JET JTM-1 Mill with X and Y-Axis Powerfeeds is a precision vertical knee mill engineered by JET for demanding metalworking operations that require accuracy, power, and long-term reliability. Featuring Certified Meehanite castings for rugged stability, Class 7 spindle bearings for high precision, and X and Y-axis powerfeeds for consistent, controlled table movement, this mill delivers professional-grade performance backed by the industry-leading JET Two Year Warranty. Key Features Heavy duty splined motor drive for reliable, high-torque power transmission Internal coolant tank built into base for use with coolant system (coolant pump not included) Large diameter quill is chromed for durability and smooth operation One shot lubrication system for fast, thorough way lubrication Precision bored and honed milling head ensures accurate spindle alignment Precision hardened and ground ways for smooth, accurate table travel Satin chrome finished dials for easy, clear readability Tolerance test sheet included for immediate verification of machine accuracy Three-stage power down feed with automatic stop for repeatable quill depth control Internally cooled spindle head prevents seizing during extended operations Certified Meehanite castings provide exceptional rigidity and vibration dampening High precision Class 7 spindle bearings for superior surface finish results 16 spindle speeds ranging from 80-5,440 RPM to accommodate a wide range of materials and tooling X and Y-axis powerfeeds for consistent, operator-friendly table movement Specifications MPN: JT9-690097 Country of Origin: Taiwan Style (Type): Step Pulley R8 Motor: 2 HP, 230V, 3Ph Number of Spindle Speeds: 16 Range of Spindle Speeds (RPM): 80-5,440 Spindle Taper: R-8 Spindle Travel (In.): 5 Quill Diameter (In.): 3-3/8 Quill Down Feed Rates (IPR): .0015-.003-.006 Collet Capacity: 1/8-7/8 Table Size (L x W) (In.): 9 x 42 Table Longitudinal Travel (In.): 23-7/8 Table Longitudinal Travel With Powerfeed (In.): 20-2/7 Table Cross Travel (In.): 12-1/2 T-Slot Centers (In.): 2-1/2 Distance Spindle to Column (Max.) (In.): 19 Max Distance Spindle to Table (In.): 17-1/2 Powerfeed: X and Y-Axis Overall Dimensions (L x W x H) (In.): 57 x 64 x 82 Prop 65: Cancer and Reproductive Harm What's Included Tolerance test sheet for machine accuracy verification Frequently Asked Questions What spindle taper does the JTM-1 use, and what collet sizes are compatible? The JTM-1 uses an R-8 spindle taper, which is one of the most widely used tapers in manual vertical mills. It accepts collets ranging from 1/8 to 7/8 inch, giving you broad compatibility with standard end mills, drill chucks, and toolholders. Does the JTM-1 include a coolant pump with the internal coolant tank? The mill features an internal coolant tank built directly into the base for use with a coolant system; however, the coolant pump is not included and must be sourced separately. What power supply is required to run the JTM-1? The JTM-1 is powered by a 2 HP motor requiring 230V, 3-phase electrical service. Ensure your shop has the appropriate 3-phase power available before installation. What is the quill travel and what down feed rates are available? The quill provides 5 inches of travel and features a three-stage power down feed with automatic stop. The available quill down feed rates are .0015, .003, and .006 inches per revolution (IPR), allowing precise depth control for drilling and boring operations.
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