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| Indirectly gas-heated bogie hearth furnace, with electrical bogie drive, vertical air circulation used for artificial ageing of aluminum pistons with charge weights of approx. 2 tons | W 21875/26AS bogie hearth furnace for coil preheating, available for charge weights up to 50 tons |
Enclosed heating coils for models with electric heating
Gas burner firing into a radiant tube for models with gas heating
Motor-driven valve actuators
Cooling fan for shorter process times
W(B) 5800/26AS - W 18790/45AS
For processes such as normalizing, ageing, curing, or preheating that include a heat treatment of heavy charges, we recommend our low-temperature bogie hearth furnaces. These furnaces are available for maximum working temperatures of 260 °C or 450 °C. They can be heated either electrically or with gas.
- Maximum temperatures of 260 °C or 450 °C
- Bogie on rails for weights up to 50 tons
- Swing door hinged on the right
- Heated electrically (W) or with gas (WB)
- Electrical heating of the furnace by means of heater coils
- Direct gas heating or upon request with indirect gas heating with radiation tube, e.g. for heat treatment of aluminum
- Optimum temperature uniformity (according to DIN 17052-1) up to ΔT 6 K
- Powerful fan with vertical air circulation
- Optimal air circulation with help of adjustable air outlets tailored to charge requirement
- Air inlet and exhaust air vent, manually adjustable
- High circulation rate for fast and steady heat transfer
- Furnace chamber lined with alloy 314 (AISI)/(DIN material no. 1.4841) stainless steel on 450 °C models
- Over-temperature limit controller with adjustable cutout temperature for thermal protection class in accordance with EN 60518-2 as temperature limiter to protect the oven and load
Additional Equipment
- Electro-hydraulic vertical lift-door
- Horizontal air circulation for optimal temperature control throughout the useful height
- Electrical bogie drive
- Second door in combination with second bogie for optimal charging and faster process turnaround
- Automatic bogie movement systems
- Cooling fan for shorter process times
- Automatic control of exhaust air vents for optimal cooling of the furnace chamber
- Recuperator systems for exhaust heat recovery available on gas-heated models
- Optimum temperature uniformity (according to DIN 17052-1) up to ΔT 6 K on models with multiple zones of control
- Support structure made from heat-resisting cast alloy steel for high charge weights
- Heat resistant boxes for protective gas or carburizing processes
- Process and charge documentation via Controltherm software or PLC-based control system
- Custom dimensions up to 30,000 liters
- Fixed furnace hearth and movable furnace (envelope concept) for precise loading of heavy charges up to 100 tons
| Model | Tmax | Inner dimensions in mm | Volume | Outer dimensions in mm | Circulation | Heating | Electrical | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | w | d | h | in l | W | D | H | rate m³/h | power/kW | connections* | |
| W(B) 5800/26AS | 260 | 1100 | 2400 | 2200 | 5800 | 1980 | 3500 | 3400 | 12600 | 180 | 3-phase |
| W(B) 17280/26AS | 260 | 2400 | 4000 | 1800 | 17280 | 3900 | 4400 | 3000 | 36000 | 240 | 3-phase |
| W(B) 21875/26AS | 260 | 2500 | 3500 | 2500 | 21875 | 3400 | 4300 | 3400 | 36000 | 266 | 3-phase |
| W(B) 28800/26AS | 260 | 2400 | 8000 | 1500 | 28800 | 3600 | 8400 | 2700 | 48000 | 360 | 3-phase |
| W(B) 2380/45AS | 450 | 1100 | 1600 | 1350 | 2380 | 1600 | 2650 | 1850 | 6400 | 70 | 3-phase |
| W(B) 18790/45AS | 450 | 1790 | 6000 | 1750 | 18790 | 3300 | 7200 | 2950 | 36000 | 300 | 3-phase |
| *Please see page 38 for more information about supply voltage | |||||||||||