JET JTM-1254RVS Variable Speed Vertical Mill w/Newall DP700 3X (K) DRO X & Y Powerfeeds by JET is a professional-grade 12" x 54" variable speed vertical milling machine engineered for machinists and production shops demanding exceptional precision, durability, and versatile performance. Equipped with a Newall DP700 3-axis digital readout and X & Y powerfeeds, this mill delivers the accuracy and control required to consistently produce high-quality components across a wide range of milling operations. Backed by the industry-leading JET Two Year Warranty, the JTM-1254RVS is built to perform reliably in demanding environments.

Key Features

• Adjustable gibs throughout for precise fit and minimal play across all axes
• Dual locks on all moveable surfaces for secure positioning during cuts
• Heavy-duty spindle brake for rapid stopping of the spindle, improving safety and efficiency
• Precision bored and honed milling head ensures accurate spindle alignment and smooth operation
• Precision hardened and ground ways and table for long-lasting accuracy and wear resistance
• Three precision ground T-slots with 2-1/2" centers for versatile workholding setups
• Three-stage power downfeed with automatic stop for controlled and repeatable depth operations
• Quill down feed rates of .0015, .003, and .008 IPR for fine depth control
• Variable spindle speed range of 80 - 3,800 RPM to match a wide variety of materials and tooling
• R-8 spindle taper with collet capacity from 1/8" to 1" for broad tooling compatibility
• 5 HP, 230/460V, 3-Phase motor delivers ample power for heavy-duty milling tasks
• Ongoing automatic lubrication system for reduced maintenance and extended machine life
• Quick nut spindle feed for fast and convenient tool changes
• Exclusive JET new casting design allows easier machine leveling without raising it off the floor
• Two 115V outlets on the electrical box dedicated for Powerfeeds only
• Available in both R-8 and NT-40 spindle configurations to suit shop requirements
• Newall DP700 3-axis digital readout included for precise measurement and positioning
• X & Y powerfeeds included for automated table movement and consistent feed rates

Specifications

• MPN: JT9-698134
• Brand: JET
• Style / Type: Variable Speed R-8
• Motor: 5 HP, 230/460V, 3-Phase
• Range of Spindle Speeds: 80 - 3,800 RPM
• Spindle Taper: R-8
• Spindle Travel: 5 in.
• Quill Diameter: 4-1/8 in.
• Quill Down Feed Rates (IPR): .0015, .003, .008
• Collet Capacity: 1/8 - 1 in.
• Column Width: 14-1/4 in.
• Distance Spindle to Column (Max.): 27-3/4 in.
• Max Distance Spindle to Table: 23 in.
• Saddle Width: 25-5/8 in.
• T-Slot Centers: 2-1/2 in.
• T-Slots: Three precision ground
• Overall Dimensions (L x W x H): 92-1/8 x 79-7/8 x 104-1/4 in.
• Country of Origin: Taiwan
• Prop 65: Cancer and Reproductive Harm

Frequently Asked Questions

What spindle taper does the JET JTM-1254RVS use, and what is its collet capacity?

The JTM-1254RVS uses an R-8 spindle taper and accommodates collets ranging from 1/8" to 1", making it compatible with a wide variety of cutting tools and toolholding systems commonly used in machine shops.

What is the spindle speed range of the JTM-1254RVS?

This variable speed vertical mill offers a spindle speed range of 80 to 3,800 RPM, providing the flexibility to work with a broad range of materials and tooling diameters at optimal cutting speeds.

What are the three-stage power downfeed rates available on this mill?

The three-stage power downfeed system provides feed rates of .0015, .003, and .008 inches per revolution (IPR), allowing operators to select the appropriate rate for fine finishing passes or more aggressive material removal.

Are the powerfeeds powered through the machine's electrical system?

Yes. The electrical box on the JTM-1254RVS includes two dedicated 115V outlets specifically for powering the X and Y powerfeeds, ensuring a clean and integrated electrical setup without the need for separate external power sources.