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Description
Vertical bottom loading gas quenching furnace is used for vertical gas quenching of materials of tool steel, die steel, high speed steel, super high strength steel, etc. It is specially applied for vacuum gas quenching of large size easy deforming products like long rod type parts, axle parts, plate type parts, etc. The components feature little deformation and good effect.
Technical Features
1. The vacuum gas quench furnace is vertical, single chamber, bottom loading structure. It is an optional to choose the moving-out bottom door device according to customer’s requirement.
2. Excellent temperature uniformity realized by octagon-shaped furnace hearth.
3. The bottom door device structure adopts ballscrew, which move along a straight line and never get stuck.
4. The elevation device frame is equipped with auto-balance correction device to eliminate the accumulated error. The elevation is stable and without vibration.
5. For different cooling speed requirements, it can use single heat exchanger furnace hearth or dual, multi-stage heat exchanger furnace hearth.
6. Variable direction cooling technology, cooling it can do both vertical injection cooling and 360° all around.
Optional Configuration of Vertical Bottom Loading Gas Quenching Furnace
1. Bottom loading: the bottom door can move and be fixed horizontally
2. Vertical movement: screw moving/nut moving
3. Gas quenching type: 360° nozzle gas inject cooling/external heat exchanger cooling
4. Furnace hearth: Graphite heating elements and graphite felt heat insulation/Moly heating element and metal heat insulation
5. Vacuum pump and gauge: Foreign brand/high-quality Chinese brand
6. Vacuum degree: High vacuum/medium/vacuum
7. PLC: OMRON/Siemens/Mitsubishi
8. Temperature controller: SHIMADEN/EUROTHERM/Honeywell
9. Thermocouple: S type, K type, N type
10. Recorder: Paperless recorder/paper recorder
11. HMI: Simulation screen/Touch screen
12. Electric components: High-quality domestic brand/Schneider/Siemens
Specifications of Vertical Bottom Loading Gas Quenching Furnace
| Spec\Model | VVGQ-0608S | VVGQ-0808S | VVGQ-1010S | VVGQ-1212S | VVGQ-1215S | VVGQ-1515S | VVGQ-1520S |
| Effective hot zone size Φ D×H(mm) | Φ600 × 800 | Φ800 × 800 | Φ1000 × 1000 | Φ1200 × 1200 | Φ1200 × 1500 | Φ1500 × 1500 | Φ1500 × 2000 |
| Load Capacity (kg) | 650 | 850 | 1000 | 1150 | 1300 | 1450 | 1800 |
| Heating Power (kW) | 120 | 180 | 270 | 330 | 390 | 420 | 540 |
| Max.Temperature(°C) | 1150 | 1150 | 1150 | 1150 | 1150 | 1150 | 1150 |
| 1350 | 1350 | 1350 | 1350 | 1350 | 1350 | 1350 | |
| Temperature Uniformity (°C) | ±5 | ±5 | ±5 | ±5 | ±5 | ±5 | ±5 |
| Vacuum degree of vacuum gas quench furnace (Pa) | 4 × 10-1 | 4 × 10-1 | 4 × 10-1 | 4 × 10-1 | 4 × 10-1 | 4 × 10-1 | 4 × 10-1 |
| 4 × 10-3/6 × 10-4 | 4 × 10-3/6 × 10-4 | 4 × 10-3/6 × 10-4 | 4 × 10-3/6 × 10-4 | 4 × 10-3/6 × 10-4 | 4 × 10-3/6 × 10-4 | 4 × 10-3/6 × 10-4 | |
| Vacuum degree (Pa) | ≤0.26 | ≤0.26 | ≤0.26 | ≤0.26 | ≤0.26 | ≤0.26 | ≤0.26 |
| ≤0.65 | ≤0.65 | ≤0.65 | ≤0.65 | ≤0.65 | ≤0.65 | ≤0.65 | |
| Gas quenching pressure (bar) | 6/10/15/20 | 6/10/15/20 | 6/10/15/20 | 6/10/15/20 | 6/10/15/20 | 6/10/15/20 | 6/10/15/20 |
| Cooling gas (99.995%) | N2/Ar/He | N2/Ar/He | N2/Ar/He | N2/Ar/He | N2/Ar/He | N2/Ar/He | N2/Ar/He |
Product quality protection 
