<\/tr>\n<tr>\n<td>Insulation resistance<\/td>\n<td>&gt; 100 M\u03a9 at 500 VDC<\/td>\n<\/tr>\n<tr>\n<td>Dielectric strength<\/td>\n<td>1000 VAC for 1 s<\/td>\n<\/tr>\n<tr>\n<td>Pull-in time<\/td>\n<td>50 ms<\/td>\n<\/tr>\n<tr>\n<td>Release time<\/td>\n<td>50 ms<\/td>\n<\/tr>\n<tr>\n<td>Rotational clearance<\/td>\n<td>1\u00b0<\/td>\n<\/tr>\n<tr>\n<td>Emergency braking<\/td>\n<td>200 cycles<\/td>\n<\/tr>\n<tr>\n<td>Mechanical life<\/td>\n<td>500,000 cycles<\/td>\n<\/tr>\n<tr>\n<td>Noise<\/td>\n<td>&lt; 60 dB(A)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p class=\"sl-note\">The brake is intended to hold a stationary axis after power removal. Emergency-braking limits and thermal duty must be reviewed for the application.<\/p>\n<\/div>\n<\/div>\n<div class=\"sl-drawing-group\">\n<p class=\"sl-kicker\">Mechanical drawings<\/p>\n<h3>Configuration dimensions<\/h3>\n<div class=\"sl-drawing-grid\">\n<figure class=\"sl-drawing-card\"><img decoding=\"async\" src=\"https:\/\/spotlight-motor.com\/wp-content\/uploads\/2026\/08\/sp42sla-external-drive-dimensions-hd-en-scaled.png\" alt=\"SP42SLA 42 mm external-drive sliding lead screw linear actuator dimensions\" loading=\"lazy\" title=\"SP42SLA 42 mm Sliding Lead Screw Linear Actuator\"><figcaption>External-drive configuration dimensions<\/figcaption><\/figure>\n<figure class=\"sl-drawing-card\"><img decoding=\"async\" src=\"https:\/\/spotlight-motor.com\/wp-content\/uploads\/2026\/08\/sp42sla-through-shaft-dimensions-hd-en-scaled.png\" alt=\"SP42SLA 42 mm through-shaft sliding lead screw linear actuator dimensions\" loading=\"lazy\" title=\"SP42SLA 42 mm Sliding Lead Screw Linear Actuator\"><figcaption>Through-shaft configuration dimensions<\/figcaption><\/figure>\n<figure class=\"sl-drawing-card\"><img decoding=\"async\" src=\"https:\/\/spotlight-motor.com\/wp-content\/uploads\/2026\/08\/sp42sla-c-type-fixed-shaft-dimensions-hd-en-scaled.png\" alt=\"SP42SLA 42 mm C-type fixed-shaft linear actuator dimensions\" loading=\"lazy\" title=\"SP42SLA 42 mm Sliding Lead Screw Linear Actuator\"><figcaption>C-type fixed-shaft configuration dimensions<\/figcaption><\/figure>\n<figure class=\"sl-drawing-card\"><img decoding=\"async\" src=\"https:\/\/spotlight-motor.com\/wp-content\/uploads\/2026\/08\/sp42sla-k-type-fixed-shaft-dimensions-hd-en-scaled.png\" alt=\"SP42SLA 42 mm K-type fixed-shaft linear actuator dimensions\" loading=\"lazy\" title=\"SP42SLA 42 mm Sliding Lead Screw Linear Actuator\"><figcaption>K-type fixed-shaft 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\/sp42sla-power-off-brake-dimensions-hd-en-scaled.png\" alt=\"SP42SLA optional 42 mm power-off brake dimensions\" loading=\"lazy\" title=\"SP42SLA 42 mm Sliding Lead Screw Linear Actuator\"><figcaption>Optional power-off brake dimensions<\/figcaption><\/figure>\n<\/div>\n<\/div>\n<div class=\"sl-drawing-group\">\n<p class=\"sl-kicker\">Performance reference<\/p>\n<h3>Thrust-speed curves<\/h3>\n<div class=\"sl-drawing-grid\">\n<figure class=\"sl-drawing-card\"><img decoding=\"async\" src=\"https:\/\/spotlight-motor.com\/wp-content\/uploads\/2026\/08\/sp42sla-single-stack-thrust-speed-curves-hd-en-scaled.png\" alt=\"SP42SLA single-stack thrust-speed performance curves\" loading=\"lazy\" title=\"SP42SLA 42 mm Sliding Lead Screw Linear Actuator\"><figcaption>Single-stack motor reference curves at 24 VDC<\/figcaption><\/figure>\n<figure class=\"sl-drawing-card\"><img decoding=\"async\" src=\"https:\/\/spotlight-motor.com\/wp-content\/uploads\/2026\/08\/sp42sla-double-stack-thrust-speed-curves-hd-en-scaled.png\" alt=\"SP42SLA double-stack thrust-speed performance curves\" loading=\"lazy\" title=\"SP42SLA 42 mm Sliding Lead Screw Linear Actuator\"><figcaption>Double-stack motor reference curves at 24 VDC<\/figcaption><\/figure>\n<\/div>\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<p class=\"sl-kicker\">Application-ready integration<\/p>\n<h2 class=\"sl-title\">Select the complete motion assembly, not only the motor<\/h2>\n<p>Lead choice sets the basic balance between speed, resolution and force. Reliable machine performance also depends on drive current, acceleration, external guidance, screw support, lubrication strategy and operating duty.<\/p>\n<ul class=\"sl-checks\">\n<li>External-drive, through-shaft and fixed-shaft layouts<\/li>\n<li>Custom screw length and end machining<\/li>\n<li>Optional encoder, power-off brake and anti-backlash nut<\/li>\n<li>PTFE-coated screw option for low-lubrication applications<\/li>\n<\/ul>\n<\/div>\n<div class=\"sl-product-visual\"><img decoding=\"async\" src=\"https:\/\/spotlight-motor.com\/wp-content\/uploads\/2026\/07\/sp42sla-main-hero.png\" alt=\"SP42SLA 42 mm sliding lead screw linear actuator configurations\" loading=\"lazy\" title=\"SP42SLA 42 mm Sliding Lead Screw Linear Actuator\"><\/div>\n<\/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\">Built for repeatable industrial linear motion<\/h2>\n<p class=\"sl-lead\">SP42SLA is suited to guided axes where compact geometry, configurable travel and controllable thrust are more important than a fully enclosed actuator package.<\/p>\n<div class=\"sl-application-grid\">\n<article class=\"sl-application-card\">\n<h3>Semiconductor and electronics<\/h3>\n<p>Wafer-handling modules, inspection fixtures, test equipment and precision component positioning.<\/p>\n<\/article>\n<article class=\"sl-application-card\">\n<h3>Laboratory and medical equipment<\/h3>\n<p>Sample-handling mechanisms, optical adjustment, fluid-control positioning and automated analysis systems.<\/p>\n<\/article>\n<article class=\"sl-application-card\">\n<h3>Industrial automation<\/h3>\n<p>Dispensing, labeling, packaging, pick-and-place tooling, valve adjustment and compact transfer mechanisms.<\/p>\n<\/article>\n<article class=\"sl-application-card\">\n<h3>Optics and instrumentation<\/h3>\n<p>Focus adjustment, sensor positioning, calibration fixtures and compact scientific motion modules.<\/p>\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<p class=\"sl-kicker\">Selection guidance<\/p>\n<h2 class=\"sl-title\">Engineering information required for configuration<\/h2>\n<p class=\"sl-lead\">For a reliable recommendation, provide the required stroke, thrust, target speed, duty cycle, installation orientation, available supply voltage, positioning resolution and environmental conditions.<\/p>\n<\/div>\n<div class=\"sl-data-list\">\n<div class=\"sl-data-row\"><span>Frame<\/span><strong>42 mm<\/strong><\/div>\n<div class=\"sl-data-row\"><span>Motor stack<\/span><strong>34.1 or 48.1 mm<\/strong><\/div>\n<div class=\"sl-data-row\"><span>Screw diameter<\/span><strong>6 \/ 6.35 \/ 8 mm<\/strong><\/div>\n<div class=\"sl-data-row\"><span>Lead range<\/span><strong>0.6096\u201325.4 mm<\/strong><\/div>\n<div class=\"sl-data-row\"><span>Options<\/span><strong>Encoder \/ brake \/ custom machining<\/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<p class=\"sl-kicker\">Configure SP42SLA<\/p>\n<h2 class=\"sl-title\">Discuss your linear-motion requirement<\/h2>\n<p>Send the stroke, load, speed, duty cycle and installation constraints. Spotlight Motor can help match the winding, lead, mechanical layout and feedback package.<\/p>\n<\/div>\n<p><a class=\"sl-button\" href=\"https:\/\/spotlight-motor.com\/contact\/\">Request engineering support<\/a><\/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><\/div>\n<\/section>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u53ef\u914d\u7f6e 42 mm \u6ed1\u52a8\u4e1d\u6746\u76f4\u7ebf\u6267\u884c\u5668\uff0c\u6700\u5927\u63a8\u529b 600 N\uff0c\u63d0\u4f9b\u591a\u79cd\u5bfc\u7a0b\u3001\u7f16\u7801\u5668\u3001\u5236\u52a8\u5668\u548c\u673a\u68b0\u7ed3\u6784\u9009\u9879\u3002<\/p>","protected":false},"featured_media":4985,"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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configurable 42 mm sliding lead screw linear actuator delivering up to 600 N thrust with multiple lead, encoder, brake and mechanical configuration options.","_links":{"self":[{"href":"https:\/\/spotlight-motor.com\/zh\/wp-json\/wp\/v2\/product\/4993","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=4993"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/spotlight-motor.com\/zh\/wp-json\/wp\/v2\/media\/4985"}],"wp:attachment":[{"href":"https:\/\/spotlight-motor.com\/zh\/wp-json\/wp\/v2\/media?parent=4993"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/spotlight-motor.com\/zh\/wp-json\/wp\/v2\/product_brand?post=4993"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/spotlight-motor.com\/zh\/wp-json\/wp\/v2\/product_cat?post=4993"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/spotlight-motor.com\/zh\/wp-json\/wp\/v2\/product_tag?post=4993"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}