{"product_id":"jet-690125","title":"JET JTM-4VS Mill w\/ACU-RITE 203 DRO w\/X-Axis Powerfeed and Power Draw Bar","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eJET JTM-4VS Mill with ACU-RITE 203 DRO, X-Axis Powerfeed, and Power Draw Bar\u003c\/strong\u003e is a professional-grade vertical milling machine engineered by JET for demanding machining environments. Built on a Certified Meehanite casting process, this variable speed mill delivers consistent, reliable cutting performance across a wide range of metalworking and fabrication applications. The integration of the ACU-RITE 203 Digital Readout, X-Axis Powerfeed, and pneumatic Power Draw Bar streamlines operation and enhances precision, making this machine a comprehensive solution for both production and toolroom work.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAdjustable gibs throughout for precise fit and minimal backlash across all axes\u003c\/li\u003e\n\u003cli\u003eHeavy duty splined motor drive for dependable, high-torque power transmission\u003c\/li\u003e\n\u003cli\u003eInternal coolant tank built into the casting base for use with a coolant system (coolant pump not included)\u003c\/li\u003e\n\u003cli\u003eLarge diameter chromed quill for enhanced durability and smooth travel\u003c\/li\u003e\n\u003cli\u003eOne-shot lubrication system for convenient, thorough machine lubrication\u003c\/li\u003e\n\u003cli\u003ePrecision hardened and ground ways and table for superior accuracy and long-term wear resistance\u003c\/li\u003e\n\u003cli\u003eSpindle head is internally cooled to maintain optimal operating temperatures during extended use\u003c\/li\u003e\n\u003cli\u003ePrecision bored and honed milling head ensures quality, repeatable cuts\u003c\/li\u003e\n\u003cli\u003eThree-stage power downfeed with automatic stop for ease of use and consistent depth control\u003c\/li\u003e\n\u003cli\u003eACU-RITE 203 Digital Readout (DRO) for real-time, high-accuracy positional feedback\u003c\/li\u003e\n\u003cli\u003eX-Axis Powerfeed for effortless, consistent table movement along the longitudinal axis\u003c\/li\u003e\n\u003cli\u003ePneumatic Power Draw Bar for fast, tool-free spindle tooling changes\u003c\/li\u003e\n\u003cli\u003eVariable spindle speed ranging from 60 to 4,200 RPM to accommodate a wide variety of materials and operations\u003c\/li\u003e\n\u003cli\u003eTolerance test sheet included for documented out-of-box accuracy verification\u003c\/li\u003e\n\u003cli\u003eBacked by an industry-leading two-year full service and parts warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStock Number:\u003c\/strong\u003e 690125\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMPN:\u003c\/strong\u003e JT9-690125\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStyle (Type):\u003c\/strong\u003e Variable Speed R8\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMotor:\u003c\/strong\u003e 3 HP, 230\/460V, 3Ph\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRange of Spindle Speeds (RPM):\u003c\/strong\u003e 60 � 4,200\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpindle Taper:\u003c\/strong\u003e R-8\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpindle Travel (In.):\u003c\/strong\u003e 5\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuill Diameter (In.):\u003c\/strong\u003e 3-3\/8\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuill Down Feed Rates (IPR):\u003c\/strong\u003e .0015 � .003 � .006\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCollet Capacity:\u003c\/strong\u003e 1\/8 � 7\/8\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTable Longitudinal Travel (In.):\u003c\/strong\u003e 34\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTable Longitudinal Travel With Powerfeed (In.):\u003c\/strong\u003e 28-3\/4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTable Cross Travel (In.):\u003c\/strong\u003e 12\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eT-Slot Centers (In.):\u003c\/strong\u003e 2-1\/2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDistance Spindle to Column, Max. (In.):\u003c\/strong\u003e 19\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Distance Spindle to Table (In.):\u003c\/strong\u003e 17-1\/2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Dimensions (L x W x H) (In.):\u003c\/strong\u003e 66 x 63 x 85\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Axis:\u003c\/strong\u003e 2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePowerfeed:\u003c\/strong\u003e X-Axis\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Draw Bar:\u003c\/strong\u003e Pneumatic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProp 65:\u003c\/strong\u003e Cancer and Reproductive Harm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Taiwan\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eJET JTM-4VS Variable Speed Milling Machine\u003c\/li\u003e\n\u003cli\u003eACU-RITE 203 Digital Readout (DRO)\u003c\/li\u003e\n\u003cli\u003eX-Axis Powerfeed\u003c\/li\u003e\n\u003cli\u003ePneumatic Power Draw Bar\u003c\/li\u003e\n\u003cli\u003eTolerance test sheet\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat spindle taper does the JET JTM-4VS use, and what collet sizes are compatible?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThe JTM-4VS uses an R-8 spindle taper, which is one of the most common standards in vertical milling machines. It accepts collets ranging from 1\/8 inch to 7\/8 inch, providing broad compatibility with standard end mills, drill chucks, and toolholders.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eIs a coolant pump included with this milling machine?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThe machine features an internal coolant tank built directly into the casting base, designed for use with a coolant system. However, the coolant pump is not included and must be sourced separately if coolant-assisted machining is desired.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat variable spindle speed range does the JTM-4VS offer?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThe JTM-4VS provides a variable spindle speed range of 60 to 4,200 RPM, allowing operators to dial in the optimal cutting speed for a wide variety of materials, including steel, aluminum, cast iron, and plastics.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat are the available quill down feed rates, and how does the power downfeed system work?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThe JTM-4VS offers three quill down feed rates  -  .0015, .003, and .006 inches per revolution (IPR)  -  via its three-stage power downfeed system, which also includes an automatic stop feature. This allows the operator to set a consistent depth of cut and have the quill stop automatically, reducing the chance of over-travel and improving repeatability across multiple operations.\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003c\/div\u003e","brand":"JET","offers":[{"title":"Default Title","offer_id":40249090146465,"sku":"JT9-690125","price":21670.11,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/products\/690125_main_1f8dc646-ce19-48bf-a458-d6d04cc1722a.jpg?v=1624988878","url":"https:\/\/factorydirectsupply.com\/products\/jet-690125","provider":"FactoryDirectSupply.com","version":"1.0","type":"link"}