{"product_id":"jet-690094","title":"JET JTM-4VS Mill w\/3-Axis Newall DP700 DRO (Knee) w\/X Y \u0026 Z-Axis Powerfeeds \u0026 Power Draw Bar","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eJET JTM-4VS Mill with 3-Axis Newall DP700 DRO (Knee), X\/Y\/Z-Axis Powerfeeds, and Power Draw Bar\u003c\/strong\u003e is a professional-grade vertical milling machine from \u003cstrong\u003eJET\u003c\/strong\u003e, engineered for machinists and production shops that demand precision, versatility, and efficient operation. Built on a Certified Meehanite casting process foundation, this variable speed knee mill combines a wide spindle speed range of 60�4,200 RPM, three-axis powerfeeds, a pneumatic power draw bar, and a Newall DP700 digital readout system to deliver accurate, repeatable results across a broad range of milling applications.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAdjustable gibs throughout for precise fit and reduced play across all axes\u003c\/li\u003e\n\u003cli\u003eHeavy-duty spindle brake for quick, controlled spindle stops\u003c\/li\u003e\n\u003cli\u003eHeavy-duty splined motor drive for reliable power transmission under load\u003c\/li\u003e\n\u003cli\u003eInternal coolant tank built into casting base for use with coolant system (coolant pump not included)\u003c\/li\u003e\n\u003cli\u003eLarge diameter quill is chromed for smooth, durable travel and extended service life\u003c\/li\u003e\n\u003cli\u003eOne-shot lubrication system simplifies routine maintenance and protects critical wear surfaces\u003c\/li\u003e\n\u003cli\u003ePrecision hardened and ground ways and table for consistent accuracy and long-term stability\u003c\/li\u003e\n\u003cli\u003eSpindle head is internally cooled to maintain operating temperature 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 controlled depth management\u003c\/li\u003e\n\u003cli\u003e3-Axis Newall DP700 Digital Readout (DRO) on the knee for real-time position monitoring\u003c\/li\u003e\n\u003cli\u003eX, Y, and Z-axis powerfeeds for reduced operator fatigue and consistent feed rates\u003c\/li\u003e\n\u003cli\u003ePneumatic power draw bar for fast, efficient tool changes\u003c\/li\u003e\n\u003cli\u003eVariable speed R-8 spindle configuration offering a range of 60�4,200 RPM\u003c\/li\u003e\n\u003cli\u003eAvailable in 3HP, 230\/460V, 3-phase power configuration\u003c\/li\u003e\n\u003cli\u003eTolerance test sheet included for verified out-of-box accuracy confirmation\u003c\/li\u003e\n\u003cli\u003eBacked by JET's 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\u003eMPN:\u003c\/strong\u003e JT9-690094\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStock Number:\u003c\/strong\u003e 690094\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\u003eNumber of Axis:\u003c\/strong\u003e 3 (Knee)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePowerfeed:\u003c\/strong\u003e X, Y and Z-Axis\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Draw Bar:\u003c\/strong\u003e Pneumatic\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\u003eCountry of Origin:\u003c\/strong\u003e Taiwan\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProp 65:\u003c\/strong\u003e Cancer and Reproductive Harm\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 Knee Mill\u003c\/li\u003e\n\u003cli\u003eNewall DP700 3-Axis Digital Readout (DRO)  -  Knee configuration\u003c\/li\u003e\n\u003cli\u003eX, Y, and Z-Axis Powerfeeds\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 is the spindle speed range on the JET JTM-4VS, and how are speeds changed?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThe JTM-4VS offers a variable spindle speed range of 60 to 4,200 RPM. The variable speed drive allows the operator to dial in the optimal cutting speed for a wide variety of materials and tooling without changing belt positions, making speed adjustments fast and convenient during production work.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat spindle taper does the 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 knee mill tooling. It accepts collets ranging from 1\/8 inch to 7\/8 inch, providing broad compatibility with standard end mills, drill chucks, boring heads, and other R-8 tooling.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eDoes the JTM-4VS include a coolant system?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThe machine features an internal coolant tank built into the casting base, designed for use with a coolant system. However, the coolant pump is not included and would need to be sourced separately to take full advantage of the integrated coolant tank.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat are the powerfeed axis configurations and how does the DRO enhance operation?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThis mill includes powerfeeds on the X, Y, and Z-axes, reducing operator fatigue during long production runs and promoting consistent feed rates. The Newall DP700 3-Axis DRO mounted on the knee provides real-time digital position readout, allowing the operator to achieve precise positioning quickly and accurately without manual calculation from handwheel dials.\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003c\/div\u003e","brand":"JET","offers":[{"title":"Default Title","offer_id":40249069076641,"sku":"JT9-690094","price":25046.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/products\/690094_main_d074f0f4-d57c-4dc8-80e5-fad13c9df538.png?v=1624988772","url":"https:\/\/factorydirectsupply.com\/products\/jet-690094","provider":"FactoryDirectSupply.com","version":"1.0","type":"link"}