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Jet BDB-1340A Metalworking Lathe
- $5,413.00
- Brands JET
- Product Code: 323130
- Availability: In Stock
JET BDB-1340A Metalworking Lathe Product Overview The JET BDB-1340A Metalworking Lathe is a versatile bench-style metalworking machine designed for turning, facing, threading, boring, drilling, and other precision machining operations. With a 13-inch swing over the bed and 40-inch distance between centers, it provides substantially more working capacity than compact bench-top lathes. Powered by..
Features and Benefits of Jet BDB-1340A Metalworking Lathe
JET BDB-1340A Metalworking Lathe
Product Overview
The JET BDB-1340A Metalworking Lathe is a versatile bench-style metalworking machine designed for turning, facing, threading, boring, drilling, and other precision machining operations. With a 13-inch swing over the bed and 40-inch distance between centers, it provides substantially more working capacity than compact bench-top lathes.
Powered by a 2 HP single-phase motor, the BDB-1340A is designed for professional workshops, maintenance departments, fabrication shops, educational facilities, and experienced machinists who need a capable general-purpose lathe.
Its belt-driven headstock, quick-change gearbox, power feeds, and rigid machine construction make it suitable for both routine repair work and more demanding machining applications.
Key Features
- 13-inch swing over the bed accommodates a wide range of workpieces.
- 40-inch distance between centers provides substantial capacity for long components.
- 2 HP motor delivers strong power for general metalworking.
- 230V, single-phase electrical configuration for compatible shop installations.
- Belt-drive headstock with multiple spindle-speed settings.
- Quick-change gearbox simplifies threading and feed-rate selection.
- Supports inch and metric threading.
- Power longitudinal and cross feeds improve machining consistency.
- Designed for turning, facing, boring, threading, drilling, and other lathe operations.
- Suitable for professional fabrication, maintenance, repair, and educational applications.
Technical Specifications
| Specification | Details |
|---|---|
| Brand | JET |
| Model | BDB-1340A |
| Product Type | Metalworking lathe |
| Swing Over Bed | 13 in. |
| Distance Between Centers | 40 in. |
| Motor Power | 2 HP |
| Electrical | 230V, 1 Phase |
| Drive Type | Belt drive |
| Primary Application | Metal turning and machining |
| Threading | Inch and metric |
| Feed System | Power feed |
| Machine Configuration | Bench / stand-mounted |
| Intended Use | Professional / industrial |
Exact spindle-bore diameter, spindle speeds, taper specifications, feed rates, thread ranges, cross-slide travel, compound travel, overall dimensions, weight, and included accessories can vary by configuration and should be verified against the current JET specification for the exact BDB-1340A stock number.
13-Inch Swing Capacity
The 13-inch swing over the bed gives the BDB-1340A considerably more clearance than smaller benchtop machines.
This capacity makes it suitable for machining a variety of components, including:
- Shafts
- Bushings
- Pins
- Spacers
- Flanges
- Rollers
- Threaded components
- Repair parts
- Custom-machined components
Actual machining capacity depends on the workpiece geometry, chuck, tooling, cutting operation, and required clearances.
40-Inch Distance Between Centers
With a 40-inch distance between centers, the BDB-1340A can accommodate substantially longer workpieces.
This is useful for machining:
- Long shafts
- Rods
- Axles
- Extended bushings
- Machine components
- Long threaded parts
- Fabrication and repair components
Long workpieces should be appropriately supported using the tailstock or other approved support equipment to reduce deflection and improve machining accuracy.
2 HP Motor
The 2 HP motor provides the cutting power required for a broad range of general metalworking operations.
Its 230V single-phase configuration is suitable for workshops equipped with compatible electrical service.
Before installation, verify the machine's electrical requirements and ensure that wiring, circuit protection, disconnects, and grounding comply with JET's specifications and applicable local electrical codes.
Belt-Drive Headstock
The BDB-1340A uses a belt-driven headstock to transfer motor power to the spindle.
The belt-drive system provides a practical arrangement for selecting spindle speeds according to the workpiece diameter, material, tooling, and machining operation.
Lower spindle speeds are generally appropriate for larger workpieces and heavier cuts, while higher speeds may be used for smaller diameters and finishing operations when appropriate.
Quick-Change Gearbox
The quick-change gearbox simplifies the process of selecting feed rates and thread pitches.
This is particularly useful when switching between different machining operations during a job. Rather than manually rebuilding the gear train for every common threading operation, the operator can select the required setting using the machine's designated controls.
The lathe supports both inch and metric threading, providing additional flexibility for repair and fabrication work.
Power Feed
Power feed allows the carriage to travel at a controlled rate along the workpiece during turning operations.
This provides several advantages:
- More consistent surface finishes
- More uniform cutting
- Reduced operator fatigue
- Improved repeatability
- Easier production of longer turned surfaces
Power feed is particularly useful when machining long shafts or producing multiple similar components.
Typical Machining Operations
The BDB-1340A can perform a broad range of conventional lathe operations, including:
Turning
Reduces the diameter of round stock and produces cylindrical surfaces.
Facing
Produces a flat surface perpendicular to the workpiece axis.
Threading
Cuts external or internal threads using the appropriate tooling and machine settings.
Boring
Enlarges or finishes an existing hole.
Grooving
Creates narrow recesses or reliefs in the workpiece.
Parting
Separates a completed component from the remaining stock.
Drilling
Allows compatible drill tooling to be used through the tailstock.
Workholding
Proper workholding is essential for both accuracy and safety.
Depending on the operation, the machine may be used with suitable:
- Three-jaw chucks
- Four-jaw chucks
- Faceplates
- Centers
- Drill chucks
- Steady rests
- Follow rests
Always ensure the workpiece is securely mounted and properly supported. Long or flexible components may require additional support to minimize vibration and deflection.
Professional Applications
The JET BDB-1340A is well suited to:
- Machine shops
- Maintenance departments
- Repair facilities
- Fabrication shops
- Industrial workshops
- Technical schools
- Prototype development
- Small-batch manufacturing
- General machining
Its combination of a 13-inch swing and 40-inch working length makes it particularly useful where smaller bench lathes lack sufficient capacity.
Benefits for Professional Users
Large Working Capacity
The 13-inch swing and 40-inch between-centers capacity provide room for both larger-diameter and longer workpieces.
Powerful 2 HP Drive
Provides substantial motor power for routine and demanding turning operations within the machine's rated capacity.
Versatile Threading
The quick-change gearbox supports a broad range of threading and feed configurations.
Power Feed
Helps produce consistent cuts and surface finishes during longer machining operations.
Single-Phase Electrical System
The 230V, single-phase configuration is practical for workshops equipped with suitable electrical service.
Accuracy and Machining Technique
Machining accuracy depends on proper setup as much as on machine capability.
For consistent results:
- Secure and center the workpiece correctly.
- Select an appropriate cutting tool.
- Set the correct spindle speed.
- Establish a suitable feed rate and depth of cut.
- Use adequate workpiece support.
- Take lighter finishing passes when greater dimensional accuracy is required.
- Measure the workpiece after stopping the spindle.
For long components, reducing tool overhang and supporting the workpiece appropriately can help minimize deflection.
Maintenance
Routine maintenance helps maintain the lathe's performance and accuracy.
Inspect:
- Drive belt
- Spindle and bearings
- Chuck and jaws
- Bedways
- Lead screw
- Feed mechanism
- Tailstock
- Tool post
- Gearbox
- Electrical components
- Lubrication points
Keep the bedways clean and free from metal chips and abrasive debris. Lubricate the machine according to JET's recommended maintenance schedule.
Inspect the drive belt periodically for wear, cracking, or loss of tension.
Safety Considerations
Metalworking lathes contain rotating components and cutting tools that can cause serious injury.
Always wear appropriate eye protection and keep loose clothing, jewelry, long hair, and other objects away from rotating components. Avoid gloves around rotating workpieces because they can become entangled.
Before starting the machine:
- Confirm that the workpiece is securely mounted.
- Remove the chuck key.
- Check tool clearance.
- Verify the selected spindle speed.
- Ensure guards are correctly positioned.
- Confirm that no tools or objects remain on the machine.
Never measure a rotating workpiece or attempt to remove chips by hand. Stop the spindle before making adjustments or removing material.
Disconnect the machine from its electrical supply before performing maintenance or accessing internal components.
Why Choose the JET BDB-1340A?
The JET BDB-1340A Metalworking Lathe combines 13-inch swing capacity, 40-inch between-centers capability, a powerful 2 HP motor, belt-driven spindle, power feed, and quick-change threading controls in a versatile machining platform.
It is an excellent fit for professional machine shops, maintenance departments, fabrication businesses, repair facilities, and experienced machinists who need more capacity than a compact bench-top lathe can provide while retaining the flexibility required for general-purpose metalworking.