Description
The JET GH-1440ZX Lathe ACU-RITE 300S DRO & Taper Attachment (321303) is a high-performance metalworking lathe designed for professional machinists, hobbyists, and workshops that demand precision and power. It features a large 14″ swing capacity and a robust 3-1/8″ bore spindle, supported by dual tapered bearings and a ball bearing for superior rigidity and stability during heavy cuts. This lathe is engineered for durability with a one-piece cast iron base that absorbs vibrations, ensuring accurate results even under demanding conditions.
KEY FEATURES AND BENEFITS:
- Large Spindle Bore: 3-1/8″ bore accommodates large diameter materials.
- Universal Gearbox: Easily switch between thread types (inch, metric, diametral, and module pitch) without manual gear changes.
- Durable Construction: One-piece cast iron base minimizes vibration and enhances precision.
- High Capacity: 14″ swing diameter and 23-5/8″ swing through gap for turning large workpieces.
- Precision Machining: High-quality ANSI Class 50 wear-resistant cast iron bed ways are hardened and ground for long-lasting accuracy.
- Efficient Operation: Features a one-shot lubrication system and Turcite-B coated bed ways for smooth operation.
- Increased Productivity: Five-position automatic carriage stop allows for quick and repetitive machining.
- User-Friendly Design: Chrome control levers, dials, and knobs for intuitive operation.
- Comprehensive Accessories: Includes various chucks, face plate, tool post, and more for versatile use.
SPECIFICATIONS:
- Model: JET GH-1440ZX (321303)
- Motor Power: 7.5 HP, 3-phase, 230/460V
- Spindle Bore: 3-1/8″
- Swing Over Bed: 14″
- Swing Over Cross Slide: 7-5/8″
- Swing Through Gap: 23-5/8″
- Distance Between Centers: 40″
- Spindle Speeds: 12 speeds ranging from 42 to 1800 RPM
- Bed Width: 12-1/2″
- Weight: Approximately 3,150 lbs
- Dimensions: 73” x 32” x 48”
HOW TO USE:
- Set Up the Lathe: Ensure the lathe is securely mounted on a flat surface and connected to a power supply.
- Install the Workpiece: Secure your workpiece using the appropriate chuck or face plate.
- Adjust the Speed: Select the desired spindle speed based on the material and type of cut.
- Tool Setup: Install the cutting tool in the four-way tool post and adjust it to the correct height and position.
- Start the Lathe: Engage the spindle by selecting the forward or reverse direction on the control panel.
- Begin Machining: Use the carriage handwheel to move the cutting tool into position and start making cuts. Adjust feed rates as needed.
- Monitor Progress: Continuously check the Digital Readout (DRO) to ensure precision and make adjustments as necessary.
- Stop the Lathe: Once the operation is complete, stop the spindle and power down the lathe.
- Cleanup: Remove the workpiece and clean the lathe, including the bed ways and tooling, to maintain optimal performance.
BENEFITS OF USING THE JET GH-1440ZX LATHE ACU-RITE 300S DRO & TAPER ATTACHMENT:
- Enhanced Precision: The ACU-RITE 300S DRO ensures accurate positioning and consistent machining results.
- Time-Saving Features: The universal gearbox and automatic carriage stops reduce setup time and increase productivity.
- Versatile Machining: Capable of handling a wide range of threading and turning tasks, from simple to complex projects.
- Long-Lasting Durability: Built with high-quality materials that ensure reliable performance over time.
- Improved Safety: Equipped with features like a large foot brake and emergency stop button for safe operation.
FEATURES:
- High Swing Capacity: The 14″ swing diameter is ideal for turning larger workpieces.
- Spindle Bore Flexibility: The 3-1/8″ spindle bore accommodates various material sizes.
- Seamless Threading: The universal gearbox allows for easy switching between different thread types.
- Robust Build: The one-piece cast iron base provides stability and minimizes vibrations.
- Integrated Coolant System: Keeps tools and workpieces cool, extending their lifespan and ensuring smooth operation.
- Quick Tool Changes: The four-way tool post allows for fast and efficient tool setup and changes.





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