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Jet Geared Head Mill Drill with Power Downfeed DP700
- $3,804.00
- Brands JET
- Product Code: 351152
- Availability: In Stock
JET Geared Head Square Column Mill/Drill with Power Downfeed and DP700 2-Axis DRO Product Overview The JET Geared Head Square Column Mill/Drill with Power Downfeed and DP700 2-Axis DRO is a heavy-duty machine designed for shops that need both drilling and milling capability in a single platform. Its geared-head drive, rigid square-column construction, powered spindle downfeed, and Newall DP700 2..
Features of Jet Geared Head Mill Drill with DP700 2-Axis DRO
JET Geared Head Square Column Mill/Drill with Power Downfeed and DP700 2-Axis DRO
Product Overview
The JET Geared Head Square Column Mill/Drill with Power Downfeed and DP700 2-Axis DRO is a heavy-duty machine designed for shops that need both drilling and milling capability in a single platform. Its geared-head drive, rigid square-column construction, powered spindle downfeed, and Newall DP700 2-axis digital readout provide a combination of cutting power and positioning control for professional metalworking.
This configuration is well suited to machine shops, fabrication facilities, maintenance departments, and general machining applications where accurate hole placement, repeatable table positioning, and controlled drilling are important.
Key Features
- Heavy-duty square-column mill/drill design
- 1-1/2-inch drilling capacity
- 1.5 HP motor
- 115/230V single-phase electrical configuration
- Six-speed geared-head transmission
- 65–1,550 RPM spindle-speed range
- Newall DP700 2-axis digital readout
- Power downfeed
- R8 spindle taper
- 5-inch spindle travel
- Head tilts 90° left and right
- Dovetail ways for rigid head positioning
- Calibrated fine downfeed
- Internal depth gauge
- Work light and spindle guard
- Large milling table for general-purpose machining
Technical Specifications
| Specification | Details |
|---|---|
| Brand | JET |
| Machine Type | Geared-Head Square Column Mill/Drill |
| Drilling Capacity | 1-1/2 in. |
| Face Mill Capacity | 4 in. |
| End Mill Capacity | 3/4 in. |
| Motor Power | 1.5 HP |
| Electrical | 115/230V, 1 Phase |
| Spindle Taper | R8 |
| Spindle Travel | 5 in. |
| Spindle Speeds | 6 |
| Speed Range | 65–1,550 RPM |
| Head Tilt | 90° Left / 90° Right |
| Table Size | 9-1/2 x 32-1/4 in. |
| X-Axis Travel | 20-1/2 in. |
| Y-Axis Travel | 8-1/4 in. |
| Spindle-to-Table Distance | 18-1/8 in. |
| T-Slots | 4, 5/8 in. |
| Downfeed | Power Downfeed |
| Digital Readout | Newall DP700, 2-Axis |
| Column | 7-7/8 x 7-5/8 in. Square |
| Approx. Weight | 820 lb. |
| Primary Application | Metalworking |
Specifications should be verified against the exact JET model/stock number before installation, as configurations and production specifications may change.
1-1/2-Inch Drilling Capacity
The machine provides a 1-1/2-inch drilling capacity, giving it the ability to handle substantial drilling jobs in steel and other suitable materials.
In addition to drilling, the machine is rated for a 4-inch face mill and 3/4-inch end mill, making it useful for a variety of milling operations.
Actual cutting capacity depends on the workpiece material, tooling, spindle speed, feed rate, and cutting conditions.
Geared-Head Transmission
The geared-head design provides mechanical power transmission directly to the spindle. This arrangement is well suited to demanding metalworking applications where consistent spindle power is important.
The machine offers six spindle speeds from 65 to 1,550 RPM, allowing operators to select an appropriate speed for different materials, cutter diameters, and machining operations.
Power Downfeed
The integrated power downfeed provides controlled spindle movement during drilling operations.
Compared with manually feeding the quill throughout a drilling cycle, power downfeed can help:
- Reduce operator fatigue
- Maintain a more consistent feed
- Improve repeatability
- Simplify repetitive drilling
- Provide controlled movement with larger tooling
The machine also incorporates a calibrated fine downfeed and internal depth gauge for additional drilling control.
Newall DP700 2-Axis DRO
The Newall DP700 2-axis digital readout provides electronic position information for the machine's two primary table axes.
The DRO can make machining setups easier by helping operators:
- Monitor table position
- Locate hole centers
- Set machining dimensions
- Repeat positions
- Reduce dependence on manual scale readings
- Improve setup efficiency
For precision work, the DRO should be used as a positioning aid alongside proper workholding, tooling, machine setup, and measurement practices.
R8 Spindle
The R8 spindle taper is widely used in milling applications and supports a broad range of compatible tooling.
The spindle configuration makes the machine suitable for operations including:
- End milling
- Face milling
- Slotting
- Drilling
- Counterboring
- Reaming
- General-purpose milling
Always use tooling that is appropriate for the spindle, material, cutter size, and machine's rated capacity.
Square Column Construction
The square column measures approximately 7-7/8 x 7-5/8 inches and uses dovetail ways to provide a rigid mounting structure.
A rigid column helps maintain stability during cutting, particularly when milling forces increase. Proper machine leveling and secure workholding remain essential for maintaining accuracy.
Tilting Head
The mill/drill head can tilt 90° to either side, providing additional flexibility for angled machining operations.
This feature allows the operator to orient the spindle for selected angled drilling and milling applications without having to reposition the entire workpiece.
Milling Table
The machine features a 9-1/2 x 32-1/4-inch work table with approximately:
- 20-1/2 inches of X-axis travel
- 8-1/4 inches of Y-axis travel
The table provides useful working space for general-purpose milling and drilling setups.
The four 5/8-inch T-slots allow compatible workholding accessories to be secured to the table.
Typical Applications
The JET mill/drill is suitable for:
- Machine shops
- Metal fabrication
- Equipment maintenance
- Industrial repair
- Manufacturing
- Job-shop machining
- Prototype work
- Custom part production
- General metalworking
- Precision drilling
Common Machining Operations
Drilling
Create holes in metal components using appropriate drills and cutting parameters.
Face Milling
Produce broad, flat surfaces using a compatible face mill.
End Milling
Machine slots, pockets, shoulders, and other features using suitable end mills.
Reaming and Counterboring
Perform secondary hole-finishing operations when accurate hole dimensions or specific seating features are required.
Slotting
Create straight slots and grooves in suitable workpieces.
Angled Machining
Use the tilting head for selected angled drilling and milling applications.
Benefits for Professional Users
Power Downfeed
Provides controlled spindle movement for repetitive and larger drilling operations.
DP700 2-Axis DRO
Makes positioning and setup easier by providing digital feedback for two machine axes.
1-1/2-Inch Drilling Capacity
Provides substantial drilling capability for professional metalworking.
Six-Speed Geared Head
Offers a broad 65–1,550 RPM operating range for different cutting requirements.
R8 Spindle
Accepts a wide selection of commonly available milling tooling.
Rigid Square Column
Provides a stable structure for milling and drilling operations.
Tilting Head
Adds flexibility for angled machining without requiring specialized fixtures for every application.
Maintenance
Regular maintenance helps preserve the machine's accuracy and operating life.
- Keep the table, column, and ways clean.
- Remove chips after each machining session.
- Lubricate specified machine components according to JET's recommendations.
- Check the geared-head lubrication periodically.
- Inspect spindle and tooling interfaces for wear or contamination.
- Check power-downfeed operation regularly.
- Keep the DP700 display and scale components clean and protected from chips and coolant.
- Inspect electrical components and switches periodically.
- Verify that mounting hardware remains secure.
- Keep the machine properly leveled.
- Disconnect electrical power before performing maintenance or service.
Safety Considerations
Always wear appropriate eye protection, hearing protection, safety footwear, and task-specific PPE during operation.
Secure the workpiece firmly with a suitable vise, clamp, or fixture. Never hold a workpiece by hand while drilling or milling.
Make sure cutting tools are correctly installed and securely tightened. Remove setup tools before starting the spindle.
Keep hands, clothing, jewelry, and hair away from rotating tooling and moving machine components.
Select spindle speed and feed rate according to the material, tooling, and operation. Do not exceed the rated capacity of the machine or cutting tools.
Stop the spindle completely before measuring, changing tooling, clearing chips, or adjusting the workpiece.
The machine's 115/230V single-phase electrical system should be installed and serviced by appropriately qualified personnel in accordance with applicable electrical requirements.
Why Choose This JET Mill/Drill?
The JET Geared Head Square Column Mill/Drill with Power Downfeed and DP700 2-Axis DRO combines substantial drilling and milling capacity with features designed to make professional machining more controlled and efficient.
Its 1-1/2-inch drilling capacity, R8 spindle, six-speed geared head, power downfeed, tilting head, rigid square column, and Newall DP700 2-axis DRO make it a versatile choice for shops performing everything from routine drilling to general-purpose milling, fabrication, repair, and custom machining.