Engineering Specification, 850 ton Vertical Extrusion Press (O/No. 62440)

850 ton Vertical Extrusion Press (O/No. 62440)

This page contains a précis of the Engineering Specification for the press stated above (as originally supplied).

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Specification:850 ton vertical extrusion press
Process:For the extrusion of copper and other brazing alloys into solids, hollow sections and tubes from pre-machined billets by the direct and indirect extrusion process
Construction:Vertical, downstroking type with fabricated frame embodying moving container, adjustable shear and discard punch gear
Main Characteristics:Number of main rams1
Power of main ram850 tonf
Return power of main ram55 tonf
Stroke of main ram27″
Container sealing power45 tonf
Container unsealing power45 tonf
Container balancing power10 – 45 tonf
Container stroke13″
Shear power15 tonf
Shear stroke24″
Billet size4 5/8″ dia. x 10″ long
Working Pressure:4500 psi
Medium:High grade mineral oil
Lubrication:Mechanical lubrication by ‘Delimon’ or similar pump
Container Heating:Thermostatically controlled induction heating up to 450/500 degrees C
Supply Tank:450 gal prefilling and pump supply, air charged to 30 psi
Pumps:Towler pumps
Motors:Two – 140 HP, screen protected, squirrel cage motors
One – 0 HP, screen protected, squirrel cage motor
Starters:Hand operated, Star/Delta
Controls:Hand operated lapped piston type valves with one control station, gauges and metering valve
Filters:Tank mounted filters only
Speeds:Main ram approach6 in/s
Pressing0-0.31 in/s
Return3.82 in/s
Electrical Supply:400/440 volts, 3 phase, 50 Hz supply

This specification was kindly provided by Rhodes Interform

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