{"product_id":"jet-690251","title":"JET JTM-4VS Mill w\/3-Axis ACU-RITE 203 DRO (Quill) w\/X-Axis Powerfeed \u0026 Power Draw Bar","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eJET JTM-4VS Mill with 3-Axis ACU-RITE 203 DRO (Quill), X-Axis Powerfeed, and Power Draw Bar\u003c\/strong\u003e is a precision vertical milling machine engineered by JET for demanding metalworking and machining operations. Built on a Certified Meehanite casting process, this variable speed mill delivers consistent, reliable cutting performance with a 3 HP motor and a broad spindle speed range of 60�4,200 RPM. The inclusion of an ACU-RITE 203 3-Axis DRO, X-Axis powerfeed, and pneumatic power draw bar makes this machine a highly capable and efficient solution for production and job shop environments alike.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAdjustable gibs throughout for precise fit and long-term accuracy\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 the casting base for use with a coolant system (coolant pump not included)\u003c\/li\u003e\n\u003cli\u003eLarge diameter quill is chromed for smooth, durable operation\u003c\/li\u003e\n\u003cli\u003eOne-shot lubrication system for quick and consistent lubrication of critical components\u003c\/li\u003e\n\u003cli\u003ePrecision hardened and ground ways and table for superior surface accuracy and longevity\u003c\/li\u003e\n\u003cli\u003eSpindle head is internally cooled to maintain consistent operating temperatures\u003c\/li\u003e\n\u003cli\u003eTolerance test sheet included for verified out-of-box accuracy\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 repeatable depth control\u003c\/li\u003e\n\u003cli\u003e3-Axis ACU-RITE 203 DRO (Quill) for precise positional readout across all three axes\u003c\/li\u003e\n\u003cli\u003eX-Axis powerfeed for smooth, consistent longitudinal table movement\u003c\/li\u003e\n\u003cli\u003ePneumatic power draw bar for fast and easy tool changes\u003c\/li\u003e\n\u003cli\u003eVariable speed operation from 60 to 4,200 RPM to suit a wide range of materials and tooling\u003c\/li\u003e\n\u003cli\u003eAvailable in single or three phase power configurations\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 JT9-690251\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStock Number:\u003c\/strong\u003e 690251\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\u003eNumber of Axis:\u003c\/strong\u003e 3 (Quill)\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\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\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\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat spindle taper does the JET JTM-4VS use?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThe JET JTM-4VS uses an R-8 spindle taper, which is one of the most common tapers for vertical knee mills and is compatible with a wide variety of tooling, collets, and accessories. The collet capacity ranges from 1\/8 to 7\/8 inch.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eDoes this mill include a coolant pump?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThe JTM-4VS features an internal coolant tank built directly into the casting base for use with a coolant system; however, the coolant pump is not included and must be sourced separately.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat type of digital readout is included with this machine?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThis mill comes equipped with a 3-Axis ACU-RITE 203 DRO (Quill), which provides precise positional readout across all three axes to support accurate and repeatable machining operations.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eHow does the power draw bar work on the JTM-4VS?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThe power draw bar on this machine is pneumatic, meaning it uses compressed air to quickly tighten and release tooling in the R-8 spindle taper, significantly reducing tool change time compared to a manual draw bar.\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003c\/div\u003e","brand":"JET","offers":[{"title":"Default Title","offer_id":40249079234721,"sku":"JT9-690251","price":22105.71,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/products\/690251_main_94550fe6-2c44-46ab-980b-dfa13525e6d0.png?v=1624988797","url":"https:\/\/factorydirectsupply.com\/products\/jet-690251","provider":"FactoryDirectSupply.com","version":"1.0","type":"link"}