{"product_id":"mitsubishi-m80-built-in-spindle-motor-sj-2b6704tk-copy","title":"Mitsubishi M80 Built-IN Spindle Motor SJ-2B6709TK","description":"\u003cdiv class=\"relative basis-auto flex-col -mb-(--composer-overlap-px) pb-(--composer-overlap-px) [--composer-overlap-px:28px] grow flex\"\u003e\n\u003cdiv class=\"flex flex-col text-sm\"\u003e\n\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv class=\"\" data-turn-id-container=\"request-6a0c4d60-5b54-83ab-a6f9-8a0b16859f27-17\" data-is-intersecting=\"true\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-6a0c4d60-5b54-83ab-a6f9-8a0b16859f27-17\" data-turn-id-container=\"request-6a0c4d60-5b54-83ab-a6f9-8a0b16859f27-17\" data-testid=\"conversation-turn-216\" data-scroll-anchor=\"false\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"b4fe0dba-736f-472a-8dbf-905adcd280c1\" dir=\"auto\" data-message-model-slug=\"gpt-5-3-mini\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full light markdown-new-styling\"\u003e\n\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv class=\"\" data-turn-id-container=\"request-6a0c4d60-5b54-83ab-a6f9-8a0b16859f27-10\" data-is-intersecting=\"true\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-6a0c4d60-5b54-83ab-a6f9-8a0b16859f27-10\" data-turn-id-container=\"request-6a0c4d60-5b54-83ab-a6f9-8a0b16859f27-10\" data-testid=\"conversation-turn-242\" data-scroll-anchor=\"false\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"bbd610c4-b52f-4df5-bc83-976d580ec8ed\" data-turn-start-message=\"true\" dir=\"auto\" data-message-model-slug=\"gpt-5-3-mini\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"streaming-animation markdown prose dark:prose-invert wrap-break-word w-full light markdown-new-styling\"\u003e\n\u003ch3 data-section-id=\"1l1n5f9\" data-start=\"0\" data-end=\"43\"\u003e🔧 Mitsubishi SJ-2B6709TK – Description\u003c\/h3\u003e\n\u003cp data-start=\"45\" data-end=\"247\"\u003eThe \u003cstrong data-start=\"49\" data-end=\"64\"\u003eSJ-2B6709TK\u003c\/strong\u003e is a \u003cstrong data-start=\"70\" data-end=\"128\"\u003eMitsubishi Electric SJ-B Series built-in spindle motor\u003c\/strong\u003e, designed for \u003cstrong data-start=\"143\" data-end=\"183\"\u003ehigh-torque CNC spindle applications\u003c\/strong\u003e where strong cutting power and stable performance are required.\u003c\/p\u003e\n\u003cp data-start=\"249\" data-end=\"402\"\u003eIt is a \u003cstrong data-start=\"257\" data-end=\"285\"\u003edual-coil built-in motor\u003c\/strong\u003e used inside machine tool spindles, enabling a compact structure with high rigidity and efficient power transmission.\u003c\/p\u003e\n\u003chr data-start=\"404\" data-end=\"407\"\u003e\n\u003ch3 data-section-id=\"kx01fl\" data-start=\"409\" data-end=\"431\"\u003e⚙️ Key Description\u003c\/h3\u003e\n\u003cul data-start=\"433\" data-end=\"753\"\u003e\n\u003cli data-section-id=\"tw4l1t\" data-start=\"433\" data-end=\"476\"\u003e\n\u003cstrong data-start=\"435\" data-end=\"446\"\u003eSeries:\u003c\/strong\u003e SJ-B Built-in Spindle Motor\u003c\/li\u003e\n\u003cli data-section-id=\"wypmrb\" data-start=\"477\" data-end=\"544\"\u003e\n\u003cstrong data-start=\"479\" data-end=\"488\"\u003eType:\u003c\/strong\u003e Dual winding (low-speed \/ high-speed coil changeover)\u003c\/li\u003e\n\u003cli data-section-id=\"1hem4hy\" data-start=\"545\" data-end=\"644\"\u003e\n\u003cstrong data-start=\"547\" data-end=\"563\"\u003eApplication:\u003c\/strong\u003e CNC machining centers, heavy-duty milling machines, industrial spindle systems\u003c\/li\u003e\n\u003cli data-section-id=\"wc7gce\" data-start=\"645\" data-end=\"753\"\u003e\n\u003cstrong data-start=\"647\" data-end=\"676\"\u003eDrive unit compatibility:\u003c\/strong\u003e \u003cstrong data-start=\"677\" data-end=\"713\"\u003eMDS-D2-SP-400 spindle drive unit\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"755\" data-end=\"758\"\u003e\n\u003ch3 data-section-id=\"4ligfa\" data-start=\"760\" data-end=\"792\"\u003e⚡ Functional Characteristics\u003c\/h3\u003e\n\u003cul data-start=\"794\" data-end=\"1116\"\u003e\n\u003cli data-section-id=\"t1uv2s\" data-start=\"794\" data-end=\"963\"\u003eOperates with \u003cstrong data-start=\"810\" data-end=\"835\"\u003etwo-speed coil system\u003c\/strong\u003e:\n\u003cul data-start=\"839\" data-end=\"963\"\u003e\n\u003cli data-section-id=\"x654d1\" data-start=\"839\" data-end=\"900\"\u003eLow-speed coil → very high torque for rough\/heavy cutting\u003c\/li\u003e\n\u003cli data-section-id=\"svq974\" data-start=\"903\" data-end=\"963\"\u003eHigh-speed coil → up to finishing and high RPM machining\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1anwp5m\" data-start=\"965\" data-end=\"1116\"\u003eDesigned for:\n\u003cul data-start=\"983\" data-end=\"1116\"\u003e\n\u003cli data-section-id=\"14a51zn\" data-start=\"983\" data-end=\"1016\"\u003e\u003cstrong data-start=\"985\" data-end=\"1016\"\u003eHigh cutting load stability\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"kbaea2\" data-start=\"1019\" data-end=\"1058\"\u003e\u003cstrong data-start=\"1021\" data-end=\"1058\"\u003eStrong torque output at low speed\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"l66nva\" data-start=\"1061\" data-end=\"1116\"\u003eContinuous industrial operation with liquid cooling\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1118\" data-end=\"1121\"\u003e\n\u003ch3 data-section-id=\"iqddrx\" data-start=\"1123\" data-end=\"1154\"\u003e📊 Key Performance Overview\u003c\/h3\u003e\n\u003cul data-start=\"1156\" data-end=\"1592\"\u003e\n\u003cli data-section-id=\"1nszsjh\" data-start=\"1156\" data-end=\"1319\"\u003e\n\u003cstrong data-start=\"1158\" data-end=\"1175\"\u003ePower output:\u003c\/strong\u003e\n\u003cul data-start=\"1178\" data-end=\"1319\"\u003e\n\u003cli data-section-id=\"1prqisu\" data-start=\"1178\" data-end=\"1236\"\u003eContinuous: \u003cstrong data-start=\"1192\" data-end=\"1234\"\u003e15 kW (low-speed) \/ 22 kW (high-speed)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1tgcogx\" data-start=\"1239\" data-end=\"1319\"\u003eShort-time (30 min): \u003cstrong data-start=\"1262\" data-end=\"1279\"\u003e22 kW \/ 30 kW\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"161imxz\" data-start=\"1321\" data-end=\"1452\"\u003e\n\u003cstrong data-start=\"1323\" data-end=\"1334\"\u003eTorque:\u003c\/strong\u003e\n\u003cul data-start=\"1337\" data-end=\"1452\"\u003e\n\u003cli data-section-id=\"12cqsu6\" data-start=\"1337\" data-end=\"1374\"\u003eContinuous: \u003cstrong data-start=\"1351\" data-end=\"1372\"\u003e409 N·m \/ 210 N·m\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"jq8hs3\" data-start=\"1377\" data-end=\"1452\"\u003eShort-time: \u003cstrong data-start=\"1391\" data-end=\"1412\"\u003e500 N·m \/ 286 N·m\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"nkaj67\" data-start=\"1454\" data-end=\"1592\"\u003e\n\u003cstrong data-start=\"1456\" data-end=\"1472\"\u003eSpeed range:\u003c\/strong\u003e\n\u003cul data-start=\"1475\" data-end=\"1592\"\u003e\n\u003cli data-section-id=\"yr593c\" data-start=\"1475\" data-end=\"1510\"\u003eLow-speed coil: ~350–1000 r\/min\u003c\/li\u003e\n\u003cli data-section-id=\"bmaib1\" data-start=\"1513\" data-end=\"1592\"\u003eHigh-speed coil: up to \u003cstrong data-start=\"1538\" data-end=\"1552\"\u003e6000 r\/min\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1594\" data-end=\"1597\"\u003e\n\u003ch3 data-section-id=\"6otvur\" data-start=\"1599\" data-end=\"1639\"\u003e🧩 Mechanical \u0026amp; Construction Details\u003c\/h3\u003e\n\u003cul data-start=\"1641\" data-end=\"1914\"\u003e\n\u003cli data-section-id=\"1liixqi\" data-start=\"1641\" data-end=\"1675\"\u003e\n\u003cstrong data-start=\"1643\" data-end=\"1661\"\u003eRotor inertia:\u003c\/strong\u003e ~0.37 kg·m²\u003c\/li\u003e\n\u003cli data-section-id=\"gjrl7d\" data-start=\"1676\" data-end=\"1765\"\u003e\n\u003cstrong data-start=\"1678\" data-end=\"1693\"\u003eMotor mass:\u003c\/strong\u003e ~83 kg (stator), ~49 kg (rotor) \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1kjb698\" data-start=\"1766\" data-end=\"1807\"\u003e\n\u003cstrong data-start=\"1768\" data-end=\"1794\"\u003eStator outer diameter:\u003c\/strong\u003e ~Ø299.5 mm\u003c\/li\u003e\n\u003cli data-section-id=\"4b8fe3\" data-start=\"1808\" data-end=\"1846\"\u003e\n\u003cstrong data-start=\"1810\" data-end=\"1835\"\u003eRotor inner diameter:\u003c\/strong\u003e ~Ø130 mm\u003c\/li\u003e\n\u003cli data-section-id=\"18pmdmf\" data-start=\"1847\" data-end=\"1914\"\u003e\n\u003cstrong data-start=\"1849\" data-end=\"1866\"\u003eMotor length:\u003c\/strong\u003e ~450 mm \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1916\" data-end=\"1919\"\u003e\n\u003ch3 data-section-id=\"jkg42w\" data-start=\"1921\" data-end=\"1948\"\u003e🌡️ Cooling \u0026amp; Operation\u003c\/h3\u003e\n\u003cul data-start=\"1950\" data-end=\"2234\"\u003e\n\u003cli data-section-id=\"18v53iu\" data-start=\"1950\" data-end=\"2015\"\u003e\n\u003cstrong data-start=\"1952\" data-end=\"1969\"\u003eCooling type:\u003c\/strong\u003e Liquid\/oil cooling (stator jacket required)\u003c\/li\u003e\n\u003cli data-section-id=\"18mzqme\" data-start=\"2016\" data-end=\"2055\"\u003e\n\u003cstrong data-start=\"2018\" data-end=\"2035\"\u003eCooling flow:\u003c\/strong\u003e ~15 L\/min typical\u003c\/li\u003e\n\u003cli data-section-id=\"1d28n33\" data-start=\"2056\" data-end=\"2154\"\u003e\n\u003cstrong data-start=\"2058\" data-end=\"2079\"\u003eHeat dissipation:\u003c\/strong\u003e ~6.18 kW required cooling capacity \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"7m28p8\" data-start=\"2155\" data-end=\"2234\"\u003e\n\u003cstrong data-start=\"2157\" data-end=\"2178\"\u003eInsulation class:\u003c\/strong\u003e Industrial-grade F-class system (typical SJ-B design)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2236\" data-end=\"2239\"\u003e\n\u003ch3 data-section-id=\"1tre2jo\" data-start=\"2241\" data-end=\"2268\"\u003e🏭 Typical Applications\u003c\/h3\u003e\n\u003cp data-start=\"2270\" data-end=\"2306\"\u003eThe SJ-2B6709TK is commonly used in:\u003c\/p\u003e\n\u003cul data-start=\"2307\" data-end=\"2499\"\u003e\n\u003cli data-section-id=\"1vv5ekn\" data-start=\"2307\" data-end=\"2356\"\u003eHeavy-duty CNC vertical machining centers (VMC)\u003c\/li\u003e\n\u003cli data-section-id=\"pj61xr\" data-start=\"2357\" data-end=\"2387\"\u003eHigh-load milling operations\u003c\/li\u003e\n\u003cli data-section-id=\"fbzddi\" data-start=\"2388\" data-end=\"2445\"\u003eProduction machines requiring \u003cstrong data-start=\"2420\" data-end=\"2445\"\u003ehigh torque stability\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1h8lujk\" data-start=\"2446\" data-end=\"2499\"\u003eIndustrial machining where tool load varies heavily\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2501\" data-end=\"2504\"\u003e\n\u003ch3 data-section-id=\"uvvked\" data-start=\"2506\" data-end=\"2520\"\u003e⚠️ Summary\u003c\/h3\u003e\n\u003cp data-start=\"2522\" data-end=\"2794\"\u003eCompared to smaller SJ-B models, the \u003cstrong data-start=\"2559\" data-end=\"2645\"\u003eSJ-2B6709TK stands out for its higher torque capability (up to 500 N·m short-time)\u003c\/strong\u003e, making it better suited for \u003cstrong data-start=\"2675\" data-end=\"2727\"\u003eheavier cutting conditions and tougher materials\u003c\/strong\u003e, while still maintaining 6000 rpm high-speed finishing capability.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"JJAutomation","offers":[{"title":"Default Title","offer_id":45860990156936,"sku":"SJ-2B6709TK","price":0.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/1903\/3224\/files\/WhatsAppImage2025-10-18at1.47.49PM-2026-05-18T130727.835.jpg?v=1779089856","url":"https:\/\/jjautomation.in\/products\/mitsubishi-m80-built-in-spindle-motor-sj-2b6704tk-copy","provider":"JJAutomation","version":"1.0","type":"link"}