Carburizing Carbonitriding Nitriding Furnace
Pit type furnace used for carbonitriding nitriding and carburizing
Brief
Pit type furnace used for carbonitriding nitriding and carburizing is new type and energy-saving batch type furnace,working temperature is 950℃,using the following heat treatment, carburizing, nitriding and carbonitriding, the workpiece is vertically loaded in furnace tank for heating, not easy to deform. Pit type furnace is usually placed under the ground plane in the workshop, also is placed above the ground plane, or ground level fluctuation in each half.
Application field
Mainly used for rod and long axis steel mechanical parts.
Structure
This furnace is mainly composed of furnace shell, furnace lining, heating device, muffle tank, loading frame, the furnace cover, and furnace cover lifting mechanism., etc. Furnace body is cylindrical deep well.
Advantages
1.The workpiece is vertically loaded in furnace tank for heating, not easy to deform;
2.Good sealing performance, easy operation and maintain, long working service life.
3.Using advanced protective atmosphere control system, including carbon control instrument and oxygen probe, ensure that the workpiece carbonitriding layer uniform and high precision.
Main technical parameters
| Model | RQ3-25-9 | RQ3-35-9 | RQ3-60-9 | RQ3-60-12 | RQ3-75-9 | RQ3-90-9 | |
| Rated power(KW) | 25 | 35 | 60 | 60 | 75 | 90 | |
| Rated voltage(V) | 380 | 380 | 380 | 380 | 380 | 380 | |
| Max temperature(℃) | 950 | 950 | 950 | 950 | 950 | 950 | |
| Working temperature(℃) | 0-940 | 0-940 | 0-940 | 0-940 | 0-940 | 0-940 | |
| Phase | 3 | 3 | 3 | 3 | 3 | 3 | |
| Charging size | Diameter | Φ300 | Φ300 | Φ450 | Φ450 | Φ450 | Φ600 |
| (mm) | Depth | 450 | 600 | 600 | 600 | 900 | 900 |
| Muffle tank size | Diameter | Φ450 | Φ450 | Φ630 | Φ630 | Φ630 | Φ780 |
| (mm) | Depth | 938 | 1125 | 1144 | 1144 | 1450 | 1490 |
| Furnace hearth size(mm) | Diameter | Φ590 | Φ590 | Φ770 | Φ770 | Φ770 | Φ920 |
| Depth | 958 | 1150 | 1164 | 1480 | 1480 | 1520 | |
| Heating zone qty | 1 | 1 | 2 | 2 | 2 | 2 | |
| Heating elements connection | Y | Y | YY | YY | YY | YY | |
| No-load heating up time(h) | ≤2.5 | ≤ 2.5 | ≤ 3 | ≤3 | ≤3 | ≤3 | |
| No-load power losses(KW) | ≤7 | ≤8 | ≤11 | ≤16 | ≤14 | ≤16 | |
| Temperature control precision(℃) | ±1 | ±1 | ±1 | ±1 | ±1 | ±1 | |
| Max loading capacity(kg) | 50 | 100 | 150 | 150 | 220 | 400 | |
| Weight(kg) | 1700 | 1850 | 2650 | 2950 | 3200 | 3700 | |
Note: various size carburizing furnace can be also designed and manufactured as user's needs.
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