{"product_id":"jet-690400","title":"JET JTM-4VS Mill with 3-Axis ACU-RITE 203 (Knee) and Power Draw Bar","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eJET JTM-4VS Mill with 3-Axis ACU-RITE 203 (Knee) and Power Draw Bar\u003c\/strong\u003e is a professional-grade vertical milling machine from JET, engineered for machinists and shops demanding precision, durability, and versatile performance. Built on the certified Meehanite casting process, this variable speed mill delivers consistent, reliable cutting across a broad spindle speed range of 60�4,200 RPM, making it equally capable of heavy material removal and fine finishing work. Precision bored and honed milling heads, combined with a 3-axis ACU-RITE 203 knee powerfeed and pneumatic power draw bar, bring an exceptional level of control and efficiency to every operation.\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 robust, reliable power transmission\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, wear-resistant travel\u003c\/li\u003e\n\u003cli\u003eOne shot lubrication system for simplified, consistent machine maintenance\u003c\/li\u003e\n\u003cli\u003ePrecision hardened and ground ways and table for superior accuracy and surface finish\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 out-of-the-box verification of machine accuracy\u003c\/li\u003e\n\u003cli\u003ePrecision bored and honed milling head ensures quality 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\u003eCertified Meehanite casting process for consistent rigidity and vibration damping\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\u003eStock Number:\u003c\/strong\u003e 690400\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Taiwan\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\u003eNumber of Axis:\u003c\/strong\u003e 3 (Knee)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePowerfeed:\u003c\/strong\u003e 3 (Knee)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Draw Bar:\u003c\/strong\u003e Pneumatic\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\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\u003eTolerance test sheet\u003c\/li\u003e\n\u003cli\u003eACU-RITE 203 3-axis (knee) digital readout\u003c\/li\u003e\n\u003cli\u003ePneumatic power draw bar\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. It accepts collets ranging from 1\/8 inch to 7\/8 inch, offering broad compatibility with standard tooling.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat type of power draw bar is included, and how does it benefit the user?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThis mill comes equipped with a pneumatic power draw bar. A pneumatic draw bar significantly speeds up tool changes compared to manual draw bar operation, reducing downtime and improving workflow efficiency in a production environment.\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 directly into the casting base, making it ready for use with a coolant system. Please note that the coolant pump is not included and would need to be sourced separately.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eHow is the machine's accuracy verified at the time of delivery?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eEach JET JTM-4VS ships with a tolerance test sheet, providing documented proof of the machine's precision as it leaves the factory. This allows operators to confirm the mill meets accuracy specifications right out of the box.\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003c\/div\u003e","brand":"JET","offers":[{"title":"Default Title","offer_id":40249093783713,"sku":"JT9-690400","price":20690.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/products\/690400_main_87d1e0f1-6f97-4cee-8579-c66470fc5cea.png?v=1624988899","url":"https:\/\/factorydirectsupply.com\/products\/jet-690400","provider":"FactoryDirectSupply.com","version":"1.0","type":"link"}