{"id":4841,"date":"2026-07-23T04:03:40","date_gmt":"2026-07-23T04:03:40","guid":{"rendered":"https:\/\/spotlight-motor.com\/?post_type=product&#038;p=4841"},"modified":"2026-09-24T06:29:03","modified_gmt":"2026-09-24T06:29:03","slug":"42-mm-vacuum-stepper-motor","status":"publish","type":"product","link":"https:\/\/spotlight-motor.com\/zh\/product\/42-mm-vacuum-stepper-motor\/","title":{"rendered":"42 mm \u771f\u7a7a\u6b65\u8fdb\u7535\u673a"},"content":{"rendered":"<style>\nbody.postid-4841 {\n  overflow-x: hidden;\n}\nbody.postid-4841 [data-id=\"4e2fba0\"],\nbody.postid-4841 [data-id=\"169d9d5\"],\nbody.postid-4841 [data-id=\"4ab745c\"],\nbody.postid-4841 [data-id=\"a65d5ba\"],\nbody.postid-4841 [data-id=\"77d8c47\"],\nbody.postid-4841 [data-id=\"79389ad\"],\nbody.postid-4841 [data-id=\"8d9b055\"],\nbody.postid-4841 [data-id=\"6b8732b\"],\nbody.postid-4841 [data-id=\"bc89a15\"] {\n  display: none !important;\n}\nbody.postid-4841 [data-id=\"9b05c0a\"],\nbody.postid-4841 [data-id=\"166d5d9\"],\nbody.postid-4841 [data-id=\"166d5d9\"] > .elementor-widget-container {\n  width: 100% !important;\n  max-width: none !important;\n  margin: 0 !important;\n  padding: 0 !important;\n}\nbody.postid-4841 [data-id=\"6b5eb82\"] {\n  background:\n    radial-gradient(circle at 78% 42%, rgba(126, 174, 213, .18), transparent 34%),\n    linear-gradient(135deg, #f7f8f9 0%, #eef2f5 100%);\n}\nbody.postid-4841 [data-id=\"3ccf48a\"] .elementor-widget-container {\n  max-width: 760px;\n  font-size: clamp(42px, 4vw, 68px);\n  font-weight: 300;\n  line-height: 1.06;\n  letter-spacing: -.035em;\n  color: #101419;\n}\nbody.postid-4841 [data-id=\"4ae4c9b\"] .elementor-widget-container {\n  max-width: 660px;\n  font-size: 19px;\n  line-height: 1.75;\n  color: #48515b;\n}\nbody.postid-4841 [data-id=\"0533c39\"] img {\n  filter: drop-shadow(0 30px 38px rgba(14, 26, 38, .17));\n  transform: scale(.9);\n}\n.sl-product-page {\n  --sl-ink: #101419;\n  --sl-muted: #66717d;\n  --sl-blue: #8fb7d8;\n  --sl-blue-strong: #4f84ae;\n  --sl-line: #dfe5ea;\n  --sl-surface: #f4f7f9;\n  --sl-dark: #071017;\n  color: var(--sl-ink);\n  font-family: inherit;\n}\n.sl-product-page *,\n.sl-product-page *::before,\n.sl-product-page *::after {\n  box-sizing: border-box;\n}\n.sl-product-page h2,\n.sl-product-page h3,\n.sl-product-page p {\n  margin-top: 0;\n}\n.sl-fullbleed {\n  position: relative;\n  left: 50%;\n  width: 100vw;\n  margin-left: -50vw;\n}\n.sl-inner {\n  width: min(1440px, calc(100% - 64px));\n  margin: 0 auto;\n}\n.sl-detail-nav {\n  position: sticky;\n  left: auto;\n  margin-left: calc(50% - 50vw);\n  top: var(--wp-admin--admin-bar--height, 0px);\n  z-index: 50;\n  background: rgba(255, 255, 255, .94);\n  border-top: 1px solid var(--sl-line);\n  border-bottom: 1px solid var(--sl-line);\n  backdrop-filter: blur(14px);\n}\n.sl-detail-nav__inner {\n  display: flex;\n  align-items: center;\n  gap: 48px;\n  min-height: 76px;\n  overflow-x: auto;\n  scrollbar-width: none;\n}\n.sl-detail-nav__inner::-webkit-scrollbar {\n  display: none;\n}\n.sl-detail-nav a {\n  position: relative;\n  flex: 0 0 auto;\n  color: #36414c;\n  font-size: 15px;\n  font-weight: 600;\n  text-decoration: none;\n  letter-spacing: .01em;\n}\n.sl-detail-nav a::after {\n  content: \"\";\n  position: absolute;\n  left: 0;\n  right: 100%;\n  bottom: -27px;\n  height: 3px;\n  background: var(--sl-blue-strong);\n  transition: right .25s ease;\n}\n.sl-detail-nav a:hover::after {\n  right: 0;\n}\n.sl-section {\n  padding: 108px 0;\n}\n.sl-kicker {\n  margin-bottom: 18px;\n  color: var(--sl-blue-strong);\n  font-size: 13px;\n  font-weight: 700;\n  letter-spacing: .18em;\n  text-transform: uppercase;\n}\n.sl-title {\n  max-width: 900px;\n  margin-bottom: 26px;\n  font-size: clamp(38px, 4.2vw, 64px);\n  font-weight: 300;\n  line-height: 1.08;\n  letter-spacing: -.035em;\n}\n.sl-lead {\n  max-width: 780px;\n  margin-bottom: 56px;\n  color: var(--sl-muted);\n  font-size: 19px;\n  line-height: 1.75;\n}\n.sl-features {\n  background: #fff;\n}\n.sl-feature-grid {\n  display: grid;\n  grid-template-columns: repeat(3, 1fr);\n  gap: 24px;\n}\n.sl-feature-card {\n  min-height: 360px;\n  padding: 42px 38px;\n  border: 1px solid var(--sl-line);\n  background: linear-gradient(145deg, #ffffff 0%, #f6f9fb 100%);\n  transition: transform .25s ease, box-shadow .25s ease;\n}\n.sl-feature-card:hover {\n  transform: translateY(-7px);\n  box-shadow: 0 26px 54px rgba(18, 39, 58, .10);\n}\n.sl-feature-icon {\n  display: grid;\n  place-items: center;\n  width: 72px;\n  height: 72px;\n  margin-bottom: 72px;\n  color: var(--sl-blue-strong);\n  border: 1px solid #cddce8;\n  border-radius: 50%;\n  background: #edf5fb;\n}\n.sl-feature-icon svg {\n  width: 36px;\n  height: 36px;\n  fill: none;\n  stroke: currentColor;\n  stroke-width: 1.6;\n  stroke-linecap: round;\n  stroke-linejoin: round;\n}\n.sl-feature-card h3 {\n  margin-bottom: 15px;\n  font-size: 24px;\n  font-weight: 500;\n  letter-spacing: -.02em;\n}\n.sl-feature-card p {\n  margin-bottom: 0;\n  color: var(--sl-muted);\n  font-size: 16px;\n  line-height: 1.7;\n}\n.sl-tech {\n  background: var(--sl-surface);\n}\n.sl-spec-grid {\n  display: grid;\n  grid-template-columns: repeat(4, 1fr);\n  gap: 1px;\n  margin-bottom: 56px;\n  overflow: hidden;\n  border: 1px solid var(--sl-line);\n  background: var(--sl-line);\n}\n.sl-spec {\n  padding: 28px 30px;\n  background: #fff;\n}\n.sl-spec strong {\n  display: block;\n  margin-bottom: 7px;\n  color: var(--sl-ink);\n  font-size: 25px;\n  font-weight: 500;\n}\n.sl-spec span {\n  color: var(--sl-muted);\n  font-size: 13px;\n  letter-spacing: .07em;\n  text-transform: uppercase;\n}\n.sl-tech-grid {\n  display: grid;\n  grid-template-columns: 1.15fr .85fr;\n  gap: 24px;\n}\n.sl-tech-card {\n  margin: 0;\n  padding: 30px;\n  border: 1px solid var(--sl-line);\n  background: #fff;\n}\n.sl-tech-card--wide {\n  grid-row: span 2;\n}\n.sl-tech-card img {\n  display: block;\n  width: 100%;\n  height: auto;\n  object-fit: contain;\n}\n.sl-tech-card figcaption {\n  margin-top: 20px;\n  padding-top: 18px;\n  border-top: 1px solid var(--sl-line);\n  color: var(--sl-muted);\n  font-size: 14px;\n  line-height: 1.5;\n}\n.sl-tech-card--table {\n  grid-column: 1 \/ -1;\n}\n.sl-showcase {\n  overflow: hidden;\n  background:\n    radial-gradient(circle at 74% 48%, rgba(105, 164, 209, .24), transparent 28%),\n    var(--sl-dark);\n  color: #fff;\n}\n.sl-showcase-grid {\n  display: grid;\n  grid-template-columns: .92fr 1.08fr;\n  align-items: center;\n  gap: 70px;\n  min-height: 760px;\n}\n.sl-showcase .sl-kicker {\n  color: #9cc6e5;\n}\n.sl-showcase .sl-title {\n  color: #fff;\n}\n.sl-showcase p {\n  max-width: 650px;\n  color: #b9c5ce;\n  font-size: 18px;\n  line-height: 1.75;\n}\n.sl-checks {\n  display: grid;\n  gap: 18px;\n  margin: 34px 0 0;\n  padding: 0;\n  list-style: none;\n}\n.sl-checks li {\n  display: flex;\n  align-items: flex-start;\n  gap: 14px;\n  color: #e5edf3;\n  font-size: 16px;\n}\n.sl-checks li::before {\n  content: \"\u2713\";\n  display: grid;\n  flex: 0 0 26px;\n  place-items: center;\n  width: 26px;\n  height: 26px;\n  color: #071017;\n  border-radius: 50%;\n  background: #9cc6e5;\n  font-size: 13px;\n  font-weight: 800;\n}\n.sl-product-visual {\n  position: relative;\n  min-height: 650px;\n}\n.sl-product-visual::before,\n.sl-product-visual::after {\n  content: \"\";\n  position: absolute;\n  border: 1px solid rgba(156, 198, 229, .22);\n  border-radius: 50%;\n}\n.sl-product-visual::before {\n  inset: 8% 4%;\n}\n.sl-product-visual::after {\n  inset: 19% 15%;\n}\n.sl-product-visual img {\n  position: absolute;\n  z-index: 2;\n  inset: 50% auto auto 50%;\n  width: min(660px, 94%);\n  transform: translate(-50%, -50%);\n  filter: drop-shadow(0 40px 42px rgba(0, 0, 0, .38));\n}\n.sl-applications {\n  background: #fff;\n}\n.sl-application-grid {\n  display: grid;\n  grid-template-columns: repeat(4, 1fr);\n  border-top: 1px solid var(--sl-line);\n  border-left: 1px solid var(--sl-line);\n}\n.sl-application-card {\n  min-height: 270px;\n  padding: 34px 28px;\n  border-right: 1px solid var(--sl-line);\n  border-bottom: 1px solid var(--sl-line);\n}\n.sl-application-card b {\n  display: block;\n  margin-bottom: 72px;\n  color: var(--sl-blue-strong);\n  font-size: 14px;\n  letter-spacing: .12em;\n}\n.sl-application-card h3 {\n  margin-bottom: 12px;\n  font-size: 20px;\n  font-weight: 500;\n}\n.sl-application-card p {\n  margin-bottom: 0;\n  color: var(--sl-muted);\n  font-size: 15px;\n  line-height: 1.65;\n}\n.sl-integration {\n  background: #edf2f5;\n}\n.sl-integration-grid {\n  display: grid;\n  grid-template-columns: .85fr 1.15fr;\n  gap: 80px;\n  align-items: start;\n}\n.sl-data-list {\n  border-top: 1px solid #cfd9e1;\n}\n.sl-data-row {\n  display: grid;\n  grid-template-columns: 1fr 1.2fr;\n  gap: 24px;\n  padding: 22px 0;\n  border-bottom: 1px solid #cfd9e1;\n}\n.sl-data-row span {\n  color: var(--sl-muted);\n}\n.sl-data-row strong {\n  font-weight: 600;\n}\n.sl-cta {\n  background: linear-gradient(110deg, #7aa5c7 0%, #a8c8df 100%);\n}\n.sl-cta-inner {\n  display: grid;\n  grid-template-columns: 1fr auto;\n  align-items: center;\n  gap: 50px;\n  min-height: 400px;\n}\n.sl-cta h2 {\n  max-width: 930px;\n  margin-bottom: 18px;\n  color: #071017;\n  font-size: clamp(40px, 5vw, 72px);\n  font-weight: 300;\n  line-height: 1.04;\n  letter-spacing: -.04em;\n}\n.sl-cta p {\n  max-width: 700px;\n  margin-bottom: 0;\n  color: #233745;\n  font-size: 18px;\n}\n.sl-button {\n  display: inline-flex;\n  align-items: center;\n  justify-content: center;\n  min-width: 210px;\n  min-height: 58px;\n  padding: 16px 26px;\n  color: #fff !important;\n  background: #071017;\n  font-size: 14px;\n  font-weight: 700;\n  letter-spacing: .04em;\n  text-decoration: none !important;\n  text-transform: uppercase;\n  transition: transform .2s ease, background .2s ease;\n}\n.sl-button:hover {\n  transform: translateY(-3px);\n  background: #172634;\n}\n.sl-related {\n  padding: 70px 0;\n  background: #fff;\n  border-bottom: 1px solid var(--sl-line);\n}\n.sl-related-inner {\n  display: flex;\n  align-items: center;\n  justify-content: space-between;\n  gap: 40px;\n}\n.sl-related h3 {\n  margin-bottom: 6px;\n  font-size: 27px;\n  font-weight: 400;\n}\n.sl-related p {\n  margin-bottom: 0;\n  color: var(--sl-muted);\n}\n.sl-related a {\n  flex: 0 0 auto;\n  color: var(--sl-ink);\n  font-weight: 700;\n  text-decoration: none;\n  border-bottom: 1px solid var(--sl-ink);\n}\n@media (max-width: 1024px) {\n  .sl-inner {\n    width: min(100% - 44px, 980px);\n  }\n  .sl-feature-grid,\n  .sl-application-grid {\n    grid-template-columns: repeat(2, 1fr);\n  }\n  .sl-tech-grid,\n  .sl-showcase-grid,\n  .sl-integration-grid {\n    grid-template-columns: 1fr;\n  }\n  .sl-tech-card--wide {\n    grid-row: auto;\n  }\n  .sl-product-visual {\n    min-height: 560px;\n  }\n  .sl-showcase-grid {\n    padding: 90px 0;\n  }\n}\n@media (max-width: 767px) {\n  body.postid-4841 .eael-breadcrumbs__content.woocommerce-breadcrumb {\n    display: flex;\n    flex-wrap: wrap;\n    box-sizing: border-box;\n    width: 100%;\n    max-width: 100%;\n    padding: 8px 10px;\n    gap: 4px 8px;\n    font-size: 13px !important;\n    line-height: 1.45 !important;\n    overflow-wrap: anywhere;\n  }\n  body.postid-4841 .eael-breadcrumbs__content > * {\n    min-width: 0;\n    font-size: inherit !important;\n  }\n  body.postid-4841 .eael-breadcrumb-separator {\n    margin: 0 !important;\n  }\n  body.postid-4841 [data-id=\"6b5eb82\"] {\n    min-height: auto !important;\n    padding-bottom: 44px !important;\n  }\n  body.postid-4841 [data-id=\"3ccf48a\"] .elementor-widget-container {\n    font-size: 38px;\n  }\n  body.postid-4841 [data-id=\"4ae4c9b\"] .elementor-widget-container {\n    font-size: 17px;\n    line-height: 1.65;\n  }\n  .sl-inner {\n    width: calc(100% - 36px);\n  }\n  .sl-detail-nav__inner {\n    gap: 28px;\n    min-height: 64px;\n  }\n  .sl-detail-nav a::after {\n    bottom: -21px;\n  }\n  .sl-section {\n    padding: 72px 0;\n  }\n  .sl-title {\n    font-size: 38px;\n  }\n  .sl-lead {\n    margin-bottom: 38px;\n    font-size: 17px;\n  }\n  .sl-feature-grid,\n  .sl-application-grid,\n  .sl-spec-grid {\n    grid-template-columns: 1fr;\n  }\n  .sl-feature-card {\n    min-height: auto;\n    padding: 32px 28px;\n  }\n  .sl-feature-icon {\n    margin-bottom: 42px;\n  }\n  .sl-tech-grid {\n    gap: 16px;\n  }\n  .sl-tech-card {\n    padding: 18px;\n  }\n  .sl-tech-card--table {\n    grid-column: auto;\n  }\n  .sl-showcase-grid {\n    gap: 10px;\n    padding: 72px 0;\n  }\n  .sl-product-visual {\n    min-height: 430px;\n  }\n  .sl-application-grid {\n    border-left: 1px solid var(--sl-line);\n  }\n  .sl-application-card {\n    min-height: 220px;\n  }\n  .sl-application-card b {\n    margin-bottom: 48px;\n  }\n  .sl-integration-grid {\n    gap: 40px;\n  }\n  .sl-data-row {\n    grid-template-columns: 1fr;\n    gap: 8px;\n  }\n  .sl-cta-inner {\n    grid-template-columns: 1fr;\n    gap: 34px;\n    min-height: 480px;\n    padding: 68px 0;\n  }\n  .sl-related-inner {\n    align-items: flex-start;\n    flex-direction: column;\n  }\n}<\/p>\n<p>.sl-parameter-layout {\n  display: grid;\n  grid-template-columns: repeat(2, minmax(0, 1fr));\n  gap: 24px;\n}\n.sl-parameter-panel {\n  overflow: hidden;\n  border: 1px solid var(--sl-line);\n  background: #fff;\n}\n.sl-parameter-panel--wide {\n  grid-column: 1 \/ -1;\n}\n.sl-parameter-head {\n  display: flex;\n  align-items: flex-end;\n  justify-content: space-between;\n  gap: 30px;\n  padding: 28px 30px 24px;\n  border-bottom: 1px solid var(--sl-line);\n  background: linear-gradient(135deg, #ffffff 0%, #f6f9fb 100%);\n}\n.sl-parameter-head span {\n  display: block;\n  margin-bottom: 8px;\n  color: var(--sl-blue-strong);\n  font-size: 11px;\n  font-weight: 800;\n  letter-spacing: .16em;\n  text-transform: uppercase;\n}\n.sl-parameter-head h3 {\n  margin: 0;\n  color: var(--sl-ink);\n  font-size: 23px;\n  font-weight: 500;\n  letter-spacing: -.02em;\n}\n.sl-parameter-head p {\n  max-width: 430px;\n  margin: 0;\n  color: var(--sl-muted);\n  font-size: 13px;\n  line-height: 1.55;\n}\n.sl-table-scroll {\n  width: 100%;\n  overflow-x: auto;\n}\n.sl-data-table {\n  width: 100%;\n  min-width: 680px;\n  margin: 0;\n  border: 0;\n  border-collapse: collapse;\n  background: #fff;\n  font-size: 15px;\n}\n.sl-data-table caption {\n  position: absolute;\n  width: 1px;\n  height: 1px;\n  overflow: hidden;\n  clip: rect(0 0 0 0);\n  white-space: nowrap;\n}\n.sl-data-table th {\n  padding: 15px 20px;\n  border: 0;\n  background: #0b141c;\n  color: #fff;\n  font-size: 11px;\n  font-weight: 700;\n  letter-spacing: .09em;\n  text-align: left;\n  text-transform: uppercase;\n  white-space: nowrap;\n}\n.sl-data-table td {\n  padding: 16px 20px;\n  border: 0;\n  border-bottom: 1px solid #e4e9ed;\n  color: #4f5b66;\n  line-height: 1.5;\n  text-align: left;\n  vertical-align: top;\n}\n.sl-data-table tbody tr:nth-child(even) td {\n  background: #f7f9fa;\n}\n.sl-data-table tbody tr:last-child td {\n  border-bottom: 0;\n}\n.sl-data-table td:first-child {\n  color: #18222c;\n  font-weight: 600;\n}\n.sl-data-table--compact {\n  min-width: 0;\n}\n@media (max-width: 767px) {\n  .sl-parameter-layout {\n    grid-template-columns: 1fr;\n    gap: 16px;\n  }\n  .sl-parameter-panel--wide {\n    grid-column: auto;\n  }\n  .sl-parameter-head {\n    align-items: flex-start;\n    flex-direction: column;\n    gap: 12px;\n    padding: 24px 20px 20px;\n  }\n  .sl-parameter-head h3 {\n    font-size: 20px;\n  }\n  .sl-data-table {\n    min-width: 620px;\n    font-size: 14px;\n  }\n  .sl-data-table--compact {\n    min-width: 520px;\n  }\n  .sl-data-table th,\n  .sl-data-table td {\n    padding: 14px 16px;\n  }\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\">Product benefits<\/a><a href=\"#sl-technical\">Technical data<\/a><a href=\"#sl-drawings\">Drawings<\/a><a href=\"#sl-applications\">Applications<\/a><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\">42 mm vacuum motion platform<\/div>\n<h2 class=\"sl-title\">Compact, dependable motion for vacuum equipment<\/h2>\n<p class=\"sl-lead\">A 42 mm two-phase, four-wire vacuum stepper motor for precise positioning in semiconductor, coating, analytical and research equipment, with application-specific environmental grades available.<\/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>42 mm frame<\/h3>\n<p>The compact square flange and 48 mm standard body length simplify integration into space-constrained vacuum assemblies.<br \/>\n<\/article>\n<article class=\"sl-feature-card\">\n<div class=\"sl-feature-icon\" aria-hidden=\"true\"><\/div>\n<h3>Stable positioning<\/h3>\n<p>A 1.8\u00b0 step angle and 0.48 N\u00b7m holding torque support repeatable low-speed motion.<br \/>\n<\/article>\n<article class=\"sl-feature-card\">\n<div class=\"sl-feature-icon\" aria-hidden=\"true\"><\/div>\n<h3>Vacuum-oriented construction<\/h3>\n<p>Material, lead and process options can be selected for the target vacuum and temperature grade.<br \/>\n<\/article>\n<article class=\"sl-feature-card\">\n<div class=\"sl-feature-icon\" aria-hidden=\"true\"><\/div>\n<h3>Four-wire bipolar interface<\/h3>\n<p>The two-phase connection is straightforward to commission with the recommended DM422S driver.<br \/>\n<\/article>\n<article class=\"sl-feature-card\">\n<div class=\"sl-feature-icon\" aria-hidden=\"true\"><\/div>\n<h3>Mechanical flexibility<\/h3>\n<p>An optional 40 mm body-length configuration is available for compact, application-specific mechanical requirements.<br \/>\n<\/article>\n<article class=\"sl-feature-card\">\n<div class=\"sl-feature-icon\" aria-hidden=\"true\"><\/div>\n<h3>Engineering-ready data<\/h3>\n<p>Real HTML specification tables, a clear dimension drawing, wiring diagram and reference curve support system design.<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-specific ratings are organised below for product selection, mechanical layout and driver matching.<\/p>\n<div class=\"sl-spec-grid\">\n<div class=\"sl-spec\"><strong>SPHY4248**<\/strong><span>Model<\/span><\/div>\n<div class=\"sl-spec\"><strong>0.48 N\u00b7m<\/strong><span>Holding torque<\/span><\/div>\n<div class=\"sl-spec\"><strong>1.0 A<\/strong><span>Rated current<\/span><\/div>\n<div class=\"sl-spec\"><strong>DM422S<\/strong><span>Recommended driver<\/span><\/div>\n<\/div>\n<div class=\"sl-original-data\">\n<style>.sl-original-data{display:grid;gap:26px;min-width:0}.sl-tech-panel,.sl-tech-figure{min-width:0;margin:0;border:1px solid #dfe5ea;background:#fff;box-shadow:0 16px 42px rgba(16,20,25,.06)}.sl-tech-panel__head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;padding:24px 26px 20px;border-bottom:1px solid #dfe5ea;background:linear-gradient(135deg,#fff 0%,#f5f8fa 100%)}.sl-tech-panel__head span{display:block;margin-bottom:7px;color:#4f84ae;font-size:11px;font-weight:800;letter-spacing:.15em;text-transform:uppercase}.sl-tech-panel__head h3{margin:0;color:#101419;font-size:22px;font-weight:500;letter-spacing:-.02em}.sl-table-scroll{display:block;width:100%;max-width:100%;overflow-x:auto;overflow-y:hidden;-webkit-overflow-scrolling:touch;overscroll-behavior-x:contain;touch-action:pan-x pan-y}.sl-data-table{width:100%;margin:0;border:0;border-collapse:collapse;background:#fff;font-size:14px}.sl-data-table th{padding:13px 16px;border:0;border-right:1px solid #26333d;background:#0b141c;color:#fff;font-size:11px;font-weight:700;line-height:1.35;letter-spacing:.045em;text-align:left;vertical-align:middle}.sl-data-table td{padding:13px 16px;border:0;border-right:1px solid #e1e7eb;border-bottom:1px solid #e1e7eb;color:#4f5b66;line-height:1.45;text-align:left;vertical-align:top}.sl-data-table th:last-child,.sl-data-table td:last-child{border-right:0}.sl-data-table tbody tr:nth-child(even) td{background:#f7f9fa}.sl-data-table tbody tr:last-child td{border-bottom:0}.sl-data-table td:first-child{color:#17222c;font-weight:600}.sl-tech-figure{overflow:hidden}.sl-tech-figure img{display:block;width:100%;height:auto;margin:0!important;padding:18px;border:0!important;background:#fff;box-shadow:none!important}.sl-tech-figure figcaption{padding:12px 18px;border-top:1px solid #e3e8ec;color:#67727d;font-size:12px;letter-spacing:.04em}.sl-original-note{margin:0;color:#66717d;font-size:14px;line-height:1.65}@media(max-width:767px){.sl-original-data{gap:16px}.sl-tech-panel__head{align-items:flex-start;flex-direction:column;gap:8px;padding:20px 18px 17px}.sl-tech-panel__head h3{font-size:19px}.sl-data-table th,.sl-data-table td{padding:12px 14px}.sl-tech-figure img{padding:8px}.sl-tech-figure figcaption{padding:10px 12px}}<\/style>\n<article class=\"sl-tech-panel\">\n<header class=\"sl-tech-panel__head\">\n<div><span>Engineering data<\/span><\/p>\n<h3>Model specifications<\/h3>\n<\/div>\n<\/header>\n<div class=\"sl-table-scroll\" tabindex=\"0\" role=\"region\" aria-label=\"Scrollable model specifications\">\n<table class=\"sl-data-table\" style=\"min-width:1280px\">\n<thead>\n<tr>\n<th scope=\"col\">Model<\/th>\n<th scope=\"col\">Step angle<\/th>\n<th scope=\"col\">Body length<\/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>SPHY4248**<\/td>\n<td>1.8\u00b0<\/td>\n<td>48 mm (40 mm optional)<\/td>\n<td>1.0 A<\/td>\n<td>5.4 \u03a9<\/td>\n<td>13 mH<\/td>\n<td>0.48 N\u00b7m<\/td>\n<td>77 g\u00b7cm\u00b2<\/td>\n<td>0.5 kg<\/td>\n<td>DM422S<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/article>\n<article class=\"sl-tech-panel\">\n<header class=\"sl-tech-panel__head\">\n<div><span>Engineering data<\/span><\/p>\n<h3>General specifications<\/h3>\n<\/div>\n<\/header>\n<div class=\"sl-table-scroll\" tabindex=\"0\" role=\"region\" aria-label=\"Scrollable general specifications\">\n<table class=\"sl-data-table\" style=\"min-width:720px\">\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 minute<\/td>\n<\/tr>\n<tr>\n<td>Motor temperature rise<\/td>\n<td>80\u00b0C max<\/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>22 N max (20 mm from flange face)<\/td>\n<\/tr>\n<tr>\n<td>Axial load<\/td>\n<td>10 N max<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/article>\n<div id=\"sl-drawings\" class=\"sl-kicker\" style=\"margin-top:34px\">Drawings and performance data<\/div>\n<div class=\"sl-tech-grid\">\n<figure class=\"sl-tech-card\"><img decoding=\"async\" src=\"https:\/\/spotlight-motor.com\/wp-content\/uploads\/2026\/08\/sp42-vacuum-stepper-motor-mechanical-dimensions.png\" alt=\"SP42 vacuum stepper motor mechanical dimensions\" loading=\"lazy\"  title=\"42 mm Vacuum Stepper Motor\" \/><figcaption>Mechanical dimension drawing \u2014 confirm customised shaft tolerances before machining.<\/figcaption><\/figure>\n<figure class=\"sl-tech-card\"><img decoding=\"async\" src=\"https:\/\/spotlight-motor.com\/wp-content\/uploads\/2026\/07\/42mm-wiring-diagram.png\" alt=\"42 mm vacuum stepper motor four-wire connection diagram\" loading=\"lazy\"  title=\"42 mm Vacuum Stepper Motor\" \/><figcaption>Four-wire bipolar connection for the DM422S driver.<\/figcaption><\/figure>\n<figure class=\"sl-tech-card sl-tech-card--table\"><img decoding=\"async\" src=\"https:\/\/spotlight-motor.com\/wp-content\/uploads\/2026\/07\/42mm-torque-speed-curve.png\" alt=\"42 mm vacuum stepper motor reference torque speed curves\" loading=\"lazy\"  title=\"42 mm Vacuum Stepper Motor\" \/><figcaption>Reference torque\u2013speed curves transcribed from the supplied source chart.<\/figcaption><\/figure>\n<\/div>\n<p class=\"sl-original-note\">Confirm the final operating point, vacuum grade, temperature grade, lead specification and shaft configuration with Spotlight Motor engineering support.<\/p>\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\">System integration<\/div>\n<h2 class=\"sl-title\">Build a dependable 42 mm vacuum motion axis<\/h2>\n<p>Match the motor to the complete operating profile, including chamber pressure, load, speed, duty cycle, cabling, feedthrough and thermal conditions.<\/p>\n<ul class=\"sl-checks\">\n<li>Validate the target vacuum and material requirements<\/li>\n<li>Match torque and speed to the complete working cycle<\/li>\n<li>Plan the driver, cable and chamber feedthrough interfaces<\/li>\n<\/ul>\n<\/div>\n<div class=\"sl-product-visual\"><img fetchpriority=\"high\" decoding=\"async\" width=\"2560\" height=\"2560\" class=\"wp-image-5217\" src=\"https:\/\/spotlight-motor.com\/wp-content\/uploads\/2026\/08\/42-mm-vacuum-stepper-motor-main-scaled.png\" alt=\"42 mm vacuum stepper motor\"  title=\"42 mm Vacuum Stepper Motor\" srcset=\"https:\/\/spotlight-motor.com\/wp-content\/uploads\/2026\/08\/42-mm-vacuum-stepper-motor-main-scaled.png 2560w, https:\/\/spotlight-motor.com\/wp-content\/uploads\/2026\/08\/42-mm-vacuum-stepper-motor-main-300x300.png 300w, https:\/\/spotlight-motor.com\/wp-content\/uploads\/2026\/08\/42-mm-vacuum-stepper-motor-main-1024x1024.png 1024w, https:\/\/spotlight-motor.com\/wp-content\/uploads\/2026\/08\/42-mm-vacuum-stepper-motor-main-150x150.png 150w, https:\/\/spotlight-motor.com\/wp-content\/uploads\/2026\/08\/42-mm-vacuum-stepper-motor-main-768x768.png 768w, https:\/\/spotlight-motor.com\/wp-content\/uploads\/2026\/08\/42-mm-vacuum-stepper-motor-main-1536x1536.png 1536w, https:\/\/spotlight-motor.com\/wp-content\/uploads\/2026\/08\/42-mm-vacuum-stepper-motor-main-2048x2048.png 2048w, https:\/\/spotlight-motor.com\/wp-content\/uploads\/2026\/08\/42-mm-vacuum-stepper-motor-main-600x600.png 600w, https:\/\/spotlight-motor.com\/wp-content\/uploads\/2026\/08\/42-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 precision vacuum automation<\/h2>\n<p class=\"sl-lead\">A compact motor platform for equipment that combines controlled environments with repeatable positioning.<\/p>\n<div class=\"sl-application-grid\">\n<article class=\"sl-application-card\"><b>SEMICONDUCTOR<\/b><\/p>\n<h3>Process equipment<\/h3>\n<p>Transfer, alignment and auxiliary motion inside vacuum process systems.<\/article>\n<article class=\"sl-application-card\"><b>COATING<\/b><\/p>\n<h3>Deposition systems<\/h3>\n<p>Positioning axes for coating, evaporation and material-processing equipment.<\/article>\n<article class=\"sl-application-card\"><b>ANALYTICAL<\/b><\/p>\n<h3>Research instruments<\/h3>\n<p>Motion inside laboratory chambers, test systems and analytical platforms.<\/article>\n<article class=\"sl-application-card\"><b>POSITIONING<\/b><\/p>\n<h3>Precision stages<\/h3>\n<p>Compact rotary and linear assemblies requiring repeatable stepper motion.<\/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 data<\/div>\n<h2 class=\"sl-title\">Clear inputs for faster machine design<\/h2>\n<p class=\"sl-lead\">Use the verified data and technical drawings as the basis for mechanical layout, cable planning and driver selection.<\/p>\n<\/div>\n<div class=\"sl-data-list\">\n<div class=\"sl-data-row\"><span>Model<\/span><strong>SPHY4248**<\/strong><\/div>\n<div class=\"sl-data-row\"><span>Frame size<\/span><strong>42 mm<\/strong><\/div>\n<div class=\"sl-data-row\"><span>Body length<\/span><strong>48 mm (40 mm optional)<\/strong><\/div>\n<div class=\"sl-data-row\"><span>Step angle<\/span><strong>1.8\u00b0<\/strong><\/div>\n<div class=\"sl-data-row\"><span>Rated current<\/span><strong>1.0 A<\/strong><\/div>\n<div class=\"sl-data-row\"><span>Recommended driver<\/span><strong>DM422S<\/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 42 mm vacuum stepper motor requirement with our engineers.<\/h2>\n<p>Share the vacuum level, temperature, load, speed, duty cycle, shaft and cable requirements for model selection and integration support.<\/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 motion solutions<\/h3>\n<p>Compare additional motors, actuators and precision drive products for your next machine design.<\/p><\/div>\n<p><a href=\"https:\/\/spotlight-motor.com\/products\/\">View all products&nbsp;\u2192<\/a><\/div>\n<\/section>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u7d27\u51d1\u578b 42 mm \u771f\u7a7a\u6b65\u8fdb\u7535\u673a\uff0c\u6807\u51c6\u673a\u8eab\u957f\u5ea6 48 mm\uff0c\u53ef\u9009 40 mm \u673a\u8eab\uff0c\u7535\u6d41 1.0 A\u3001\u4fdd\u6301\u8f6c\u77e9 0.48 N\u00b7m\uff0c\u9002\u7528\u4e8e\u7cbe\u5bc6\u771f\u7a7a\u8fd0\u52a8\u8f74\u3002<\/p>","protected":false},"featured_media":5217,"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 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":""}}},"product_brand":[],"product_cat":[41],"product_tag":[],"class_list":["post-4841","product","type-product","status-publish","has-post-thumbnail","product_cat-vacuum-stepper-motor","desktop-align-left","tablet-align-left","mobile-align-left","first","instock","shipping-taxable","product-type-simple"],"acf":[],"uagb_featured_image_src":{"full":["https:\/\/spotlight-motor.com\/wp-content\/uploads\/2026\/08\/42-mm-vacuum-stepper-motor-main-scaled.png",2560,2560,false],"thumbnail":["https:\/\/spotlight-motor.com\/wp-content\/uploads\/2026\/08\/42-mm-vacuum-stepper-motor-main-150x150.png",150,150,true],"medium":["https:\/\/spotlight-motor.com\/wp-content\/uploads\/2026\/08\/42-mm-vacuum-stepper-motor-main-300x300.png",300,300,true],"medium_large":["https:\/\/spotlight-motor.com\/wp-content\/uploads\/2026\/08\/42-mm-vacuum-stepper-motor-main-768x768.png",768,768,true],"large":["https:\/\/spotlight-motor.com\/wp-content\/uploads\/2026\/08\/42-mm-vacuum-stepper-motor-main-1024x1024.png",1024,1024,true],"1536x1536":["https:\/\/spotlight-motor.com\/wp-content\/uploads\/2026\/08\/42-mm-vacuum-stepper-motor-main-1536x1536.png",1536,1536,true],"2048x2048":["https:\/\/spotlight-motor.com\/wp-content\/uploads\/2026\/08\/42-mm-vacuum-stepper-motor-main-2048x2048.png",2048,2048,true],"trp-custom-language-flag":["https:\/\/spotlight-motor.com\/wp-content\/uploads\/2026\/08\/42-mm-vacuum-stepper-motor-main-scaled.png",12,12,false],"woocommerce_thumbnail":["https:\/\/spotlight-motor.com\/wp-content\/uploads\/2026\/08\/42-mm-vacuum-stepper-motor-main-300x300.png",300,300,true],"woocommerce_single":["https:\/\/spotlight-motor.com\/wp-content\/uploads\/2026\/08\/42-mm-vacuum-stepper-motor-main-600x600.png",600,600,true],"woocommerce_gallery_thumbnail":["https:\/\/spotlight-motor.com\/wp-content\/uploads\/2026\/08\/42-mm-vacuum-stepper-motor-main-100x100.png",100,100,true]},"uagb_author_info":{"display_name":"meishuyangol@gmail.com","author_link":"https:\/\/spotlight-motor.com\/zh\/author\/"},"uagb_comment_info":0,"uagb_excerpt":"Compact 42 mm vacuum stepper motor with a 48 mm standard body, optional 40 mm body, 1.0 A current and 0.48 N\u00b7m torque for precision vacuum axes.","_links":{"self":[{"href":"https:\/\/spotlight-motor.com\/zh\/wp-json\/wp\/v2\/product\/4841","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=4841"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/spotlight-motor.com\/zh\/wp-json\/wp\/v2\/media\/5217"}],"wp:attachment":[{"href":"https:\/\/spotlight-motor.com\/zh\/wp-json\/wp\/v2\/media?parent=4841"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/spotlight-motor.com\/zh\/wp-json\/wp\/v2\/product_brand?post=4841"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/spotlight-motor.com\/zh\/wp-json\/wp\/v2\/product_cat?post=4841"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/spotlight-motor.com\/zh\/wp-json\/wp\/v2\/product_tag?post=4841"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}