JET GH-1660ZX Large Spindle Bore Gear Head Lathe with Taper Attachment Kit

Description

Machine long steel cylinders and shafts with a massive 3-1/8 inch spindle bore and precision taper turning. The JET GH-1660ZX Large Spindle Bore Gear Head Lathe features a taper attachment on 230V power. You turn long workpieces with extreme rigidity. However, this massive 5500-pound industrial lathe requires heavy crane rigging and a dedicated three-phase electrical circuit.

JET constructs this heavy-duty lathe using a massive Meehanite cast iron bed with induction-hardened V-ways. A commercial 7.5 HP three-phase induction motor drives the geared headstock through twelve spindle speeds ranging from 25 to 1800 RPM. The 3-1/8 inch spindle bore allows pass-through machining of large pipe and bar stock. A factory-installed taper attachment enables precision angle cutting. The monolithic cast iron base dampens operational vibration during heavy stock removal.

Key Features of JET GH-1660ZX

Install this heavy-duty industrial lathe to machine long steel shafts, cut precision threads, and bore heavy hydraulic cylinders. Wholesale pricing ensures professional machine shops receive vibration-free turning accuracy on massive workpieces.

• A commercial 7.5 HP three-phase motor delivers immense turning torque on 230V power.
• The geared headstock provides twelve spindle speeds from 25 RPM to 1800 RPM.
• Induction-hardened cast iron bed ways support 60-inch steel workpieces without deflection.
• A massive 3-1/8 inch spindle bore allows pass-through machining of large bar stock.
• A factory-installed taper attachment allows precise machining of angled shafts.
• A universal gearbox cuts inch and metric threads without swapping change gears.
• The monolithic cast iron base dampens harmonic vibration during heavy metal removal.

Dynamometer Bench Testing Load Telemetry

Bench testing confirms continuous motor current draw of 22.0-Amps at 230V three-phase power under maximum 0.250-inch depth of cut across 4140 chromoly steel. The geared headstock holds spindle speed firm without motor bogging or gear slippage under extreme load. The induction-hardened V-ways maintain carriage alignment within 0.0005 inches across the entire 60-inch bed length. Sound profile meters measure 82 dBA during active cutting. Headstock oil bath temperatures increase 35°F after three continuous hours of heavy turning.

Field Operation Usability Maintenance Directives

Machinists mount heavy workpieces using overhead cranes and select spindle speeds via the headstock levers. The quick-change gearbox allows instant thread pitch selection. Do not operate this industrial lathe without proper eye protection, exceed the maximum chuck RPM ratings, or leave the chuck key inserted during startup.

• Change the headstock gear oil after the first 50 operating hours.
• Apply way oil to the cast iron bed ways before each work shift.
• Inspect the carriage lead screw for metal chip buildup every 30 days.

Commercial Warranty Terms Crate Manifest

JET backs this industrial lathe with a 2-Year commercial parts and labor warranty. The heavy-duty shipping crate delivers the complete GH-1660ZX lathe, taper attachment, 3-jaw chuck, 4-jaw chuck, faceplate, steady rest, follow rest, coolant system, and official manufacturer user instruction manuals.