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

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