GMV-4 CNC

12” X 54” 40-Taper Heavy Duty CNC Plus Mill

Machine Specifications

Table Size (W x L)	12″ x 54″	(254 x 1372mm)
Table Travel with CNC Control	33.5″	(850mm)
Travel Capacity	1200lbs
T-Slot Width (3 T-Slots)	5/8″ T-Slots with ground reference edges (15.9mm wide)

Table Travel – X Axis	34.75″
Cross Travel – Y Axis	14″
Knee Travel	16″	(406mm)
Ram Travel	17.7″	(450mm)
Spindle Nose-to-Table Surface Travel	2″ – 18″	(50 – 457mm)
Ballscrew ground pitch (X & Y)	0.2″ per rev.
Adjustable scale ring resolution	0.001″	(0.0254mm)

Hardened & Grounded Meehanite^®Processed Cast Iron
Longitudinal Table – Z Axis	Hardened & Ground Dovetail Ways
Cross Slide to Knee – Y Axis	Hardened & Ground Square Box Ways
Knee to Column	Hardened & Ground Square Box Ways

Head Tilt (Left-to-Right)	90° – 0 – 90°
Head Tilt (Front-to-Back / Up-Down)	45° – 0 – 45°
Head Swivel	360°
Spindle Motor	5-HP / 3 Phase 208 – 240 vac.
Spindle Taper	NMTB #40 N.S. Taper
Spindle Runout	0.0002″ maximum runout (0.005mm)
Spindle Bearings	Fafnir ABEC-7 Matched set of Class-7 Bearings
Variable Speed Drive – Dual Range	80 – 520 rpm (low-range) / 600 – 4000 rpm (high-range)
Note: 5,000 RPM Electronic Variable-Speed Spindle available with the optional AC Inverter Spindle Head

Quill Travel – CNC Z-Axis	5″ (127mm) Manual & Power Feed w/o 3rd CNC Axis
Quill feeds (per rev.) with Trip Release – Inch	0.0015″ / 0.003″ / 0.006″
Quill feeds (per rev.) with Trip Release – Metric	0.04mm / 0.08mm / 0.16mm
Quill Diameter	4.13″ (105mm)

Power Requirements 3-Phase	208 – 220 vac. ±5% @ 22 amps (440 vac optional) / 110 vac 20-am dedicated service required for CNC Control
Coolant Capacity	11 Gallons.	(41 liters)
Machine Weight	1600 Kgs

Our headquarters is located in Chatsworth, California.

Our warehouse features a large 4,000 sq. ft. showroom

Fully stocked parts room and training/simulation rooms

We offer competitive financing through our partnering company

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