JET JTM-4VS Heavy-Duty Applications
- High-precision face milling, pocketing, and profiling on complex steel castings and alloys
- Meticulous tool and die production, mold manufacturing, and industrial prototype development
- Heavy-duty drilling, boring, and tapping operations across a massive 9" x 49" envelope
- Multi-angle heavy fabrication utilizing compound 45° tilt and 90° rotation head positioning
An unyielding toolroom asset optimized for commercial manufacturing plants, aerospace shops, and heavy mechanical maintenance departments requiring dead-on accuracy.
JET JTM-4VS Technical Specifications
| Stock Number | JT9-690182 (Model JTM-4VS) |
|---|---|
| Motor Power | 3 HP, 230V / 460V, 3-Phase (Pre-wired 230V) |
| Full Load Amperage | 9.6A (at 230V) / 4.8A (at 460V) |
| Spindle Speed Range | Variable 60 – 4,200 RPM (Mechanical Pulley) |
| Spindle Taper Size | R-8 |
| Table Size (L x W) | 49" x 9" (with 3 T-slots on 2-1/2" centers) |
| Work Table Load Capacity | 660 lbs maximum limit |
| Axis Travels | Longitudinal: 34" • Cross: 12" • Knee: 14-1/2" • Ram: 13-3/8" |
| Quill Properties | 3-3/8" Chromed Diameter • 5" Spindle Travel |
| Quill Down Feed Rates | 3 Stages: .0015" - .003" - .006" Per Revolution (IPR) |
| Head Articulation | Tilt (Forward/Backward): 45° • Rotation (Left/Right): 90° |
| Net Weight / Gross Weight | 2,175 lbs / 2,226 lbs |
Performance & Engineering Controls
- Certified Meehanite® Cast Iron Body supplies immense structural dampening properties to ensure clean, chatter-free processing under high mechanical feed rates.
- Three-Stage Power Downfeed System incorporates an automatic stop mechanism to maximize user precision and ease repetitive deep boring depth workflows.
- Precision Hardened & Ground Table/Ways deliver smooth, unyielding slide movements across all travel axes to consistently hold strict mechanical tolerances.
- Internally Cooled Spindle Head Housing dissipates localized thermal energy efficiently to maintain exact bearing preload configurations during continuous, high-speed runs.
- One-Shot Manual Lubrication Block channels critical lubrication immediately to multiple friction paths on the carriage and table for accelerated daily maintenance.
- Oversized Chrome-Plated Quill Assembly provides an ultra-stiff 3-3/8" diameter layout, reducing tooling flexion during heavy cross-milling or plunging operations.
- Integrated Base Coolant Reservoir built right into the lower foot casting, ready for direct hookup to external flood cooling pumps.
Why Invest in the JET JTM-4VS Milling Platform
- Meehanite structural foundation protects your initial capital investment against long-term warping and geometric wear.
- Dual-voltage 3-phase configuration seamlessly integrates into standard facility grid distributions.
- Flexible angular adjustments on the head permit single-setup processing of complex multi-face profiles.
- Turnkey compliance package includes a full factory layout Tolerance Test Sheet and a 2-Year Full Service Warranty.
The JET JTM-4VS balances heavy industrial raw metal handling with tight-tolerance machining fidelity, making it a foundation asset on any professional shop floor.
Official Product Manuals: Download Setup & Parts Manual • Download Operation Manual
Official Product Manuals: Download Setup & Parts Manual • Download Operation Manual
