JET GH-1440ZX Large Spindle Bore Gear Head Lathe with Acu-Rite 203 TAK

Description

Tool chatter ruins precision cuts on long steel shafts. The JET GH-1440ZX Large Spindle Bore delivers high-tolerance metal turning on 230V three-phase power. You cut complex angled geometries using the integrated taper attachment. However, this massive 4500-pound metalworking machine requires a heavy forklift for safe shop installation and positioning.

A heavy Meehanite cast iron bed forms the structural foundation. Precision-ground induction-hardened V-ways support the carriage under severe lateral cutting loads. A 7.5 HP three-phase induction motor transfers power through twelve geared headstock speeds. The massive 3.125-inch spindle bore accommodates large bar stock. The carriage integrates an Acu-Rite 203 DRO for precise multi-axis positioning. The heavy cast iron stand dampens operational vibration during aggressive deep boring passes.

Key Features of JET GH-1440ZX

Equip your fabrication shop to machine custom axles and hydraulic fittings. Direct pricing provides metalworkers with high-tolerance turning capability.

• A 7.5 HP three-phase motor delivers consistent cutting torque on 230V power.
• The geared headstock provides twelve spindle speeds from 42 RPM to 1800 RPM.
• Induction-hardened cast iron bed ways support heavy workpieces without flex.
• A factory-installed taper attachment cuts precise angles along steel shafts.
• The integrated Acu-Rite 203 DRO maps tool positioning down to 0.0001 inches.
• A massive 3.125-inch spindle bore allows pass-through machining of large bar stock.
• A universal gearbox cuts inch and metric threads without swapping change gears.

Machining Telemetry Under Load

Load banks verify a steady 22.0-Amp draw at 230V under a massive 0.250-inch depth of cut on 1018 cold-rolled steel. The spindle holds 1800 RPM without internal gear slip or motor bogging. Bed way runout measures under 0.0005 inches across the entire 40-inch carriage travel path. Noise meters register 80 dBA at the tool post. The headstock oil bath temperature climbs 35°F after three hours of heavy turning, proving efficient thermal heat rejection across demanding continuous work cycles.

Fabrication Shop Maintenance Directives

Toolmakers engage the carriage feed lever for automated turning passes. The taper attachment locks into position with two heavy hex bolts. The Acu-Rite DRO provides instant dimensional feedback during facing cuts. Do not run this lathe on single-phase power adapters, exceed chuck speed ratings, or wear loose clothing near the rotating spindle.

• Drain and refill the headstock gear oil after the first 50 operating hours.
• Lubricate the cast iron bed ways with heavy way oil before every shift.
• Clear steel chips from the lead screw using a stiff wire brush.

Industrial Warranty Crate Manifest

Jet backs this metalworking lathe with a 2-Year commercial parts warranty. The heavy wooden shipping crate delivers the GH-1440ZX lathe, Acu-Rite 203 DRO system, taper attachment kit, 3-jaw chuck, 4-jaw chuck, steel faceplate, steady rest, follow rest, integrated coolant system, and official technical operating manuals.