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JET JVM 836 1 Step Pulley Milling Machine
- $3,844.00
- Brands JET
- Product Code: 690036
- Availability: In Stock
JET JVM-836-1 Step Pulley Milling Machine 115V 1PH The JET JVM-836-1 Step Pulley Milling Machine is a versatile vertical knee mill designed for general-purpose machining, fabrication, repair, and maintenance work. Powered by a 115-volt, single-phase motor, this machine is well suited to workshops that require a traditional milling platform without the need for three-phase electrical service. Its..
115V Step Pulley Milling Machine for Metalworking
JET JVM-836-1 Step Pulley Milling Machine 115V 1PH
The JET JVM-836-1 Step Pulley Milling Machine is a versatile vertical knee mill designed for general-purpose machining, fabrication, repair, and maintenance work. Powered by a 115-volt, single-phase motor, this machine is well suited to workshops that require a traditional milling platform without the need for three-phase electrical service.
Its step-pulley spindle drive provides multiple mechanical speed ranges, while the rigid knee-mill construction, R-8 spindle, turret/swivel head, and substantial work table give machinists the flexibility needed for a wide range of metalworking operations.
Key Features
- Step-pulley drive system — Provides multiple spindle speeds for matching the cutter and material to the machining operation.
- 115 V single-phase power — Convenient for workshops equipped with standard single-phase electrical service.
- Vertical knee-mill design — Provides versatile workpiece positioning for general machining.
- R-8 spindle taper — Compatible with a broad range of milling tooling and accessories.
- Turret and swivel head — Allows the milling head to be positioned for different machining requirements.
- Rigid construction — Helps provide stability during milling operations.
- 9 x 36-inch work table — Offers useful space for workpieces, vises, fixtures, and accessories.
- Adjustable knee — Provides substantial vertical positioning of the work table.
- Quill feed — Allows controlled vertical spindle movement for drilling and related operations.
- Graduated handwheels — Provide conventional mechanical control of table movement.
- Versatile machining capability — Suitable for milling, drilling, boring, slotting, facing, and general fabrication.
Product Specifications
| Specification | Details |
|---|---|
| Brand | JET |
| Model | JVM-836-1 |
| Machine Type | Step Pulley Vertical Milling Machine |
| Power Supply | 115 V |
| Phase | 1 Phase |
| Table Size | 9 x 36 in. |
| Spindle Taper | R-8 |
| Spindle Type | Vertical |
| Drive System | Step Pulley |
| Head Type | Turret / Swivel |
| Machine Configuration | Knee Mill |
| Table Movement | X and Y |
| Vertical Positioning | Knee and Quill |
| Primary Applications | Milling, drilling, boring, facing, slotting, keyway cutting and general machining |
Specifications can vary by production revision. Verify the current JET documentation for exact motor horsepower, spindle-speed range, spindle travel, table travel, knee travel, quill diameter, maximum spindle-to-table distance, dimensions, amperage, and machine weight before purchase.
Step-Pulley Spindle Drive
Unlike variable-speed milling machines, the JVM-836-1 uses a step-pulley drive to provide selectable mechanical spindle speeds.
The operator changes the belt position on the pulley system to select the appropriate speed range. This straightforward design is well suited to traditional machine-shop environments and provides a direct mechanical connection between the motor and spindle.
Choosing the appropriate spindle speed depends on factors such as:
- Cutter diameter
- Cutter material
- Workpiece material
- Depth of cut
- Feed rate
- Desired surface finish
115 V Single-Phase Operation
The 115 V, 1-phase electrical configuration makes this JVM-836-1 particularly practical for shops without three-phase power.
Before installation, the machine should be connected to an appropriately rated circuit in accordance with the manufacturer's electrical requirements and local electrical codes.
Rigid Knee-Mill Design
The JVM-836-1 uses a conventional vertical knee-mill configuration, providing a stable platform for a wide variety of machining operations.
The adjustable knee allows the table to be raised or lowered to establish the appropriate work height. This design is widely used for general-purpose milling because it provides flexibility while maintaining a rigid relationship between the workpiece and spindle.
R-8 Spindle
The machine's R-8 spindle taper is a widely used tooling interface for vertical knee mills.
It allows the JVM-836-1 to accept a variety of compatible tooling, including:
- R-8 collets
- End-mill holders
- Milling arbors
- Drill chucks
- Other R-8-compatible accessories
This broad tooling compatibility makes the machine adaptable to different machining operations.
Turret and Swivel Head
The milling head incorporates a turret and swivel design, allowing the head to be repositioned for different machining setups.
This is useful when an operation requires the spindle to be angled relative to the workpiece. For conventional milling, the head can be positioned and aligned with the table as required.
9 x 36-Inch Work Table
The approximately 9 x 36-inch table provides a substantial working surface for securing components and mounting fixtures.
The table can accommodate common accessories such as:
- Machine vises
- Clamps
- Angle plates
- Rotary tables
- Milling fixtures
- Workholding accessories
Properly securing the workpiece is essential for maintaining machining accuracy and safe operation.
Quill and Knee Adjustment
The JVM-836-1 provides both knee and quill adjustment for vertical positioning.
The knee establishes the general height of the work table, while the quill provides controlled spindle movement for operations such as drilling and certain milling applications.
Using the appropriate adjustment for each task helps improve setup efficiency and cutting control.
General Machining Capabilities
The JET JVM-836-1 can perform a broad range of conventional machining operations.
Face Milling
Produces flat surfaces on metal workpieces using an appropriate face-milling cutter.
End Milling
Suitable for producing shoulders, steps, pockets, and profiles.
Slotting
Allows slots and channels to be machined into compatible workpieces.
Keyway Cutting
Can be used with appropriate tooling to produce keyways.
Drilling
The vertical spindle and quill provide a useful platform for drilling operations.
Boring
Suitable boring tooling can be used to enlarge or finish existing holes.
Facing and Edge Work
The machine can be used for general surface and edge machining operations.
Benefits of a Traditional Step-Pulley Mill
The step-pulley configuration is a good fit for users who prefer a straightforward mechanical drive system.
Its advantages include:
- Simple mechanical speed selection
- Familiar operation for conventional machine shops
- No electronic variable-speed control required
- Broad usefulness across common machining tasks
- Easy integration into traditional milling workflows
The operator should always select a spindle speed appropriate for the specific cutter and material.
Typical Applications
The JET JVM-836-1 is suitable for:
- General machine-shop work
- Maintenance and repair
- Toolroom operations
- Metal fabrication
- Prototype machining
- Small-batch production
- Drilling
- Face and end milling
- Slot and keyway cutting
- Component modification
- General-purpose metalworking
Why Choose the JET JVM-836-1?
The JET JVM-836-1 Step Pulley Milling Machine offers a traditional vertical knee-mill configuration with the convenience of 115 V single-phase power.
Its step-pulley drive, R-8 spindle, turret/swivel head, 9 x 36-inch work table, adjustable knee, and quill feed provide a versatile platform for everyday machining tasks.
For maintenance departments, fabrication shops, toolrooms, repair facilities, and general-purpose machine shops, the JVM-836-1 is a practical choice for users who want the straightforward operation and mechanical speed selection of a conventional step-pulley milling machine.