The JET GH-1640ZX Large Spindle Bore Lathe with Collet Closer from JET delivers power, precision, efficiency, and reliability for demanding metal shop applications. Built on a one-piece cast iron base that absorbs vibrations during operation to allow heavier cuts and ensure accuracy, the GH-1640ZX features a Universal Gearbox that eliminates the need to change gears. With a generous 3-1/8 in. spindle bore, 12 spindle speeds ranging from 25-1,800 RPM, and a robust 7-1/2 HP motor, this geared head lathe is engineered for serious production work and is backed by the industry-leading JET Two Year Warranty. Key Features Articulating LED work lamp provides targeted, adjustable illumination at the cutting zone Centrally located controls with jog button keep all critical functions within easy reach of the operator Electronic Chuck Key Holder enhances safety by ensuring the chuck key is always secured when not in use Five position automatic carriage stop increases productivity by enabling repeatable, precise carriage positioning Full length splash guard and coolant return system contain chips and coolant for a cleaner, safer work environment Large capacity steady rest with ball bearing tips supports long workpieces with reduced friction and improved accuracy Large easy-to-use foot brake allows quick, hands-free spindle stopping for improved operator safety Mounting pads and levelers ensure a stable, vibration-minimized installation on the shop floor Removable gap allows large diameter work to be machined without obstruction One-piece cast iron base absorbs vibrations during operation to allow heavier cuts and ensure accuracy Universal Gearbox eliminates the need to change gears, simplifying thread and feed selection Tool box and adjusting tools included for convenient, on-machine storage of essential accessories Specifications Stock Number: 321439 Size: 16 x 40 Drive: Geared Head Motor: 7-1/2 HP, 230/460, 3 Ph Number of Spindle Speeds: 12 Range of Spindle Speeds (RPM): 25-1,800 Spindle Bore (In.): 3-1/8 Spindle Mount: D1-8 Spindle Taper with Sleeve: MT-7 (MT-5) Carriage Travel (In.): 35 Cross Slide Travel (In.): 9 Compound Slide Travel (In.): 5-1/8 Max Tool Size (In.): 1 x 1 Length of Gap (In.): 12-1/4 Number of Inch Threads: 61 Range of Inch Threads (TPI): 1-5/8-72 Number of Metric Threads: 24 Range of Metric Threads: .05-20 Number of Longitudinal and Cross Feed Rates: 46/31 Range of Longitudinal Feeds (IPR): .0015-.0900 Range of Cross Feeds (IPR): .0006-.0360 Overall Dimensions (L x W x H) (In.): 96 x 44 x 66 Country of Origin: China Prop 65: Cancer and Reproductive Harm What's Included Tool box and adjusting tools Mounting pads and levelers Large capacity steady rest with ball bearing tips Collet Closer Frequently Asked Questions What is the spindle bore diameter on the GH-1640ZX? The GH-1640ZX features a large 3-1/8 in. spindle bore, making it well-suited for bar work and applications requiring the passage of larger diameter stock through the headstock. How many spindle speeds are available, and what is the range? The lathe offers 12 spindle speeds with a range of 25-1,800 RPM, providing the flexibility to handle a wide variety of materials and cutting operations from slow, heavy roughing cuts to faster finishing passes. Does the GH-1640ZX support both inch and metric threading? Yes. The lathe is capable of cutting 61 inch thread pitches ranging from 1-5/8-72 TPI and 24 metric thread pitches ranging from .05-20, with 46/31 longitudinal and cross feed rates available through the Universal Gearbox - no gear changes required. What power supply is required to run this lathe? The GH-1640ZX is powered by a 7-1/2 HP motor rated for 230/460 volt, 3-phase electrical service. Verify that your facility has the appropriate 3-phase power supply available before installation.
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