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Jet JMD 40GH Geared Head Mill Drill with Newall DP700
- $3,771.00
- Brands JET
- Product Code: 351140
- Availability: In Stock
JET JMD-40GH Geared Head Mill/Drill with Newall DP700 DROProduct OverviewThe JET JMD-40GH Geared Head Mill/Drill with Newall DP700 DRO is a heavy-duty machine designed to handle both precision drilling and milling operations in metalworking environments. It combines a rigid geared-head design with a versatile R8 spindle, six mechanical spindle speeds, a movable milling table, and a Newall DP700 tw..
Geared Head Mill Drill Machine with Newall DP700 Digital Readout
JET JMD-40GH Geared Head Mill/Drill with Newall DP700 DRO
Product Overview
The JET JMD-40GH Geared Head Mill/Drill with Newall DP700 DRO is a heavy-duty machine designed to handle both precision drilling and milling operations in metalworking environments. It combines a rigid geared-head design with a versatile R8 spindle, six mechanical spindle speeds, a movable milling table, and a Newall DP700 two-axis digital readout for accurate positioning.
Powered by a 1-1/2 HP single-phase motor, the JMD-40GH provides six spindle speeds ranging from 65 to 1,550 RPM. Its capacity includes drilling up to 1-1/4 inches in mild steel, face milling up to 4 inches, and end milling up to 3/4 inch. ([turn0search0]turn0search19)
The integrated Newall DP700 DRO adds digital position feedback to the machine, making it easier to monitor table movement and establish repeatable dimensions during machining operations.
Key Features
Heavy-duty geared-head construction provides direct mechanical power transmission to the spindle.
Newall DP700 2-axis DRO provides digital position information for improved machining accuracy.
1-1/2 HP motor supplies power for drilling and milling applications.
Six spindle speeds cover a range from 65 to 1,550 RPM.
R8 spindle taper accepts a wide selection of standard milling tooling and collets.
1-1/4-inch mild-steel drilling capacity handles substantial drilling applications.
4-inch face-mill capacity supports larger milling cutters.
3/4-inch end-mill capacity accommodates common end-milling operations.
5-inch spindle travel provides useful quill movement for drilling and machining.
Forward/reverse spindle control adds flexibility for different operations.
Tilting mill head allows angled drilling and milling applications.
Built-in calibrated fine downfeed provides additional control over spindle movement.
Internal depth gauge makes drilling depth easier to monitor.
Work lamp improves visibility around the cutting area.
Quick-select gear levers make spindle-speed changes straightforward.
Movable milling table provides longitudinal and cross-table positioning.
Spindle guard adds protection around the rotating tooling area. ([turn0search3]turn0search5)
Geared Head & Spindle Performance
The geared-head transmission provides a mechanical connection between the motor and spindle, allowing the machine to deliver consistent power across its six speed settings. The available speeds are:
65, 130, 220, 480, 925, and 1,550 RPM.
This range gives the operator flexibility to select an appropriate spindle speed according to the cutter, workpiece material, and machining operation. The R8 spindle taper is widely used for milling applications and allows the JMD-40GH to accommodate a broad range of compatible tooling. ([turn0search0]turn0search20)
The spindle provides 5 inches of manual travel, while the 3-inch-diameter quill and 4-1/2-inch-diameter column contribute to the machine's rigid construction.
Drilling & Milling Capacity
The JMD-40GH is designed for both drilling and milling rather than being limited to drill-press applications.
Drilling Capacity
Mild steel: 1-1/4 in.
Cast iron: 1-1/2 in.
Spindle travel: 5 in.
Milling Capacity
Face mill: 4 in.
End mill: 3/4 in.
These capacities make the machine suitable for a range of repair, fabrication, maintenance, prototyping, and general-purpose metalworking applications. ([turn0search20turn0search21)
Newall DP700 2-Axis DRO
One of the defining features of this configuration is the Newall DP700 two-axis digital readout. The DRO is designed to provide clear digital position information while the operator moves the milling table.
For precision work, a digital readout can make it easier to establish and repeat table positions than relying solely on graduated handwheels. This is especially useful when machining multiple features that need to maintain consistent spacing.
The DP700-equipped version is stock number 351140. It should not be confused with the similarly named JMD-40GH packages that use a Newall DP500 DRO or include X-axis powerfeed. ([turn0search19turn0search21)
Milling Table
The machine uses a substantial cast-iron milling table measuring 32-1/4 x 9-1/2 inches. The table provides 20-1/2 inches of longitudinal travel and incorporates four T-slots sized at 5/8 x 1 inch for securing workholding accessories.
The table's movement, combined with the two-axis DRO, allows the operator to position the workpiece accurately for drilling patterns, slots, holes, and milling operations. ([turn0search0]turn0search5)
Head Adjustment
The mill/drill head can be repositioned for angled machining applications. The head pivots around the column through 360°, while the head can swivel 90° left and 30° right according to the machine manual. This provides additional flexibility when drilling or milling features that are not perpendicular to the table. ([turn0search20)
Motor & Electrical Specifications
The JMD-40GH uses a 1-1/2 HP totally enclosed fan-cooled induction motor. The motor is rated for 115/230V single-phase operation and is prewired for 115V. The manual lists a full-load current of 20/10A and recommends a 20A/15A circuit depending on the selected voltage. ([turn0search20)
Motor power: 1-1/2 HP
Motor type: TEFC induction
Voltage: 115/230V
Prewired: 115V
Phase: 1 phase
Frequency: 60 Hz
Motor speed: 1,720 RPM
Listed full-load amps: 20/10A
Spindle speeds: 65–1,550 RPM
Construction & Stability
The JMD-40GH is built around a cast-iron head, cast-iron column, and cast-iron table. The 4-1/2-inch column diameter and substantial base help provide a stable platform during drilling and milling operations.
The machine has a listed 20-1/2-inch swing and a maximum distance of 15-3/4 inches from the spindle to the table, providing useful clearance for larger workpieces and fixtures. ([turn0search20turn0search0)
Additional Convenience Features
JET equips the JMD-40GH with several features intended to make routine machining easier:
Forward/reverse switch for spindle-direction control.
LED work lamp for illumination around the cutting area.
Calibrated fine downfeed for controlled spindle positioning.
Internal depth gauge for monitoring drilling depth.
Spindle guard for added operator protection.
Quick-select gear levers for changing between the six spindle speeds.
R8 spindle for compatibility with common milling accessories. ([turn0search3turn0search5)
Specifications at a Glance
| Specification | Details |
|---|---|
| Model | JMD-40GH |
| Stock Number | 351140 |
| Machine Type | Geared Head Mill/Drill |
| Digital Readout | Newall DP700 2-Axis DRO |
| Motor Power | 1-1/2 HP |
| Motor Type | TEFC Induction |
| Voltage | 115/230V |
| Prewired Voltage | 115V |
| Phase | 1 Phase |
| Motor Speed | 1,720 RPM |
| Drilling Capacity, Mild Steel | 1-1/4 in. |
| Drilling Capacity, Cast Iron | 1-1/2 in. |
| Face Mill Capacity | 4 in. |
| End Mill Capacity | 3/4 in. |
| Spindle Taper | R8 |
| Spindle Travel | 5 in. |
| Quill Diameter | 3 in. |
| Column Diameter | 4-1/2 in. |
| Number of Spindle Speeds | 6 |
| Spindle Speed Range | 65–1,550 RPM |
| Spindle Speeds | 65, 130, 220, 480, 925, 1,550 RPM |
| Swing | 20-1/2 in. |
| Max. Spindle-to-Table Distance | 15-3/4 in. |
| Table Size | 32-1/4 x 9-1/2 in. |
| Longitudinal Table Travel | 20-1/2 in. |
| Cross Travel | 8-1/4 in. |
| T-Slots | 4 |
| T-Slot Size | 5/8 x 1 in. |
| Base Dimensions | 24-1/4 x 15-15/16 in. |
| Overall Dimensions | 28 x 39-1/4 x 42-1/2 in. |
| Net Weight | Approx. 628 lb. |
| Gross Weight | Approx. 694 lb. |
Note: Some retailer listings report the shipping/gross weight as 694 lb. and may display that figure as the product weight. JET's broader specifications identify approximately 628 lb. as the net weight for the base JMD-40GH configuration. The DP700 DRO package is stock number 351140. Verify the latest manufacturer's documentation before finalizing installation or electrical specifications. ([turn0search21turn0search0)
Why Choose the JET JMD-40GH with DP700 DRO?
The JET JMD-40GH with Newall DP700 DRO is a practical choice for shops that need more capability than a conventional drill press while still wanting a relatively compact mill/drill platform. Its geared-head transmission provides six useful spindle speeds, while the R8 spindle supports a broad selection of milling tooling.
The combination of a 1-1/2 HP motor, 20-1/2-inch table travel, 5-inch spindle travel, 4-inch face-milling capacity, and two-axis digital readout makes this configuration well suited to precision drilling, slotting, facing, and general milling work.
For production, maintenance, fabrication, and toolroom applications where repeatable positioning is important, the Newall DP700 DRO adds a significant usability advantage by giving the operator a direct digital reference for table positioning.