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Jet JTM 836-1 Mill with 3 Axis Newall DP700 DRO
- $5,593.00
- Brands JET
- Product Code: 691176
- Availability: In Stock
JET JTM-836-1 Mill with 3-Axis Newall DP700 DROThe JET JTM-836-1 Mill with 3-Axis Newall DP700 DRO is a versatile knee mill designed for precision machining, milling, drilling, and general metalworking. It combines a rigid 8 x 36-inch worktable, a 3 HP single-phase motor, and a 3-axis Newall DP700 digital readout (DRO) to give operators better control over workpiece positioning and machining dimen..
3 Axis Mill Machine with Newall DP700 Digital Readout
JET JTM-836-1 Mill with 3-Axis Newall DP700 DRO
The JET JTM-836-1 Mill with 3-Axis Newall DP700 DRO is a versatile knee mill designed for precision machining, milling, drilling, and general metalworking. It combines a rigid 8 x 36-inch worktable, a 3 HP single-phase motor, and a 3-axis Newall DP700 digital readout (DRO) to give operators better control over workpiece positioning and machining dimensions.
The JTM-836-1 is designed for shops that need the flexibility of a manual milling machine while still benefiting from modern digital measurement. Its R-8 spindle taper, 60–4,200 RPM variable-speed spindle, tilting head, and substantial table travel make it suitable for a wide range of machining operations.
Key Features
3-axis Newall DP700 DRO — Provides digital position feedback for the X, Y, and Z axes, helping the operator monitor table and quill/head position accurately.
3 HP motor — Provides ample power for general-purpose milling and drilling applications.
R-8 spindle taper — Accepts a wide range of commonly available milling tooling and accessories.
Variable-speed spindle — Offers a speed range of approximately 60–4,200 RPM, allowing the operator to select an appropriate cutting speed.
8 x 36-inch worktable — Provides a useful working surface for machining medium-sized workpieces.
Large table travel — Provides substantial X-, Y-, and Z-axis movement for versatile workpiece positioning.
Tilting milling head — Allows the head to be angled for specialized machining operations.
Knee-type design — Provides rigid workpiece support and adjustable vertical positioning.
Quill feed — Allows controlled drilling and boring operations without relying exclusively on knee movement.
Quill depth stop — Helps establish repeatable drilling depths.
Turret and swivel head design — Provides additional positioning flexibility.
Spindle brake — Helps stop the spindle quickly after operation.
Way covers — Help protect critical slideways from chips and debris.
Chrome-plated quill — Provides a durable, smooth surface for repeated quill movement.
Heavy-duty construction — Designed for demanding machine-shop and fabrication environments.
Product Specifications
| Specification | Details |
|---|---|
| Brand | JET |
| Model | JTM-836-1 |
| Machine Type | Variable-Speed Knee Mill |
| Worktable Size | 8 x 36 in. |
| DRO | Newall DP700, 3-Axis |
| Motor Power | 3 HP |
| Motor Type | Single Phase |
| Voltage | 230 V |
| Spindle Taper | R-8 |
| Spindle Speed Range | 60–4,200 RPM |
| Spindle Type | Variable Speed |
| Quill Travel | Approximately 5 in. |
| Longitudinal Table Travel (X-Axis) | Approximately 23-1/4 in. |
| Cross Table Travel (Y-Axis) | Approximately 12 in. |
| Knee Travel (Z-Axis) | Approximately 16 in. |
| Head Tilt | Approximately 90° left/right |
| Quill Diameter | Approximately 3-3/8 in. |
| Spindle-to-Table Clearance | Approximately 18 in. |
| T-Slot Size | 5/8 in. |
| Machine Configuration | Floor-standing |
| Application | Milling, drilling, boring and general machining |
Specifications may vary slightly depending on production revision and supplied configuration. Confirm the current JET documentation for exact dimensions, travels, electrical requirements, and included accessories.
3-Axis Newall DP700 Digital Readout
A major advantage of the JTM-836-1 is its 3-axis Newall DP700 digital readout. The DRO displays positional information for the machine's primary axes, allowing operators to monitor movement without relying solely on graduated handwheels.
Digital position feedback can make it easier to:
Establish workpiece zero points
Monitor table movement
Position the cutter accurately
Repeat machining dimensions
Reduce reliance on manual scale readings
Improve setup efficiency
For manual machining, a DRO can significantly simplify the process of moving the table to a precise location and returning to established positions.
Powerful 3 HP Motor
The JTM-836-1 uses a 3 HP single-phase motor to provide the cutting power needed for general milling and drilling work.
The motor is paired with a variable-speed spindle, allowing the operator to adjust spindle speed according to cutter diameter, material, and machining requirements. This flexibility is useful when switching between roughing, finishing, drilling, and other operations.
Variable-Speed R-8 Spindle
The machine's R-8 spindle taper is a common tooling interface for manual milling machines. It allows the mill to accommodate a broad selection of R-8-compatible collets, arbors, and other tooling.
The spindle operates across a 60–4,200 RPM range, providing both low-speed capability for larger cutters and higher speeds for smaller tooling and finishing applications.
8 x 36-Inch Worktable
The 8 x 36-inch table provides a substantial working surface for securing workpieces, vises, rotary tables, fixtures, and other machining accessories.
The table offers approximately 23-1/4 inches of longitudinal travel and 12 inches of cross travel, giving the operator considerable flexibility when positioning a workpiece beneath the spindle.
The knee provides additional vertical positioning, while the quill allows controlled spindle movement for drilling and similar operations.
Tilting Milling Head
The JTM-836-1 features a tilting and swiveling milling head, allowing the spindle to be positioned away from the standard vertical orientation.
This capability is useful for:
Angled milling
Bevel machining
Slotting at an angle
Specialized drilling
Machining inclined surfaces
The ability to reposition the head expands the machine's capabilities beyond straightforward vertical milling.
Quill Feed and Depth Control
The milling head incorporates a quill mechanism for controlled vertical spindle movement. This is particularly useful for drilling, boring, and other operations where the cutter needs to move into the workpiece while the table remains stationary.
A quill depth stop helps provide repeatability when producing multiple holes or machining features to a consistent depth.
Heavy-Duty Knee Mill Construction
The JTM-836-1 uses a traditional knee-mill configuration, with the worktable supported by a rigid knee and column structure. This design provides a stable platform for manual machining and allows the table to be repositioned vertically.
The combination of a rigid cast structure, substantial table, and 3 HP motor makes the machine suitable for both general-purpose machining and more demanding workshop applications.
Typical Applications
The JET JTM-836-1 can be used for:
General milling
Slotting
Drilling
Boring
Facing
Keyway machining
Prototype work
Machine repair
Tool and die work
Fabrication
Maintenance machining
Small production runs
Why Choose the JET JTM-836-1?
The JET JTM-836-1 combines the familiar flexibility of a manual knee mill with the convenience of modern digital positioning. Its 3 HP motor, R-8 spindle, 60–4,200 RPM variable-speed drive, 8 x 36-inch table, tilting head, and 3-axis Newall DP700 DRO provide a strong combination of machining capability and operator control.
For machine shops, maintenance departments, fabrication facilities, and experienced metalworkers looking for a versatile manual milling machine, the JTM-836-1 offers a practical platform for precision positioning, general milling, drilling, boring, and a wide range of custom machining tasks.