Jet Tools Official Manual for the JET JTM-4VS: Operating Instructions and Parts

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Operating Instructions and Parts Manual

Variable Speed Turret Mill

Model JTM-4VS

Shown with optional accessories X-Axis Table Powerfeed and DRO

JET

 

427 New Sanford Road

Part No. M-690182

LaVergne, Tennessee 37086

Ph.: 800-274-684

Revision H2 06/2014

www.jettools.com

Copyright © 2014 JET

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Contents Part No. M-690182 Variable Speed Turret MillWarranty Period Warranty and ServiceTable of Contents Page Page JTM-4VS-1 Introduction Specifications690180 Unpacking Contents of the Shipping ContainerPreparing the Milling Machine for Service Set-up and InstallationInstallation Diagram JTM-4VS DimensionsOverview JTM-4VS Overview and TerminologyElectrical Connections Motor SwitchOperating Instructions Operating ControlsChange speed only while the spindle is turning Variable Speed ControlSpindle Brake Quill Power Feed LeverHigh-Neutral-Low Shift Lever Feed Rate LeverFeed Trip Cam Lever Micrometer Adjusting NutFeed Direction Control Coarse Feed HandleDepth Scale and Stop Power Feed OperationCCW Mill Head Left/Right Adjustment AdjustmentsDraw Bar Operation Changing Tooling Clamping Work Piece to the TableMill Head Fore/Aft Adjustment Positioning the Ram Gib AdjustmentTable Lead Screw Backlash Adjustment Power Feed Trip Lever MechanismCross Feed Backlash Adjustment Longitudinal Backlash AdjustmentPage Periodic Maintenance Requirements MaintenanceReplacement of Drive Motor Replacement of Brake Shoes, Springs and/or Timing Belt Replacement of Vari-Speed BeltReplacement of Quill Feed Clock Spring Replacement PartsHead Assembly Index No. Part No Description Size Qty Parts List for Head AssemblyJTM4VS-HA VS-054 JTM4VS-A002B Spindle Assembly Parts List for Spindle Assembly LA-082 Overload Clutch Lockout LA-083 RINS30 Base Assembly Parts List for Base Assembly JTM4VS-B80 JTM4VS-B79JTM4VS-B81 JTM4VS-B82LT-010BSP-CHR Lead Screw AssemblyALMP-04-VS One-Shot Lubrication SystemJTM4VS-BUTW1458 Electrical Connections Single Phase only Electrical Connections 3 Phase only New Sanford Road LaVergne, Tennessee Phone

JTM-4VS specifications

The Jet Tools JTM-4VS is a highly regarded vertical mill that caters to the demands of both professional machinists and serious hobbyists. This versatile piece of machinery combines precision engineering with innovative features, making it a popular choice in workshops and fabrication shops.

One of the standout characteristics of the JTM-4VS is its powerful 1.5 HP motor that operates on either 115V or 230V power supply, providing flexibility depending on the workshop setup. The motor offers variable speed control, from 60 to 4200 RPM, allowing users to adjust speeds according to the material being machined. This capability makes it ideal for a wide range of applications, from heavy milling on steel to delicate work on softer materials like aluminum.

The JTM-4VS is equipped with a robust cast iron column and base, which contribute to its stability and durability. This construction minimizes vibrations during operation, resulting in improved precision and surface finish on machined parts. The table measures 9” x 49”, providing ample workspace for various projects, and is fitted with T-slots for easy clamping of workpieces.

Another notable feature of the JTM-4VS is its easy-to-use digital readout (DRO) system that assists users in making precise adjustments and measurements. The DRO enhances the overall efficiency of the milling process, allowing operators to focus on the task at hand rather than relying solely on manual measurements.

The machine also incorporates a high-grade, hardened and ground bedway that ensures smooth operation and long-lasting performance. This feature not only extends the longevity of the mill but also allows for precise vertical and horizontal movements.

Safety is a primary concern in any workshop, and Jet has addressed this with various safety features integrated into the JTM-4VS. The mill is designed with a protective shield and emergency stop button, ensuring operators can work confidently.

In summary, the Jet Tools JTM-4VS stands out for its combination of robust construction, versatile functionality, and user-friendly technologies. With its powerful motor, variable speed capabilities, and precision features, it is an excellent investment for anyone looking to enhance their machining capabilities in the workshop. Whether it's for industrial applications or intricate projects, the JTM-4VS delivers reliable performance and exceptional results.