Vacuum pressure sintering furnace 

●The application field of vacuum pressure sintering furnace:

 The purpose of the vacuum pressure sintering furnace is manufacturing of cemented carbide tools by the removal of adhesive from pressed forms, solid-phase sintering in vacuum and protective atmosphere (argon, hydrogen) and sintering in the presence of liquid phase with application of pressure.

●Main configuration of vacuum pressure sintering furnace:

1.Furnace door: automatic lock tight

2.Furnace shell: carbon steel

3.Furnace boiler: hard composite felt

4.Heater material: Static pressure graphite

5.Furnace body: horizontal type

6.Gas circuit control: automatic value

7.Vacuum pumps and vacuum gauges: import Leybold Germany

8.Skip: rolling forklift

9.Operation panel: Siemens IPC

10.PLC: Siemens

11.Temperature measuring type: thermocouple measuring in the range of the indoor temperature to 1650℃

12.Recorder: paperless recorder

13.Electrical element: ABB

14. Heating type: resistance heating

15. Water cooling system: not confirmed need or not

●Technical feature of vacuum sintering furnace:

1.Adopting special furnace inner liner structure and heater arrangement, it has good uniformity of the furnace temperature.

2.Adopting special structure for the degreasing chamber, efficiency sealing, completely degreasing and no pollution to the inner element. 

3.Vacuum sintering furnace has flexible vacuum pumping, vacuum sintering, micro positive pressure sintering, partial pressure sintering, micro positive degreasing, and other functions;

4.Adopting the most advanced heat insulation structure and materials, good heat insulation performance of furnace liner, less heat, more than traditional design energy saving 25%.

5.Adopting touch screen operation, PLC centralized control, simple operation, high reliability.

6.Vacuum sintering furnace has the alarm function of ultra-temperature and ultra-voltage, mechanical and automatic for pressure protection action, interlocking functions, high safety equipment.

7.Vacuum sintering furnace has remote operation, remote fault diagnosis and remote software upgrades and other function.

 

●Technology parameters

Parameter/model	NT-ZKSJ-330-1	NT-ZKSJ-330-2
Working size W×H×L(mm)	300×400×1200	300*300*1200
Max.loading weight(kg)	500	500
Max. temperature(℃)	1600	1600
Max. working temperature(℃)	1550	1550
Temperature control type	3 zones control	3 zones control
Temperature uniformity(℃)	≤±5℃	≤±5℃
Hc deviation	≤ ± 0.3 kA/m.	≤ ± 0.3 kA/m.
Com deviation	≤ ± 0.2%	≤ ± 0.2%
Heating power(kW)	330	330
Ultimate vacuum(Pa)	≤2pa	≤2pa
Max. design pressure	6.0Mpa	6.0Mpa
Max. working pressure	5.80Mpa	5.80Mpa
Leak rate(Pa/h)	1pa/h(24h average)	1pa/h(24h average)