{"product_id":"laser-cutting-head-blt311","title":"Smart Laser Cutting Head-BOCI-BLT311 (4KW)","description":"\u003cstyle\u003e\n  .sf-pdp-v1 {\n    --sf-ink: #232323;\n    --sf-muted: #676767;\n    --sf-line: #dadada;\n    --sf-paper: #f8f8f8;\n    --sf-panel: #ffffff;\n    --sf-accent: #ff8c00;\n    --sf-accent-2: #ffb700;\n    color: var(--sf-ink);\n    font-family: inherit;\n    line-height: 1.68;\n  }\n  .sf-pdp-v1 * { box-sizing: border-box; }\n  .sf-pdp-v1 section { margin: 0; padding: 30px 0; border-top: 1px solid rgba(218, 218, 218, .78); }\n  .sf-pdp-v1 section:first-child { border-top: 0; padding-top: 0; }\n  .sf-pdp-v1 h2 { margin: 0 0 16px; font-size: 26px; font-weight: 500; line-height: 1.22; color: var(--sf-ink); }\n  .sf-pdp-v1 h3 { margin: 0 0 14px; font-size: 18px; font-weight: 500; line-height: 1.35; color: var(--sf-ink); }\n  .sf-pdp-v1 p { margin: 0 0 13px; color: var(--sf-muted); }\n  .sf-pdp-v1 a { color: var(--sf-ink); text-decoration-color: rgba(255, 140, 0, .55); text-decoration-thickness: 1px; text-underline-offset: 3px; }\n  .sf-pdp-v1 a:hover { color: var(--sf-accent); text-decoration-color: var(--sf-accent); }\n  .sf-pdp-v1 .sf-kicker { margin: 0 0 10px; color: var(--sf-accent); font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 0; }\n  .sf-pdp-v1 .sf-lede { padding: 0 0 26px; border-top: 0; }\n  .sf-pdp-v1 ul { margin: 0; padding-left: 18px; }\n  .sf-pdp-v1 li { margin: 8px 0; color: var(--sf-muted); }\n  .sf-pdp-v1 .sf-checks { padding-left: 0; list-style: none; }\n  .sf-pdp-v1 .sf-checks li { display: grid; grid-template-columns: 12px 1fr; gap: 12px; align-items: start; }\n  .sf-pdp-v1 .sf-checks li::before { content: \"\"; width: 6px; height: 6px; margin-top: 11px; background: var(--sf-accent); }\n  .sf-pdp-v1 .sf-table-wrap { max-width: 100%; overflow-x: auto; border: 1px solid var(--sf-line); background: var(--sf-panel); -webkit-overflow-scrolling: touch; }\n  .sf-pdp-v1 table { width: max-content; min-width: 100%; max-width: none; border-collapse: collapse; table-layout: auto; background: var(--sf-panel); }\n  .sf-pdp-v1 th, .sf-pdp-v1 td { min-width: 150px; max-width: 360px; padding: 12px 14px; border-right: 1px solid var(--sf-line); border-bottom: 1px solid var(--sf-line); text-align: left; vertical-align: top; white-space: normal; overflow-wrap: break-word; line-height: 1.5; }\n  .sf-pdp-v1 th:first-child, .sf-pdp-v1 td:first-child { min-width: 170px; }\n  .sf-pdp-v1 th { background: var(--sf-paper); color: var(--sf-ink); font-size: 14px; font-weight: 500; line-height: 1.45; }\n  .sf-pdp-v1 th:last-child, .sf-pdp-v1 td:last-child { border-right: 0; }\n  .sf-pdp-v1 details { border-top: 1px solid var(--sf-line); padding: 14px 0; }\n  .sf-pdp-v1 details:last-child { border-bottom: 1px solid var(--sf-line); }\n  .sf-pdp-v1 summary { cursor: pointer; color: var(--sf-ink); font-weight: 500; }\n  .sf-pdp-v1 summary::marker { color: var(--sf-accent); }\n  @media (max-width: 720px) {\n    .sf-pdp-v1 section { padding: 26px 0; }\n    .sf-pdp-v1 h2 { font-size: 23px; }\n    .sf-pdp-v1 h3 { font-size: 18px; }\n    .sf-pdp-v1 .sf-downloads { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }\n  .sf-pdp-v1 .sf-download { display: inline-flex; align-items: center; justify-content: center; min-height: 38px; padding: 10px 16px; border: 1px solid var(--sf-accent); border-radius: 2px; background: var(--sf-accent); color: #fff; font-weight: 600; line-height: 1.2; text-decoration: none; transition: background .18s ease, border-color .18s ease, color .18s ease; }\n  .sf-pdp-v1 .sf-download:hover { border-color: var(--sf-ink); background: var(--sf-ink); color: #fff; }\n  }\n\u003c\/style\u003e\n\u003cdiv class=\"sf-pdp-v1\"\u003e\n  \u003csection class=\"sf-lede\"\u003e\n    \u003cp class=\"sf-kicker\"\u003eProduct overview\u003c\/p\u003e\n    \u003ch2\u003eOverview\u003c\/h2\u003e\n    \u003ch3\u003eSmart Laser Cutting Head-BOCI-BLT311 (4KW)\u003c\/h3\u003e\n    \u003cp\u003eSmart Laser Cutting Head-BOCI-BLT311 (4KW) is an intelligent laser cutting head for sheet cutting applications that require compact structure, stable autofocus control, and real-time process monitoring.\u003c\/p\u003e\n    \u003cp\u003eBLT311 is the updated model replacing BLT310 in the BOCHU BLT3 series selection table. It supports 4KW applications, 150mm or 200mm focal length options, and QBH\/EOC fiber interface configurations.\u003c\/p\u003e\n  \u003c\/section\u003e\n\n  \u003csection\u003e\n    \u003ch2\u003eBest For\u003c\/h2\u003e\n    \u003cul class=\"sf-checks\"\u003e\n      \u003cli\u003eFiber laser sheet cutting machine integration, retrofit, or head replacement projects.\u003c\/li\u003e\n      \u003cli\u003eBuyers comparing focal length, rated power, optical interface, sensors, and consumables.\u003c\/li\u003e\n      \u003cli\u003eService teams that need compatible protective lenses, ceramic parts, anti-collision parts, and manuals.\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/section\u003e\n\n  \u003csection\u003e\n    \u003ch2\u003eCompatibility\u003c\/h2\u003e\n    \u003cul\u003e\n      \u003cli\u003eThis product replaces the previous BLT310 listing according to the BOCHU product change notice.\u003c\/li\u003e\n      \u003cli\u003eAvailable focal length options: 150mm and 200mm.\u003c\/li\u003e\n      \u003cli\u003eFiber interface: QBH\/EOC.\u003c\/li\u003e\n      \u003cli\u003eConfirm rated laser power, optical connector, focal length, cooling circuit, cutting gas setup, control signal, and consumables before ordering.\u003c\/li\u003e\n      \u003cli\u003eRelated reference: \u003ca href=\"https:\/\/alleriastore.com\/products\/consumables-for-laser-cutting-head\"\u003eLaser Consumables\u003c\/a\u003e\n\u003c\/li\u003e\n      \u003cli\u003eRelated reference: \u003ca href=\"https:\/\/alleriastore.com\/products\/laser-protective-lens\"\u003eProtective Lens\u003c\/a\u003e\n\u003c\/li\u003e\n      \u003cli\u003eRelated reference: \u003ca href=\"https:\/\/alleriastore.com\/products\/nozzle-for-laser-cutting-and-welding\"\u003eNozzle\u003c\/a\u003e\n\u003c\/li\u003e\n      \u003cli\u003eRelated reference: \u003ca href=\"https:\/\/alleriastore.com\/products\/white-ceramic-ring-holder-for-boci-laser-cutting-head\"\u003eCeramic Body\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/section\u003e\n\n  \u003csection\u003e\n    \u003ch2\u003eSpecifications\u003c\/h2\u003e\n    \u003ch3\u003eModel Selection\u003c\/h3\u003e\n    \u003cdiv class=\"sf-table-wrap\"\u003e\n      \u003ctable\u003e\n        \u003cthead\u003e\n          \u003ctr\u003e\n            \u003cth\u003eSeries\u003c\/th\u003e\n            \u003cth\u003eCutting Type\u003c\/th\u003e\n            \u003cth\u003ePower\u003c\/th\u003e\n            \u003cth\u003eModel\u003c\/th\u003e\n            \u003cth\u003eFocal Length\u003c\/th\u003e\n            \u003cth\u003eInterface\u003c\/th\u003e\n          \u003c\/tr\u003e\n        \u003c\/thead\u003e\n        \u003ctbody\u003e\n          \u003ctr\u003e\n            \u003ctd\u003eBLT3 Series\u003c\/td\u003e\n            \u003ctd\u003eSheet cutting\u003c\/td\u003e\n            \u003ctd\u003e4KW\u003c\/td\u003e\n            \u003ctd\u003eBLT311\u003c\/td\u003e\n            \u003ctd\u003e150mm, 200mm\u003c\/td\u003e\n            \u003ctd\u003eQBH\/EOC\u003c\/td\u003e\n          \u003c\/tr\u003e\n        \u003c\/tbody\u003e\n      \u003c\/table\u003e\n    \u003c\/div\u003e\n\n    \u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n    \u003cdiv class=\"sf-table-wrap\"\u003e\n      \u003ctable\u003e\n        \u003cthead\u003e\n          \u003ctr\u003e\n            \u003cth\u003eParameter\u003c\/th\u003e\n            \u003cth\u003eBLT311\u003c\/th\u003e\n          \u003c\/tr\u003e\n        \u003c\/thead\u003e\n        \u003ctbody\u003e\n          \u003ctr\u003e\n\u003ctd\u003eLaser Wavelength\u003c\/td\u003e\n\u003ctd\u003e1030-1090nm\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd\u003eLaser Power\u003c\/td\u003e\n\u003ctd\u003e4KW class\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd\u003eFiber Interface\u003c\/td\u003e\n\u003ctd\u003eQBH\/EOC\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd\u003eFocal Length\u003c\/td\u003e\n\u003ctd\u003e150mm \/ 200mm\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd\u003eSpot Magnification\u003c\/td\u003e\n\u003ctd\u003eM=1.5 \/ 2.0\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd\u003eMaximum Focus Adjustment Range\u003c\/td\u003e\n\u003ctd\u003e+\/-50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd\u003eCentering Adjustment Range\u003c\/td\u003e\n\u003ctd\u003e+\/-1.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd\u003eFocusing Acceleration\u003c\/td\u003e\n\u003ctd\u003e7.5m\/s2\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd\u003eCutting Gas Interface\u003c\/td\u003e\n\u003ctd\u003eDiameter 10mm, max 25bar (2.5MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd\u003eNozzle Cooling Gas Interface\u003c\/td\u003e\n\u003ctd\u003eDiameter 6mm, max 5bar (0.5MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd\u003eWater Cooling Interface\u003c\/td\u003e\n\u003ctd\u003eDiameter 8mm, max 5bar (0.5MPa), min flow 2.0L\/min\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd\u003eWorking Temperature\u003c\/td\u003e\n\u003ctd\u003e5-55 C\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-25 to +55 C\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003c\/tbody\u003e\n      \u003c\/table\u003e\n    \u003c\/div\u003e\n\n    \u003ch3\u003eUpdated Consumable Reference\u003c\/h3\u003e\n    \u003cdiv class=\"sf-table-wrap\"\u003e\n      \u003ctable\u003e\n        \u003cthead\u003e\n          \u003ctr\u003e\n            \u003cth\u003eItem\u003c\/th\u003e\n            \u003cth\u003eBLT311-150G\u003c\/th\u003e\n            \u003cth\u003eBLT311-200\u003c\/th\u003e\n          \u003c\/tr\u003e\n        \u003c\/thead\u003e\n        \u003ctbody\u003e\n          \u003ctr\u003e\n\u003ctd\u003eUpper Protective Lens\u003c\/td\u003e\n\u003ctd\u003eD25.4T4-2H\u003c\/td\u003e\n\u003ctd\u003eD25.4T4-2H\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd\u003eLower Protective Lens\u003c\/td\u003e\n\u003ctd\u003eD25.4T4-2S\u003c\/td\u003e\n\u003ctd\u003eD25.4T4-2S\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd\u003eFocusing Drawer Assembly\u003c\/td\u003e\n\u003ctd\u003eDP.M.Q0419AA\u003c\/td\u003e\n\u003ctd\u003eDP.M.Q0215AA\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd\u003eCollimation Drawer Assembly\u003c\/td\u003e\n\u003ctd\u003eDP.M.Q0421AA\u003c\/td\u003e\n\u003ctd\u003eDP.M.Q0421AA\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd\u003eAnti-Collision Component\u003c\/td\u003e\n\u003ctd\u003eDP.M.Q0210AA\u003c\/td\u003e\n\u003ctd\u003eDP.M.Q0210AA\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd\u003eCapacitive Sensor Head Module\u003c\/td\u003e\n\u003ctd\u003eDP.M.Q0211AA\u003c\/td\u003e\n\u003ctd\u003eDP.M.Q0213AA\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd\u003eCeramic Lock Ring\u003c\/td\u003e\n\u003ctd\u003eP.S.J0020\u003c\/td\u003e\n\u003ctd\u003eP.S.J0020\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003ctr\u003e\n\u003ctd\u003eCeramic Body\u003c\/td\u003e\n\u003ctd\u003eM11*0.75\u003c\/td\u003e\n\u003ctd\u003eM11*0.75\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003c\/tbody\u003e\n      \u003c\/table\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n\u003csection\u003e\u003ch2\u003eDownloads\u003c\/h2\u003e\n\u003cdiv class=\"sf-downloads\"\u003e\n\u003ca class=\"sf-download\" href=\"https:\/\/laser-podcast.com\/products\/bochu-blt311-cutting-head-step-model?variant=53433253003556\"\u003eBochu BLT311 Laser Cutting Head 3D Model\u003c\/a\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n    \n  \u003csection\u003e\n    \u003ch2\u003eBefore Ordering\u003c\/h2\u003e\n    \u003cp\u003eProduct images are for reference only. Confirm the required focal length, fiber interface, controller compatibility, and consumables before ordering.\u003c\/p\u003e\n    \u003cp\u003eBOCHU's product change notice lists BLT311 as the updated model replacing BLT310, with the change expected in early August 2026.\u003c\/p\u003e\n  \u003c\/section\u003e\n\n  \u003csection\u003e\n    \u003ch2\u003eFAQ\u003c\/h2\u003e\n    \u003cdetails\u003e\n      \u003csummary\u003eWhich BLT311 option should I choose?\u003c\/summary\u003e\n      \u003cp\u003eSelect the focal length and interface that match your machine configuration. BLT311 supports 150mm and 200mm focal length options with QBH\/EOC interface configurations.\u003c\/p\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n      \u003csummary\u003eIs BLT311 the same as BLT310?\u003c\/summary\u003e\n      \u003cp\u003eBLT311 is the updated BOCHU model replacing BLT310 according to the product change notice. Confirm mechanical, optical, and consumable compatibility before ordering replacements for older machines.\u003c\/p\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n      \u003csummary\u003eCan I request technical documents?\u003c\/summary\u003e\n      \u003cp\u003eIf a manual or datasheet is not listed on the page, contact Sky Fire Laser with the product model and intended application before ordering.\u003c\/p\u003e\n    \u003c\/details\u003e\n  \u003c\/section\u003e\n\u003c\/div\u003e","brand":"BOCHU","offers":[{"title":"Single Product of BLT311 \/ QBH \/ 150mm","offer_id":46331569144059,"sku":"SFL-HEAD-BLT311-4KW-SMART-CUTTING-LASER-HEADS-AND-SINGLE-PRODUCT-QBH-150MM","price":631.8,"currency_code":"USD","in_stock":true},{"title":"Single Product of BLT311 \/ QBH \/ 200mm","offer_id":49047535452411,"sku":"SFL-HEAD-BLT311-4KW-SMART-CUTTING-LASER-HEADS-AND-SINGLE-PRODUCT-QBH-200MM","price":631.8,"currency_code":"USD","in_stock":true},{"title":"Single Product of BLT311 \/ EOC \/ 150mm","offer_id":49047535485179,"sku":"SFL-HEAD-BLT311-4KW-SMART-CUTTING-LASER-HEADS-AND-SINGLE-PRODUCT-EOC-150MM","price":631.8,"currency_code":"USD","in_stock":true},{"title":"Single Product of BLT311 \/ EOC \/ 200mm","offer_id":49047535517947,"sku":"SFL-HEAD-BLT311-4KW-SMART-CUTTING-LASER-HEADS-AND-SINGLE-PRODUCT-EOC-200MM","price":631.8,"currency_code":"USD","in_stock":true},{"title":"Bundle Sale of BLT311 and FSCUT2000E \/ QBH \/ 150mm","offer_id":46331569176827,"sku":"SFL-HEAD-BLT311-4KW-SMART-CUTTING-LASER-HEADS-AND-BUNDLE-SALE-QBH-150MM","price":2291.4,"currency_code":"USD","in_stock":true},{"title":"Bundle Sale of BLT311 and FSCUT2000E \/ QBH \/ 200mm","offer_id":49047535550715,"sku":"SFL-HEAD-BLT311-4KW-SMART-CUTTING-LASER-HEADS-AND-BUNDLE-SALE-QBH-200MM","price":2291.4,"currency_code":"USD","in_stock":true},{"title":"Bundle Sale of BLT311 and FSCUT2000E \/ EOC \/ 150mm","offer_id":49047535583483,"sku":"SFL-HEAD-BLT311-4KW-SMART-CUTTING-LASER-HEADS-AND-BUNDLE-SALE-EOC-150MM","price":2291.4,"currency_code":"USD","in_stock":true},{"title":"Bundle Sale of BLT311 and FSCUT2000E \/ EOC \/ 200mm","offer_id":49047535616251,"sku":"SFL-HEAD-BLT311-4KW-SMART-CUTTING-LASER-HEADS-AND-BUNDLE-SALE-EOC-200MM","price":2291.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/8158\/1563\/files\/BLT310.webp?v=1721982787","url":"https:\/\/alleriastore.com\/products\/laser-cutting-head-blt311","provider":"Sky Fire Laser","version":"1.0","type":"link"}