1500Ton Copper Extrusion KOBELCO, 1986
1500Ton Copper Extrusion KOBELCO, 1986
Specification
Type Horizontal – 4 cylinder – indirect
Force 1500 T
Pressure 236 kgf/cm² - 231 bar
Working oil pressure 30, 70, 140, 236, 250 kgf/cm²
Billet size Dia 175 x 400-800 mm L
Container size Dia 180 mm x 900 mm L
Extrusion speed 38 mm/sec
Extruded ability 95% under – constant velocity
Speed control style by electric type potentiometer
Max. extrusion product circumscribing circle 55 mm
Moving device of main crosshead
Quantity of main lamb power at 236 kgf/cm² - 1339 T
Progress ability of side cylinder at 236 kgf/cm² - 81.5 T x 2
Retreat ability of side cylinder at 236 kgf/cm² - 45 T x 2
Stroke of main lamb 1840 mm
Container moving device
Progress ability at 250 kgf/cm² - 85.5 T x 2
Retreat ability at 250 kgf/cm² - 127 T x 2
Stroke 1300 / 1670 mm
Shear
Capacity at 250 kgf/cm² - 60 T
Stroke 550 mm
OIL PRESSURE
Type Pump direct mechanical compression system
Working oil Turbin oils (mineral oil)
Oil pressure of working oil 30, 70, 140, 236, 250 kgf/cm²
Main pump
Application Ma in cylinder, side cylinder & main cylinder for
driving
Qty. 3 units
Type Variable discharge – Axial plunge pump type
Discharge quantity 460 L /min. variable by 1 unit
Degree of leaning change method Hydraulix servo (Lotus)
Discharge pressure 250 kgf/cm²
Revolution speed 960 RPM
Auxiliary Pump
Application Co ntainer cylinder, sub cylinder for driving
Quantity 1 unit
Type Variable discharge Axial plunger pump type
Discharge quantity 140 L/min. variable
Degree of leaning change method Hydraulic servo (Lotus)
Discharge pressure 250 kgf/cm²
Revolution speed: 960 RPM
Auxiliary Pump
Application Au xiliary devices of extrusion press for drive
Quantity 1 unit
Type Vane pmp or gear pump
Oil Tank
Type Elevated oil tank
Capacity 7000 L
Valves Pressure control valve Directional control valve
Flow control valve
Auxiliary devices
Coller
Heater
Pressure gauge belonging to point of contact
Pressure gauge
Pressure switch
Oil level gauge
Oil temperature gauge
Filter
Magnetic separator etc.
Invw070417
04/10/2017 johanes
