Engineering Specification, 3900 ton Hydraulic Plate Stretching Machine (O/No. 62020)
3900 ton Hydraulic Plate Stretching Machine (O/No. 62020)
This page contains a précis of the Engineering Specification for the machine stated above (as originally supplied).
Click here to see photographs of this machine.
If you have any comments, please leave your memories at the bottom of the page by clicking on the words Add a comment about this page.
| Process: | Stretching Aluminium Plates between the following sizes: – | |
| Finished Plate Length: | 50′ 0″ maximum (as supplied) | |
| Plate width: | 10′ 8″ maximum | |
| Plate thickness: | 7″ maximum, 0.119″ minimum | |
| Construction: | Horizontal type with two gripping crossheads located on a fabricated steel bedplate | |
| Main Characteristics: | Number of main rams | 2 |
| Maximum power | 3900 tonf (English) | |
| Stroke of main ram | 9′ 0″ | |
| Maximum width of jaws | 10′ 8″ | |
| Maximum jaw opening (all jaws) | 11″ for sections 10″ thick | |
| Tail crosshead adjustment | 3′ 8 1/2″ | |
| Width of centre grip | 2′ 1 1/2″ | |
| Maximum load available on centre grip | 3900 tonf | |
| Working pressure | 4480 psi | |
| Pressure Medium: | High grade mineral oil (Mobil DTE special) | |
| Lubrication: | Motorised and Hand Gun | |
| Tanks: | Main – 2000 gallons, heated by 3 – 5 KW heaters | |
| Cylinder End – 200 gallons, heated by 1 – 3 KW heater | ||
| Tail End – 400 gallons, heated by 2 – 2 KW heaters | ||
| Recovery – 200 gallons, heated by 1 – 2 KW heater | ||
| Pump Units: | Towler manufacture | |
| Installed Horsepower: | 571 HP | |
| Controls: | Servo operated, balanced valves, the main ram controls are mounted on a desk and the controls for the grips are mounted on the respective crossheads | |
| Speeds: | Maximum stretching speed | 0.27 in/sec |
| Approach speed | 3.73 in/sec | |
| Return speed | 3.73 in/sec | |
| Electrical Supply: | 380 volts, 3 phase, 50 Hz |
This specification was kindly provided by Rhodes Interform
No Comments
Add a comment about this page