Electric Ceramics Machine Vacuum Hot Press Furnace
Introduction:
The electric furnace with induction heating, graphite heating and
molybdenum filament heating,is suitable for the sintering of metal
powders, inorganic non-metallic materials under vacuum, high
temperature, hot pressing and protective atmosphere conditions.
Thus it has the function to complete the material’s pyknosis
densification, prevent distortion and inhibit the
nanometer-powder’s crystalline grain becoming bulky.
Technical Parameters:
Model | Rated Power | Rated temperature | Working area size | Ultimate vacuum | Maximum pressure | Displacement | Remark |
ZT-25-20Y | 25KW | 2000°C | 90×120 | 5×10-3 Pa | 10t | 100mm | Single phase |
ZT-40-20Y | 40KW | 2000 °C | 160×160 | 5×10-3 Pa | 20t | 100mm | Single phase |
ZM-30-16Y | 30KW | 1600 °C | 150×200 | 6×10-4 Pa | 20t | 150mm | Single phase |
ZM-18-10Y | 18KW | 1000 °C | 200×200 | 5×10-4 Pa | 20t | 150mm | Single phase |
ZT-63-20Y | 63KW | 2000 °C | 250×250 | 5×10-3 Pa | 30t | 100mm | Three phase |
ZT-50-22Y | 50KW | 2200 °C | 150×180 | 5×10-4 Pa | 10t | 100mm | Three phase |
ZT-150-26Y | 150KW | 2600 °C | 300×300 | 10Pa | 100t | 150mm | Three phase |
Features:
The electric furnace is heating vertically (The pressure is from 5T
to 100T, two ways of pressure: one and two way), and It also has
two ways of feeding and discharging: from the top or the side. It
consists of furnace shell, heating element, insulation layer,
pressure device, vacuum system, electric control system and so on.
1, The furnace shell is in dual layer water-cooled structure with
inner layer of polishing stainless steel and outer layer of
high-quality anti-rust carbon steel. There passes water between the
two layers to cool the furnace to ensure the temperature of the
furnace shell is under 60°. The furnace cover is completed hoisting
by upgrading the mechanical structure and opened manually by
rotating to the back (one-way pressure). The furnace cover is
equipped with a locking device.
2, It is equipped with an observation window (OBW), thermocouple
automatic access structure, infrared thermometer and water-cooled
electrodes (three phase). Thermocouple’s automatic access adopts
electric mode, which has the function to automatically switch high
and low temperature. In order to prevent abnormal furnace
temperature from causing accident, it is also equipped with
over-temperature protection thermocouples.
3, The heating elements are made of graphite tube (or molybdenum
wire, induction) , which is divided into two kinds: single phase
and three phase heating. The heating element is designed reasonably
to improve the temperature’s uniformity.
4, The insulating layer is made of graphite (or graphite paper) and
carbon felt, and has good insulation function. With the unique
designed structure, it would reduce the vacuumizing time. The
molybdenum wire hot pressed furnace’s insulating layer is the metal
reflective screen.
5, The vacuum system is made of secondary vacuum pump, with one oil
diffusion pump and a mechanical vacuum pump to achieve the high and
low vacuum degree. The vacuum valve is made of high vacuum flapper
valve which is designed and produced by our company. With the
digital displayed vacuum gauge and PLC, it can achieve automatic
switching and control of the high and low temperature.
6, The major loop of electric control system adopts low-voltage
high current input method, and the electric control cabinet’s
design refers to the Siemens standard control cabinet, with human
design, graphic simulation screen and push button on the control
panel, which is operated directly and conveniently. The temperature
and pressure control machine is imported brand process control
instrument. In the cabinet, it is equipped with PLC, which could
automatically sinter according to the presetting default
procedures. The control system has protection functions of sound
and light alarm when such abnormal phenomena occurred as water
break, over temperature, over-current, automatic switch failure of
thermocouples and so on.
Company information: