THE LPM MACHINE WITH CRUCIBLE FURNACE
In this machine, the 4+4 column vertical press houses in its lower part an steel welded structure enclosing an electric crucible-type holding furnace with proportional pressurization control. Working temperature is obtained by means of a series of heating elements that are fixed on 6 removable plates that embrace the outer structure of the crucible. This system allows the furnace to maintain the working temperature also when only 5 elements are working, thus bringing the onstream production to its end, and avoiding the necessity to slide out the crucible when a faulty element requires replacement.
The furnace is mounted on a trolley allowing it to slide out frontally for easy maintenance and crucible replacement. A hoisting system driven by an hydraulic motor operates two screw jacks guided by four columns that allow lifting the furnace (up to 250 mm) to move it into its working position.
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Technical data
Vertical Press
| longitudinal |
1775 mm |
| transverse |
1000 mm |
| |
1300 mm |
| |
110 mm |
| |
540 mm |
| |
200 KN |
| |
250 KN |
| |
250 KN |
| |
180 mm |
| |
60 KN |
| |
1500 x 2300 x 6350 mm |
| |
13000 Kg |
Pressure Furnace
| |
crucible furnace |
| |
600 kg | 800 kg |
| |
60 kW | 60 kW |
| |
Thyristors |
| |
2 bar |
Hydraulic Pack
| |
600 lt |
| |
80 – 120 bar |
| |
22 kW |
| |
piston |
| |
Glycol water |
| |
approx. 450 lt/h |
| |
1300 x 2500 x 1500 mm |
| |
2000 Kg |
Control unit
| SIEMENS |
ALLEN BRADLEY |
| S7 |
SLC 500 |
| |
400 V – 50 Hz |
| |
110 V AC |
| |
24 V DC |
| |
2000 x 500 x 2100 mm |
| |
800 Kg |
Installation data
| Average consumption |
30 kW/h |
| Connected load |
min. 80 kW |
| Pressure |
6 - 8 bar |
| Cooling circuit consumption |
150 Nm3/h |
| Furnace pressurization consumption |
2 Nm3/min |
| Pressure |
2 - 3 bar |
| Hydraulic unit flow rate (with water at 25°C) |
18,5 lt/min |
| Cooling circuit flow rate |
15 lt/min |
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Technical specifications
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