Common Attributes
  Horizontal Machining

5 Axis
4 Axis
  Vertical Machining
  Jig Borers
  Jig Grinders
  Thread Grinders


MITSUI SEIKI High Production Machining Center Model HU50A-50T with 500mm square pallets. Numerically controlled with all standard equipment and features including: Automatic Tool Changer, Automatic Pallet Changer, and high production capability for drilling, boring, tapping and reaming. Integrated circuit logic, closed loop, complete electrical equipment for operation on: 3-phases, 50/60Hz, 200/220 Volts AC.


Working Capacity
Table longitudinal stroke (X axis) 720 mm (28.3")
Spindle head vertical stroke (Y axis) 700 mm (27.6")
Column longitudinal stroke (Z axis) 650 mm (25.6")
Distance from table surface to spindle axis 100 - 800 mm (3.9" - 31.5")
Distance from spindle nose to table center 150 - 800 mm (5.9" - 31.5")
Interference of whole machine cover with work piece on pallet
In machine 800 mm (31.5" )
In two station automatic pallet changer (2 APC) 800 mm (31.5" )
Axis Traverse Rates
Rapid traverse rates
X, Y and Z axes 36,000 mm / min. (1,417 IPM)
B axis 3 sec./90
B axis infinite (option) 3,600/min. (10 rpm)
Cutting feed rates
X, Y and Z axes 0.1~20,000 mm/min. (0.004~787 IPM)
B axis Not applicable for 1 table
B axis infinite (option) 0.1~3,600/min.
Minimum Resolution
X, Y and Z axes 0.001 mm
B axis 1 (0.001 option)
Position Transducer
X, Y and Z axes Linear scale feedback system (Precision glass scale/standard)
Option Pulse code feedback system
B Axis Large diameter HURTH coupling
Option High Precision Rotary Glass Encoder
Power Required
Electrical Power Required AC 200/220V, 3 phase, 50/60 HZ, 75 KVA
Air Required
Air Survice Required 0.5 - 0.7 Mpa, 1.0 m3/min. (70~110 psi @ 42 cfm) (Dry and clean air), 1,200 N liter for high speed spindle up 12,000 RPM
Machine Dimensions and Weight
Length 5,090 mm (200")
Width 2,600 mm (102")
Height 2,930 mm (115")
Height to table surface from floor 1,100 mm (43.3")
Height to table surface from floor 1,130 mm (w/ optional T slot pallet)
Machine Weight 13,000 kg. (28,600 lb.)
Note: Standard machine, includes 2 APC and chip conveyor
(Includes front boxer APC and maintenance space)
Length 5.5 m (217")
Width 3.0 m (118")
Numerical Control Equipment
CNC Control FANUC 30i

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