EC-630 Horizontal Mill for Large Volume Production


The EC-630 is a large-capacity, high-production horizontal machining center with a 40 x 33 x 35 in. (1016 x 838 x 889 mm) work envelope, 50-taper geared-head spindle, dual pallet changer with 630 pallets, 50-pocket side-mount tool changer, and a built-in 1-deg. pallet indexer (a full 4th axis is available).


The geared head couples the motor directly to the spindle through a Haas-built, high-precision gearbox. The 2-speed gearbox provides 450 ft-lb of torque for heavy material removal and speeds to 6,000 rpm for finish cuts. Each of the machine's 630 mm (25 in.) pallets handles a 2,645 lb. (1,200 kg) load, and the servo-driven pallet-changer swaps pallets quickly. A separate, protected load station allows the operator to safely load and unload parts or change fixtures on one pallet, while parts are being machined on the other keeping spindle run time at a maximum. The machine's enclosure accommodates parts up to 39 in. (990 mm) in both diameter and height.


For long-cycle production with minimal downtime, the EC-630 is equipped with a large-volume coolant tank and a high-capacity belt conveyor for efficient chip removal. Also standard are 710 ipm rapids, a 15-in. color LCD monitor with a USB port, 1 MB of program memory, a flood and washdown coolant system, and a programmable coolant nozzle.


To simplify service, the EC-630 spindle, gearbox, and motor are assembled as a single modular unit that is easily removed and installed, if necessary.


  • 40" x 37" x 40" (1016 x 940 x 1016 mm) travels
  • Powerful 50-taper spindle for heavy cutting
  • Standard 50+1 tool side-mount tool changer
  • Built-in pallet changer with 630 mm pallets
  • Full 4th-axis rotary system
 X-Axis 40 in. (1,016 mm)
 Y-Axis 37 in. (940 mm)
 Z-Axis 40 in. (1,016 mm)
 Spindle Centerline to Pallet1 in. (28 mm)
 Max. Rating 30 hp (22.4 kW)
 Max. Speed 7,500 rpm
 Max. Torque 34 ft-lbf @ 700 rpm
 Drive System 2-speed gearbox
 Taper CT or BT 50
 Bearing Lubrication Air/oil injection
 Cooling Air Cooled
Integrated 4th Axis (B Axis)
 90-Deg. Rotation Time 3 s
 Max. Weight on Platter 1,500 lb. (680 kg)
 Rotational Torque 424 ft-lbf (575 Nm)
 Backlash 30 arc-sec
 Gear Ratio 106:1
 Min. Resolution 0.001-deg.
 Indexing Accuracy ± 15 arc-sec
 Repeatability 10 arc-sec
 Rapids on B 150-deg./s
Feed Rates
 Max. Cutting 500 ipm (12.7 m/min)
 Rapids on X 710 ipm (18 m/min)
 Rapids on Y
 Rapids on Z
Axis Motors
 Max. Thrust X 4,054 lbf (18,033 N)
 Max. Thrust Y 6,985 lbf (31,071 N)
 Max. Thrust Z 4,054 lbf (18,033 N)
Pallet Changer
 Pallet Quantity 2
 Pallet Length 25 in. (630 mm)
 Pallet Width 25 in. (630 mm)
 Max. Pallet Load 1,500 lb. (680 kg)
 Max. Part Dia.  39 in. (1,000 mm)
 Max. Part Height 39 in. (1,000 mm)
 Pallet Change Time 15 s
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