{"product_id":"jet-9-x-49-knee-milling-machine-3-0000-hp-variable-speed-pulley-three-phase-60-rpm-min-4200-rpm-max-r8-spindle-taper-690182","title":"Jet 9 x 49\" Knee Milling Machine: 3.0000 hp, Variable Speed Pulley, Three Phase  60 RPM Min, 4200 RPM Max, R8 Spindle Taper 690182","description":"\u003cstyle\u003e\n    .iron-theme{\n      --black:#0b0b0b; --gray:#6b7280;\n      --red:#c1121f; --red2:#e11d2e;\n      --border:#e5e7eb; --soft:#f8fafc;\n      font-family: Arial, Helvetica, sans-serif;\n      color: var(--black);\n      max-width: 1100px;\n      margin: 0 auto;\n      line-height: 1.7;\n    }\n    .shell{border:1px solid var(--border);border-radius:16px;overflow:hidden;background:#fff;box-shadow:0 10px 28px rgba(0,0,0,.08);}\n    .top{padding:24px;}\n    .kicker{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--gray);margin:0 0 8px;}\n    h1{margin:0;font-size:30px;font-weight:900;text-transform:uppercase;}\n    .sub{margin:12px 0 0;font-size:15px;max-width:100ch;}\n    .stripe{height:8px;background:linear-gradient(90deg,var(--red) 0%,var(--red) 70%,var(--red2) 100%);}\n    .content{padding:24px;background:var(--soft);}\n    .card{border:1px solid var(--border);border-radius:16px;background:#fff;padding:20px;margin:18px 0;box-shadow:0 8px 22px rgba(0,0,0,.06);}\n    h2{margin:0 0 12px;font-size:19px;font-weight:900;text-transform:uppercase;display:flex;align-items:center;gap:10px;}\n    h2:before{content:\"\";width:10px;height:10px;background:var(--red);border-radius:2px;}\n    ul{margin:0;padding-left:20px;}\n    ul li{margin:8px 0;}\n    table{width:100%;border-collapse:collapse;font-size:14px;}\n    th, td{border:1px solid var(--border);padding:10px;text-align:left;}\n    th{background:#f3f4f6;font-size:12px;text-transform:uppercase;font-weight:900;}\n    .callout{border:1px dashed rgba(193,18,31,.5);background:rgba(193,18,31,.06);border-radius:12px;padding:14px;font-size:14px;margin-top:12px;}\n  \u003c\/style\u003e\n\n\u003csection aria-label=\"JET JTM-4VS Vertical Milling Machine Product Description\" class=\"cy3c-wrap iron-theme\"\u003e\n\u003cdiv class=\"shell\"\u003e\n\u003cdiv class=\"top\"\u003e\n\u003cp class=\"kicker\"\u003eCertified Meehanite® Casting • 3 HP Variable Speed • Toolroom Precision\u003c\/p\u003e\n\u003ch2\u003eJET JTM-4VS 9\" x 49\" Variable Speed Vertical Milling Machine\u003c\/h2\u003e\n\u003cp class=\"sub\"\u003eEngineered to deliver continuous reliability and absolute rigidity in high-output toolrooms and busy job shops, the \u003cstrong\u003eJET JTM-4VS Variable Speed Vertical Milling Machine (690182)\u003c\/strong\u003e is a testament to precision manufacturing. Constructed using a premium Certified Meehanite® casting process, this 2,175-pound milling center minimizes harmonic distortion and structural deflection under aggressive cuts. Driven by a high-torque 3 HP motor paired with a robust variable speed pulley drive system, operators can seamlessly tune spindle tracking from a low 60 RPM up to 4,200 RPM. Featuring precision-bored, internally cooled milling heads, adjustable gibs, and hardened and ground ways, this machine ensures flawless surface profiling, squaring, and bored finishes cycle after cycle.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"stripe\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\n\u003cdiv class=\"content\"\u003e\n\u003cdiv class=\"card\"\u003e\n\u003ch2\u003eJET JTM-4VS Heavy-Duty Applications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHigh-precision face milling, pocketing, and profiling on complex steel castings and alloys\u003c\/li\u003e\n\u003cli\u003eMeticulous tool and die production, mold manufacturing, and industrial prototype development\u003c\/li\u003e\n\u003cli\u003eHeavy-duty drilling, boring, and tapping operations across a massive 9\" x 49\" envelope\u003c\/li\u003e\n\u003cli\u003eMulti-angle heavy fabrication utilizing compound 45° tilt and 90° rotation head positioning\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"callout\"\u003eAn unyielding toolroom asset optimized for commercial manufacturing plants, aerospace shops, and heavy mechanical maintenance departments requiring dead-on accuracy.\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"card\"\u003e\n\u003ch2\u003eJET JTM-4VS Technical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eStock Number\u003c\/th\u003e\n\u003ctd\u003eJT9-690182 (Model JTM-4VS)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMotor Power\u003c\/th\u003e\n\u003ctd\u003e3 HP, 230V \/ 460V, 3-Phase (Pre-wired 230V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFull Load Amperage\u003c\/th\u003e\n\u003ctd\u003e9.6A (at 230V) \/ 4.8A (at 460V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSpindle Speed Range\u003c\/th\u003e\n\u003ctd\u003eVariable 60 – 4,200 RPM (Mechanical Pulley)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSpindle Taper Size\u003c\/th\u003e\n\u003ctd\u003eR-8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTable Size (L x W)\u003c\/th\u003e\n\u003ctd\u003e49\" x 9\" (with 3 T-slots on 2-1\/2\" centers)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWork Table Load Capacity\u003c\/th\u003e\n\u003ctd\u003e660 lbs maximum limit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAxis Travels\u003c\/th\u003e\n\u003ctd\u003eLongitudinal: 34\" • Cross: 12\" • Knee: 14-1\/2\" • Ram: 13-3\/8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eQuill Properties\u003c\/th\u003e\n\u003ctd\u003e3-3\/8\" Chromed Diameter • 5\" Spindle Travel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eQuill Down Feed Rates\u003c\/th\u003e\n\u003ctd\u003e3 Stages: .0015\" - .003\" - .006\" Per Revolution (IPR)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHead Articulation\u003c\/th\u003e\n\u003ctd\u003eTilt (Forward\/Backward): 45° • Rotation (Left\/Right): 90°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNet Weight \/ Gross Weight\u003c\/th\u003e\n\u003ctd\u003e2,175 lbs \/ 2,226 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"card\"\u003e\n\u003ch2\u003ePerformance \u0026amp; Engineering Controls\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertified Meehanite® Cast Iron Body\u003c\/strong\u003e supplies immense structural dampening properties to ensure clean, chatter-free processing under high mechanical feed rates.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThree-Stage Power Downfeed System\u003c\/strong\u003e incorporates an automatic stop mechanism to maximize user precision and ease repetitive deep boring depth workflows.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Hardened \u0026amp; Ground Table\/Ways\u003c\/strong\u003e deliver smooth, unyielding slide movements across all travel axes to consistently hold strict mechanical tolerances.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInternally Cooled Spindle Head Housing\u003c\/strong\u003e dissipates localized thermal energy efficiently to maintain exact bearing preload configurations during continuous, high-speed runs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOne-Shot Manual Lubrication Block\u003c\/strong\u003e channels critical lubrication immediately to multiple friction paths on the carriage and table for accelerated daily maintenance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOversized Chrome-Plated Quill Assembly\u003c\/strong\u003e provides an ultra-stiff 3-3\/8\" diameter layout, reducing tooling flexion during heavy cross-milling or plunging operations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated Base Coolant Reservoir\u003c\/strong\u003e built right into the lower foot casting, ready for direct hookup to external flood cooling pumps.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"card\"\u003e\n\u003ch2\u003eWhy Invest in the JET JTM-4VS Milling Platform\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMeehanite structural foundation protects your initial capital investment against long-term warping and geometric wear.\u003c\/li\u003e\n\u003cli\u003eDual-voltage 3-phase configuration seamlessly integrates into standard facility grid distributions.\u003c\/li\u003e\n\u003cli\u003eFlexible angular adjustments on the head permit single-setup processing of complex multi-face profiles.\u003c\/li\u003e\n\u003cli\u003eTurnkey compliance package includes a full factory layout Tolerance Test Sheet and a 2-Year Full Service Warranty.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"callout\"\u003e\n  The JET JTM-4VS balances heavy industrial raw metal handling with tight-tolerance machining fidelity, making it a foundation asset on any professional shop floor.\u003cbr\u003e\u003cbr\u003e\n  \u003cstrong\u003eOfficial Product Manuals:\u003c\/strong\u003e \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0967\/6996\/6445\/files\/690182_man_06cf.pdf?v=1779554843\" style=\"color: var(--red); font-weight: bold;\" target=\"_blank\"\u003eDownload Setup \u0026amp; Parts Manual\u003c\/a\u003e • \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0967\/6996\/6445\/files\/690182_man_en_535a.pdf?v=1779554863\" style=\"color: var(--red); font-weight: bold;\" target=\"_blank\"\u003eDownload Operation Manual\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e","brand":"Jet Tools","offers":[{"title":"Default Title","offer_id":53360820257133,"sku":null,"price":14629.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0967\/6996\/6445\/files\/Jet_9_x_49_Knee_Milling_Machine_3.0000_hp_Variable_Speed_Pulley_Three_Phase_60_RPM_Min_4200_RPM_Max_R8_Spindle_Taper_690182.png?v=1779625363","url":"https:\/\/ironlinetools.com\/products\/jet-9-x-49-knee-milling-machine-3-0000-hp-variable-speed-pulley-three-phase-60-rpm-min-4200-rpm-max-r8-spindle-taper-690182","provider":"Iron Line Tools","version":"1.0","type":"link"}