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 rams | 1 |
| Power of main ram | 850 tonf | |
| Return power of main ram | 55 tonf | |
| Stroke of main ram | 27″ | |
| Container sealing power | 45 tonf | |
| Container unsealing power | 45 tonf | |
| Container balancing power | 10 – 45 tonf | |
| Container stroke | 13″ | |
| Shear power | 15 tonf | |
| Shear stroke | 24″ | |
| Billet size | 4 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 approach | 6 in/s |
| Pressing | 0-0.31 in/s | |
| Return | 3.82 in/s | |
| Electrical Supply: | 400/440 volts, 3 phase, 50 Hz supply | |
This specification was kindly provided by Rhodes Interform
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