Customizable Gas Pressure Sintering Furnace For Hard Metals Cermets PM Materials
Gas Pressure Sintering Furnace For Hard Metals/Cermets/PM Materials With Customizable Sintering Space
The horizontal design makes it easy to load & unload, as well as easy maintenance. The entire process is of automatic control with safety interlock. Full load continuous operation is realized with its maximum ability of 300 furnace times/year or 300 working days/year. Adopting graphite element resistance heating (low voltage, high current) with multiple heating units, each unit of temperature is individually controlled ; The whole process is controlled by computer automation, monitoring, tracking, fault self-diagnosis simulation display and record. The process is controlled by PLC and industrial control machine (IPC) to realize the one-key start-up of the whole process, real-time dynamic monitoring, temperature, pressure, vacuum and other parameters saving and reliable alarm interlock..
Process Step
1. Vacuum Dewaxing
2. H2-Dewaxing
3. Heating Vacuum (with/without pressure control)
4. Heating Partial Pressure Ar
5. TORVAC
6. Heating High Pressure Gas
7. Cooling High Pressure Gas
After sinterinng in RDE'S furnace, density, strength, durability and hardness of hard metals would improve a lot, meeting highest demands.
| Sintering space | 80-450L |
| Working temperature | 1600℃(maximum working temperature) |
| 1550℃(actual working temperature ) | |
|
Pumping speed |
The vacuum degree can reach 5Pa within 30min after the pump is started, and the limit vacuum value can reach 1Pa after pumping for 30min after reaching 5Pa (After drying the furnace, under the empty furnace, clean and cold state.) |
|
Leakage rate |
≤3Pa/h (Measuring the limit vacuum after drying the furnace, stop the operation of the pump group and start the test. Average within 3 hours in empty furnace, clean and cold state) |
|
Cooling speed
|
Empty furnace. The cooling time of cooling temperature from 800℃ down to 100℃ just cost less or equal 3 hours.(water temperature≤28℃, 2bar≤water pressure≤3bar) |
|
Cooling speed |
The inner furnace is equipped with rapid cooling fan and cooling water realize rapid cooling. |
| Heating rod material | Graphite |
| Temperature control mode | Three zone temperature control independently |
| Heating up speed |
Empty furnace heating up≤5℃
|
|
Heating power
|
It is about 120-480KVA |
|
UPS guarantee time
|
It can power the indicator lights and control the furnace when the power goes out,the time is more than or equal 80 minutes. |
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