The JET GH-1640ZX Large Spindle Bore Lathe with Taper Attachment is a ZX-Series geared head lathe engineered to deliver power, precision, efficiency, and reliability for demanding metal shop applications. Built on a one-piece cast iron base that absorbs vibrations during operation, this lathe enables heavier cuts while maintaining exceptional accuracy. A Universal Gearbox eliminates the need to change gears manually, streamlining setup and maximizing uptime. Backed by the industry-leading JET Two Year Warranty, this machine is a dependable centerpiece for any professional machining environment. Key Features Articulating LED work lamp provides targeted, adjustable illumination at the cutting area Centrally located controls with jog button for convenient, ergonomic operation Electronic Chuck Key Holder keeps the chuck key safely accessible and prevents accidental engagement Five position automatic carriage stop increases productivity by enabling repeatable, precise stops Full length splash guard and coolant return system helps contain coolant and maintain a cleaner work area Large capacity steady rest with ball bearing tips supports long or heavy workpieces with minimal friction Large easy to use foot brake allows fast, safe spindle stopping without removing hands from the work Mounting pads and levelers for stable, accurate machine installation on the shop floor Removable gap allows large diameter work to be machined without obstruction Tool box and adjusting tools included for setup and maintenance convenience One-piece cast iron base absorbs vibrations for heavier cuts and greater accuracy Universal Gearbox eliminates the need to change gears, reducing setup time Specifications Stock Number: 321474 Size: 16 x 40 Drive: Geared Head Motor: 7-1/2 HP, 230/460, 3 Ph Spindle Bore: 3-1/8 in. Spindle Mount: D1-8 Spindle Taper with Sleeve: MT-7 (MT-5) Number of Spindle Speeds: 12 Range of Spindle Speeds: 25-1,800 RPM Carriage Travel: 35 in. Cross Slide Travel: 9 in. Compound Slide Travel: 5-1/8 in. Length of Gap: 12-1/4 in. Max Tool Size: 1 x 1 in. Number of Inch Threads: 61 Range of Inch Threads: 1-5/8-72 TPI Number of Metric Threads: 24 Range of Metric Threads: .05-20 Number of Longitudinal and Cross Feed Rates: 46/31 Range of Longitudinal Feeds: .0015-.0900 IPR Range of Cross Feeds: .0006-.0360 IPR Overall Dimensions (L x W x H): 96 x 44 x 66 in. Country of Origin: China Prop 65: Cancer and Reproductive Harm What's Included Tool box and adjusting tools Large capacity steady rest with ball bearing tips Mounting pads and levelers Frequently Asked Questions What is the spindle bore diameter on the GH-1640ZX? The spindle bore measures 3-1/8 in., making it well suited for machining larger diameter bar stock that would not pass through a standard smaller-bore lathe. What is the spindle speed range and how many speeds are available? The GH-1640ZX offers 12 spindle speeds ranging from 25-1,800 RPM, giving machinists broad flexibility for working with a wide variety of materials and cutting operations. Does this lathe support both inch and metric threading? Yes. The lathe supports 61 inch thread pitches ranging from 1-5/8-72 TPI as well as 24 metric thread pitches ranging from .05-20, making it highly versatile for both inch and metric work. What power supply is required to operate the GH-1640ZX? The GH-1640ZX is powered by a 7-1/2 HP motor and requires 230/460V, 3-phase electrical service for operation.
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