Jet 690221 JTM-4VS Mill with 3-axis ACU-RITE 200S DRO (Quill) and X Powerfeed Installed Jet 690221 JTM-4VS Mill with 3-axis ACU-RITE 200S DRO (Quill) and X Powerfeed Installed
Features-
• Meehanite casting
• Precision bored and honed milling head
• Large diameter quill is chromed
• High precision Class 7 spindle bearings
• Chrome plated motor shaft with lower bearing support
• Spindle head is internally cooled
• Heavy duty splined motor drive
• One piece quill pinion and shaft
• Three stage power downfeed with automatic stop
• Heavy duty spindle brake
• Locks on all movable surfaces
• Precision hardened and ground ways and table
• Adjustable gibs throughout
• Internal coolant tank built into casting base for use with coolant system (coolant pump not included)
• Tolerance test sheet included
• One shot lubrication system
• Way covers
• Draw bar
• Tool box with tools

Specifications-
Motor: 3 HP, 230/460V, 3 Ph, Prewired 230V
Number of Spindle Speeds: Variable
Spindle Taper: R-8
Quill Diameter: 3-3/8"
Head Movement: 90 degrees R & L, 45 degrees F & B
Max Distance Spindle to Table: 17-1/2"
Distance Spindle to Column: 19"
Table Longitudinal Travel: 34"
Table Cross Travel: 12"
Collet Capacity: 1/8 – 7/8
T-Slots Number and Size: 3" and 5/8"
T-Slot Centers: 2-1/2"
Work Table Weight Capacity: 660 lbs,
Travel of Knee: 16"
Travel of Ram: 14-1/2"
Quill Down feed Rates (IPR): .0015 - .003 - .006
Range of Spindle Speeds (RPM): 60 - 4200
Table Size: 9" X 49"
Feature: 4-1/2"
Prewired 230V: 230V
Overall Dimensions: 65-1/2" X 63" X 85"
Height: 85"
Width: 65.5"
Length: 63"
Net Weight: 2240 lbs.

• Optional Acu-Rite 200S DRO Features & Specifications:
As the industry standard in digital readout systems, the Acu-Rite 200S offers state-of-the-art features for milling, turning and grinding applications.

• 2 or 3 axes
• 5.7” Transmissive LCD display
• Job Clock
• Feed Rate Display
• Multiple Language Support
• Absolute/Incremental
• Near-Zero Warning Help Function
• 16 Tool Offsets/Diameter
• Preset and zero reset
• 4 Function Calculator/Trig Calculator
• Instant Inch/mm conversion
• Position-Trac
• Lock axis feature
• Instant radius/diameter conversion
• Taper Calculator

Error Compensation: Linear and non-linear compensation up to +/-9,999 ppm
Construction: Die-cast metal
Data Interface: RS-232-C/V.24 serial port
Electrical Requirements: Voltage of 100-240 Vac Power of 30 VA max Frequency of 50/60 Hz (+/-3Hz)
Operating Temperature: 0 degrees to 45 degrees C (32 degrees to 113 degrees F)
Storage Temperature: -20 degrees to 70 degrees C (-22 degrees to 158 degrees F)
Weight: 4.85 lbs.
Certifications: ISO-9001, UL, CSA, CE

Table Powerfeed Features-
• Specially designed for each model X and Y axis available
• Provides continuously variable feed rate of up to 37 in./min.
• Adjustable stops allow automatic shut off
• Includes rapid traverse button
• Built-in clutch helps prevent damage in overload
• Factory installation available
• Installation of powerfeed will reduce table travel

Table Powerfeed Product Specifications-
• Speed Rate/Variable (IPM): 0-37
• Torque (in./lbs.): 135
• Rapid Traverse (IPM): 37
• Motor: 2-1/2 Amp, 1Ph, 115V
• Net Weight (lbs.): 14
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