1000 TON HITACHI ZOSEN DOUBLE ACTION CRANKLESS STRAIGHT SIDE

Page 1 of 4

Type Double action
Crankless mechanical
Control system Relay logic
Main drive Top drive with single
speed clutch
Slide drive Eccentric gear drive
with plunger guides
Main motor DC motor
No. of suspension points Inner slide 4
Outer slide 4
Frame straight side
Capacity Frame Inner slide 600T
Outer slide 400T
Drive Inner slide 600T@13mm
from B.D.P.
Outer slide 400T@6mm
from B.D.P.
Slide stroke Inner slide 840mm/32"
Outer slide 660mm/26"
Die height Inner slide 1900mm
Outer slide 1650mm
(Distance between the slide/adaptor plate bottom face and the bolster
top face at slide stroke down, slide adjustment up.)
Slide adjustment Inner slide 600mm
Outer slide 600mm
Slide area (Left-Right x Front-Rear)
Inner slide 2300mm x 1300mm/110"x51"
Outer slide 2800mm x 1850mm
Opening 2350mm x 1350mm
Bolster area 2800x1850mm (LR x
FR)
Bolster thickness 280mm
Height from floor to top of bed 5mm
Height from floor to top of bolster 675mm
No. of strokes Cont. 8-18 SPM
Intermittent 14 SPM Max.
Clutch and Brake
Type Single speed,wet type
USI-Clearing Torc-Pac
Operation Air friction operation.The clutch is engaged and the brake is
disengaged by air pressure. The clutch and brake are mechanically
interlocked and move as a unit so that it is impossible for both to
be engaged at the same time.
Die Cushion
Type Pneumatic, 1 pad
2 cyclinders, 2 stages
Capacity 100T @ 5.5 kgf/cm2
Stroke (effective) 0-250 mm
Pad area 2490mm x 1090mm
(160mm x 95mm corner
cut)
Cushion lock Hydraulic type
Adjustment 0-250 mm
Slide counter balance
Type Pneumatic
Capacity Inner slide (punch+adapter plate) 12T @ 5.5 kgf/cm2
Outer slide (blank holder_adapter plate)12T @ 5.5 kgf/cm2
Slide adjust
Type Motorized
Velocity 60mm/min.
Operation Manual-Pushbutton inching with top and bottom detecting limit
switch.
Micro-Inching
Capacity Inner slide 600T @ 3mm above B.D.P.
No. of strokes 1 SPM
Operation Push button at main operator control panel
Modes Forward and Reverse
Flywheel brake
Type Pneumatic with a regenerative brake.(Regenerative by main motor)
Stop time Within 20 seconds
Page 3 of 4
Blank holder pressure control
Type Hydro-pneumatic
intensifier
Stroke of hydraulic cylinder 25 mm
Recharge time(after overload & slide is
driven to top position) 30 Sec. Max.
Overload protection
Type Spring operated hydraul
.
relief valve
Stroke of cyclinder 25mm
Recharge time(after overload & slide is
driven to top position) 30 Sec. Max.
Upper die clampers
Inner slide Type Two sets of pneumatic
swing clamps
Capacity 3T (each clamp)
Spacing +/-650mm
Outer slide Type Three sets of pneumatic
swing clamps
Capacity 3T each
Spacing +/-9200mm
100mm left of center
Blank holder adapter plate
Inner slide Material Steel
Dimensions 2300mm x 1300mm x
100mm
Outer slide Material Steel
Dimensions 2800mm x 1850mm x
100mm
(opening size 2350mm
x 1350mm)
Page 4 of 4
Die cushion pun plate lifter
Type- Hydraulic operation with four (4) hydraulic cylinders in the
moving bolster.
Capacity (pin weight) 150kg
Lift stroke 200mm
Moving bolster
Type- Electric motor driven, Left to Right side exit motion
No. of bolsters 2
Capacity 32 Tons
Clampers Four (4) Hyd. clamps
Pneumatic supply- Compressed air is deliverd to the bolster for die
automation through an automatic connector between
the bolster and press bed.
Electric supply- Electrical power is delivered to the bolster through
an electrical cable reel system. The cable reel system
is mounted below floor level and feeds the electrical
cable to the bolster directly as it moves in and out
of the press.
Die automation
air- Compressed air is supplied for the die automation. There
are three (3) supply circuits and three (3) exhaust
circuits.