{"product_id":"mitsubishi-m80-built-in-spindle-motor-sj-2b6721tk-copy","title":"Mitsubishi M80 Built-IN Spindle Motor SJ-2B6704TK","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=\"1e2pszc\" data-start=\"0\" data-end=\"43\"\u003e🔧 Mitsubishi SJ-2B6704TK – Description\u003c\/h3\u003e\n\u003cp data-start=\"45\" data-end=\"329\"\u003eThe \u003cstrong data-start=\"49\" data-end=\"64\"\u003eSJ-2B6704TK\u003c\/strong\u003e is a \u003cstrong data-start=\"70\" data-end=\"128\"\u003eMitsubishi Electric SJ-B Series built-in spindle motor\u003c\/strong\u003e used in CNC machine tools for \u003cstrong data-start=\"159\" data-end=\"212\"\u003ehigh-torque, precision spindle drive applications\u003c\/strong\u003e. It is designed to be mounted directly inside the machine spindle, enabling a compact and rigid machining structure.\u003c\/p\u003e\n\u003chr data-start=\"331\" data-end=\"334\"\u003e\n\u003ch3 data-section-id=\"kx01fl\" data-start=\"336\" data-end=\"358\"\u003e⚙️ Key Description\u003c\/h3\u003e\n\u003cul data-start=\"360\" data-end=\"671\"\u003e\n\u003cli data-section-id=\"tw4l1t\" data-start=\"360\" data-end=\"403\"\u003e\n\u003cstrong data-start=\"362\" data-end=\"373\"\u003eSeries:\u003c\/strong\u003e SJ-B Built-in Spindle Motor\u003c\/li\u003e\n\u003cli data-section-id=\"gwaae4\" data-start=\"404\" data-end=\"483\"\u003e\n\u003cstrong data-start=\"406\" data-end=\"415\"\u003eType:\u003c\/strong\u003e Dual-coil built-in spindle motor (low-speed \/ high-speed winding)\u003c\/li\u003e\n\u003cli data-section-id=\"1ueg4hw\" data-start=\"484\" data-end=\"567\"\u003e\n\u003cstrong data-start=\"486\" data-end=\"502\"\u003eApplication:\u003c\/strong\u003e CNC machining centers, heavy-duty milling and turning machines\u003c\/li\u003e\n\u003cli data-section-id=\"1xe2y0t\" data-start=\"568\" data-end=\"671\"\u003e\n\u003cstrong data-start=\"570\" data-end=\"594\"\u003eDrive compatibility:\u003c\/strong\u003e \u003cstrong data-start=\"595\" data-end=\"631\"\u003eMDS-D2-SP-320 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=\"673\" data-end=\"676\"\u003e\n\u003ch3 data-section-id=\"4ligfa\" data-start=\"678\" data-end=\"710\"\u003e⚡ Functional Characteristics\u003c\/h3\u003e\n\u003cul data-start=\"712\" data-end=\"991\"\u003e\n\u003cli data-section-id=\"kdircd\" data-start=\"712\" data-end=\"849\"\u003eSupports \u003cstrong data-start=\"723\" data-end=\"752\"\u003ecoil changeover operation\u003c\/strong\u003e:\n\u003cul data-start=\"756\" data-end=\"849\"\u003e\n\u003cli data-section-id=\"ucu6bh\" data-start=\"756\" data-end=\"794\"\u003eLow-speed coil → high torque cutting\u003c\/li\u003e\n\u003cli data-section-id=\"g7r22y\" data-start=\"797\" data-end=\"849\"\u003eHigh-speed coil → finishing \/ high RPM machining\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1fl52vo\" data-start=\"850\" data-end=\"908\"\u003eDesigned for \u003cstrong data-start=\"865\" data-end=\"908\"\u003estable torque delivery under heavy load\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"t6fryh\" data-start=\"909\" data-end=\"991\"\u003eSuitable for \u003cstrong data-start=\"924\" data-end=\"991\"\u003econtinuous industrial operation with oil-cooled spindle systems\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"993\" data-end=\"996\"\u003e\n\u003ch3 data-section-id=\"iqddrx\" data-start=\"998\" data-end=\"1029\"\u003e📊 Key Performance Overview\u003c\/h3\u003e\n\u003cul data-start=\"1031\" data-end=\"1508\"\u003e\n\u003cli data-section-id=\"1pfhool\" data-start=\"1031\" data-end=\"1235\"\u003e\n\u003cstrong data-start=\"1033\" data-end=\"1050\"\u003ePower output:\u003c\/strong\u003e\n\u003cul data-start=\"1053\" data-end=\"1235\"\u003e\n\u003cli data-section-id=\"ay18q1\" data-start=\"1053\" data-end=\"1132\"\u003eContinuous rating: \u003cstrong data-start=\"1074\" data-end=\"1100\"\u003e15 kW (low-speed coil)\u003c\/strong\u003e \/ \u003cstrong data-start=\"1103\" data-end=\"1130\"\u003e22 kW (high-speed coil)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"12i5dny\" data-start=\"1135\" data-end=\"1235\"\u003eShort-time rating: \u003cstrong data-start=\"1156\" data-end=\"1174\"\u003e22 kW (30 min)\u003c\/strong\u003e \/ \u003cstrong data-start=\"1177\" data-end=\"1195\"\u003e30 kW (30 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\u003cli data-section-id=\"d8mcaw\" data-start=\"1237\" data-end=\"1368\"\u003e\n\u003cstrong data-start=\"1239\" data-end=\"1250\"\u003eTorque:\u003c\/strong\u003e\n\u003cul data-start=\"1253\" data-end=\"1368\"\u003e\n\u003cli data-section-id=\"oogz8y\" data-start=\"1253\" data-end=\"1290\"\u003eContinuous: \u003cstrong data-start=\"1267\" data-end=\"1288\"\u003e302 N·m \/ 175 N·m\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"3gy2sg\" data-start=\"1293\" data-end=\"1368\"\u003eShort-time: \u003cstrong data-start=\"1307\" data-end=\"1328\"\u003e442 N·m \/ 239 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=\"evfqko\" data-start=\"1370\" data-end=\"1508\"\u003e\n\u003cstrong data-start=\"1372\" data-end=\"1388\"\u003eSpeed range:\u003c\/strong\u003e\n\u003cul data-start=\"1391\" data-end=\"1508\"\u003e\n\u003cli data-section-id=\"1pzpoen\" data-start=\"1391\" data-end=\"1426\"\u003eLow-speed coil: ~475 r\/min base\u003c\/li\u003e\n\u003cli data-section-id=\"bmaib1\" data-start=\"1429\" data-end=\"1508\"\u003eHigh-speed coil: up to \u003cstrong data-start=\"1454\" data-end=\"1468\"\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=\"1510\" data-end=\"1513\"\u003e\n\u003ch3 data-section-id=\"6otvur\" data-start=\"1515\" data-end=\"1555\"\u003e🧩 Mechanical \u0026amp; Construction Details\u003c\/h3\u003e\n\u003cul data-start=\"1557\" data-end=\"1872\"\u003e\n\u003cli data-section-id=\"1liixqi\" data-start=\"1557\" data-end=\"1591\"\u003e\n\u003cstrong data-start=\"1559\" data-end=\"1577\"\u003eRotor inertia:\u003c\/strong\u003e ~0.37 kg·m²\u003c\/li\u003e\n\u003cli data-section-id=\"45aibo\" data-start=\"1592\" data-end=\"1643\"\u003e\n\u003cstrong data-start=\"1594\" data-end=\"1609\"\u003eMotor mass:\u003c\/strong\u003e ~83 kg (stator), ~49 kg (rotor)\u003c\/li\u003e\n\u003cli data-section-id=\"15f78ph\" data-start=\"1644\" data-end=\"1679\"\u003e\n\u003cstrong data-start=\"1646\" data-end=\"1666\"\u003eStator diameter:\u003c\/strong\u003e ~Ø299.5 mm\u003c\/li\u003e\n\u003cli data-section-id=\"4b8fe3\" data-start=\"1680\" data-end=\"1718\"\u003e\n\u003cstrong data-start=\"1682\" data-end=\"1707\"\u003eRotor inner diameter:\u003c\/strong\u003e ~Ø130 mm\u003c\/li\u003e\n\u003cli data-section-id=\"15kuatz\" data-start=\"1719\" data-end=\"1782\"\u003e\n\u003cstrong data-start=\"1721\" data-end=\"1733\"\u003eCooling:\u003c\/strong\u003e Liquid\/oil cooling via spindle jacket required\u003c\/li\u003e\n\u003cli data-section-id=\"1e3j59g\" data-start=\"1783\" data-end=\"1872\"\u003e\n\u003cstrong data-start=\"1785\" data-end=\"1802\"\u003eCooling flow:\u003c\/strong\u003e ~15 L\/min typical requirement \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1874\" data-end=\"1877\"\u003e\n\u003ch3 data-section-id=\"1tre2jo\" data-start=\"1879\" data-end=\"1906\"\u003e🏭 Typical Applications\u003c\/h3\u003e\n\u003cp data-start=\"1908\" data-end=\"1944\"\u003eThe SJ-2B6704TK is commonly used in:\u003c\/p\u003e\n\u003cul data-start=\"1945\" data-end=\"2118\"\u003e\n\u003cli data-section-id=\"5w45g5\" data-start=\"1945\" data-end=\"1983\"\u003eCNC vertical machining centers (VMC)\u003c\/li\u003e\n\u003cli data-section-id=\"3mr5m3\" data-start=\"1984\" data-end=\"2019\"\u003eHeavy-duty metal cutting machines\u003c\/li\u003e\n\u003cli data-section-id=\"b5in6d\" data-start=\"2020\" data-end=\"2058\"\u003eHigh-load industrial spindle systems\u003c\/li\u003e\n\u003cli data-section-id=\"6yp5fk\" data-start=\"2059\" data-end=\"2118\"\u003eProduction machining requiring stable torque at low speed\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2120\" data-end=\"2123\"\u003e\n\u003ch3 data-section-id=\"uvvked\" data-start=\"2125\" data-end=\"2139\"\u003e⚠️ Summary\u003c\/h3\u003e\n\u003cp data-start=\"2141\" data-end=\"2403\"\u003eCompared to similar models (like SJ-2B6721TK), the \u003cstrong data-start=\"2192\" data-end=\"2260\"\u003eSJ-2B6704TK provides slightly higher torque capacity and inertia\u003c\/strong\u003e, making it better suited for \u003cstrong data-start=\"2290\" data-end=\"2346\"\u003eheavier cutting loads and stronger spindle stability\u003c\/strong\u003e, while still supporting high-speed finishing operations.\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":45860990091400,"sku":"SJ-2B6704TK","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-2b6721tk-copy","provider":"JJAutomation","version":"1.0","type":"link"}